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HomeMy WebLinkAbout6.3 Casamira/Moller Attch 29Lead Agency: INITIAL STUDY/ MITIGATED NEGATIVE DECLARATION FOR THE VARGAS PROJECT MARCH 2007 City of Dublin 100 Civic Plaza Dublin, CA 94568 Table of Contents EarlierAnalysis ........................................................................... ..............................2 Eastern Dublin Planning Area ............................................................ ..............................3 Project Location and Site Information ................................................. ..............................3 ProjectDescription ........................................................................ ..............................5 ProjectApplications ....................................................................... ..............................7 Exhibit 1: Eastern Dublin Specific Plan Area Map ................................... ..............................9 Exhibit2: Regional Map ................................................................. .............................10 Exhibit3: Vicinity Map ................................................................. ..............................1 I Exhibit 4: Aerial Photo ................................................................... .............................12 Exhibit5: Topography Map ............................................................. .............................13 Exhibit6: Site Section ................................................................... .............................14 Exhibit 7: Existing and Proposed Land Use Designations Map ................... .............................15 Exhibit 8: Stage 1 Development Plan .................................................. .............................16 Exhibit 9: Preliminary Site Plan ........................................................ .............................17 Exhibit 10: Photo Location Map ....................................................... .............................18 Exhibit 11: Site Photos .................................................................. .............................19 Exhibit 12: Jurisdictional Delineation Map ................................................................ .............................22 EnvironmentalChecklist ................................................................ .............................23 Discussionof Checklist .................................................................. .............................39 Aesthetics......................................................................... .............................39 Agricultural Resources .......................................................... .............................42 AirQuality ....................................................................... .............................43 BiologicalResources ............................................................ .............................46 Cultural Resources .............................................................. .............................56 Geologyand Soils ............................................................... .............................57 Hazards and Hazardous Materials ............................................. .............................60 Hydrology and Water Quality ................................................. .............................61 LandUse and Planning ......................................................... .............................65 MineralResources .............................................................. .............................65 Noise.............................................................................. .............................66 Population and Housing ......................................................... .............................67 PublicServices ................................................................... .............................68 Recreation...................................................................... ............................... 70 Transportation / Traffic ........................................................... .............................71 Utilities and Service System ................................................... .............................85 Mandatory Findings of Significance .......................................... .............................87 Appendices............................................................................... .............................88 A: Biological Resources Analysis B: Tree Report C: Preliminary Geologic and Geotechnical Report D: Hydrologic Analysis E: Moller Ranch/Casamira Valley Traffic Study F: Excerpt from the Dublin Ranch West Supplemental Environmental Impact Report Mitigated Negative Declaration Vargas Property PA 06 -030 Earlier Analysis On May 10, 1993, the Dublin City Council adopted Resolution No. 51 -93, certifying an Environmental Impact Report (EIR) for the Eastern Dublin General Plan Amendment and Eastern Dublin Specific Plan (Eastern Dublin EIR, SCH #91103064). The certified EIR consisted of a Draft EIR and Responses to Comments bound volumes, as well as an Addendum dated May 4, 1993, assessing a reduced development alternative. The City Council adopted Resolution No. 53 -93 approving a General Plan Amendment and a Specific Plan for the reduced area alternative on May 10, 1993. On August 22, 1994, the City Council adopted a second Addendum updating wastewater disposal plans for Eastern Dublin. For identified impacts that could not be mitigated to a less than significant level, the City Council adopted a Statement of Overriding Considerations for cumulative traffic, extension of certain community facilities (natural gas, electric and telephone service), regional air quality, noise and other impacts. The Eastern Dublin Specific Plan was adopted by the City to encourage orderly growth of the Eastern Dublin area. Because the Eastern Dublin project proposed urbanization of the almost completely undeveloped Eastern Dublin area, the Eastern Dublin EIR also analyzed conversion of agricultural and open space lands to urban uses. These impacts together with visual impacts from urbanization were also determined to be significant and unavoidable. Where the Eastern Dublin EIR identified impacts that could be mitigated, the previously adopted mitigation measures that are applicable to this Project and Project site continue to apply to the proposed Vargas project. The Eastern Dublin EIR, Resolutions 51- 93 and 53 -93, and the 1994 Addendum are incorporated herein by reference and are available for review in the Planning Division at the Dublin City Hall, 100 Civic Plaza, Dublin, California during normal business hours. The Eastern Dublin EIR was a Program EIR and evaluated the potential environmental effects of urbanizing Eastern Dublin over a 20 to 30 year period. As such, the Eastern Dublin EIR addressed the cumulative effects of developing in agricultural and open space areas and the basic policy considerations accompanying the change in character from undeveloped to developed lands. Since certification of the EIR, many implementing projects along Tassajara Road such as Dublin Ranch West, Mission Peak, and Pinn Brothers /Silvera Ranch, as well as projects elsewhere in Eastern Dublin such as Dublin Ranch and Fallon Village have been approved, relying to various degrees on the Program EIR. Consistent with CEQA Guidelines § 15168(c), (d), and §§ 15162, 15163, this initial study examines whether additional environmental review is required for the Vargas Project. Later discussion sections of the initial study checklist will identify where cumulative and/or programmatic analyses occurred in the Eastern Dublin EIR, and will identify Eastern Dublin EIR mitigation measures that apply to the Project. Pursuant to CEQA's tiering principles, the initial study will also identify site or project specific impacts that were not addressed in the Program EIR, if any. While tiering is generally limited to implementing projects that are consistent with the general plan, the general plan and specific plan amendments for the Project are proposed for residential uses, as under the current plans, but at a reduced density. Therefore, Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 2 the previously identified impacts related to project density are expected to be within the scope of the Program EIR, as further analyzed below. Consistent with CEQA Guidelines § 15168(c), (d), and §§ 15162, 15163, this initial study examines whether additional environmental review is required for the Vargas Project. Later discussion sections of the initial study checklist will identify where cumulative and/or programmatic analyses occurred in the Eastern Dublin EIR, and will identify Eastern Dublin EIR mitigation measures that apply to the Project. Pursuant to CEQA's tiering principles, the initial study will also identify site or project specific impacts that were not addressed in the Program EIR, if any. While tiering is generally limited to implementing projects that are consistent with the general plan, the general plan and specific plan amendments for the Project are proposed for residential uses, as under the current plans, but at a reduced density. Therefore, the previously identified impacts related to project density are expected to be within the scope of the Program EIR, as further analyzed below. A portion of the cumulative traffic analysis tiers from the certified Dublin Ranch West/Wallis Ranch Supplemental EIR as further discussed in Section XV, Transportation/Traffic. Eastern Dublin Planning Area The City Council approved the Eastern Dublin General Plan Amendment in 1993 for an approximately 4,200 acre area. Most of the area designated on the General Plan for development was also located in the approximately 3,300 acre Specific Plan area. Other areas designated in the General Plan for future development have since been added to the Specific Plan, such as portions of Fallon Village. The Eastern Dublin Specific Plan was adopted by the City Council in 1993 and has been amended several times since then to include new properties and development consistent with the General Plan. The original Eastern Dublin Specific Plan envisioned a balanced community comprised of mixed residential types and commercial uses. The Dublin General Plan and Eastern Dublin Specific Plan are incorporated herein by reference and are available for review in the Planning Division at the Dublin City Hall, 100 Civic Plaza, Dublin, CA during normal business hours. The Eastern Dublin planning area is located east of Dougherty Road and is between the Alameda/Contra Costa County border and I -580 (see Exhibit 1). The planning area is characterized by relatively flat topography along I -580 with gently rolling foothills as the land moves away from 1 -580 to the north near the border of Alameda and Contra Costa County. At the time the Eastern Dublin Specific Plan was developed, Eastern Dublin was comprised of farmland, grazing and rural residential sites. Exhibit 1 shows the limits of the planning area. Project Location and Site Information The Project site is located at 7020 Tassajara Road in the Eastern Dublin Specific Plan area, outside of the City Limits, but within the City Sphere of Influence (Exhibits 2 and 3). The site is located in unincorporated Alameda County (outside City Limits). The County zoning for this property is A (Agriculture). The property has a Dublin General Plan/Specific Plan land use designation of Medium - Density Residential and Medium/High- Density Residential. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 3 The project is in an area that is currently transitioning from rural residential home sites and grazing uses to residential developments (Exhibit 4), in accordance with the Dublin General Plan and Eastern Dublin Specific Plan. The Project site is 5.0 gross acres in size (4.38 total acres) and is located adjacent to Tassajara Road (to the east) and Tassajara Creek (to the west), north of Fallon Road. The creek bed and bank are located off of the property; however, this area is located in close proximity to the western property line of the Project site (see Exhibits 10 and 11). The Vargas property consists of sparse shrubbery, few trees and non - native grassland. The Tassajara Creek is located adjacent to the western property line and the top of the creek bank is visible from a portion of Tassajara Road. The Eastern Dublin Comprehensive Stream Restoration Program requires all development to be set back a minimum of 100 feet from the top of the creek bank and a portion of the property is within this required setback (Exhibit 9). The Stream Comprehensive Stream Restoration Program is incorporated herein by reference and is available for review in City Hall in the Planning Division during normal business hours. The Eastern Dublin Specific Plan was adopted by the City of Dublin in 1993 and has been modified several times since then to include additional properties. The Vargas property has been within the plan since its inception, and has been designated for residential use and medium and medium/high densities. Surrounding properties include the Tipper property to the north which has a general plan land use designation of Medium - Density Residential and currently has one dwelling unit and a few accessory structures on it. The Fredrich property is located to the south of the project site and is designated as Medium/High- Density Residential and Neighborhood Commercial in the general plan. The Fredrich property is currently developed with one dwelling unit and a few accessory structures and was recently annexed to the City as part of the Mission Peak annexation. The Moller Ranch/Casamira Valley project is located to the east of the property across Tassajara Road and is currently under review for attached and detached dwelling units. Dublin Ranch West/Wallis Ranch is located to the west of the project site and was recently annexed to the City. The City has also approved the Dublin Ranch West project for a 1,094 dwelling unit residential development. Existing access to the residence is taken from a shared driveway (with the Fredrich property) off of Tassajara Road. In addition to the house, an existing pool and several accessory structures are located in this area. Secondary access may also be taken from a second driveway off of Tassajara Road to a cluster of accessory structures (Exhibit 4) which includes a horse barn and a lean-to. The existing site was part of Rancho San Ramon and was used for grazing up into the mid - twentieth century. The property was sold off in the mid - twentieth century and a dwelling unit was constructed in the 1960's. That dwelling unit remains and today the property has a one -story house and several accessory structures. Since 1984, a non - conforming contractor yard has operated at this property in the several accessory structures located off of the second entrance to the property and adjacent to the western property line. The contractors yard is a non - conforming use in the Alameda County Agriculture Zoning District. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 4 Project Description The Applicant, Sun Valley Land Development Company, is proposing to develop the Vargas property with 33 detached units on a 5 gross acre site. As discussed above, the existing site is currently being used for one residential dwelling with related accessory structures including a small horse barn. The proposed number of units is lower than what the existing land use designation allows to be constructed on the site and a General Plan and Specific Plan Amendment will be required. The proposed Project also includes a small pedestrian trail near the creek, native landscaping in the areas adjacent to the creek as well as landscaping throughout the development and on Tassajara Road. The project also includes new dwelling units, grading, streets, driveways and fencing. The existing structures located on the site will be removed in order to accommodate the new residential development. The proposed Project also includes a PD- Planned Development District prezoning and related Stage 1 Development Plan and an annexation to the City, Pre - Annexation Agreement and annexation into the Dublin San Ramon Services District. Among other things, the Stage 1 Development Plan establishes the site area, conceptual site plan, proposed density and the maximum number of dwelling units for future development on the site. The Stage 1 Development Plan is used to prezone the property only. Once the Applicant is ready to propose the actual development, the Applicant will then apply for a Stage 2 Development Plan and Rezone, tentative map and a Site Development Review. The project will then be reviewed in greater detail during the Stage 2 rezoning, tentative map and Site Development Review because project -level plans will be submitted at that time. Grading will be required on the site to provide suitable building pads, interior roads and utilities. The site will be recontoured and a portion of the site will be filled in to raise the existing grade (Exhibit 5 and 6). The existing knoll located on the property (where the existing house sits) will also be removed. Specific Plan /General Plan Amendment The project includes a request to change the General Plan and Specific Plan Land Use Designations on the site. The Project site currently has two land use designations: Medium- Density Residential (approximately 1.4 gross acres) which permits a density of 6.1 — 14.0 dwelling units per acre, and Medium/High- Density Residential (approximately 3.6 gross acres) which permits a density of 14.1 — 25.0 dwelling units per acre. Based on the existing land use designations, a minimum of 59 units would be required to be constructed and a maximum of 110 units could be constructed on the site (Exhibit 7). The Eastern Dublin E1R included the Vargas property and studied development on the site with 55 units (the midpoint of the maximum number of permitted units). Although the site is approximately 5 gross acres (4.38 total acres), the developer believes that only 2.5 acres are developable on the site due to the ultimate Tassajara Road street right -of -way and the required 100 foot setback to the top of the Tassajara Creek bank (which is located outside of the property on the west side). Additionally, the developer would like to construct detached units on the site which further reduces the number of units which can be constructed on the site. The following chart shows the existing density, the proposed density, and the total number of units that would be permitted: Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 5 Table 1: Existing and Proposed Land Uses As shown in the above table, the existing land use designations require that a minimum of 59 dwelling units and a maximum of 110 dwelling units be constructed on the five acre parcel. The proposed land use designation change to Medium - Density Residential would reduce the overall density on the site and lower the permitted number of dwelling units by 40, resulting in a maximum of 70 units. The Applicant has indicated that a maximum of 33 units would be constructed on the site in the Stage 1 Development Plan (Exhibits 8 and 9). Residential density in the vicinity of this development varies. The Tipper property located to the north of the Vargas property has a land use designation of medium density residential (6.1 -14.0 dwelling units /acre). Wallis Ranch located adjacent to the Vargas and Tipper properties and has land use designations of single family (0.9 -6.0 dwelling units /acre), medium density (6.1 -14.0 dwelling units /acre) and medium high density (14.1 -25.0 dwelling units /acre). The Mission Peak development located to the southeast of the property has a density of single family and rural residential (1 dwelling unit/100 acres). The Silvera Ranch development is located southeast of the project site and has densities of medium density, medium high density and rural residential and is currently under construction. The Casamira Valley Project, currently under review, has proposed a change to the existing land use designations on the site to allow Medium Density Residential and Rural Residential to permit the construction of 298 units on 226 acres of land. Stage I Development Plan The Stage 1 Development Plan submitted for this project indicates that there will be a maximum of 33 detached dwelling units on the Project site. This number falls between the minimum number and maximum number of dwelling units permitted once the land use designation is changed to Medium - Density Residential. The proposed number of dwelling units is much lower than the maximum, 70, permitted and the density would be 6.6 dwelling units /acre as proposed. Lot sizes will vary on the site depending on the location of the lot and size of the house. The smallest lot will be 21 feet wide x 67 feet in length and the largest lot will be 27 feet wide x 67 feet in length. A new roadway will loop around the units. Lots will face the creek, internal roadway or an auto court. No lots will face Tassajara Road and no lots will have direct access from Tassajara Road. Two entrances will provide access into the site. The main entrance will be a four -way traffic signal and the entrance will line up with the Moller Ranch/Casamira Valley entrance to the east of the Project site. Initial Study /Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 6 Existing Land Use Designations Proposed Land Use Designation Medium - Density 1.4 8.5 -19.6 5.0 30.5 -70 Residential (6.1 -14.0 du/acres) Medium/High Density 3.6 50 -90 Residential (14.0 -25.0 du/acres) Total Permitted 5.0 Gross Acres 59 -110 units 5.0 Gross Acres 31 -70 units Total Proposed 33 units As shown in the above table, the existing land use designations require that a minimum of 59 dwelling units and a maximum of 110 dwelling units be constructed on the five acre parcel. The proposed land use designation change to Medium - Density Residential would reduce the overall density on the site and lower the permitted number of dwelling units by 40, resulting in a maximum of 70 units. The Applicant has indicated that a maximum of 33 units would be constructed on the site in the Stage 1 Development Plan (Exhibits 8 and 9). Residential density in the vicinity of this development varies. The Tipper property located to the north of the Vargas property has a land use designation of medium density residential (6.1 -14.0 dwelling units /acre). Wallis Ranch located adjacent to the Vargas and Tipper properties and has land use designations of single family (0.9 -6.0 dwelling units /acre), medium density (6.1 -14.0 dwelling units /acre) and medium high density (14.1 -25.0 dwelling units /acre). The Mission Peak development located to the southeast of the property has a density of single family and rural residential (1 dwelling unit/100 acres). The Silvera Ranch development is located southeast of the project site and has densities of medium density, medium high density and rural residential and is currently under construction. The Casamira Valley Project, currently under review, has proposed a change to the existing land use designations on the site to allow Medium Density Residential and Rural Residential to permit the construction of 298 units on 226 acres of land. Stage I Development Plan The Stage 1 Development Plan submitted for this project indicates that there will be a maximum of 33 detached dwelling units on the Project site. This number falls between the minimum number and maximum number of dwelling units permitted once the land use designation is changed to Medium - Density Residential. The proposed number of dwelling units is much lower than the maximum, 70, permitted and the density would be 6.6 dwelling units /acre as proposed. Lot sizes will vary on the site depending on the location of the lot and size of the house. The smallest lot will be 21 feet wide x 67 feet in length and the largest lot will be 27 feet wide x 67 feet in length. A new roadway will loop around the units. Lots will face the creek, internal roadway or an auto court. No lots will face Tassajara Road and no lots will have direct access from Tassajara Road. Two entrances will provide access into the site. The main entrance will be a four -way traffic signal and the entrance will line up with the Moller Ranch/Casamira Valley entrance to the east of the Project site. Initial Study /Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 6 Secondary access may be taken on the north side of the project through a break in the existing median (this access point does not allow for a left turn onto Tassajara Road from the Project site). The proposed internal roadway will be set back a minimum of 100 feet from the creek bank. This setback is required by the City's adopted Eastern Dublin Comprehensive Stream Restoration Program. The residential properties will be set back an additional 30 feet from the stream bank (for a total of 130 feet). A pedestrian trail will be installed adjacent to the creek area which will connect to a pedestrian trail on the Fredrich property if the Fredrich property is developed in the future. A new water quality pond detention basin will be constructed adjacent to the new internal roadway on the eastern side of the property. Some of the surface water from the site will be directed to this detention basin. The remainder of the surface water runoff will be directed to the storm drain system via a connection on Tassajara Road. Water will be provided to the Project by the Dublin San Ramon Services District (DSRSD) by an extension of an existing Zone 3 water line which currently terminates in Fallon Road at the Silvera Ranch Drive intersection. This water line will be extended northerly to the Tassajara Road/Fallon Road intersection and will then by extended northerly along Tassajara Road to the Project site. Wastewater service will be provided to the project by DSRSD with the extension of an existing sanitary sewer line in Tassajara Road at Silvera Ranch Drive south of the site. The sanitary sewer line will be extended to the intersection of Fallon Road and Tassajara Road and will serve the Project site. Tassajara Road is designated as a scenic corridor by the Eastern Dublin Specific Plan. As such, the Project will be designed to protect the scenic qualities of the site. The Project will be constructed in a single phase. The preliminary Site Plan is shown in Exhibit 8. Project Applications Project applications considered in this Mitigated Negative Declaration include a reorganization to annex the Project area into the City of Dublin and the Dublin San Ramon Services District, General and Specific Plan Amendments and prezoning of the unincorporated project (Planned Development - Stage 1 Development Plan). Annexation The project site is currently within an unincorporated portion of Alameda County. In order for the project to come under the jurisdiction of the City of Dublin, and to receive urban services from the Dublin San Ramon Services District (DSRSD), annexation of the site to the City and to DSRSD must be approved by the Alameda County Local Agency Formation Commission (LAFCo), which is a State mandated local agency that oversees boundary changes to cities and special districts, the formation of new agencies including incorporation of new cities, and the consolidation of existing agencies. State law requires that a City prezone (Planned Development - Stage 1 Development Plan) an area proposed for annexation, and that prezoning must be consistent with the approved General Plan and Specific Plan uses for the property. The Wallis Ranch property located to the west of the Project site and the Fredrich property located to the south of this site were recently annexed into the City Limits. The Moller Ranch Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 7 property located to the east of the Project site and the Tipper property located to the north are anticipated to be annexed at the same time as the Vargas property. Stage I Development Plan The Planned Development - Stage 1 Development Plan is an Ordinance which requires a minimum of three Public Hearings. The Stage 1 Development Plan must include all information required by Chapter 8.32 of the Dublin Zoning Ordinance including, but not limited to, a site plan, proposed density, maximum number of residential units and a Master Landscape Plan. The purpose of the Stage 1 Development Plan is to prezone a property with development plan information in order to annex the property into the City of Dublin. The Planning Commission must hold at least one Public Hearing and the City Council must review the project during two Public Hearings. General Plan Amendment As proposed by the Applicant, a General Plan Amendment is required in order to change the General Plan Land Use Designations on the site from Medium- Density and Medium/High- Density Residential (Exhibit 7) to Medium - Density Residential to reduce the overall density of the site to allow the construction of the proposed 33 detached residential dwelling unit development as shown on the Stage 1 Development Plan (Exhibit 8). Specific Plan Amendment As proposed by the Applicant, a Specific Plan Amendment is required in order to change the Eastern Dublin Specific Plan Land Use Designations on the site from Medium - Density and Medium/High- Density Residential (Exhibit 7) to Medium - Density Residential to allow the construction of the proposed 33 detached residential dwelling unit development as shown on the Stage 1 Development Plan (Exhibit 8). Pre Annexation Agreement The goals and policies of the Eastern Dublin Specific Plan require land that is annexed and new development to be revenue neutral. Prior to a submittal of an annexation request to LAFCo, the City requires that an annexation agreement be entered into by the developer.. The annexation agreement will guarantee that the cost of providing services to the area will not exceed the revenue received from the area and will also assure that the financing goals and policies of the General Plan and Specific Plan are met. The Pre - Annexation Agreement is currently being drafted and will be presented to the Planning Commission during a future public hearing. The Planning Commission will then make a recommendation to the City Council on whether or not to adopt the Agreement. Next Steps Once the property is annexed into the City of Dublin, the Applicants would need to apply for a Stage 2 Planned Development Rezone, Site Development Review (SDR), Development Agreement (DA), Tentative Map (TM) and all construction permits prior to construction of the proposed residential development. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 8 Ik off 4rT ba IL Ain '�T Plo, It MF —.Mw r a . �r elJ J- V JU W-f : OP: 4M 9 t r. I . 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I ; - , -- ..- --.----" I � .1 I - - - I I I Ruggeri - ensen - Azar & Associates ) TOPOGRAPHY MAP - VARGAS PROPERTY Azar 4690 CHABOT DRIVE, SUITE 200 • PLEASANTON. CA 94588 DUBLIN, CALIFORNIA — PHONE: (925) 227-9100 • FAX: (925) 227-9300 Exhibit 5 DATE: SUTEMBER 22, 2006 JOB NO.: 061037 Sfo'• 420 ' - Y 3 TA�✓P�- .11�•RA �1 Z rl i'TiSSAJAiZ?. ROAD Site Section Vargas, Dublin, ca uggeri - EX�llblt 6 Jensen - Azar a. Associates 'J 20' 1 O.i-200. vF1S IfI51]ll 9li9� rx (037 Existing Land Use Designation Proposed General Plan and Specific Plan Amendment Exhibit 7 S RALLON R SING \.. ��� �_ `,, ,! \, `e \•� } r - �. {(!tom \.. �/ 'r�:,: ' `\\ � .__ ,... ,.._ ' t , „ s J - x+� to > . s �x t E (f i i j(� j�• j � \\ \ t 'Y/" `,_ \`,� i , = \i:i h \ i•"� r.. / ;�' %•, ,\ . � '\ 1+, J[t• / 1 _._..... .. _.__ 7 :l R1CH1✓Y HUNTER MOLLER --'•. • - _ �. _ W i r , .. _ ._ ..fir... ..., •' -' t � _ GRAPHIC SCALE ri r , \- so too tso — c m Parr) t iae6 a 50 tt - :: 'r �,,,;� ,,:r;� i.� - ��- + - „•.._ , __, ti\ 4 w �� "";. >� -ti`� ., , r " .,.. . 9 \TOIL ?'s K / ,/rte; ,/. ;, � ,. ....._ ... - ..._..- ,.. - ..,^,� \ \ \• \ ,�;,., �� ` � ./� j / i:' 'i/ ! 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S ti 's ~ g Land Use Summary 1 i i Ruggeri - ensen - � STAGE 1 SITE PLAN - VARGAS PROPERTY zaraAssociates 4690 CHABOT DRIVE, SUITE 200 PL£ASANTON, CA 94588 DUBLIN, CALIFORNIA PHONE: (925) 227 -9100 • FAX: (925) 227 -9300 Exhibit 8 DATE: DECEMBER 27, 2006 JOB NO.: 061037 Proposed Land Use Specific Plan Land Use Use Gross Acres Density (dulac) Units Gross Acres Density (du /ac) Units Medium High Density Residential - - - 3.6 14.1 -25 50-90 Medium Density Residential 5.0 7.2 33 1.4 6.1 -14.0 B -19 Total 5.0 7.2 33 5.0 - 58-109 Ruggeri - ensen - � STAGE 1 SITE PLAN - VARGAS PROPERTY zaraAssociates 4690 CHABOT DRIVE, SUITE 200 PL£ASANTON, CA 94588 DUBLIN, CALIFORNIA PHONE: (925) 227 -9100 • FAX: (925) 227 -9300 Exhibit 8 DATE: DECEMBER 27, 2006 JOB NO.: 061037 ,. _ _. -- - - - --- - J' ) �\ v , t .. _- ._.___. -- _. ___ - -- -_. _ \ :\:; \ \. \� -: ;`� i /yam _ t. .f j, - . - -- - - _ � , `J Y L v. , - - - .• - - _ --- . \ .\ mot. \ '� % - i _. \\ - -- _ - 1 _ .�. \� _� I. \ . \- �.. , \ ' \\ \ \_.�� - - \, \ \ \, _ \ , \.••\ .�\\ sue, Z\ , \, i�t - _ b _ �. \ 1 I G. 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I . , .1; / -. . / - _ -7" . ._ - -_ o - nt - ,' .. .fi-' . , 1 / - „ - _ . / : x , /- _ �, -- - _ - SITE SUMMARY # LOTS 33 SITE AREA 5.0 AC GROSS DENSITY 6.6 DU%AC _ PROPOSED PEDESTRIAN TRAIL - :. t --, _*1_A Z�Z- Z__. - _ � 7 _ 4 _- _� _� � _- - _ � _ 1 _ - ­ - _- _ _1_. . - _ - - . . I " ", . , . . ... . 1 _�- , , ". I .-- � - - -_ , - - _ , _- _.� .. - \ - - \' . -__ -- , — \ \ _ \ \` ___ ` ;. 7 \ ,_ - 1 _ . - _ . - -- - _ I . I . ti w?. RICHEY, HUNTER M.OLLER. F , / \ GRAPHIC SCALE 0 50 too 150 4o or r8a I tuch 50 ft 7. f o t / / / .. .-.. ,. .. ., �<, .x' ... .�. .. � •.b.. ..- .... .,.'.mac"....:,. _wu .' ��5� 'YC �).: i„ <£ \ .4 4 k ,A .a.... .' .�:::.... .,- ,, .. Ivy.. ��.. .. ........ -.. ... ...:.. .... `�ti •; �:i¢� °C.� } "JYi P ' t`A-jj'e'insen geri - - PHOTO LOCATION KEY - VARGAS PROPERTY zaraAAssociates 4690 CHABOT DRIVE, SUITE 200 PI.EASANTON. CA 94588 DUBLIN, CALIFORNIA PHONE: (925) 227 -9100 • FAX: (925) 227-9300 Exhibit 10 DATE: JULY 6, 2006 JOB NO.: 061037 . ?" � •: ,1 : �3M�f�N�i9l �3,';` i% i�a��:' s�at�s► ��it' rAi�r\ �1ot.#�i►+��IiiliitaY'il`�.:. Photo 1 — View looking west toward Tassajara Creek. Photo 2 — View looking southwest toward existing home and ancillary buildings. .. Exhibit V qk W4. KA !- Photo 3 — View looking southwest. Existing home and Fredrich Property in the background. jowl. AII6 I-WIN OP Photo 4 — View looking northwest toward Tassajara Creek. Photo 5 — View looking west along existing driveway. I F 11MV0\ GRAPHIC SCALE • 30 0 In r-w Survey Boundary REVISIONS 0 F � it �� � �\ � \\ �� \�\ � � \ \ ti1— " \ � non V1, AL W 1, V C/ IN 14, EXHIBIT 1: LEGEND JURISDICTIONAL WATERS JURISDICTIONAL WETLANDS (0397—) SURVEY BOUNDARY T-1 04b SAMPLE POINT OHW ORDINARY HIGH WATER LINE I F 11MV0\ GRAPHIC SCALE • 30 0 In r-w Survey Boundary REVISIONS 0 F � it �� � �\ � \\ �� \�\ � � \ \ ti1— " \ � non V1, AL W 1, V C/ IN 14, EXHIBIT 1: City of Dublin Environmental Checklist Form Initial Study This Initial Study has been prepared in accordance with the provisions of the California Environmental Quality Act (CEQA), the State CEQA Guidelines and the CEQA Guidelines adopted by the City of Dublin. The Initial Study assesses the potential environmental impacts of implementing the proposed project described below. The Initial Study consists of a completed environmental checklist, and a brief explanation of the environmental topics addressed in the checklist. 1. Project title: Vargas 2. Lead agency name and address: City of Dublin 100 Civic Plaza Dublin, CA 94588 3. Contact person and phone number: Erica Fraser, Senior Planner, City of Dublin Planning Division (925) 833 -6610 4. Project location: 5. Assessors Parcel Number(s): 7020 Tassajara Road, Dublin, CA 94568 986 - 0004 - 002 -01 6. Project sponsor's name and address: Fred Musser Sun Valley Land Company 4471 Stoneridge Drive Suite B Pleasanton CA 94588 7. General Plan Designation: 8. Zoning: 9. Specific Plan Designation: Medium Density Residential (as proposed) A (Agriculture) District (existing) PD (Planned Development) District (proposed) Medium Density Residential (as proposed) 10. Description of project: Proposed Specific Plan/General Plan Amendment for the Vargas property in the Eastern Dublin Specific Plan area, PD Prezoning and related Stage 1 Development Plan, Pre - Annexation Agreement and Annexation. 11. Surrounding land uses and setting: The project site is located within the Eastern Dublin Specific Plan area and outside City Limits. The property is located between Tassajara Road and the Tassajara Creek. Surrounding properties include the Tipper property to the north which has a general plan land use designation of Medium - Density Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 23 Residential and currently has one dwelling unit and a few accessory structures on it. The Fredrich property is located to the south of the project site and has a general plan land use designation of Medium/High- Density Residential and Neighborhood Commercial. The Fredrich property is currently developed with one dwelling unit and a few accessory structures and was recently annexed to the City as part of the Mission Peak annexation. The Moller Ranch/Casamira Valley project is located to the east of the property across Tassajara Road and is currently under review for attached and detached dwelling units. Dublin Ranch West/Wallis Ranch is located to the west of the project site and was recently annexed to the City. The City has also approved the Dublin Ranch West project for a 1,094 dwelling unit residential development. 12. Other public agencies whose approval is required: (e.g., permits, financing approval, or participation agreement.) Annexation (Alameda County LAFCO) Tentative and Final Subdivision Maps (City of Dublin) Stage 2 PD Rezone (City of Dublin) Site Development Review (City of Dublin) Grading and Building Permits (City of Dublin) Sewer and Water Connections (DSRSD) ENVIRONMENTAL FACTORS POTENTIALLY AFFECTED: The environmental factors checked below would be potentially affected by this project, involving at least one impact that is a "Potentially Significant Impact" as indicated by the checklist on the following pages. 1XI Aesthetics Biological Resources FlAgriculture Resources 1 Cultural Resources 1XI Hazards & Hazardous Materials 1 Hydrology / Water Quality 11 Mineral Resources 1XI Public Services Utilities / Service Systems I- XINoise F1 Recreation PXMandatory Findings of Significance 1XI Air Quality 1XI Geology /Soils FILand Use / Planning F]Population / Housing 1XI Transportation/Traffic Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 24 DETERMINATION: On the basis of this initial evaluation: I find that the proposed project COULD NOT have a significant effect on the environment, and a NEGATIVE DECLARATION will be prepared. X I find that although the proposed project could have a significant effect on the environment, there will not be a significant effect in this case because revisions in the project have been made by or agreed to by the project proponent. A MITIGATED NEGATIVE DECLARATION will be prepared. I find that the proposed project MAY have a significant effect on the environment, and an ENVIRONMENTAL IMPACT REPORT is required. I find that the proposed project MAY have a "potentially significant impact' or "potentially significant unless mitigated" impact on the environment, but at least one effect 1) has been adequately analyzed in an earlier document pursuant to applicable legal standards, and 2) has been addressed by mitigation measures based on the earlier analysis as described on attached sheets. An ENVIRONMENTAL IMPACT REPORT is required, but it must analyze only the effects that remain to be addressed. I find that although the proposed project could have a significant effect on the environment, because all potentially significant effects (a) have been analyzed adequately in an earlier EIR or NEGATIVE DECLARATION pursuant to applicable standards, and (b) have been avoided or mitigated pursuant to that earlier EIR or NEGATIVE DECLARATION, including revisions or mitigation measures that are impose upon the proposed project, nothing further is required. C, Signature Date Printed name Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 25 Evaluation of Environmental Impacts The source of determination is listed in parenthesis. See listing of sources used to determine each potential impact at the end of the checklist. A full discussion of each item is found following the checklist. The purpose of this initial study is to determine whether additional environmental review is required beyond that in the Eastern Dublin Environmental Impact Report. The checklist responses and related discussions identify the related analysis in the Eastern Dublin EIR, including impacts and adopted mitigation measures. The checklist responses and checklist discussions also disclose whether additional impacts and/or mitigations are required for the Project. I. AESTHETICS -- Would the project: a) Have a substantial adverse impact on a scenic vista? (Source 1,3,9) b) Substantially damage scenic resources, including, but not limited to, trees, rock outcroppings, and historic buildings within a state scenic highway? (Source: 1,3,9) c) Substantially degrade the existing visual character or quality of the site and its surroundings? (Source: 1,3,9) d) Create a new source of substantial light or glare which would adversely affect day or nighttime views in the area? (Source: 1,3,9) II. AGRICULTURE RESOURCES -- In determining whether impacts to agricultural resources are significant environmental effects, lead agencies may refer to the California Agricultural Land Evaluation and Site Assessment Model (1997) prepared by the California Dept. of Conservation as an optional model to use in assessing impacts on agriculture and farmland. Would the project: a) Convert Prime Farmland, Unique Farmland, or Farmland of Statewide Importance (Farmland), as shown on the maps prepared pursuant to the Farmland Mapping and Monitoring Program of the California Resources Agency, to non- agricultural use? (Source: 1,6,7) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 26 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X March 2007. b) Conflict with existing zoning for agricultural use, or a Williamson Act contract? (Source: 1,6,7) c) Involve other changes in the existing environment which, due to their location or nature, could result in conversion of Farmland, to non - agricultural use? (Source: 1,6,7) III. AIR QUALITY -- Where available, the significance Criteria established by the applicable air quality Management or air pollution control district may be Relied upon to make the following determinations. Would the project: a) Conflict with or obstruct implementation of the applicable air quality plan?(Source: 6, 19) b) Violate any air quality standard or contribute substantially to an existing or projected air quality violation? (Source: 6, 19) c) Result in a cumulatively considerable net increase of any criteria pollutant for which the project region is non- attainment under an applicable federal or state ambient air quality standard (including releasing emissions which exceed quantitative thresholds for ozone precursors)? (Source: 6, 19) d) Expose sensitive receptors to substantial pollutant concentrations ?(Source: 6, 19) e) Create objectionable odors affecting a substantial number of people ?(Source: 6, 19) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 27 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X March 2007 IV. BIOLOGICAL RESOURCES - -Would the project: a) Have a substantial adverse effect, either directly or through habitat modifications, on any species identified as a candidate, sensitive, or special status species in local or regional plans, policies, or regulations, or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? (Source: 1,6,7,10) b) Have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans, policies, regulations or by the California Department of Fish and Game or US Fish and Wildlife Service? (Source: 1,6,7,10) c) Have a substantial adverse effect on federally protected wetlands as defined by Section 404 of the Clean Water Act (including, but not limited to, marsh, vernal pool, coastal, etc.) through direct removal, filling, hydrological interruption, or other means? (Source: 1,6,7,10, 18) d) Interfere substantially with the movement of any native resident or migratory fish or wildlife species or with established native resident or migratory wildlife corridors, or impede the use of native wildlife nursery sites? (Source: 1,6,7,10, 15, 16, 17, 18) e) Conflict with any local policies or ordinances protecting biological resources, such as a tree preservation policy or ordinance? (Source: 1,4,6,7,11, 18) f) Conflict with the provisions of an adopted Habitat Conservation Plan, Natural Community Conservation Plan or other approved local, regional, or state habitat conservation plan? (Source: 1,4,6,7,11) V. CULTURAL RESOURCES — Would the project: a) Cause a substantial adverse change in the significance of a historical resource as defined in §15064.5? (Source: 6,12) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 28 Potentially Less Than Significant Significant Impact with Mitigation X M X X Less Than I No Significant Impact Impact X X X March 2007 b) Cause a substantial adverse change in the significance of an archaeological resource pursuant to § 15064.5? (Source: 6,12) c) Directly or indirectly destroy a unique paleontological resource or site or unique geologic feature? (Source: 6,12) d) Disturb any human remains, including those interred outside of formal cemeteries? (Source: 6,12) VI. GEOLOGY AND SOILS -- Would the project: a) Expose people or structures to potential substantial adverse effects, including the risk of loss, injury, or death involving: i) Rupture of a known earthquake fault, as delineated on the most recent Alquist -Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known fault? Refer to Division of Mines and Geology Special Publication 42. (Source: 6,13,18) ii) Strong seismic ground shaking? (Source: 6,13) iii) Seismic - related ground failure, including liquefaction? (Source: 6,13) iv) Landslides? (Source: 6,13) b) Result in substantial soil erosion or the loss of topsoil? (Source: 6,13) c) Be located on a geologic unit or soil that is unstable, or that would become unstable as a result of the project, and potentially result in on- or off -site landslide, lateral spreading, subsidence, liquefaction or collapse? (Source: 6,13) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 29 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X X X March 2007 d) Be located on expansive soil, as defined in Table 18 -1 -B of the Uniform Building Code (1994), creating substantial risks to life or property? (Source: 6,13) e) Have soils incapable of adequately supporting the use of septic tanks or alternative waste water disposal systems where sewers are not available for the disposal of waste water? (Source: 6,13) VII. HAZARDS AND HAZARDOUS MATERIALS -- Would the project: a) Create a significant hazard to the public or the environment through the routine transport, use, or disposal of hazardous materials? (Source: 6) b) Create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment? (Source: 6) c) Emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within one - quarter mile of an existing or proposed school? (Source:6) d) Be located on a site which is included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5 and, as a result, would it create a significant hazard to the public or the environment? (Source: 6) e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project result in a safety hazard for people residing or working in the project area? (Source: 6) f) For a project within the vicinity of a private airstrip, would the project result in a safety hazard for people residing or working in the project area? (Source: 6) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 30 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X March 2007 g) Impair implementation of or physically interfere with an adopted emergency response plan or emergency evacuation plan? (Source: 6) h) Expose people or structures to a significant risk of loss, injury or death involving wildland fires, including where wildlands are adjacent to urbanized areas or where residences are intermixed with wildlands? (Source: 6) VIII. HYDROLOGY AND WATER QUALITY — Would the project: a) Violate any water quality standards or waste discharge requirements? (Source: 2,6) b) Substantially deplete groundwater supplies or interfere substantially with groundwater recharge such that there would be a net deficit in aquifer volume or a lowering of the local groundwater table level (e.g., the production rate of pre- existing nearby wells would drop to a level which would not support existing land uses or planned uses for which permits have been granted)? (Source: 2,6) c) Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, in a manner which would result in substantial erosion or siltation on- or off -site? (Source:2,6) d) Substantially alter the existing drainage pattern of the site or area, including through the alteration of the course of a stream or river, or substantially increase the rate or amount of surface runoff in a manner which would result in flooding on- or off - site? (Source: 2,6) e) Create or contribute runoff water which would exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted runoff? (Source: 2,6) f) Otherwise substantially degrade water quality? Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 31 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X March 2007 g) Place housing within a 100 -year flood hazard area as mapped on a federal Flood Hazard Boundary or Flood Insurance Rate Map or other flood hazard delineation map? (Source: 1,2,6) h) Place within a 100 -year flood hazard area structures which would impede or redirect flood flows? (Source:2,6) i) Expose people or structures to a significant risk of loss, injury or death involving flooding, including flooding as a result of the failure of a levee or dam? (Source: 1,2,6) j) Expose people or sturctures to a significant risk of loss, injury or death involving inundation by seiche, tsunami, or mudflow? (Source: 1,6,13) IX. LAND USE AND PLANNING - Would the project: a) Physically divide an established community? (Source: 1,6,7) b) Conflict with any applicable land use plan, policy, or regulation of an agency with jurisdiction over the project (including, but not limited to the general plan, specific plan, local coastal program, or zoning ordinance) adopted for the purpose of avoiding or mitigating an environmental effect? (Source: 1,6,7) c) Conflict with any applicable habitat conservation plan or natural community conservation plan? (Source: 1,6,7) X. MINERAL RESOURCES -- Would the project: a) Result in the loss of availability of a known mineral resource that would be of value to the region and the residents of the state? (Source: 4,6,7) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 32 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X March 2007 b) Result in the loss of availability of a locally- important mineral resource recovery site delineated on a local general plan, specific plan or other land use plan? (Source: 4,6,7) XI. NOISE - Would the project result in: a) Exposure of persons to or generation of noise levels in excess of standards established in the local general plan or noise ordinance, or applicable standards of other agencies? (Source: 6) b) Exposure of persons to or generation of excessive groundbome vibration or groundborne noise levels? (Source: 6) c) A substantial permanent increase in ambient noise levels in the project vicinity above levels existing without the project? (Source: 6) d) A substantial temporary or periodic increase in ambient noise levels in the project vicinity above levels existing without the project? (Source: 6) e) For a project located within an airport land use plan or, where such a plan has not been adopted, within two miles of a public airport or public use airport, would the project expose people residing or working in the project area to excessive noise levels? (Source: 1,6) f) For a project within the vicinity of a private airstrip, would the project expose people residing or working in the project area to excessive noise levels? (Source: 1,6) XII. POPULATION AND HOUSING — Would the project: Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 33 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X March 2007 a) Induce substantial population growth in an area, either directly (for example, by proposing new homes and businesses) or indirectly (for example, through extension of roads or other infrastructure)? (Source: 6,8) b) Displace substantial numbers of existing housing, necessitating the construction of replacement housing elsewhere? (Source: 3) c) Displace substantial numbers of people, necessitating the construction of replacement housing elsewhere? (Source: 3,8) XIII. PUBLIC SERVICES a) Would the project result in substantial adverse physical impacts associated with the provision of new or physically altered governmental facilities, need for new or physically altered governmental facilities, the construction of which could cause significant environmental impacts, in order to maintain acceptable service ratios, response times or other performance objectives for any of the public services: Fire Protection? (Source: 2,6) Police Protection? (Source: 2,6) Schools? (Source: 2,6) Parks? (Source: 2,6) Other Public Facilities? (Source: 2,6) XIV. RECREATION -- a) Would the project increase the use of existing neighborhood and regional parks or other recreational facilities such that substantial physical deterioration of the facility would occur or be accelerated? (Source:2,6) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 34 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X X X March 2007 b) Does the project include recreational facilities or require the construction or expansion of recreational facilities which might have an adverse physical effect on the environment? (Source: 2,6) XV. TRANSPORTATION/TRAFFIC- Would the project: a) Cause an increase in traffic which is substantial in relation to the existing traffic load and capacity of the street system (i.e., result in a substantial increase in either the number of vehicle trips, the volume to capacity ratio on roads, or congestion at intersections)? (Source: 14) b) Exceed, either individually or cumulatively, a level of service standard established by the county congestion management agency for designated roads or highways? (Source: 14, 15) c) Result in a change in air traffic patterns, including either an increase in traffic levels or a change in location that results in substantial safety risks? (Source: 14) d) Substantially increase hazards due to a design feature (e.g., sharp curves or dangerous intersections) or incompatible uses (e.g., farm equipment)? (Source: 14) e) Result in inadequate emergency access? (Source: 14) f) Result in inadequate parking capacity? (Source: 14) g) Conflict with adopted policies, plans, or programs supporting alternative transportation (e.g., bus turnouts, bicycle racks)? (Source: 14) XVI. UTILITIES AND SERVICE SYSTEMS -- Would the project: Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 35 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X X March 2007 a) Exceed wastewater treatment requirements of the applicable Regional Water Quality Control Board? (Source: 2,6) b) Require or result in the construction of new water or wastewater treatment facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? (Source: 2,6,7) c) Require or result in the construction of new storm water drainage facilities or expansion of existing facilities, the construction of which could cause significant environmental effects? (Source: 2,6,7) d) Have sufficient water supplies available to serve the project from existing entitlements and resources, or are new or expanded entitlements needed? (Source: 2,6,7) e) Result in a determination by the wastewater treatment provider which serves or may serve the project that it has adequate capacity to serve the project's projected demand in addition to the provider's existing commitments? (Source: 2,6,7) f) Be served by a landfill with sufficient permitted capacity to accommodate the project's solid waste disposal needs? (Source: 2,6,7) g) Comply with federal, state, and local statutes and regulations related to solid waste? (Source: 2,6,7) Initial Study/Mitigated Negative Declaration for the Vargas Project City of Dublin 36 Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X X X X X March 2007 XVII. MANDATORY FINDINGS OF SIGNIFICANCE- a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self - sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of a rare or endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? b) Does the project have impacts that are individually limited, but cumulatively considerable? ( "Cumulatively considerable" means that the incremental effects of a project are considerable when viewed in connection with the effects of past projects, the effects of other current projects, and the effects of probable future projects)? c) Does the project have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly? Potentially Significant Impact Less Than Significant with Mitigation Incorporation Less Than Significant Impact No Impact X X X Sources used to determine potential environmental impacts: 1. Location of project. 2. Discussion with City Staff or affected special districts. 3. Field review. 4. City of Dublin General Plan. 5. City of Dublin Zoning Ordinance. 6. Eastern Dublin EIR. 7. Eastern Dublin Specific Plan. 8. Stage 1 Development Plan. 9. Eastern Dublin Scenic Corridor Policies and Standards. 10. Biological Resources Analysis dated August 2006. 11. Tree Report. 12. Cultural Resources Analysis dated July 2006. 13. Geotechnical Report dated July 2006. 14. Moller Ranch/Casamira Valley Traffic Study dated July 2006. 15. Dublin Ranch West Draft Supplemental Environmental Impact Report. 16. Discussions with Jeff Olberding of Olberding Environmental, Inc. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 37 17. Eastern Dublin San Joaquin Kit Fox Protection Plan. 18. City's GIS maps and information. 19. Eastern Dublin Comprehensive Stream Restoration Program. 20. Bay Area Air Quality Management District CEQA Guidelines. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 38 Discussion of Checklist Legend PS: Potentially Significant LS/M: Less Than Significant After Mitigation LS: Less Than Significant Impact NI: No Impact The following information is provided for the environmental checklist. I. Aesthetics The Vargas property is located near the border of Alameda and Contra Costa County. The property is located adjacent to the Tassajara Creek (located outside of the property line) and a Stream Corridor /Open Space area (the stream corridor designation is in the General Plan and the open space designation is from the Eastern Dublin Specific Plan). The property slopes down from a small hill where the existing house sits to a flat portion located between Tassajara Road and the creek. The flat portion currently sits below Tassajara Road and gently slopes down to the property line where the land then drops off to the Tassajara Creek. The Tassajara Creek sits outside of the property, however, the Creek is adjacent to the property and the top of the bank is visible from Tassajara Road. The property is also located within the Eastern Dublin Scenic Corridor and development must conform to the Eastern Dublin Specific Plan Policy 6 -39 and the adopted Eastern Dublin Scenic Corridor Policies and Programs ( EDSCPP). The Vargas property is located within Zone 4: Tassjara Village (Figure 5 of the EDSCPP). The purpose of the EDSCPP is to allow project development to occur in the area while maintaining the visual character of the ridgelands, watercourses and distinct landscape features for travelers on the designated scenic routes. The Vargas property does not have any visually sensitive ridgelands on the property (see Figure 6.3 in the Eastern Dublin EIR). There are visually sensitive ridgelands on the Moller Ranch/Casamira Valley site, east of the property, however, due to the location of these ridgelands, the proposed Project will not interfere with views of these visually sensitive ridgelands. Additionally, during the Stage 2 and Site Development Review phases of the project when more detailed architectural drawings are submitted, the City will ensure that the design of the project uses high quality design and visual character pursuant to Policy 6 -31 in the Eastern Dublin Specific Plan. The Vargas property is partially blocked from view on northbound Tassajara Road by the large knoll on the Fredrich property. As mentioned above, the top of the creek bank of the Tassajara Creek is visible from Tassajara Road and some of the riparian plantings including Heritage Trees (located off of the property) are visible from the road. The Eastern Dublin Environmental Impact Report discusses impacts 3.8/A, Standardized "Tract Development," 3.88, Alteration of Rural/Open Space Visual Character, 3.8/C, Obscuring Distinctive Natural Features, 3.8/G, Alteration of Visual Character of Watercourses and 3.85, Scenic Routes, which relate to development of this site as a residential community. These impacts relate to the change in the site from a rural use to a more dense residential development and the impact of the development to the existing Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 39 view from Tassajara Road. The Eastern Dublin Specific Plan and the Eastern Dublin EIR contain policies and mitigation measures (discussed in more detail below) which reduce these impacts so that the development is well designed, relates well to the surrounding area, preserves natural features on the site and therefore protects the existing view from Tassajara Road in accordance with the Eastern Dublin Scenic Corridor Policies and Programs. a) Have a substantial adverse impact on a scenic vista? LS /M. The project site is located within the Eastern Dublin Scenic Corridor, as defined by the adopted Eastern Dublin Scenic Corridor Policies and Programs (EDSCPP). As discussed above, the existing property sits below Tassajara Road on a large portion of the property with the house sitting on a small hill. The Stage 1 Development Plans shows that much of the property will be regraded and small hill will be removed. The property located to the south of this property features a hill/knoll and the Tassajara Creek is located to the west of the property. The Eastern Dublin EIR contains Mitigation Measure 3.8/3.0, related to obscuring distinctive natural features, which requires development in Eastern Dublin to preserve views of distinctive natural features such as hills, stands of trees, and creeks. As shown on the conceptual site plan (contained in the Stage 1 Development Plan, Exhibit 8), the parcels will be setback a minimum of 100 feet from the top of the creek bank in order to preserve views of the Creek inside the development and to allow views of the Tassajara Creek from Tassajara Road. The minimum 100 foot setback and placement of the parcels, as shown on the Stage 1 Development Plan, will ensure that travelers on Tassajara Road can see the top of the creek bank (similar to the view from Tassajara Road today) from the two entrances into the project. The intent of the Eastern Dublin Scenic Corridor Policies and Prorgams document is to maintain the visual character of the ridgelands, watercourses and distinct landscape features for travelers on the designated scenic routes while allowing development in the area. The following mitigation measures are included to ensure that the design of the residential development including the height of the units will preserve the existing views of the Tassajara Creek to ensure that development of the Project complies with these requirements and the requirements of the Eastern Dublin Specific Plan which will reduce visual impacts to a less than significant level: Mitigation Measure 1: A visual survey /analysis of the development shall be submitted in conjunction with the Stage 2 Rezone and Site Development Review to ensure that the proposed development including design, height and location complies with the Eastern Dublin Scenic Corridor Policies and Programs and that views of the creek bank from Tassajara Road are maintained. Additionally, the visual analysis shall show that distinctive natural features will be visible once the development is complete. Mitigation Measure 2: The Stage 2 Rezone and Site Development Review plans shall show that residential development shall be designed to retain as much of the existing topography as possible. The residential development shall comply with the Eastern Dublin Scenic Corridor Policies and Standards which require projects to maintain the visual character of the ridgelands, watercourses and distinct landscape Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 40 features for travelers on the designated scenic routes. b) Would the Project have a substantial impact on a state scenic highway? NI. The project site is not located adjacent to a state designated scenic highway. c) Substantially degrade existing visual character or the quality of the site? LS/M. As noted above, the property is located in a unique area which offers many visual resources to the community. Additionally, the change in use on the site from rural residential to a medium density residential development will alter the existing character of the site. The existing site does have a rural residential character due to the small house, accessory structures, open landscape and horse barn. Development of the site to a residential development with 33 dwelling units will significantly impact the existing rural character of the site by eliminating the existing buildings and constructing the new development. The Eastern Dublin EIR identified several visual resources impacts and contains related mitigation measures in Section 3.8 which are aimed at reducing visual impacts on the City. Mitigation Measures 3.8/4.0 -4.5 aim to minimize grading of project sites and requires developers to retain as much of the natural grade as possible and the proposed Project will comply because the amount of grading on the site will be limited as shown on the preliminary grading plan in the Stage 1 Development Plan. Mitigation Measure 3.8/6.0 requires the development to be sited in such a manner as to maintain visual access of the creek. Mitigation Measure 3.8/8.1 requires the developer to submit a detailed visual analysis of the project during the Site Development Review process, when detailed house plans will be provided, to ensure that the height of the units do not detract views of the site. Additionally, compliance with Mitigation Measure 1 and 2 will reduce visual impacts resulting from development on the site and will ensure that development on the site will conform to the adopted Eastern Dublin Scenic Corridor Policies and Standards. Although these mitigation measures will limit impacts of the development on the existing rural character of the site, the loss of the character of the site is a significant impact that cannot be mitigated. A Statement of Overriding Considerations was adopted for Impact 3.88, Alteration of Rural/Open Space Visual Character, in the Eastern Dublin EIR related to the loss of the rural character of this area which is a significant and unavoidable impact due to development of the property. d) Create light or glare? LS/M. New street lighting related to the construction of a residential development will result in an increase in the amount of light and glare on the site and in the surrounding area. In some instances, the additional lighting could result in negative aesthetic impact through the "spill over" of unwanted lighting onto adjacent residential properties. The following mitigation measure is included to reduce spillover of lighting impacts to a less -than- significant level: Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 41 Mitigation Measure 3: Pole- mounted street lights shall be equipped with cut -off lenses and oriented down toward interior streets to minimize unwanted light and glare spill over. II. Agricultural Resources Historically, the site was used for grazing purposes prior to the 1960's (these activities may have ceased as early as the 1940's). In the 1960's, the site was developed with a house and related accessory structures and agriculture uses were discontinued at that time. The site is currently used for a residential dwelling unit and a contractor construction storage yard. Although the County of Alameda zoning designation for this property is Agriculture, the General Plan and the Eastern Dublin Specific Plan designated this land for future residential development. The Eastern Dublin Environmental Impact Report identifies impacts 3.1 /C, Discontinuation of Agricultural Uses and 3.1 /D, Loss of Farmland of Local Importance as less than significant, which relate to the development of this site and the loss in any potential agricultural uses that may have occurred on the site in the future if the site was not developed as a residential development. The Eastern Dublin Environmental Impact Report identified the Vargas property as having an existing rural residential land use (Figure 3.1 -A in the Eastern Dublin EIR), the Eastern Dublin EIR further identified the Vargas property as being suitable for agriculture and "locally important farmland" (see Figure 3.1 -13). The property is small in size, 4.38 acres (5.0 gross acres), and therefore is not eligible to be enrolled in the Williamson Act. The small size of the property makes it unlikely that the parcel would be able to support profitable agricultural operations on it. Additionally, the site is not classified as Prime Farmland, Unique Farmland or Farmland of Statewide Importance. Project Impacts a -c) Convert Prime Farmland, conflict with agricultural zoning or involve other changes which could result in conversion offarmland to a non - agricultural use? LS. Although Figure 3.1 -B in the Eastern Dublin EIR identifies this property as being "locally important farmland," the property is small in size and is not suitable to support commercial agricultural uses. As previously discussed, agricultural uses were discontinued on the site when the site was split from the Rancho San Ramon. In recent years, the site has been used for residential uses and a contractors construction storage yard. The site has been designated as being "locally important farmland," and the Eastern Dublin EIR noted that the Agricultural Suitability Map for Eastern Dublin, prepared by the Soil Conservation Service, found that no soils in Eastern Dublin supported Prime Farmland or Farmlands of Statewide Importance. As noted in Figure 3.1 -B of the Eastern Dublin EIR, the Project site is shown as being "locally important farmland" and is not classified as Prime Farmland, Unique Farmland or Farmland of Statewide Importance. Pursuant to CEQA, the loss of farmland is only considered to be significant if the loss in farmland falls into one of those three categories. Additionally, the proposed Project includes the construction of a residential development which is consistent with the General Plan and the Eastern Dublin Specific Plan. Any potential future agricultural use of this property will be lost as a result of the proposed development as analyzed and found less than significant in the Eastern Dublin EIR. The Project proposes no additional or different development beyond that assumed in the Eastern Dublin EIR, Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 42 and results in no agricultural resources impacts beyond those in the Eastern Dublin EIR. A Statement of Overriding Considerations was adopted for Impact 3.1/F, Cumulative Loss of Agricultural and Open Space Lands in the Eastern Dublin EIR. III. Air Quality Dublin is located in the Tri- Valley Air Basin. Within the Basin, state and federal standards for nitrogen dioxide, sulfur dioxide and lead are met. Standards for other airborne pollutants, including ozone, carbon monoxide and suspended particulate matter (PM -10) are not met in at least a portion of the Basin. The document Bay Area Air Quality Management District ( BAAQMD) CEQA Guidelines were published after the Eastern Dublin EIR was certified by the City Council. The guidelines establish the following criteria; which are the significance criteria for the purposes of this initial study ( BAAQMD 1999). • A significant impact on local air quality is defined as an increase in carbon monoxide concentrations that causes a violation of the most stringent ambient air quality standard for carbon monoxide (20 ppm for the one -hour averaging period, 9.0 ppm for the eight -hour averaging period). • A significant impact on regional air quality is defined as an increase in emission of an ozone precursor or PM10 exceeding the BAAQMD thresholds of significance or 80 pounds per day or 15 tons per year for ozone precursors or PM10. • Any proposed project that would individually have a significant air quality impact would be considered to have a significant cumulative air quality impact. • Any project with the potential to frequently expose the public to objectionable odors would be deemed to have a significant impact. The Eastern Dublin EIR identifies significant impacts 3.11 /A, Dust Deposition Soiling Nuisance from Construction Activity, 3.11/B, Construction Equipment/Vehicle Emissions, 3.11 /C, Mobile Source Emissions: ROG or NOx, 3.11 /E, Stationary Source Emissions which apply to the proposed Project. Related mitigation measures continue to apply to implementing projects such as the proposed Project. Since preparation of the Eastern Dublin EIR there have been several regulatory changes, changes in the methods of air quality analysis and changes to applicable thresholds of environmental significance. Changes to the Regulatory Setting Ambient Air Quality Standards. The Federal and California ambient air quality standards are summarized in the table below for important pollutants and have changed since certification of the Eastern Dublin EIR. The federal and state ambient standards were developed independently with differing purposes and methods, although both federal and state standards are intended to avoid health - related effects. As a result, the federal and state standards differ in some cases. In general, the California state standards are more stringent. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 43 Table 2: Federal and State Ambient Air Quality Standards Pollutant Avera in Time California Standards Federal Standards Ozone (03) 1 Hour 0.09 m - -- 8 Hour 0.070 ppm 0.08 ppm Respirable Particulate Matter (PM 1o) 24 Hour 50 ug/m 150 u m Annual 20 u m 50 u m Fine Particulate Matter (PM2) 24 Hour - -- 65 u m Annual 12 u m 15 u m Carbon Monoxide (CO) 8 Hour 9.0 ppm 9 ppm 1 Hour 20 ppm 35 ppm Nitrogen Dioxide (NOZ) Annual - -- 0.053 ppm 1 Hour 0.25 ppm - -- Sulfur Dioxide (SOZ) Annual - -- 0.030 ppm 24 Hour 0.04 m 0.14 m 3 Hour - -- - -- 1 Hour 0.25 ppm - -- Lead 30 Day Average 1.5 u m - -- Calendar Quarter - -- 1.5 u m Source: California Air Resource Board (as of 5/17/06) Sensitive Receptors The Bay Area Air Quality Management District defines sensitive receptors as facilities where sensitive receptor groups (children, the elderly, the acutely ill and the chronically ill) are likely to be located. These land uses include residences, schools, playgrounds, child -care centers, retirement homes, convalescent homes, hospitals and medical clinics. Project Impacts a) Would the project conflict or obstruct implementation of an air quality plan? NI. The proposed Project would generate additional vehicular traffic to and in Dublin and the Tri- Valley area. The associated vehicular trips would generate carbon monoxide, reactive organic gasses, nitrogen oxide, sulfur dioxide and particulate matter (PM,o)• The proposed project would not conflict with the local Clean Air Plan adopted by the Bay Area Air Quality Management District because the Clean Air Plan is based on local general plans and the Dublin General Plan which designates the site as a residential development with up to 110 dwelling units. Further, the Eastern Dublin EIR analysis assumed residential densities at the midpoint of the general plan range, and thus would have assumed approximately 55 units for the Project site. The number of dwelling units on the site has been reduced to 36 units pursuant to the Stage 1 Development Plan and the General Plan Amendment and Specific Plan Amendment to reduce density on the site to Medium - Density Residential. Therefore, the project conforms to and would not conflict with or obstruct implementation of the Bay Area Air Quality Management District's Clean Air Plan. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 44 b) Would the project violate any air quality standards? LS/M. During the construction of the building and site improvements air quality standards could be exceeded as a result of dust and equipment emissions. Consistent with construction Impacts 3.11 /A and B in the EDEIR, the Project will be required to conform to Mitigation Measures 3.11/1.0 — 3.11/4.0 in the Eastern Dublin EIR which requires construction equipment emission control and dust reduction measures during construction of the project. The Project will also be required to comply with Mitigation Measures 3.11/12.0 -13, for Stationary Source Emissions Impact 3.11/E of the EIR, which require the development to be designed to include energy conserving features, such as insulation and energy star appliances, which will be reviewed during the Building Permit stage when formal house plans with construction details will be submitted.. Despite the establishment of both federal and state standards for PM2.5 (particulate matter, 2.5 microns), the BAAQMD has not development a threshold of significance for this pollutant in the BAAQMD CEQA Guidelines. For this analysis, PM2.5 impacts would be considered significant if project emissions of PMIo exceed 80 pounds per day. The BAAQMD CEQA Guidelines are incorporated herein by reference and are available for review in the Planning Division in City Hall located at 100 Civic Plaza during normal business hours. The current BAAQMD significance threshold for construction dust impact is based on the appropriateness of construction dust controls. The BAAQMD CEQA Guidelines provide feasible control measures for construction emission of PM�o. Construction activities, including grading, would have the potential to cause nuisance relate to dust and PM1o. The current BAAQMD significance threshold for construction dust impact is based on the appropriateness of construction dust controls. If the appropriate construction controls are implemented, then air pollutant emissions for construction activities would be considered less significant. Mitigation Measure 3.11/1.0 in the Eastern Dublin EIR implements most, but not all, of the currently recommended dust emission reduction measures. In addition to the mitigation measures identified in 3.11/1.0 of Eastern Dublin EIR that will be incorporated into the Project to reduce dust emissions, the Project must adhere to the following mitigations during construction of the Project to reduce impacts related to construction air quality to a less than significant level. Compliance with these measure will be reviewed during the Building Permit stage when the contractor will be required to submit a dust emission control plan and the City will verify compliance with these measures during construction. Mitigation Measure 4: Construction contractors shall water or cover stockpiles of debris, soil and other materials that can be blown by the wind during construction of the development. Mitigation Measure 5: Construction contractors shall sweep (preferably with water sweepers) all paved access roads, parking areas and staging areas at construction sites daily. Mitigation Measure 6: Construction contractors shall install sandbags or other erosion control measures to prevent silt runoff to public roadways. Initial Study /Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 45 According to the BAAQMD CEQA guidelines, implementation of the above mitigation measures would reduce construction period air quality impacts to a less than significant level. A Statement of Overriding Considerations was adopted upon approval of the Eastern Dublin project because the EIR assumed that cumulative air quality impacts as a result of construction equipment could not be reduced to a less than significant impact even with mitigation (Impact 3.11A, Dust Deposition Soiling Nuisance from Construction Activity, and B, Construction Equipment/Vehicle Emissions, in the Eastern Dublin EIR). Similarly, the Eastern Dublin EIR indicates that air quality impacts related to mobile source emission of Reactive Organic Gasses and Nitrogen Oxide, both precursor indicators of smog, and stationary source emission were found to exceed regional air quality standards even with mitigation measures and were included in the Statement of Overriding Considerations (Impacts 3.11 /C and 3.11 /E). The Project is substantially smaller than the project assumed in the Eastern Dublin EIR, but is not small enough to reduce Impacts 3.11 /C and E to a less than significant level based on the reduction estimated in the Eastern Dublin EIR as necessary to avoid significant impacts. c) Would the project result in cumulatively considerable air pollutants? LS. A previously discussed, the proposed Project proposes to construct 33 units which is lower than the number of units (55, the midpoint range) studied in the Eastern Dublin EIR for this property. The ozone contributed by this project would be lower than what was studied in the EIR for the Eastern Dublin General Plan Amendment/Specific Plan Amendment and therefore, there would be a cumulative decrease in pollutants from what was previously determined in the Eastern Dublin EIR resulting from this Project and no further analysis is required. d) Would the project expose sensitive receptors to substantial pollutant concentrations? LS. The proposed Project would expose residents and sensitive receptors to air emission from mobile sources, including reactive organic gasses, nitrogen oxides and particulates. However, if the proposed Project is approved, a total of 33 dwelling units will be constructed on the Vargas property which is 22 units less than what was studied in the Eastern Dublin EIR (and significantly lower than the 110 units which are permitted by the current land use designations). The proposed Project is small in size and is lower than what was studied in the Eastern Dublin EIR . The BAAQMD considersPM10 emissions of 80 pound per day to be a substantial pollutant. In this case, due to the total number of daily trips (250), the Project would generate significant less than 80 pounds per day. e) Would the project create objectionable odors? LS. The proposed Project includes typical residential uses which do not typically create objectionable odors. IV. Biological Resources A biological survey of Eastern Dublin was conducted in 1989 in conjunction with the Eastern Dublin EIR. A detailed site biological analysis of the Project site was conducted by Olberding Environmental, Inc. in June 2006, attached as Appendix A. to this Mitigated Negative Declaration and incorporated herein by reference, and the information in this section is based on that analysis. The Analysis is also available for review at City Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 46 Hall in the Planning Division during normal business hours. Olberding Environmental conducted site visits and reviewed available information to determine if there were any special status species or habitats on the site. The Eastern Dublin EIR classifies the Project site as a ruderal field (see Figure 3.7 -A in the Eastern Dublin EIR). The EIR further defines a ruderal field as an area consisting of native and non - native species predominantly consisting of introduced weeds such as thistles, mustards and grasses. The biological analysis notes that the property consists mainly of grazed non - native grassland habitat. This habitat is common in California as the result of human alteration of the perennial grasslands by grazing, fire suppression and the introduction of exotic annual grasses and weed species. The existing property contains a house and accessory structures and was used for grazing purposes in the past. The property currently contains a house and related residential accessory structures, a horse barn and a accessory structures related to a contractors storage yard. Debris is strewn across the northern portion of the property. The northern portion of the property has very few buildings and has an open space feel. Nonnative trees and low shrubs are scattered throughout the site and the site has non native grasses. No heritage trees are located on the site. The Tassajara Creek is located adjacent to the property on the west side (outside the property). The property is dominated by flatlands with a small mound where the existing house and garage are located. The land has a gently sloping topography with elevations ranging between 466 feet (at the creek bank) to 498 feet (at Tassajara Road). The land is currently used as a storage yard, for residential uses and for horse grazing which leaves little or no vegetation in some areas. The Eastern Dublin EIR identifies impacts 3.7/A, Direct Habitat Loss, 3.7/13, Indirect Impacts of Vegetation Removal, 3.7/C, Loss or Degradation of Botanically Sensitive Habitat, 3.7/D, San Joaquin Kit Fox, 3.7/17, Red - legged Frog, 3.7/G California Tiger Salamander, 331M, Burrowing Owl which may relate to the development of the site including impacts related to grading and construction activities. All mitigation measures adopted for these impacts continue to apply to this Project. Riparian Habitat The Tassajara Creek is located adjacent to the property on the west side (outside the property line, see Exhibit 8). Trees are located on the creek bank and adjacent to the property line. The arroyo willow is the dominant riparian tree species and forms dense thickets across and along the waterway. Live Oak trees form the border around the riparian habitat. The edge of the riparian area is vegetated with mugwort, poison oak, blackberry and annual grasses. The location of these trees may be found in the arborist report attached as Appendix B, incorporated herein. Wetlands A jurisdictional delineation of Waters of the United States has been submitted to the United States Army Corps of Engineers ( USACE) for the Vargas property, but the USACE has not yet verified this delineation. The Section 404 Delineation Map submitted to the USACE indicates that approximately .483 acres of USACE jurisdictional habitats have been identified on the Vargas property. The location of these wetlands can be found in Exhibit 12. Plants Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 47 Annual grass lands are found on sloping hills and flat lands throughout the property. The grassland habitat found on the property is dominated by wild oat, ripgut brome and soft chess. Broafleaf plants are also located on the property and consist of winter vetch, red - stemmed filaree and sheep sorrel. Plant species observed by Olberding Environmental on the site can be found in Table 1 of Appendix A. No special status plants were observed on the site. Animals The habitat with grassland and some open areas and trees may provide a suitable habitat for wildlife species. The habitat does provide a good habitat for amphibians, reptiles, birds and mammals. The occurrence of these species however is limited based on the existing condition of the property and its historical use as grazing land and current use, as a residential property with horses and a contractors storage yard, which has damaged the habitat of a portion of the property due to the construction of accessory structures, trucks, roads and debris which is strewn on the northern portion of the property. Animal species observed by Olberding Environmental on the site can be found in Table 1 of Appendix A. No foraging or nesting raptor species, special status reptiles or amphibians or special status mammals were observed on the site. Project Impacts a) Would the Project have a substantial adverse impact on a candidate, sensitive or special status species? LS/M. As discussed in the section above, a Biological Resources Analysis was conducted by Olberding Environmental. The Analysis also included a sit visit to determine if any special status plants or animals were located on the site. The Analysis and site visit determined that there are no special status plants or animals presently on the site. Construction of the Vargas project is not anticipated to begin for a minimum of two years based on the estimated time to process the annexation request and subsequent Site Development Review, Subdivision Maps and Building Permit. Because construction is not anticipated to occur for a minimum of two years, there is the potential for special status plants or animals to move to the site due to construction projects in the area including the Wallis Ranch (Dublin Ranch West) project. If these species move to the site, they could be adversely affected by Project construction activities. This is a potentially significant impact. Raptors. A raptor survey was conducted on the property as part of the biological analysis. The survey as conducted to determine if Golden Eagles (California Species of Concern), Red - Tailed Hawk (State Protected species), Red - Shouldered Hawk (Stated Protected species), Northern Harrier (California Species of Concern), American Kestrel (State Protected species), Cooper's Hawk (State Protected species), Sharp - Shinned Hawk (State Protected species) or the White- Tailed Kite (Federal Species of Concern and California Department of Fish and Game Fully Protected species) were located on the site. No raptor nests were discovered on the Project site or adjacent to the property. A red - tailed hawk was observed on the site during the raptor survey, however a nest was not found on or adjacent to the site. Although raptor nests were not discovered during the survey, there are trees, located adjacent to the property which may provide a suitable habitat for raptor nesting and raptors could forage on the site in the future. As discussed above, because construction of the site is not anticipated to begin for several years, raptors may forage on the property in the future. Although Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 48 raptor nests were not on the site during the raptor survey, the following Mitigation Measure has been included to ensure that the development will not harm raptor nests in the future in the event that raptor nests may locate in the area based on the discussion in this section, and will reduce potential impacts to less than significant: Mitigation Measure 7: A pre - construction survey shall be conducted for nesting raptors prior to the start of grading or construction within 100 feet of any known nesting tree(s). If eggs have been laid, a buffer shall be established around the nest tree and the site shall be protected from January 1 until August 1, or until the young have fledged. The buffer shall be determined by a qualified biologist (as determined by the City). If a known nesting tree or vegetation is removed, it shall only occur during the raptor non - breeding season which occurs from the months of October to December. California Red - Legged Frog. The Tassajara Creek located adjacent to the property is considered to be a potentially suitable breeding habitat for the California Red - Legged Frog (a Federally Threatened and California Species of Concern) because the creek contains abundant emergent vegetation that is appropriate breeding habitat. The California Red - Legged Frog has been observed off of the project site in 1992 on the Tassajara Creek at a location that is within a mile of the property. A sighting in 1998 was located within a mile of the property within the east fork of the Tassajara Creek, approximately 0.4 miles northeast of the property. The California Red - Legged Frog has also been documented in pool habitat within a tributary to Tassajara Creek located approximately 0.5 miles southwest of the property (1999 sighting). This species was not observed during the 2006 biological survey conducted by Olberding Environmental. As discussed above, because construction of the site is not anticipated to begin for several years, the California Red - Legged Frog may locate on the property in the future. The following Mitigation Measure has been included to ensure that the development will not harm the California Red - Legged Frog in the future in the event that California Red - Legged Frog locates in the area based on the discussion in this section and will reduce potential impacts to less than significant: Mitigation Measure 8: A pre - construction survey to determine if there are California Red - Legged. Frogs one or near the site shall be conducted no more than 60 days prior to construction or grading on the Project site. A copy of the survey report shall be submitted to the Community Development Department for review prior to the issuance of any grading or Building Permit. Should the survey determine that these species are located on the site, the developer shall work with the Community Development Department, a qualified biologist (as determined by the City) and the Department of Fish and Game and Fish and Wildlife Service to determine any additional measures that shall be placed on the project to avoid impacts to these species. California Tiger Salamander. The annual grasslands on the site are potentially suitable aestivation habitat for the California Tiger Salamander (a Federal Threatened and Endangered Species and a California Species of Concern). California ground squirrel burrows located on the property could also serve as aestivation habitat. In 1998, California Tiger Salamander larvae were documented at a Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 49 stock pond located 1.4 miles south of the Vargas property. An adult California Tiger Salamander was documented immediately west of Tassajara Creek in 1997 at a location that is 0.6 miles north of the County Rehabilitation Center at a distance of 1.4 miles southwest of the property. In 2000, California Tiger Salamander were documented at a stock pond located 0.7 miles east of Tassajara Road and 0.7 miles south of the Alameda/Contra Costa County line, 0.71 miles north of the property. This species was not observed during the 2006 biological survey conducted by Olberding Environmental. The developer of the Project will be required to construct a pre - construction survey 60 days prior to construction to determine if there are any California Tiger Salamanders on the site in accordance with Mitigation Measure 3.7/20.0 in the Eastern Dublin EIR and Mitigation Measure 8 included in this Mitigated Negative Declaration. As discussed above, because construction of the site is not anticipated to begin for several years, the California Tiger Salamander may locate on the property in the future. The following Mitigation Measures have been included to ensure that the development will not harm the California Tiger Salamander in the future in the event that species locates on the Project site prior to construction of the development and will reduce potential impacts to less than significance: Mitigation Measure 9: A pre - construction survey to determine if there are California Tiger Salamanders on or near the site shall be conducted no more than 60 days prior to construction or grading on the Project site. A copy of the survey report shall be submitted to the Community Development Department for review prior to the issuance of any grading or Building Permit. Should the survey determine that these species are located on the site, the developer shall work with the Community Development Department, a qualified biologist (as determined by the City) and the Department of Fish and Game and Fish and Wildlife Service to determine any additional measures that shall be placed on the project to avoid impacts to these species. Mitigation Measure 10: If the California Tiger Salamander is found within or close to the area proposed for grading and/or construction and could, in the opinion of the resource agency be impacted, a California Tiger Salamander management plan shall be prepared by. a qualified biologist (as determined by the City) and the Project developer and shall be approved by the California Department of Fish and Game and the United States Fish and Wildlife Service prior to the start of construction. The plan shall detail how the California Tiger Salamander will be managed before and during construction activities and shall include the following: 1) Installation of a temporary herpetological fence prior to any ground disturbance around the entire development footprint, or the area designated by the resource agencies which shall prevent the California Tiger Salamander from entering the construction site and shall remain in place until a permanent fence or barrier approved by the resource agencies is installed. A maintenance schedule for the temporary fences shall also be provided. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 50 2) A trapping and relocation plan shall be prepared that details how aestivating California Tiger Salamander individuals will be adequately relocated from the development footprint and into permanently suitable aestivation habitat. 3) Exclusionary barriers shall be installed prior to the onset of winter rains which stimulate the California Tiger Salamander to move to breeding ponds. A qualified biologist (as determined by the City) shall monitor the installation of the barriers to ensure that they are properly installed. 4) The barrier fencing shall be maintained and monitored continuously for the duration of the construction of the development and site to ensure that migrating and dispersing California Tiger Salamanders do not re -enter the construction area. 5) The exclusion fencing shall remain in place until the construction of the development and site is complete. 6) A qualified biologist (as determined by the City) shall be present during grading and ground disturbance construction activities to ensure that there is no harm to California Tiger Salamanders. 7) Grading and vegetation clearing shall not occur within 750 feet of the California Tiger Salamander breeding pond, if a breeding pond is found on the site in the future, during the breeding and migrating season which occurs from November to June. Mitigation Measure 11: A permanent herpetological fence or barrier shall be installed around the north, east and southern area of the residential footprint following construction activities to prevent movement of the California Tiger Salamander into the developed area. San Joaquin Kit Fox. The grasslands on the property provide a potentially suitable habitat for the San Joaquin Kit Fox (Federally Endangered and a California Threatened Species) due to the friable soils, access to migratory corridors, abundance of rodents and nearby source of freshwater. The Vargas property falls within the known historical range of the San Joaquin Kit Fox. The most recent observation occurred on August 20, 2002 where one adult was observed 7 miles northeast of Livermore at a distance of approximately 10.2 miles east of the property. This species was not observed during the 2006 biological survey conducted by Olberding Environmental and no species sightings have occurred in the surrounding area. Based on negative survey results for the Kit Fox within the Eastern Dublin area and the surrounding areas, the Fit Fox appears to be absent from the Eastern Dublin Area including the project site (please refer to the analysis in the certified Dublin Ranch West Draft Supplemental Environmental Impact Report with analysis prepared by H.T. Harvey and Associates. The analysis is incorporated herein by reference and available for public review in the Planning Division at the Dublin City Hall, 100 Civic Plaza, Dublin CA, during normal business hours.) Additionally, this species was not observed during the 2006 biological survey conducted by Olberding Environmental. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 51 The Eastern Dublin EIR requires compliance with Mitigation Measure 3.7/18.0 which states that a Section 7 consultation may be invoked to reduce impacts to the kit fox if found on the site to a less than significant level. Mitigation Measure 3.7/8.1, which requires a habitat management plan, and Mitigation Measure 3.7/19.0 which states that the use of rodenticides and herbicides should be restricted on the Project site. Since certification of the Eastern Dublin EIR, the United States Fish and Wildlife Service (USFWS) has updated its recommendations for survey protocols and protection measures (USFWS 1997 and 1999) for the Kit Fox. The City of Dublin adopted the Eastern Dublin San Joaquin Kit Fox Protection Pal which contains guidelines for avoiding, minimizing and offsetting impacts to the kit fox. These guidelines follow the USFWS Standardized Recommendations for Protection of the San Joaquin Kit Fox. Although the San Joaquin Kit Fox is not anticipated to be present on the site or use the site as a migratory route, the following Mitigation Measure is included in order to reduce impacts related to the San Joaquin Kit Fox to a less than significant level in the event that the Kit Fox is located on the Project site in the future: Mitigation Measure 12: The Project shall comply with the Eastern Dublin San Joaquin Kit Fox Protection Plan. Southwestern Pond Turtle. The Biological Resource Analysis indicates that although the Project site is a suitable habitat for the southwestern pond turtle (a California Species of Concern), these species were not found on the site during their survey. All construction of the Project is required to maintain a 100 foot setback from the creek as required by the Eastern Dublin Comprehensive Stream Restoration Program and the City will not permit encroachment into this area for construction or the storage of any equipment or materials. Because this creek area has been determined to be a suitable habitat for this species, it is possible that the species may be found on the site in the future because construction and grading activities are not anticipated to begin on the site for several years. To reduce potentially significant impacts related to the Southwestern Pond Turtle, in the event that the species is found on the site in the future, the following mitigation measure has been included to reduce potential impacts to a less- than- significant level: Mitigation Measure 13: Prior to the issuance of any grading or Building Permit, a survey shall be conducted to determine if the Southwestern Pond Turtle is located within the Tassajara Creek corridor adjacent to the Vargas property and to locate their positions if any are found. If any Southwestern Pond Turtles are found on the site, the turtles shall be moved (under the supervision of a qualified biologist and consistent with applicable resource agency protocols) or the area shall be blocked off from construction and foot traffic. Burrowing Owl. The survey conducted in conjunction with the Analysis surveyed the Project site to determine if the Burrowing Owl (California Species of Concern) was present on the site. Burrowing Owls are typically found in open annual grassland habitats typical with some of the open areas on the Project site. Although the Burrowing Owl was not found on this site (including Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 52 no presence of burrows or nest spots) the Burrowing Owl could locate on this spot if the property is left vacant for a period of time. The developer of the Project will be required to conduct a pre - construction survey 60 days prior to construction to determine if there are any Burrowing Owls on the site in accordance with Mitigation Measure 3.7/20.0 in the Eastern Dublin EIR. Mitigation Measure 3.7/27.0 in the Eastern Dublin EIR requires a minimum buffer nesting sites identified in the survey. Additionally, in order to reduce the potential impacts of this project related to this species, the following mitigation measures shall be implemented to reduce this potential impact to a less- than - significant level: Mitigation Measure 14: A pre - construction survey shall be conducted by a qualified biologist (as determined by the City) for burrowing owls prior to any ground disturbance between September 1 and January 31. If ground disturbance is delayed or suspended for more than 30 days after the survey, the site shall be re- surveyed. If no over - wintering birds are present, burrows shall be removed prior to the nesting season. If over - wintering birds are present, no disturbance shall occur within 150 feet of occupied burrows. If burrowing owls must be moved from the disturbance area during this period, passive relocation measures shall be prepared and implemented according to current California Department of Fish and Game burrowing owl guidelines, approved by the Department and completed prior to construction. Mitigation Measure 15: If construction is scheduled during the nesting season of February 1 through September 1, a pre - construction survey shall be conducted within 30 days prior to construction or ground disturbance. A minimum 250 foot buffer shall be maintained during the breeding season around active burrowing owl nesting sites identified in pre - construction surveys to avoid direct loss of individuals. Mitigation Measure 16: If destruction of occupied burrows during either the breeding or non - breeding season, or any burrows that were found to be occupied during the pre - construction surveys is unavoidable, a strategy shall be developed to replace such burrows by enhancing existing burrows or creating artificial burrows at a 2:1 ratio on permanently protected lands adjacent to occupied burrowing owl habitat and shall include permanent protection of a minimum of 6.5 acres of burrowing owl habitat per pair or unpaired resident owl. A plan shall be prepared by a qualified biologist (as determined by the City) and the developer and shall be approved by the California Department of Fish and Game which describes the creation or enhancement of burrows, maintenance of burrows and management of foraging habitat, monitoring procedures and significant criteria, funding assurance, annual reporting requirements to the California Department of Fish and Game, contingency and remediation measures. Special Status Plants. Olberding Environmental surveyed the property to determine if any special status plant species were located on the Project site. Several special status plant species were identified as having the potential to occur on the site identified by the California Natural Diversity Database. The property was surveyed to determine if Heartscale (California. Native Plant Society (CNPS) List 113), Brittlescale (CNPS List 113), San Joaquin Spearscale (CNPS List 113), Congdon's Tarplant (NPS List 113), Palmate - Bracted Bird's -Beak (Federal Endangered, California Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 53 Endangered, NPS List 113), Diablo Helianthella (CNPS List 113), Hairless Popcorn Flower (CLAPS List IA), Saline Clover (CNPS List 113) and the Caper - Fruited Tropidocarpum (CNPS List 113) plant species were located on the site. The survey of the special status plant species, conducted in June and August, determined that special status plant species were not located on the property at this time. These species are known to grow only from specific habitat types. The specific habitat types or "micro- climates" necessary for most of the plant species to occur on this property are not found within the boundaries of the Vargas property. Although the plant surveys determined that there are no special status plant species on the site, these species have the potential to occur in the future as discussed at the beginning of this section. To reduce potentially significant impacts related to special status plant species, the following mitigation measure has been included to require a new survey to be conducted prior to construction which will reduce future impacts to special status plant species to a less - than- significant level: Mitigation Measure 17: Prior to issuance of any grading or Building Permits including sitework permits, a plant survey shall be conducted on the site to determine if any special status plant species are located on the site. A copy of the report shall be submitted to the Community Development Department for review prior to the issuance of the Building Permit. Any rare plants shall be staked and the California Department of Fish and Game shall be immediately notified of their presence. If special status plants are found on the site and will be disturbed due to grading or construction, the Project developer shall protect or relocate the plant(s) as required by the respective resource agency. Copies of the surveys and measures to protect or relocate plants as required by the resource agency, shall be submitted to the City prior to the issuance of a grading or Building permit, whichever is issued first. b,c) Would the Project have a substantial adverse impact on riparian habitat or federally protected wetlands? LS/M Approximately .483 acres of United States Army Corps of Engineers (USACE) jurisdictional habitats (including .086 acres of jurisdictional waters and .397 acres of jurisdictional wetlands) occur on the site near the existing swimming pool and next to the horse barn (see Exhibit 12), based on the delineation submitted to the USACE. These areas will be required to be filled in to accommodate the Project which is a significant impact. The biologist for the Project (Olberding Environmental, Inc.) has applied for formal delineation of these jurisdictional habitats from the USACE. The following Mitigation Measure has been include to reduce impacts related to the loss in jurisdictional areas, resulting from the proposed Project, to a less than significant level: Mitigation Measure 18: Prior to issuance of a Building Permit or grading permit, the developer shall apply for and receive all required permits for formal delineation from the United States Army Corps of Engineers for the jurisdictional waters and jurisdiction wetlands on the Project site. Mitigation Measure 19: Prior to issuance of a Building Permit or a grading permit, the Project developers shall retain a qualified biologist (as determined by the City) to develop a plan to mitigate impacts to .397 acres of wetlands at a 2:1 ratio and impacts Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 54 to .086 acres of Waters of the United States, not including wetlands, at a 1:1 ratio (total mitigation for USACE jurisdictional waters will total .88 acres) through creation of new wetlands, or as otherwise approved by the Corps of Engineers. The Tassajara Creek is located adjacent to the site on the western side of the property. Construction of the roads and residential development will not occur within 100 feet from the top of the creek bank. Due to the location of the creek (adjacent to the west side of the property) the developer will be required to follow Mitigation Measures 3.7/6.0, 3.7/ 8.0, 3.7/13.0 and 3.7/14.0 and Mitigation Measure 25 (which requires a Stormwater Pollution Prevention Plan to be submitted for review and implemented during construction to limit erosion) to ensure that the creek will be protected during and after grading and construction to reduce erosion impacts to the creek related to the development of this site as a residential development. Although the residential dwelling units and roadways will be constructed outside of the creek setback, the new creekside trail and water quality pond will be located within the 100 foot creek setback. The encroachment for these types of features is permitted by the Eastern Dublin Comprehensive Stream Restoration Program, incorporated herein by reference and available for review in the Planning Division in City Hall located at 100 Civic Plaza in Dublin during normal business hours. In order to ensure the protection of the riparian resources and the creek during the construction of these improvements, the following Mitigation Measures have been included to reduce impacts to the creek and riparian resources to a less than significant level. Mitigation Measure 20: Construction and grading activities related to the trail system and water quality pond, located within the 100 foot creek setback, shall not occur during the wet season which occurs from October 1 through April 15. Mitigation Measure 21: Prior to issuance of a Building Permit or grading permit, a protection plan shall be prepared which details how the creek and riparian resources will be protected during construction of the trail and water quality pond. At a minimum, the plan shall include construction fencing, project schedule and measures for erosion control. d) Would the Project interfere with movement of native fish or wildlife species? LS/M. No native fish are located on the site because the Tassajara Creek is located outside of the property and no structures or construction activities are proposed in the creek. No significant wildlife movement was observed on or across the site and therefore it is not anticipated that the development will interfere with such actions. Construction of the Project is not anticipated to begin for a minimum of two years and there is a potential for special status animal species to be found on the site in the future due to the plant habitat on the site and future construction activities in the area. Incorporation of all of the Mitigation Measures discussed under section A, Mitigation Measures 7- 17, will reduce potentially significant impacts related to the movement of wildlife on the Project site to a less than significant level if special status species were found on the property in the future. e,f) Would the Project conflict with local policies or ordinances protecting biological resources or any adopted Habitat Conservation Plans or Natural Community Conservation Plans? NI. Although several large trees are present on the site, there are no trees on the site which meet the Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 55 requirements for protection under the City's Heritage Tree Ordinance according to the Tree Report and Inventory prepared by Hort Science in August of 2006, incorporated herein by reference and available for review in the Planning Division in City Hall located at 100 Civic Plaza in Dublin during normal business hours. The project plans include a Landscape Plan which shows that new landscaping will be planted throughout the site. The site is not located within the boundaries of any Habitat Conservation Plan. There are no other habitat conservation plans that are applicable to the Project. V. Cultural Resources A Cultural Resources Assessment was conducted by Basin Research Associates for the Project site and is incorporated herein and is available for review during normal business hours in City Hall in the Planning Division located at 100 Civic Plaza in Dublin. The Vargas residential area is located at the apex of a small hill/knoll and consists of a single story rectangular ranch house with attached garage, shed and swimming pool, and a combination garage with a lean-to. The ranch house is constructed of wooden vertical boards. The level land located at the base of the hill is currently used to stable horses. Two accessory structures are located along the western property line. The structures located on the property are not historical and are of no architectural importance (as noted in the Cultural Analysis). Eastern Dublin was previously surveyed in conjunction with the Eastern Dublin EIR. The survey identified several potentially significant archeological resources in Eastern Dublin, but did not indicate the presence of any resources on this property. Mitigation Measure 3.9/6.0 required project -level archeological surveys to be conducted as part of the application process in Eastern Dublin. A detailed cultural resources assessment was conducted on the Project site by Basin Research Associates in 2006. Neither the 1988 survey nor the 2006 site specific survey noted the presence of any cultural resources on the site. The Eastern Dublin EIR identified impacts 3.9/13, Disruption or Destruction of Unidentified Pre - Historic Resources and 3.9/13, Disruption or Destruction of Unidentified Historic Resources which relate to construction and grading activities that will occur on this site in the future. All Mitigation Measures adopted for these impacts and included in the Eastern Dublin EIR continue to apply to this Project. Project Impacts a) Would the Project cause substantial adverse changes to significant historic resources? NI. The 2006 Cultural Resources Assessment did not identify any historic resources on the site. Therefore, the possibility of encountering historic resources is considered remote and no impact is expected. b -d) Would the Project cause a substantial adverse change in the significance of an archeological resource or destroy a paleontological resource or unique geological feature or disturb human remains? LS/M. No cultural resources remain on the graded surface of the site. Any cultural resources which are currently buried beneath the ground surface would be re -buried by the proposed Project. The possibility does exist, however, that cultural resources could be buried on the site and could be discovered during excavation or grading of the site. In the event that such resources are encountered Mitigation Measures 3.9/5.0 — 6.0 in the Eastern Dublin EIR which require cessation of construction activities if historic or prehistoric remains are found and the development of an action plan in the event that remains are found and the following Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 56 mitigation measure have been included to reduce potential impacts to a less - than- significant level. Mitigation Measure 22: Despite negative results for archeological resources within the project area, the possibility that undetected prehistoric archeological resources might exist on the property must be recognized and a contingency plan shall be developed in accordance with CEQA Guidelines Section 15064.5 to handle discoveries during project construction. In the event that any prehistoric material is discovered, work shall be halted in the immediate vicinity of the site until a qualified archeologist inspects the discovery, and, if necessary implement a plan for further evaluative testing and/or retrieval of endangered materials. VI. Geology and Soils A Preliminary Geologic and Geotechnical Report was prepared for the property in 2006 by ENGEO Inc (incorporated herein as Appendix Q. The report determined that construction of the residential development was feasible on the site from a geotechnical standpoint. Stream Corridor The Eastern Dublin Comprehensive Stream Restoration Program adopted in June of 1996 requires a minimum 100 foot setback from the top of the bank of the Tassajara Creek to roads and structures in order to ensure both structural safety to buildings and related improvements adjacent to creeks and to provide a buffer of sensitive habitat within the creeks. The required setback is noted on the attached Stage 1 Development Plan in Exhibit 8. Seismic The Project area is part of the San Francisco Bay Area, a seismically active region. The significant earthquakes that occur in the Bay Area are generally associated with crustal movement along well - defined, active fault zones of the San Andreas Fault system, which regionally trend in a northwesterly direction. The San Andreas Fault, which generated the great San Francisco earthquake of 1906, passes southwest of the site. Two other major active faults in the area are the Hayward Fault and the Calaveras Fault. The Project area, however, is not located within an Earthquake Fault Zone for active faults and no faults are mapped on the site. Site Soils Fill material is located at the top of the creek bank and at the entrance to the site and consist of clayey sand and silty clay. Native soil on the site consists of silty clay and sandy clay interbedded with very dense silty sand cover bedrock. The clayey deposit has a generally stiff to very stiff consistency. Bedrock on the site consist of weathered claystone, siltstone and sandstone. Landform and Topography The site has a sloping topography. Existing elevations on the site range from approximately 466 feet above sea level near the top of the creek bank to 490 feet above sea level at Tassajara Road. The Vargas property sits below the existing Tassajara Road and slopes up from the bank of the Tassajara Creek. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 57 The Eastern Dublin EIR identified impacts 3.68, Earthquake Ground Shaking: Primary Effects, 3.6/D, Substantial Alteration to project Site Landforms, 3.6/I, Natural Slope Stability, 3.6/J Cut -and -Fill Slope Stability and 3.6/K Erosion and Sedimentation: Construction- Related which relate to the development of this project. All Mitigation Measures adopted for these impacts and included in the Eastern Dublin EIR continue to apply to this Project. Project Impacts a) Would the Project expose people or structures to potential substantial adverse impacts, including loss, injury or death related to ground rupture, seismic ground shaking, ground failure or landslides involving: i) Rupture of a known earthquake fault, as delineated on the most recent Aquist- Priolo Earthquake Fault Zoning Map issued by the State Geologist for the area or based on other substantial evidence of a known Fault (Refer to the Division of Mines and Geology Special Publication 42)? LS. The Project site is subject to ground shaking caused by a number of regional faults. Under moderate to severe seismic events which are probable in the Bay Area, buildings, utilities and other improvements would be subject to damage caused by ground shaking. The Project site is not located within the Alquist - Priolo Earthquake Safety Zone and therefore the potential for ground rupture is anticipated to be minimal. The project will be required to comply with Mitigation Measures 3.6/1.0 through 3.6/8.0 and 3.6/12.0 in the Eastern Dublin EIR which require that the development be designed to minimize alteration of the existing land and reduce groundwater impacts due to irrigation. During the Building Permit review of the project, the City will review the construction plans to ensure that the residential units will conform to all Uniform Building Code requirements which aim to reduce impacts associated with earthquakes in the area. With compliance with the Uniform Building Code, the Project will not be exposed to rupture of an earthquake fault to any degree greater than what was identified in the Eastern Dublin EIR. As a result, the effects on a seismic event on the Project will be less than significant. ii) Strong Seismic Shaking? LS. As discussed above, there are no active faults either on or within close proximity of the site. However, the site is subject to severe ground shaking from active and potentially active faults in the greater Bay Area, including the Hayward, San Andreas, Greenville and Calaveras Faults. The potential primary effects for earthquake ground shaking is common to the San Francisco Bay region and was identified as a significant and unavoidable impact in the Eastern Dublin EIR and a Statement of Overriding Considerations was adopted for Impact 3.68, Earthquake Ground Shaking, Primary Effects. The development can expect to experience at least one moderate to severe earthquake during the life span of the development. Ground shaking is a hazard that cannot be eliminated, however, it can be partially mitigated through proper attention to seismic structural design and observance of good construction practices. Construction of the Project will be required to conform to the California Building Code (CBC) at the time of Building Permit issuance in accordance with Mitigation Measure 3.6/1.0 of the Eastern Dublin EIR. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 58 Secondary effects of earthquake ground shaking include possible seismically induced landslides, differential compaction and/or settlement. Secondary effects were identified in the Eastern Dublin EIR as a potentially significant impact (Impact 3.6/C). The measures listed in the Eastern Dublin EIR to reduce ground shaking impacts will mitigate secondary impacts to a less than significant level. The proposed Project is consistent with the intended use of the property, as a residential development, as noted in the Eastern Dublin Specific Plan and Dublin General Plan and would not have any new or greater impacts, with respect to ground shaking, than identified in the Eastern Dublin EIR. The Project will be required to comply with Mitigation Measures 3.6/3.0 (removal of unstable materials), 3.6/4.0 (Applicant is required to improve the stability of fills), 3.6/5.0 (requires that fill settlement be reduced), 3.6/6.0 (project must be designed to accommodate settlement without failure) and 3.6/7.0 (a design level geotechnical report must be submitted in conjunction with a Building Permit). iii) Seismic related ground failure, including liquefaction ? LS. The Preliminary Geologic and Geotechnical Report (Appendix C) indicates that the site is comprised of silty clay and sandy clay interbedded with very dense silty sand over bedrock. The Report notes that the very fine - grained silty sand layers found on the site are not considered to be liquefiable due to the dense consistency. Based on the geotechnical report that was prepared for the site, there is no impact to the Project due to liquefaction. iv) Landslides? LS. As noted in the Geologic and Geotechnical Report, according to regional landslides maps, no landslides were mapped on the site or observed on the site by ENGEO, Inc. The Report does indicate that some of the fill located near the existing entrance to the site and at the top of the creek bank could result in impacts in the future. Adherence to Mitigation Measures 3.6/3.0 -7.0 and 3.6/20.0 — 26.0 in the Eastern Dublin EIR which require stability of the fill material and grading plans which conform to the Uniform Building Code will reduce these impacts to a less -than- significant level. b) Result in erosion and /or the loss of topsoil? LS. The construction of all of the land uses contained in the Eastern Dublin Specific Plan will have the potential to increase erosion in the area. The Project will be required to comply with Mitigation Measures 3.6/27.0 and 3.6/28.0 which requires the Project to prepare and implement erosion plans which ensures that this impact remains less - than- significant. Soil erosion and the loss of topsoil could occur during project grading and construction activities especially during the winter months when rainfall typically occurs, if the soils are not properly protected. The exposure of the dirt to rainfall and wind could result in soil erosion. The preliminary site plan (Exhibit 8) indicates that a water quality pond (detention pond) will be constructed on the west side of the property within the creek setback close to the development's internal road. Some of the surface water from the development will be directed into this pond. The Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 59 pond would allow sediment and debris from low -flow surface water to remain in the pond and not be discharged into the adjacent Tassajara Creek (located adjacent to, but outside of the property). The detention pond will remove most of the sedimentation and debris from the development. For the remainder of the surface water, the water will drain into a storm drain where it will attach to the storm drain system on Tassajara Road. Adherence to Mitigation Measures 3.6/27.0 and 28.0 in the Eastern Dublin EIR which require that grading activities be timed to avoid the rainy season as much as possible, that interim control measures be implemented to control runoff and that the Project reduce erosion potential, require appropriate design, construction and continued maintenance of surface and subsurface drainage to ensure that erosion and/or loss of topsoil impacts remain less than significant. c -d) Is the site located on soil that is unstable or expansive or may potentially result in landslides or collapse? LS/M. As discussed in the Geotechnical Report, some unengineered fill was placed on the site which ranges from 2 to 5 feet thick and is located at the entrance to the site and near the top of the creek bank. The Report recommends that this fill be removed and recompacted. The following Mitigation Measure is included to reduce impacts related to unstable soil to a less than significant level: Mitigation Measure 23: Site Preparation and grading recommendations to remove unstable fill materials included on page 3 in the Preliminary Geologic and Geotechnical Report prepared by ENGEO, Inc. for the Project site shall be incorporated into the grading plan. e) Does the Project site have soils incapable of supporting on -site septic tanks or alternative waste disposal systems? NI. The Project will be connected to a sanitary sewer system provided by the Dublin San Ramon Services District and therefore septic tanks or alternative waste disposal systems will not be used. VII. Hazards and Hazardous Materials The project site is currently developed with one residential dwelling unit with a few accessory structures and has been used for residential purposes since the 1960's. Pursuant to Government Code Section 65962.5, the site is not located on a hazardous waste and substance site. The Eastern Dublin Environmental Impact Report did not address any impacts related to Hazards and Hazardous Materials. Project Impacts a, b, c) Would the Project create a significant hazard to the public through the transport, use, disposal or emission of hazardous materials? LS. The proposed use of the site is residential with some open space, landscape areas and a driveway. Only minor quantities of potentially hazardous materials including lawn chemicals, household solvents, pesticides and similar items would be associated with the development that would pose a less than significant impact. d) Would the Project be located on a site which is included on a list of hazardous materials sites? NI. Pursuant to Government Code Section 65962.5, the site is not located on a hazardous waste and Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 60 substance site. Additionally, the site has primarily been used as a residence since the 1960's and typically this use does not have hazardous waste associated with it. e, f) If the site is located within an airport land use plan or within the vicinity of a private airstrip, would the Project result in a safety hazard for people working or residing in the area? NI. The project is not located within an airport land use plan or within the vicinity of a private air strip. The Project area is located approximately four miles northwest of the Livermore Municipal Airport. g) Would the proposed Project impair the implementation of the adopted emergency response plan or emergency evacuation plan? LS. Adequate emergency access will be provided in the area through the existing streets. City Staff including the Alameda County Fire Department and the Dublin Police Services Department have reviewed the site plan included with the Stage 1 Development Plan. Both the Police Services Department and the Alameda County Fire Department have determined that adequate access is provided to the site via the two access points and the break in the median along Tassajara Road to allow to entry points into the site from northbound Tassajara Road. h) Would the proposed project expose people or structures to a significant risk of loss, injury or death involving wildland fires? LS/M. The Project site is located near undeveloped areas and although the Project site is not located within a Fire Buffer Zone, there is a potential for wildland fires. Additionally, the project site is located approximately 2 miles from the nearest fire station. The City's adopted Wildfire Management Plan aims to reduce wildfire impacts on residential dwellings. The Plan requires developers to design the dwelling units in order to provide features such as Class A roof materials, fire sprinkler, approved landscape materials and building materials. In order to ensure that the proposed development will be adequately designed with respect to safety the following mitigation measure has been included to reduce these impacts to a less -than- significant level and the Project will be reviewed for compliance with this Mitigation Measure when detailed construction plans are submitted: Mitigation Measure 24: The development shall be designed in such a manner as to comply with relevant provisions of the City of Dublin's Wildfire Management Plan. The development shall also include automatic sprinklers on all of the homes. The design of the Project shall comply with all Alameda County Fire Department rules and regulations, City of Dublin standards and the California Fire Code. VIII. Hydrology and Water Quality. The project site has a gently sloping topography and the Tassajara Creek is located adjacent to the Project site on the west side of the property. The Federal Emergency Management Agency (FEMA) has determined that this property is located outside of a special flood hazard area (Map date November 2002). The Dublin San Ramon Services District (DSRSD) operates the water distribution system that supplies water to the City of Dublin. The Alameda County Flood Control and Conservation District (Zone 7) owns the water supply. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 61 The Project site currently drains to the Tassajara Creek by overland flow or via a road -side swale along Tassajara Road. A Hydrology/Drainage Report was prepared in September of 2006 by Ruggeri, Jensen, Azar and Associates which reviewed the proposed residential development on the Project site. This report is incorporated herein and is attached to this Mitigated Negative Declaration as Appendix D. As development continues to occur in the Eastern Dublin Specific Plan area, more impervious surfaces would be created by paved street, houses, sidewalks, driveways and patios. The additional impervious surfaces (over what currently exists on the site) will increase water runoff to the creek and drainage channels in the area. Water quality in California is regulated by the United States Environmental Protection Agency's (EPA) National Pollution Discharge Elimination System (NPDES) which controls the discharge of pollutants to water bodies from point and non -point sources. In the San Francisco Bay Area, this program is administered by the San Francisco Bay Area Regional Water Quality Control Board ( RWQCB). Federal regulations were issued in November 1990, and were recently updated to expand the authority of the RWQCB to include permitting of storm water discharges from municipal storm sewer systems, industrial processes and construction sites which will disturb an area which is larger than one acre. The City of Dublin is a co- permittee of the Alameda County Clean Water Program (ACCWP) which is a coordinated effort by local governments in Alameda County to improve the water quality of the San Francisco Bay. A potential impact to storm water quality is from non -point sources of water pollution. Nonpoint source (NPS) pollution, unlike pollution from industrial and sewage treatment plants, comes from many diffuse sources. NPS pollution is caused by rainfall moving over and through the ground. As the runoff moves, it picks up and carries away natural and human-made pollutants, finally depositing them into lakes, creeks, wetlands, coastal waters, and underground sources of drinking water. These pollutants include, but are not limited to fertilizers, herbicides, insecticides, oil, sediment from construction sites, eroding creek banks and pet waste. The Eastern Dublin EIR identified impacts 3.5/P, Overdraft of Local Groundwater Resources 3.5/Y, Potential Flooding, 3.5/Z, Reduced Groundwater Recharge and 3.6 -J, Cut and Fill Slope Stability which relate to the development of this site as a residential development which increases the amount of impervious surfaces on the site. All Mitigation Measures in the Eastern Dublin EIR for these impacts continue to apply to this Project. Project lmpacts a) Would the Project violate any water quality standards or waste discharge requirements? LS/M. Construction of the Project would require grading in order to construct the building pads, roadways, utilities and other improvements. The Stage 1 Development Plan indicates that due to the topography on the site, grading and filling activities will occur on the site. The proposed grading and fill activities are anticipated to increase the possibility of soil erosion into the creek located adjacent to the Project site, during these activities, which could be a potentially significant impact. The following Mitigation Measure will ensure that potential water quality impacts as a result of the Project are reduced to a less- than - significant level: Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 62 Mitigation Measure 25: The developer of the Vargas property shall prepare a Stormwater Pollution Prevention Plan ( SWPPP) which lists Best Management Practices to reduce construction and post - construction activities to a less -than- significant level. Measures may include, but shall not be limited to revegetation of graded areas, silt fencing and the use ofbiofilters within landscape areas. The SWPPP shall conform to standards adopted by the Regional Waster Quality Control Board and the City of Dublin. The SWPPP shall be approved by both agencies and shall obtain a Notice of Intent from the State Water Resources Control Board prior to the issuance of grading permits. b) Would the Project substantially deplete groundwater recharge areas or lowering of water tables? LS. The Eastern Dublin EIR discussed Impacts 3.5P, Overdraft of Local Groundwater Resources and 3.5/Z, Reduced Groundwater Recharge, and conformance with Mitigation Measures 3.5/25.0, 3.5/49.0 and 3.5/50.0 in the Eastern Dublin EIR encourage connection to a public water system, such as DSRSD, to plan facilities and manage programs to protect water quality and to support groundwater recharge programs. These measures will reduce impacts to groundwater recharge and water tables to a less - than- significant level. Mitigation Measure 3.5/6.0 requires developers to install water conserving features such as low flow toilets and shower heads in the development and compliance with this mitigation measure will be reviewed when detailed construction plans are submitted for this development during the Building Permit phase of the Project. c) Would the Project substantially alter drainage patterns or result in flooding on or off the project site which would result in substantial erosion or siltation on- or off -site ? LS/M. The Eastern Dublin EIR anticipated that implementation of the land uses in the Eastern Dublin Specific plan with related grading and re- contouring, would change the existing natural drainage patterns. Grading, fill and recontouring of the Project site will change the natural drainage patter of the site. The existing site slopes up to Tassajara Road and most of water drains down towards the creek. As part of the Project, the site will be graded so that it is relatively flat. Stormwater runoff from the development would eventually flow to the appropriate Zone 7 facility via a storm drainage system. The Project site is located in the Eastern Dublin Specific Plan area and facilities to support storm water runoff from the Project site were previously planned for. Mitigation Measure 25 above has been included to require a Stormwater Pollution Prevention Plan ( SWPPP) to reduce runoff impacts to a less- than- significant level. d) Would the Project substantially alter drainage patterns or result in flooding either on or off the Project site which would result in flooding on- or off -site? LS. As discussed above, construction of the proposed Project will alter existing drainage patterns within the area. Drainage on the site will be required to connect with existing and planned drainage improvements within the Eastern Dublin planning area. Utility and Grading plans, which show compliance with this, will be required to be submitted in conjunction with the Stage 2 and Site Development Review for the residential development and subsequent Building Permit application. The Project will also be required to conform to Mitigation Measure 3.5/44.0, 3.5/46.0 and 3.5/47.0 in the Eastern Dublin EIR which requires adequate planning of the development and on -site drainage to minimize flooding as a result of the development. The Stage 1 Development Plan indicates that a water quality detention basin will be constructed near the creek bank and drainage will be diverted to this basin or the existing storm drain on Tassajara Road which will in a less than significant potential for flooding. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 63 e) Would the Project create stormwater runoff that would exceed the capacity of drainage systems or add substantial amounts ofpolluted runoff? LS/M. Construction of the Project is anticipated to lead to an increase in stormwater runoff from the Project site due to the increase in impervious surfaces on the site. The following Mitigation Measure will reduce this impact to a less -than- significant level by requiring the developer to pay for the development's fair share of improvements necessary to support development in Eastern Dublin: Mitigation Measure 26: In accordance with the City's Municipal Stormwater Permit, Section C.3, a drainage and hydrology study shall be submitted to the City of Dublin Public Works Department, including historic drainage flows from the site, estimated increases in the amount of stormwater runoff and the ability of downstream facilities to accommodate flow increase shall be submitted prior to the issuance of grading permits. This report shall also document the project's fair share contribution to fund any improvements in downstream facilities that are required to support this project and shall be submitted with the Stage 2 Rezone and Site Development Review plans. A water quality detention pond will be constructed adjacent to the Tassajara Creek to treat surface water runoff from a portion of the Project site. Storm drains which will divert some of the runoff to the existing storm drain system on Tassajara Road will also be constructed. The Eastern Dublin Specific Plan and Dublin General Plan anticipated a dense residential development on the site and the Project will not create more impervious surfaces than were anticipated in the Eastern Dublin EIR. The following Mitigation Measures have been included to reduce impacts related to new surface drainage and storm drains on the Project site: Mitigation Measure 27: The siting of the storm drainage infrastructure shall be consistent with the Resource Management Policies of the Eastern Dublin Specific Plan. f) Would the Project substantially degrade water quality? LS/M. The proposed project would not degrade water quality. As discussed above, mitigation measures included in the Eastern Dublin EIR and Mitigation Measure 25, which requires a SWPPP, will reduce water quality impacts to a less than significant level. g) Would the Project place housing within a 100 year flood hazard area as mapped by a Floor Insurance Rate Map? NI. No portion of the Project site is located within a flood hazard area as defined by the Federal Emergency Management Agency. h) Would the Project place within a 100 year flood hazard boundary structures that impede or redirect flood flows? NI. No portion of the Project site is located within a flood hazard area as defined by the Federal Emergency Management Agency. i) Would the Project expose people or structures to a significant risk of loss, injury or death involving inundation by seiche, tsunami or mudflow? NI. There are no bodies of water located nearby that could impact the Project due to either a seiche or tsunami, therefore there is no impact to this project. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 64 J) Would the Project result in inundation by seiche, tsunami or mudflows? LS. The site is not located near a significant body of water which could result in a seiche. The risk of a potential mudflow is considered low since no historic mudflows or landslides have been identified on the site. There are no bodies of water located nearby that could impact the Project due to either a seiche or tsunami IX. Land Use and Planning The Project site is located within the Eastern Dublin Specific Plan Area, but is located outside of the City Limit line. The proposed Project is located across Tassajara Road from the Moller Ranch/Casamira Valley project which is currently under review and will include attached and detached dwelling units. Wallis Ranch is located to the west of this property and a Site Development Review to allow up to 1,094 dwelling units on the property is currently under review. The properties located to the north and south of the project site are each currently developed with one residential unit and accessory structures and the Eastern Dublin Specific Plan land use designation for the property to the north is Medium- Density Residential and the property to the south is Medium/High- Density Residential and Neighborhood Commercial. The Eastern Dublin EIR did not identify any impacts related to Land Use and Planning resulting from development of Eastern Dublin. Project Impacts a) Would the proposed Project physically divide an established community? NI. The project site is currently developed with a residential dwelling unit and accessory structures and has been planned for residential development since the adoption of the Eastern Dublin General Plan Amenendment and Specific Plan. The proposal includes an amendment to the existing land use designations of Medium - Density and Medium/High- Density Residential to Medium- Density Residential which will lower the exiting density on the site and will be more compatible with the surrounding area. Therefore, the proposed project including a Specific Plan and General Plan Amendment would not disrupt the established community. b) Would the Project conflict with any applicable land use plan, policy or regulation? NI. The proposed Project includes a General Plan and Specific Plan Amendment for the proposed reduction in density. c) Would the Project conflict with a habitat or natural community conservation plan? NI. A Habitat or natural community conservation plan has not been adopted for this area and therefore development on the project site would not impact an established plan. X. Mineral Resources The Project site contains no known mineral resources. There are currently no mining activities on the site and there is no evidence that mining occurred in the past. Project Impacts a, b) Would the project result in the loss of availability of significant mineral resources? NI. No known sources of mineral resources exist on the site; therefore there is no foreseeable impact. . Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 65 XI. Noise Major sources of noise on and adjacent to the project site include noise generated by vehicles on Tassajara Road. Figure 3.1OB in the Eastern Dublin EIR indicates that noise levels on Tassajara Road will reach or exceed 60 CNEL (Community Noise Equivalent Level). The Eastern Dublin EIR identifies this impact (Impact 3.10 /A) as a significant impact and includes several mitigation measures aimed at reducing noise impacts on residential dwellings. The Eastern Dublin EIR identified Impacts 3.10 /A, Exposure of Proposed Housing to Future Roadway Noise, 3.10/13, Exposure of Existing Residences to Future Roadway Noise, 3.1 O/D, Exposure of Proposed Residential Development to Noise from Future Military Training Activities at Parks Reserve Forces Training Area (Camp Parks RFTA) and the County Jail and, 3.10 /E, Exposure of Existing and Proposed Residences to Construction Noise which relate to the proposed development. All Mitigation Measures in the Eastern Dublin EIR for the impacts will apply to this Project. Project Impacts a, d) Would the Project expose persons or generation of noise levels in excess of standards established by the General Plan or other applicable standards? LS /M. Construction of the residential development would result in short term noise impacts during construction of the development. The developer of the Project will be required to comply with Mitigation Measures 3.10/4.0 and 3.10/5.0 in the Eastern Dublin EIR which requires the developer to prepare a construction noise management plan to minimize impacts of construction noise. The developer will also be required to submit an acoustical analysis to show how the interior noise level of the residential units will be controlled to a CNEL of 45 dB as required by Mitigation Measure 3.10/1.0 in the Eastern Dublin EIR. The developer will also be required to provide noise barriers or berms or include other measures to provide noise control for outdoor spaces. This analysis will be required to be submitted with the detailed construction plans which will provide specific information on how the interior noise level will be reduced. The Stage 2 and Site Development Review plans will be required to show how noise will be reduced in outdoor spaces. With the incorporation of the following Mitigation Measure, noise impacts to the Project site will be less than significant: Mitigation Measure 28: The Stage 2 and Site Development Review plans shall show noise barriers, berms or solid fencing, which are attractively designed, to control noise in outdoor spaces (including rear and side yards) to comply with applicable noise standards. A noise study shall be prepared for the development and submitted with the detailed construction plans prior to issuance of a Building Permit. The noise study shall evaluate noise impacts of traffic on Tassajara Road on the Project. The construction plans shall include the measures recommended in the analysis and the interior noise level shall be brought to 45 dBA or less b) Would the Project expose persons to excessive groundborne vibration or groundborne noise levels? NI. No impacts are anticipated for groundborne vibration or noise, since no sources of Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 66 vibration currently exist or will exist within or adjacent to the Project, such as heavy industrial facilities or railroads. c, d) Would the Project substantially increase permanent or periodic ambient noise levels? NI. The proposed Project may result in an increase in noise levels in the area due to an increase in traffic in the area. The increase in traffic will be lower than what was previously studied in the Eastern Dublin EIR due to the reduction in the number of dwelling units on the site, however the noise generated by the auto trips related to the new development are an unavoidable impact. A Statement of Overriding Considerations (Impact 3.10 /B) was adopted for this impact on the Eastern Dublin EIR and there is no additional impact beyond that analyzed in the Eastern Dublin EIR. Additional noise will be generated on a temporary basis during grading activities and construction of the residential units. This noise would be generated by trucks activity, construction equipment and tools. Mitigation Measure 3.104.0 requires that the developer submit a Construction Noise Management Plan to minimize noise impacts on residents which will include a construction and grading schedule, construction hours and other noise limiting measures. This Plan will be required to be approved prior to issuance of a Building Permit. e,f) For a Project located within an airport land use plan or within two miles of an airport, would the project expose people to excessive noise levels? NI. The property is located approximately four miles from the Livermore airport and is not within an airport land use plan; therefore there is no impact. XH. Population and Housing The adopted Eastern Dublin Specific Plan anticipates that there will be 13,648 dwelling units in Eastern Dublin at full build out. The City population as of January 1, 2006 was estimated by the State Department of Finance to be 41,907. The Association of Bay Area Governments (ABAG) Projections 2005 estimates that the City's population will grow to 50,000 in 2010 and will grow to 78,200 by the year 2030. The Eastern Dublin EIR did not identify any impacts related to population and housing resulting from development of Eastern Dublin. Project Impacts a) Would the Project induce substantial population growth in an area, either directly or indirectly? NI. Annexation and development of the site was planned for in the Eastern Dublin Specific Plan and Dublin General Plan. The potential for growth inducing impacts of development under the General Plan was analyzed in Section 5.2 of the Eastern Dublin EIR and in the Response to Comment 32 -55 of the Eastern Dublin Final EIR. The proposed residential development of 33 units would not substantially increase the number of people in the area. The proposed number of units is lower than the 110 units which are currently permitted for this property based on the existing land use designations of Medium- Density and Medium/High- Density Residential and the 55 units assumed in the Eastern Dublin EIR. Because the proposed number of dwelling units is lower than what was planned for in the Eastern Dublin Specific Plan and Dublin General Plan, the Project will not induce a substantial population growth in this area over what was reviewed in the Eastern Dublin EIR. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 67 b, c) Would the Project displace a substantial number of existing housing units or people? LS. The existing site has one residential dwelling unit which would be removed in conjunction with development on the site. The removal of this unit would not displace a large number of people. XHL Public Services Fire Protection: The City of Dublin contracts with the Alameda County Fire Department for fire protection services including fire suppression, fire prevention, education, inspection services and hazardous material control to the community. The Eastern Dublin EIR identified impacts 3.4/C, Demand for Increased Fire Services, 3.4/13, Fire Response to Outlying Areas and 3.4/E, Exposure to Wildlands Hazards which relate to the provision of fire services and safety of residents on the site as a result of the proposed development. All mitigation measures adopted for these impacts continue to apply to this Project. Police Protection: The City of Dublin contracts with the Alameda County Sheriff Department to provide 24- hour security patrols throughout the community in addition to crime prevention, crime suppression and traffic safety. The Eastern Dublin EIR identified impacts 3.4/A, Demand for Increased Police Services and 3.48, Police Services Accessibility, which all relate to the new development and increase in residents on the site. All mitigation measures adopted for these impacts continue to apply to this Project. Schools. The Dublin Unified School District (DUSD) provides educational services to residents in the City of Dublin. The Eastern Dublin EIR identified impacts 3.4/F, Demand for New Classroom Space, 3.4/G, Demand for Junior High Schools, 3.4/H, Overcrowding of Schools, 3.4/I, Impact on School Financing District Jurisdiction, and 3.4/J, Financial Burden on School Districts which relate to the development of this site. All mitigation measures adopted for these impacts continue to apply to this Project. Parks. Public parks are provided throughout the area by the City of Dublin. Parks in the City and area include neighborhood parks and community parks. The Eastern Dublin EIR identified impacts 3.4/K, Demand for Park Facilities, 3.4/L, Park Facilities and Fiscal Impact, and 3.4/M, Impact on Regional Trail System which relate to the development of this site and an increase in demand for park facilities due to an increase in residents in the area. All mitigation measures adopted for these impacts continue to apply to this Project. Other Public Services: Maintenance of public streets, roads and other governmental facilities are the responsibility of the City of Dublin Public Works Department. Solid waste services are provided by Amador Valley Industries. The Eastern Dublin EIR identified impacts 3.4/0, Increased Solid Waste Production, and 3.4/P, Impact on Solid Waste Disposal Facilities which relates to an increase in solid waste service demand on the site. All mitigation measures adopted for these impacts continue to apply to this Project. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 68 Project Impacts a) Would the Project result in impacts associated with the provision of the following services? i) Fire protection? LS/M. Construction of the proposed project would increase demand for fire and emergency services on the site. As part of Site Development Review and Building Permit Review of this project, specific fire protection requirements will be imposed to ensure compliance with the California Fire Code. The Project will be required to comply with Mitigation Measures 3.4/6.0- 3.4/11.0 which require Applicants to fund new fire facilities in the Eastern Dublin planning area, ensure adequate water supplies and pressure for fire suppression and minimize wildland fire hazards. Adherence to these measures will reduce these impacts to a less- than - significant level. Additionally, the Project will be required to comply with Mitigation Measure 17 contained in this Mitigated Negative Declaration which requires the residential development to be designed in such a manner as to reduce impacts associated from wildland fires and ensure adequate emergency access on the site. ii) Police protection? LS. An increase in the demand for police services may occur as a result of the new development. The Project was preliminarily reviewed with respect to safety and as part of the Site Development and Building Permit review process, specific security requirements will be continued to be review on the Project when more detailed plans are submitted (including lighting levels and locations) to ensure compliance with applicable provisions of the City of Dublin Municipal Code and in accordance with Mitigation Measure 3.4/5.0. iii) Schools? LS. Construction of the new residential development will increase the demand for school facilities over what currently exists on the site but less than what was assumed in the Eastern Dublin EIR. Payment of statutory school mitigation fees is deemed full mitigation of school impacts under SB 50. iv) Parks? LS. Construction of the development will result in an increase in demand for park facilities over what currently exists on the site. Prior to the issuance of a Building permit, the developer will be required to pay a Public Facilities Fee in accordance with Mitigation Measure 3.4/24.0. The Public Facilities Fee collected by the City from developers allows the City to construct, upgrade and maintain park facilities to meet the demands of new developments. Additionally, in accordance with Mitigation Measure 3.4/36.0, the Stage 1 Development Plan proposes a public trail adjacent to the stream corridor to provide access to the open space area to minimize impacts of the development on open space connections (Impact 3.4/N). v) Other Public Services? Maintenance of public facilities, including roads? LS. Approval of the project would increase the long -term maintenance demand for roads. However, funding to meet the additional demands will be provided by project payment of the City's Public Facilities Fee and Traffic Impact Fee and any other applicable fee program. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 69 Solid waste generation? LS. Approval of the Project would increase generation of solid waste during construction and during the life of the buildings. The Project will be required to provide adequate access for garbage trucks for pick -up services. Additionally, the City's current waste provider, Amador Valley Industries, provides garbage, recycling and organics (yard and food waste) curbside pick -up which aims to reduce the amount of waste sent to area landfills as discussed in Mitigation Measures 3.4/37.0- 3.4/40.0. XIV. Recreation Nearby community and recreational facilities include: two future neighborhood parks, the Ted Fairfield Park (near the Project site) and the proposed neighborhood park on the Moller Ranch/Casamira Valley Project Site located across Tassajara Road. The Project will also be served by the Emerald Glenn Park, Dublin Swim Center, the Dublin Sports Park, the Dublin Library and many other parks and recreational areas in the City. Regional recreation facilities are provided by the East Bay Regional Park District. Project Impacts a) Would the project increase the use of existing and neighborhood or regional parks? LS. The proposed residential development will result in an increase in demand for recreational facilities due to an increase in the population on the Project site. The developer will be required to pay a Public Facilities Fee in order to offset impacts of the development by ensuring adequate facilities are provided in the City and maintained to comply with Mitigation Measures 3.4/29.0- 3.4/31.0, in the Eastern Dublin EIR which requires the developer to pay or install their fair share of planned park facilities, among other things. The Stage 1 Development Plan (Exhibit 8) indicates that a trail system will be constructed on the interior of the property which will connect to Dublin Boulevard and run parallel to the Tassajara Creek as required by Mitigation measure 3.4/32.0 in the Eastern Dublin EIR which requires that adequate trail systems are provided. This trail system will benefit residents in the area as well as residents in the new development. The trail may also be used to connect to the Casamira Valley development, located to the east of this property, which has an extensive trail system. b) Does the Project include recreational facilities or require the construction or expansion of facilities which may have an adverse impact on the environment? LS. The proposed Project does not include any recreational facilities and will not require expansion of any facilities due to the low number of dwelling units. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 70 XV. Transportation/Traffic Development on this site was assumed in the traffic study for the Eastern Dublin EIR (Chapter 3.3 of the EDEIR) and has also been assumed in buildout conditions in subsequent EIRs in the City, such as the Dublin Ranch West/Wallis Ranch certified EIR (hereafter, Wallis Ranch SEIR). Traffic impacts as a result of the proposed Project are less than the midpoint development potential of approximately 55 units which was studied in the Eastern Dublin EIR and subsequent Eastern Dublin EIRs because the development potential on the Property has been reduced to 33 units (which is significantly lower than the 110 units allowed with the current land use designations). The Traffic Study for Moller Ranch/Casamira Valley (Kimley -Horn and Associates, July 2006, hereafter "Traffic Study"), included the Vargas property. The Traffic Study included a review of the Vargas property with a total of 86 units based on the maximum General Plan density. The Traffic Study is attached as Appendix E, is incorporated herein by reference, and is available for review at the Planning Division, Dublin City Hall, 100 Civic Plaza, Dublin CA, 94568. The Traffic Study was incorporated as part of the draft Supplemental Environmental Impact Report for the Moller Ranch/Casamira Valley project and indicated that development on the Vargas property would result in 313 daily in and 313 daily out trips as a result of the development of 86 units on the site. According to the City's Traffic Engineer, the proposed 33 dwelling unit residential project would result in 125 daily in and 125 daily out trips which are 188 trips less, each, than assumed in the Traffic Study. Existing Transportation Network The project site is served by a number of regional freeways and local arterial and collector roadways including: Interstate 580 — An eight lane east -west freeway that connects Dublin with local cities such as Livermore to the east and Hayward and Oakland to the west. Interchanges near the project site include Dougherty/Hopyard Road, Hacienda Drive, Tassajara Road/Santa Rita Road and Fallon Road/El Chano Road. Interstate 680 - A six -lane north -south freeway through Alameda and Contra Costa Counties that connects Dublin to local cities such as San Ramon and Danville to the north and Pleasanton and Fremont to the south. In 2002, the new southbound I -680 two -lane flyover connecting to eastbound I -580 was completed and opened to traffic. A direct one -lane connector ramp also exists connecting northbound 1 -680 to eastbound I- 580. Dougherty Road — A six lane road between Dublin Boulevard and I -580 (the road continues as a six lane road as Hopyard Road in Pleasanton). This road reduces to four lanes from Dublin Boulevard to the Alameda County /Contra Costa border where it reduces to two lanes. Dublin Boulevard — This is a major arterial roadway in the City. The road extends from the western City Limits and will connect with Fallon Road (in the east) in the future. Hacienda Drive — An arterial roadway designed to provide access to I -580. This road contains six lanes south of I -580 and four lanes north of Dublin Boulevard. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 71 Arnold Drive — This is a north -south two lane road which connects Gleason Drive to Dublin Boulevard. The road will extend south of Dublin Boulevard in the future to connect with the Dublin Transit Center. Gleason Drive — This is an east -west two -lane road parallel to and north of Dublin Boulevard. Gleason Drive runs from Arnold Drive to Fallon Road. Portions of Gleason Drive are four lanes and a portion of this road is two lanes. Tassajara Road — This road extends from Santa Rita Road at I -580 to the Town of Danville (where it becomes Camino Tassajara). The road is a four lane road which turns into a two lane road in the more rural areas of the City. Santa Rita Road — A six lane divided urban arterial roadway from the I -580 interchange south to Valley Avenue in Pleasanton. This road primarily serves the east side of Pleasanton, including the Hacienda Business Park and provides access to downtown Pleasanton. Fallon Road — A two lane road which extends from I -580 and connects with Gleason Drive. In the future, Dublin Boulevard will be extended and will connect with Fallon Road and Fallon Road will connect with Tassajara Road. Existing Transit Services Altamont Commuter Express (ACE) Rail - The Altamont Commuter Express operates three trains per day between Stockton and San Jose. The trains provide westbound service in the morning and eastbound service in the evenings. The ACE train has stations in Livermore near the downtown and on Vasco Road. The train also has one stop in Pleasanton on Pleasanton Avenue near Main Street. The Pleasanton ACE train station is likely to be used by Dublin commuters and bus services connect to the station which provides a transit link to Dublin. Livermore Amador Valley Transit Authority (also known as WHEELS)- The Livermore Amador Valley Transit Authority provides bus service to the communities of Dublin, Pleasanton and Livermore. Several lines provide service to Eastern Dublin. The closest stop near the Project site is on Dublin Ranch Road near Tassajara Road (south of the Vargas property). The WHEELS bus system connects to both the ACE train and the BART station. It is expected that the existing bus lines will be expanded further as additional homes are built in the Eastern Dublin area. Dial -A -Ride (DAR) - Dial -A -Ride is a bus service which will pick a resident up and drop the resident off at a desired location, by appointment. DAR is available for residents in Dublin, Pleasanton and Livermore who have a disability or heath related condition and are unable to board the bus or are unable to get to a bus stop. Bay Area Rapid Transit (BART) - BART operates trains between the Dublin/Pleasanton BART Station near Hacienda Drive and the Oakland/San Francisco area. Service is available seven days a week. The BART station is accessible by automobile, the bus system, bicycles, pedestrians and private shuttles. BART anticipates that construction will begin on a new BART station in Western Dublin in 2007, however it is anticipated that residents of the Vargas Project will likely use the station near Hacienda Drive. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 72 Existing Levels of Service. The existing AM and PM peak hour traffic volume counts were conducted at nine existing study area intersectioi in April 2005. The study intersections include the following existing and future intersections. 1. Dougherty Road / Dublin Boulevard 2. Hacienda Drive / I -580 Eastbound Ramps 3. Hacienda Drive / I -580 Westbound Ramps 4. Hacienda Drive / Dublin Boulevard 5. Santa Rita Road / I -580 Eastbound Ramps - Pimlico Drive 6. Tassajara Road / I -580 Westbound Ramps 7. Tassajara Road / Dublin Boulevard 8. Tassajara Road / Fallon Road (Future Intersection) 9. Fallon Road / Dublin Boulevard (Future Intersection) 10. El Charro Road / I -580 Eastbound Ramps 11. Fallon Road / I -580 Westbound Ramps 12. Fallon Road / Street "E" (Future Intersection) 13. Tassajara Road / North Project Access (Future Intersection) 14. Tassajara Road / South Project Access (Future Intersection) Table 3, below, summarizes the results of the signalized and unsignalized intersection level of service analyses fi existing conditions. Detailed calculations are contained in Appendix 8.6. Currently, all nine existing study intersections operate at acceptable service levels during the peak hours. Table 3: Existing Intersection Levels of Service Study Intersection AM Peak Hour PM Peak Hour V/C I LOS V/C LOS Signalized Intersections Dougherty Road/Dublin 0.60 A 0.77 C Boulevard Hacienda Drive/1 -580 Eastbound 0.53 A 0.42 A Ramps Hacienda Drive/I -580 Westbound 0.33 A 0.33 A Ramps Hacienda Drive/Dublin 0.24 A 0.50 A Boulevard Santa Rita/I -580 Eastbound Off- 0.37 A 0.45 A Ram /Pimlico Drive Tassajara Road/1 -580 Westbound 0.38 A 0.36 A Ramps Tassajara Road/Dublin Boulevard 0.35 A 0.41 A Tassajara Road/Fallon Road N/A N/A N/A N/A Future Intersection) Fallon Road/Dublin Boulevard N/A N/A N/A N/A Future Intersection Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 73 Study Intersection AM Peak Hour PM Peak Hour V/C LOS V/C LOS Fallon Road/Street "E" (Future N/A N/A N/A N/A Intersection Tassajara Road/North Project Access (Future Intersection N/A N/A N/A N/A Tassajara Road/South Project N/A N/A N/A N/A Access Future Intersection Unsignalized Intersections El Charro Road/I -580 EB Off- 9.1 A 19.7 C ram Fallon Road/I -580 WB Off -ramp 9.6 A 9.2 A Source: Casamira Valley Traffic Study, Kimley -Horn and Associates, 2006 Standards of Significance. The following standards of significance are used in the Initial Study traffic analysis. Intersections. An impact would be significant if an intersection previously mitigated to an acceptable level would now exceed acceptable levels. In addition, an impact would be significant if a new intersection is identified as exceeding acceptable levels and if such intersection was not previously identified in the Eastern Dublin EIR as a study intersection. The Dublin General Plan requires that the City strive for LOS D at intersections. (General Plan Circulation and Scenic Highways Guiding Policy F). Routes of Regional Significance. With respect to routes of regional significance, an impact would be significant if such routes would fail to comply with the applicable standard of the General Plan. The General Plan requires the City to make a good faith effort to maintain LOS D on arterial segments of, and at the intersections of, routes of regional significance (Dublin Boulevard, Dougherty Road, Tassajara Road and San Ramon Road) or implement transportation improvements or other measures to improve the level of service. If such improvements are not possible or sufficient, and the Tri- Valley Transportation Council cannot resolve the matter, the City may modify the level of service standard assuming other jurisdictions are not physically impacted (General Plan Circulation and Scenic Highways Guiding Policy E). Road Segments. The maximum Average Daily Traffic (ADT) threshold standards of the General Plan for two -lane roadways (15,000 vehicles per day), four -lane roadways (30,000vpd), six -lane roadways (50,000 vpd), and eight -lane roadways (70,000 vpd) are used to determine the through lane requirements. Freeway Segments. The LOS for a freeway segment is based on peak hour traffic volumes in terms of number of passenger cars per hour. Similar to intersection operation, the 2000 Highway Capacity Manual ranks volume -to- capacity ratios for freeway segment operation ranging from LOS A (freeflow condition) to LOS F (highly congested condition). LOS E represents "at capacity" operation. The standard for freeway impacts is based upon the Alameda County Congestion Management Agency (ACCMA) monitoring standards and is established at LOS E. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 74 Public Transit. Public transit impacts would be significant if the demand for public transit service would be increased above that which could be accommodated by local transit operators or agencies. Traffic Safety. CEQA allows for consideration of increased hazards on roadway facilities as part of the basis for identifying standards of significance. A significant traffic safety impact would include a design feature, such as a sharp curve or dangerous intersection, that would not be consistent with City of Dublin engineering design standards or standards published by other traffic engineering professional organizations. Baseline Conditions Baseline conditions are existing conditions with the addition of traffic from approved and pending projects in Dublin, Pleasanton and Dougherty Valley as discussed in the Traffic Study. For Baseline conditions, three of the future intersections (Tassajara Road/Fallon Road, Fallon Road/Dublin Boulevard, Fallon Road/Street "E ") are assumed to be in place and signalized as part of other development improvements expected in the area. The northeasterly leg of the Tassajara Road/Fallon Road intersection will be constructed as part of the Fallon Crossings development. The Fallon Road/Dublin Boulevard improvements are expected to be completed as part of developments within the Dublin Ranch area. The Fallon Road/Street "E" intersection will be constructed as part of Phase 4 of the Silveria Ranch development. The interim geometries for the Tassajara Road/Fallon Road, Fallon Road/Dublin Boulevard, and Fallon Road/Street "E" under the Baseline scenario are shown in the Traffic Study. Under Baseline conditions, the intersections of El Charro Road/I -580 Eastbound Ramps and Fallon Road/I- 580 Westbound Ramps will be widened and signalized as part of the Phase I Fallon Road Interchange Improvement project. The following improvements have been planned by the City of Dublin for the Dublin Boulevard/Dougherty Road intersection: • Three left -turn lanes, three through lanes, and two right -turn lanes on the northbound Dougherty Road approach; • Two left -turn lanes, three through lanes and one shared through/right -turn lanes on the southbound Dougherty Road approach; • Two left -turn lanes, three through lanes and two right -turn lanes on the eastbound Dublin Boulevard approach; and • Three left -turn lanes, three through lanes and one right -turn lane on the westbound Dublin Boulevard approach. These improvements are included in the City's 5 -year Capital Improvement Program (CIP) and are expected to be implemented by the time the Vargas Project is completed. The current CIP project to install these improvements at Dublin Boulevard and Dougherty Road is funded by project developers who are required to pay their pro -rata share of the cost to construct these improvements through payment of the Eastern Dublin Traffic Impact Fee. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 75 Baseline Trip Generation Trip generation is defined as the number of "vehicle trips" produced by a particular land use or project. A trip is defined as a one - direction vehicle movement. The total number of trips generated by each land use includes both inbound and outbound trips. The trip rates are obtained from the standard reference Trip Generation, 7th Edition, published by the Institute of Transportation Engineers (ITE). Trips rates were also obtained from previous traffic study reports of corresponding projects. Approved and pending projects in Tables C1 and C2, respectively, of the Traffic Study are expected to generate a total of approximately 110,276 additional daily trips, with 9,792 trips occurring during the AM peak hour, and 10,526 trips occurring during the PM peak hour. These figures assume development of the Vargas site at 86 units. Baseline Levels of Service Table 4, below, summarizes the results of the signalized intersection level of service analyses for Baseline conditions using the ICU methodology adopted by the CCTA and used by the City of Dublin. Detailed calculations can be found in the Traffic Study. All of the study intersections are expected to continue to operate at an acceptable service level under Baseline conditions. Table 4: Intersection Levels of Service — Baseline Conditions Study Intersection AM Peak Hour PM Peak Hour V/C LOS V/C LOS Dougherty Road/Dublin Boulevard 0.64 B 0.73 C Hacienda Drive/I -580 Eastbound Ramps 0.67 B 0.61 B Hacienda Drive /I -580 Westbound Ramps 0.61 B 0.50 A Hacienda Drive /Dublin Boulevard 0.50 A 0.70 B Santa Rita/I -580 Eastbound Off- Ramp/Pimlico Drive 0.70 B 0.70 B Tassajara Road/1 -580 Westbound Ramps 0.62 B 0.73 C Tassajara Road/Dublin Boulevard 0.71 C 0.74 C Tassajara Road/Fallon Road 0.62 B 0.47 A Fallon Road/Dublin Boulevard 0.44 A 0.42 A El Charro Road/1 -580 Eastbound Ramps 0.07 A 0.10 A Fallon Road/I -580 Westbound Ramps 0.22 A 0.37 A Fallon Road/Street "E" 0.09 A 0.14 A Tassajara Road/North Project Access n/a n/a n/a n/a Tassajara Road/South Project Access n/a n/a n/a n/a Source: Casamira valley Traffic Study, Kimley -Horn and Associates, 2006 Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 76 Project Trip Generation The Project is anticipated to generate 21AM peak hour trips and 24 PM peak hour trips based on the ITE Trip Generation, 7th Edition for a 33 -unit residential subdivision. Baseline Plus Project Levels of Service Under the Baseline Plus Project scenario, all study intersections are expected to operate at acceptable service levels. Traffic generated by the Project results in very small changes to V/C ratios and no changes in LOS at the study intersections. No potentially significant supplemental impacts are identified for the Baseline Plus Project scenario. The proposed Project, as discussed in this Mitigated Negative Declaration, has fewer dwelling units the what was previously studied in the Eastern Dublin EIR. Table 5: Intersection Levels of Service — Baseline Plus Project Conditions Study Intersection AM Peak Hour PM Peak Hour V/C LOS V/C LOS Dougherty Road/Dublin Boulevard 0.64 B 0.74 C Hacienda Drive /I -580 Eastbound Ramps 0.67 B 0.61 B Hacienda Drive/I -580 Westbound Ramps 0.61 B 0.50 A Hacienda Drive/Dublin Boulevard 0.50 A 0.70 B Santa Rita/1 -580 Eastbound Off- Ramp/Pimlico Drive 0.70 B 0.71 C Tassajara Road/I -580 Westbound Ramps 0.62 B 0.75 C Tassajara Road/Dublin Boulevard 0.71 C 0.76 C Tassajara Road/Fallon Road 0.67 B 0.50 A Fallon Road/Dublin Boulevard 0.44 A 0.42 A El Charro Road/I -580 Eastbound Ramps 0.07 A 0.10 A Fallon Road/I -580 Westbound Ramps 0.22 A 0.37 A Fallon Road/Street "E" 0.09 A 0.14 A Tassajara Road/North Project Access 0.56 A 0.65 B Tassajara Road/South Project Access 0.59 A 0.68 B Source: Casamira Valley Traffic Study, Kimley -Horn and Associates, 2006 Buildout (Cumulative) Conditions Future traffic from buildout projects in Dublin, Pleasanton and Dougherty Valley were added to the Baseline Plus Project Conditions. Buildout (cumulative) conditions are based on local general plans and expected to be in place in Year 2025. City staff provided a list of buildout projects which are shown in Table C3 of Appendix C of the Traffic Study. All of these land uses are included in the new Dublin Travel Demand Model (DTDM) for cumulative traffic analysis. The DTDM was used to forecast traffic volumes under Buildout Conditions (Year 2025). Roadway improvements included in the Eastern Dublin Traffic Impact Fee (TIF) are planned within the study area and are assumed in the Buildout conditions analysis. They include the following: Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 77 Dublin Boulevard/Tassajara Road Capacity Improvements- Addition of two westbound left -turn lanes, one through lane and one right -turn lane; two northbound through lanes; one eastbound through lane; and one southbound left -turn lane. Some of these improvements have been constructed, but not open to traffic. Scarlett Drive Extension- Extension of Scarlett Drive to the north from Dublin Boulevard to Dougherty Road and associated intersection improvements at Dublin Boulevard/Scarlett Drive and Dougherty Road/Scarlett Drive. Dublin Boulevard/Hacienda Drive Capacity Improvements- Addition of one westbound right -turn lane and conversion of a northbound right -turn lane to a third through lane. Hacienda Drive /I -580 Westbound Off -ramp Capacity Improvements- Widening of the northbound Hacienda overpass to four lanes to accommodate an exclusive lane leading to the 1 -580 westbound loop on -ramp. Addition of one shared right/left -turn lane on the westbound off -ramp approach. Hacienda Drive /I -580 Eastbound off -ramp Capacity Improvement -: Addition of one shared right/left- turn lane on the off -ramp approach. Dublin Boulevard/Dougherty Road Capacity Improvement: Addition of ultimate improvements as identified on page 64 of the Draft SEIR for the Fallon Village Project. These improvements are expected to be implemented in 2007. Under this Buildout scenario, Dublin Boulevard (six lanes) is assumed to be extended to North Canyons Parkway in Livermore, and Central Parkway (two lanes) is assumed to be extended to Fallon Road. Phase lI Fallon Road interchange improvements are also assumed to be in place for the buildout scenario. These improvements are included as part of the Eastern Dublin Traffic Impact Fee program. Under Buildout conditions, each project access intersection with Tassajara Road will have the following lane configurations: Northbound approach - Three through lanes, one left -turn lane and one right -turn lane. Southbound approach - One left -turn lane, one right -turn lane and three through lanes. Westbound approach- One left -turn lane and one right -turn lane. Eastbound approach — One left -turn lane and one right -turn lane. Buildout Levels of Service As shown on Table 6, below, under the buildout scenario, the intersections of Dougherty Road/Dublin Boulevarc and Santa Rita Road/I -580 Eastbound Ramps/Pimlico Drive are expected to operate unacceptable at Level of Service (LOS) E during the PM peak hour. All other intersections in the Project area are expected to operate acceptably under the Buildout Scenario. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 78 Table 6. Intersection Levels of Service, Buildout Conditions Study Intersection AM Peak Hour PM Peak Hour V/C LOS V/C LOS Dougherty Road/Dublin Boulevard 0.77 C 0.93 E Hacienda Drive /I -580 Eastbound Ramps 0.81 D 0.60 A Hacienda Drive /I -580 Westbound Ramps 0.79 C 0.65 B Hacienda Drive/Dublin Boulevard 0.86 D 0.84 D Santa Rita/I -580 Eastbound Off- Ramp/Pimlico Drive 0.81 D 0.95 E -- With third eastbound left -turn lane 0.75 C 0.84 D Tassajara Road/I -580 Westbound Ramps 0.71 C 0.71 C Tassajara Road/Dublin Boulevard 0.89 D 0.80 1 C Tassajara Road/Fallon Road/Project Access 0.50 A 0.82 D Fallon Road/Dublin Boulevard 0.76 C 0.89 D El Charro Road/I -580 Eastbound Ramps 0.59 A 0.49 A Fallon Road/I -580 Westbound Ramps 0.64 B 0.66 B Fallon Road/Street "E" 0.42 A 0.40 A Tassajara Road/North Project Access 0.62 B 0.58 A . Tassajara Road/South Project Access 0.64 B 0.59 A Source: Casamira Valley Traffic Study, Kimley -Horn and Associates, 2006 Project Impacts a) Would the Project cause an increase in traffic, which is substantial in relation to existing traffic load and street capacity? LS/M. The Traffic Study concluded that the proposed Project would not result in significant impacts to intersections near the Project site with the completion of several planned improvements in the area (as discussed under the Baseline Conditions section). Additionally, the impacts associated with this development are less than what has previously been studied due to a reduction in the number of units on the site to 33 residences. The Project is subject to payment of the City's Traffic Impact Fee which funds improvements aimed at easing traffic congestion and funding specific improvements identified in the Eastern Dublin EIR (Mitigation Measures 3.3/2.1- 3.3/4.0 and 3.3/6.0- 3.3/14.0). As described in the Traffic Study, a roadway segment analysis was conducted to determine the number of through lanes that would be needed to have various roadway segments operate at acceptable levels of service for all study scenarios. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 79 Roadway Segment Analysis In general, ADT volumes for existing and future scenarios were estimated by assuming that the PM peak hour volumes were equivalent to 10 percent of daily volumes. The daily trips from the proposed Project are based on the appropriate ITE daily trip rate. Table 7, below, shows the average daily traffic on Tassajara Road under Existing, Baseline, Baseline plus Project, and Buildout Conditions, where the majority of the Project trips are expected to travel. Table 7: Roadway Segment ADT Source: Casamira valley Traffic Study, Kimley -Horn and Associates, 2006, and Dublin Traffic Engineer, 2007 The first three segments of Tassajara Road, as shown in Table 7, have already been improved to four lanes. Fallon Crossings and Wallis Ranch are required to widen Tassajara Road along the fourth and fifth segments, which currently consist of two lanes of traffic. The proposed Project would contribute additional traffic to Tassajara Road. This includes the segment of Tassajara Road between Fallon Road and the County Limit, the segment of Tassajara Road between Northern Access for Dublin Ranch West and Fallon Road and the segment of Tassajara Road between North Dublin Ranch Drive and Northern Access for Dublin Ranch West. If the widening of these roadway segments to four lanes does not occur, Tassajara Road will lack adequate roadway capacity for the Project. This is a potentially significant impact. This impact would be reduced to a less- than - significant level through adherence to the following Mitigation Measure: Mitigation Measure 29: The Project developer shall widen Tassajara Road between North Dublin Ranch Drive and the City/County line to four lanes, in the event that this Project is developed prior to the Fallon Crossings or Casamira Valley projects, and shall dedicate additional property as determined by the Dublin City Engineer. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 80 Study Scenario ADT Roadway Segment Baseline Plus Existing Baseline Project Buildout Northbound Tassajara Road between hiterstate -580 11,920 22,175 22,260 30,300 and Dublin Boulevard Tassajara Road between Dublin Boulevard and 18,260 34,735 34,880 48,800 Gleason Drive Tassajara Road between Gleason Drive and North 14,540 32,010 32,230 40,450 Dublin Ranch Drive Tassajara Road between North Dublin Ranch Drive 6,850 19,880 20,100 32,650 and Northern Access for Dublin Ranch West Tassajara Road between Northern Access for Dublin 6,850 14,390 14,610 27,060 Ranch West and Fallon Road Tassajara Road between Fallon Road and County 6,850 13,500 13,760 26,430 Limit Source: Casamira valley Traffic Study, Kimley -Horn and Associates, 2006, and Dublin Traffic Engineer, 2007 The first three segments of Tassajara Road, as shown in Table 7, have already been improved to four lanes. Fallon Crossings and Wallis Ranch are required to widen Tassajara Road along the fourth and fifth segments, which currently consist of two lanes of traffic. The proposed Project would contribute additional traffic to Tassajara Road. This includes the segment of Tassajara Road between Fallon Road and the County Limit, the segment of Tassajara Road between Northern Access for Dublin Ranch West and Fallon Road and the segment of Tassajara Road between North Dublin Ranch Drive and Northern Access for Dublin Ranch West. If the widening of these roadway segments to four lanes does not occur, Tassajara Road will lack adequate roadway capacity for the Project. This is a potentially significant impact. This impact would be reduced to a less- than - significant level through adherence to the following Mitigation Measure: Mitigation Measure 29: The Project developer shall widen Tassajara Road between North Dublin Ranch Drive and the City/County line to four lanes, in the event that this Project is developed prior to the Fallon Crossings or Casamira Valley projects, and shall dedicate additional property as determined by the Dublin City Engineer. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 80 b) Would the Project exceed, either individually or cumulatively, a LOS standard established by the County CMA for designated roads? LS/M. The following sections provide a discussion on the cumulative impacts related to the construction of the proposed Project on designated roads: Dublin Boulevard /Dougherty Road Under buildout conditions of Eastern Dublin, the intersection of Dougherty Road/Dublin Boulevard is expected to operate unacceptably during the PM peak hour. As noted above, the Eastern Dublin EIR traffic analysis has been updated over time, most recently in the 2005 certified Supplemental EIR for the Wallis Ranch project located south and west of the Project (SCH 2003022082). The Wallis Ranch SEIR analyzed cumulative buildout conditions at the Dublin Boulevard/Dougherty Road intersection, including development of the Vargas site at the midpoint of the General Plan density range. Supplemental Impact TRA -1 identified the effect of buildout traffic at this intersection as significant and unavoidable. Because development of the Vargas site was assumed in the Wallis Ranch SEIR cumulative buildout analysis of the Dublin Boulevard/Dougherty Road intersection, this Initial Study incorporates by reference and tiers from that analysis, which is attached as Appendix F and incorporated herein by reference. As shown in Table 6, the Level of Service (LOS) at buildout, the Traffic Study determined that the Dublin Boulevard and Dougherty Road intersection will operate at LOS E. As noted in the Wallis Ranch SEIR (p. 107) and the Traffic Study, additional improvements to improve the LOS at the Dougherty Road/Dublin Boulevard intersection to an acceptable LOS D or better under Buildout Conditions would require adding a fourth northbound left -turn lane on Dougherty Road. Allowing four lanes of traffic to perform a left -turn movement simultaneously would raise major concerns regarding the safety of such an operation. Moreover, additional improvements to reduce traffic impacts at this intersection are not feasible given the physical constraints at the intersection. The Traffic Study identified the following two mitigation measures to reduce the previously identified impact. Mitigation Measure 30: Improvements at the Dublin Boulevard/Dougherty Road intersection are included in the Eastern Dublin Traffic Impact Fee (TIF) program. The project is required to make its fair share payment of impact fees for these improvements. Mitigation Measure 31: The project developer shall advance to the City applicable monies for acquisition of right -of -way and construction of the improvements assumed in this study for the intersection of Dublin Boulevard/Dougherty Road. The amount of money advanced to the City shall be based on the developer's fair share of the deficit (spread over those projects that are required to make up the deficit) between funds available to the City from Category 2 Eastern Dublin TIF funds and the estimated cost of acquiring the right - of -way and constructing the improvements. The City will provide credit for Category 2 Eastern Dublin TIF to the developer for any advance of monies made Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 81 for the improvements planned for the Dublin Boulevard/Dougherty Road intersection. Implementation of these mitigations may reduce the impact, but not to a level of less than significant. Thus, the impact remains significant and unavoidable as identified in the Wallis Ranch SEIR. There is no impact beyond that identified in the previous SEIR. On a periodic basis, the City should monitor the operations of Dougherty Road/Dublin Boulevard, as well as other intersections at the I -580 interchanges, during the PM peak hour. Level of service analysis for this intersection should be updated as forecasted peak hour volumes become available. Santa Rita Road /I -580 eastbound ramps /Pimlico Drive Under buildout conditions of Eastern Dublin, the intersection of Santa Rita Road/1 -580 eastbound ramps/Pimlico Drive is expected to operate unacceptably during the PM peak hour. This is a potentially significant impact. The following Mitigation Measure shall be implemented to reduce this impact to a less than significant level: Mitigation Measure 32: The Project developer shall contribute a pro -rata share of the cost to improve the Santa Rita Road/I -580 Eastbound.Ramp/Pimlico Drive intersection to include a third left -turn lane for the eastbound off -ramp approach at this intersection and other downstream improvements including modifications to the striping on the northbound lanes of the Tassajara Road/I -580 overpass to accept traffic from the third left -turn lane and maintain three northbound through lanes at the Tassajara Road/I -580 Westbound Ramps intersection. Alternatively, the Project Developer shall contribute a fair share of the cost to install the above improvements by payment of the Eastern Dublin Traffic Impact Fee, if the Traffic Impact Fee is updated to include the above intersection improvements prior to the time building permits are issued for the Project. Freeway Impacts Evaluation of freeway levels of service is a different process than intersection levels of service. Level of service for freeways is based upon peak hour traffic volumes (number of passenger cars per hour). In practice as in theory, volume, density and speed are directly correlated, and the analyst can calculate any one of these factors knowing the other two. Traffic flow is used as the basis for freeway levels of service and for calculating the impacts of the project on I -580 and I- 680 operations in 2030. Based on Caltrans guidelines, Year 2030 is used for this freeway analysis under future traffic conditions. The forecasts for Year 2030 conditions were derived by applying a 10 percent increase to the forecasted volumes for the Year 2025 conditions. The 10 percent increase is based on an assumed growth rate of two percent per year for a five -year period. This figure was derived by examining both past and projected growth rates along the I -580 corridor. For the period 1994 to 2004 annual traffic increases on I -580 at the project site were 2.47 percent, based on annual count information available from Caltrans. There is a 2.13 percent annual growth rate in the I -580 Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 82 corridor between 2003 (measured counts) and 2025 (CCTA model). Two percent was selected for the next five years (2025 to 2030) based on the premise that the rate of growth is slightly declining and the I -580 corridor is experiencing increasing levels of congestion. The Project is required to pay for its proportionate share of impacts to I -580 and 1 -680, by payment of Tri- Valley Transportation Development (TVTD) Fees to construct planned freeway improvements, including HOV lanes, auxiliary lanes, and interchange improvements. Pursuant to Mitigation Measures 3.3/3.0 and 3.3/5.0 of the Eastern Dublin EIR, the Project shall contribute a proportionate share to the construction of auxiliary lanes on I -580 by paying a regional fee, which the City has implemented through Category 3 Eastern Dublin Traffic Impact Fee, followed by the TVTD Fee. Both the Category 3 Eastern Dublin Traffic Impact Fee and the TVTD Fee (which has substituted for the Category 3 Eastern Dublin Traffic Impact Fee) include HOV lanes on I- 580 from Tassajara Road to Vasco Road, as specified in the TVTD Fee Strategic Expenditure Plan. The Project will also pay for its proportionate share toward public transportation improvements to help reduce traffic on the freeways and other roadways in the Tri- Valley Area, by payment of the TVTD Fee. Two of the improvements to be funded by the TVTD Fees are the West Dublin BART Station and the Express Bus Service from Livermore to the East Dublin BART station. The following table provides a summary of the Levels of Service with and without the Project on the local freeways. Table 8: Freeway Analysis Summary Freeway Segment Capacity Year 2030 without Project Year 2030 with Project AM Peak PM Peak AM Peak PM Peak Vol 1 LOS Vol LOS Vol LOS Vol LOS 1-580,1-680 to Dougherty Road/Hopyar d Road Eastbound 1 9,200 6,616 1 D 6,802 D 6,617 D 6,806 D Westbound 1 11,500 7,884 1 D 8,443 D 7,888 D 8,445 D I -580, Dougherty Road/Hopyard Road to Hacienda Drive Eastbound 1 14,800 1 11,431 D 111,207 1 D 1 11,4321 D 1 11,2111 D Westbound 1 10,200 10,536 F 110,796 1 F 10,540 F 10,798 1 F I -580, Hacienda Drive to Tassa'ara Road/Santa Rita Road Eastbound 1 11,500 9,509 1 D 1 11,516 F 9,510 D 11,5201 F Westbound 1 10,200 1 11,3471 F 110,, 10,438 F I -580, Tassa'ara Road/Santa Rita Road to Fallon Road/El Charro Road Eastbound 10,200 8,335 D 10,260 F 8,337 D 10,261 F Westbound 10,200 1 8,956 D 8,114 D 8,957 D 8,116 D I -580, Fallon Road to Airway Boulevard Eastbound 10,200 7,992 D 10,597 F 7,994 D 1 10,5981 F Westbound 10,200 8,702 D 7,795 D 8,703 D 7,797 D I -680, Alcosta Boulevard to I -580 Northbound 9,2N6,508 D I 7,786 D 6,509 D 7,788 D Southbound 9,200 1 9,256 F 1 8,931 1 E 1 9,257 1 F 8,932 E Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 83 Freeway Segment Capacity Year 2030 without Project Year 2030 with Project AM Peak PM Peak AM Peak PM Peak Vol LOS Vol LOS Vol LOS Vol LOS 1-680,1-580 to St *d e Drive Northbound 6,900 L 6,008 1 D 1 6,974 1 F 1 6,009 D 1 6,975 F Southbound 7,900 7,373 E 6,959 E 7,374 E 6,960 E Source: 2000 Highway Capacity Manual, Chapter 23, Exhibit23.2, LOS Criteria for Basic Freeway Segments; Casamira Valley Traffic Study, Kimley -Horn and Associates, 2006, and Dublin Traffic Engineer, 2007. Maximum Service Flow Rate for freeway segments =2,300 vehicles /hr/1ane, aux. = Auxiliary Lane If number of lanes on freeway segment= N +aux., capacity ofsegment= (7V*2300 +1000) vehicles /hr Even without the proposed Project, the study mainline segments along I -580 and I -680 in the vicinity of the Project site would operate unacceptably under Year 2030 conditions. The Eastern Dublin EIR identified impacts to local freeways as a significant and unavoidable impact. The addition of the Project trips to these freeway segments would remain a significant unavoidable cumulative impact (Impacts 3.3B, E and I). There is no impact beyond that analyzed in the Eastern Dublin EIR. Alameda County Congestion Management Plan The proposed Project is consistent with the Alameda County Congestion Management Plan because the proposed number of dwelling units, 33, is less than what was previously reviewed in the Eastern Dublin EIR and is less than the number of units permitted by the existing General Plan on which the Congestion Management Plan is based. c) Would the Project result in a change in air traffic patterns? NI. The proposed project would have no impact on air traffic patterns because it is a residential development. d) Would the project substantially increase hazards due to a design feature or incompatible use? LS/M. Approval of the Project would result in the construction of new driveways, circulation routes, and access points. All new streets and other circulation improvements on the site will be constructed in accordance with City design requirements to provide adequate turning radii, provide for maximum sight visibility distances and minimize other potential hazards. The proposed Project will result in the construction of two entrances /exits onto Tassajara Road. These entrances /exits onto Tassajara Road will provide access to the Project site from northbound and southbound Tassajara Road and will allow vehicles to exit the property and go northbound or southbound on Tassajara Road. Without adequate controls, these access point could conflict with access to the Moller Ranch/Casamira Valley project across Tassajara Road. This is a potentially significant impact. In order to ensure a safe entrance and exit area, the following mitigation measure shall be implemented to reduce this impact to a less than significant level: Mitigation Measure 33: The Site Development Review and Stage 2 Rezone project plans shall show that the southern entrance /exit on the Project site will line up with the southern entrance /exit located on the Moller Ranch/Casamira Valley project site. The developer shall also install a traffic signal at the intersections of Tassajara Road and the southern entrance /exit for the Project. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 84 e) Would the Project result in inadequate emergency access? LS. The proposed Project has been reviewed with respect to emergency access by the City's Fire Department and the Police Department. These departments have determined that adequate access will be provided to the site by the two Project access points. Additionally, by providing a break in the proposed median, as shown on the Stage 1 Development Plan, to allow a second left turn in lane from northbound Tassajara Road, both departments will be able to access the site in the event of an emergency from either entrance. f) Would the Project result in inadequate parking capacity? LS/M. The proposed Project will be reviewed in detail during the Stage 2 Rezone and Site Development Review process when detailed construction level dwelling unit plans are submitted to the City. The City will ensure that adequate parking will be provided to support the residential development during that review. In order to ensure that the Project will provide adequate parking to support the development, the following mitigation measure requires a parking analysis to ensure that the final design of the development including off - street and on- street parking will support the parking needs of the residential development: Mitigation Measure 34: The final project design shall provide adequate parking to serve the residential development. A detailed parking analysis which reviews on- street and off - street parking provided for the residential development shall be submitted in conjunction with the detailed Stage 2 Rezone plans and the Site Development Review. g) Would the Project create hazards or barriers for pedestrians or bicyclists? LS. The Project will include a creekside path, new roads, access to the site and sidewalks. The Stage 1 Development Plan has been reviewed by City departments and it has been determined that the proposed development will not create any safety hazards to pedestrians or bicyclists. The Eastern Dublin EIR also identified impacts related to the safe street crossings for pedestrians and bicycles (Impacts 3.3P, Street Crossings). Mitigation Measures 3.3/16.0 and 16.1 were included which required a bicycle /pedestrian path parallel to Tassajara Creek and requires that pedestrian paths be located so that their crossings of major street coincide with a signalized intersection. The Vargas property will have a new pedestrian path adjacent to the Creek (see Preliminary Site Plan for exact location) and signalized intersections as specified above in Mitigation Measure 26. The signalized intersections can be accessed via a new sidewalk on Tassajara Road as well as by sidewalks in the Vargas development. Pedestrians can use the new signalized intersections to access the west side of Tassajara Road and the trail system Neighborhood Square and community facilities on the Casamira Valley site located east of this project. XVI. Utilities and Service Systems The project site is served by the following service providers: Sewage treatment and local water supply: Dublin San Ramon Services District and Alameda County Flood Control and Water Conservation District, Zone 7. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 85 Regional water supply and distribution: Alameda County Flood Control and Water Conservation District, Zone 7 Storm drainage: City of Dublin/Alameda County Flood Control and Water Conservation District, Zone 7. Project Impacts a) Would the Project exceed wastewater treatment requirements of the RWQCB? LS. The regional wastewater treatment plant is currently operating in compliance with local, state and federal water quality standards. Additionally, as previously discussed, the proposed Project area is located within the Eastern Dublin Specific Plan area and the project has been previously reviewed with respect to these requirements in the Eastern Dublin EIR. Additionally, impacts that were previously reviewed have been reduced due to the reduction in the number of dwelling units that will be constructed on the site. Mitigation Measures 3.5/1.0 through 3.5/22.0 in the Eastern Dublin EIR addresses wastewater collection, plant capacity, treatment and storage and will apply to this project. The proposed Project proposes 33 units rather than the 55 units previously studied in the Eastern Dublin EIR. As a result, the Project would require less water than previously evaluated. b) Would the Project require new water or wastewater treatment facilities or expansion of existing facilities? LS. Existing water and sewer lines will need to be extended to serve the Project site. The extension has been planned as part of the Eastern Dublin Specific Plan and the proposed Project will not impact this extension and the Dublin San Ramon Services District has determined that they will be able to serve the development. c) Would the proposed Project require new storm drainage facilities? LS/M. A new drainage system will be constructed as part of the construction of this project. The Project will be required to comply with Mitigation Measure 25 which requires the development of a Stormwater Pollution Prevention Plan to ensure that the proposed drainage system will accommodate stormwater runoff from the Project. d) Are sufficient water supplies available to support the Project? LS. The proposed Project will increase the demand for water for domestic and irrigation purposes. The increase in water can be accommodated by Zone 7 and the Dublin San Ramon Services District. e) Does the current wastewater provider have adequate capacity to serve the project? LS. Approval of the Project will increase the demand for wastewater treatment over present conditions. The Dublin San Ramon Services District whose service master plans are based on potential development under the General Plan. f) Would the project be served by a landfill with adequate capacity to serve the Project? LS. The City of Dublin contracts with the Amador Valley Industries Disposal Company to collect solid waste from households and businesses and transport the waste to the landfill. Amador Valley Industries also provides recycling services including paper, glass, aluminum, yard waste and food scraps. The solid waste that would be generated by the Project is less than what was estimated in the Eastern Dublin EIR because the project proposes to construct fewer units than what is allowed by the Specific Plan and what was studied in the Eastern Dublin EIR. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 86 g) Would the Project comply with federal, state and local statues and regulations related to solid waster? NI. The City of Dublin and the City's solid waste provider would ensure that developer of the Project would adhere to federal, state and local solid waste regulations. XVII. Mandatory Findings of Significance a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat offish or wildlife species, cause a fish or wildlife population to drop below self - sustaining levels, threaten to eliminate a plant or animal community, reduce the number of or restrict the range of a rare of endangered plant or animal or eliminate important examples of the major periods of California history or prehistory? LS/M. The analysis indicates that the proposed Project will not have a significant adverse impact on the overall environmental quality, including biological resources or cultural resources with adherence to the appropriate Mitigation Measures in the Eastern Dublin EIR and the Mitigation Measures incorporated in this Mitigated Negative Declaration. A biological analysis was conducted on the Project site to determine if any plant or animal species would be impacted as a result of the construction of the proposed Project. Based on the result of the analysis, which was peer reviewed by a consultant to the City, the Project would not have any significant impacts to biological resources with the incorporation of the mitigation measures. Additionally, the Cultural Analysis has determined that there are no know cultural or historical resources on the Project site that would be impacted as a result of the development of the site. b) Does the Project have impacts that are individually limited, but cumulatively considerable? LS/M. Although incremental increases and cumulative effects such as traffic, noise, air emissions and demand for public services and utilities would occur, these cumulative impacts were adequately addressed in the Eastern Dublin Environmental Impact Report. Although impacts resulting from the development of the site will be increased over current conditions, the project is included in the General Plan and the Eastern Dublin Specific Plan and impacts have been reviewed in both the Eastern Dublin EIR and this Mitigated Negative Declaration. The proposed development will result in a lower number of dwelling units that what was previously reviewed in the Eastern Dublin EIR. No new significant cumulative environmental impacts are expected to occur as a result of this Project with adherence to the appropriate Mitigation Measures in the Eastern Dublin EIR and the Mitigation Measures incorporated in this Mitigated Negative Declaration. c) Does the Project have environmental effects which will cause substantial adverse effects on human beings, either directly or indirectly? LS/M. The development of the proposed Project would not have any environmental effects in addition to those identified in the Eastern Dublin Environmental Impact Report, except as identified in this Mitigated Negative Declaration. Based on the project design, as shown on the Stage 1 Development Plan, and mitigation measures to minimize impacts, the proposed Project would not have any adverse effects on human being either directly or indirectly. All of the impacts as a result of this Project have been identified in the Eastern Dublin EIR or in this Initial Study. No significant impacts on human beings, directly or indirectly, are expected to occur as a result of the Project with adherence to the appropriate Mitigation Measures in the Eastern Dublin EIR and the Mitigation Measures incorporated in this Mitigated Negative Declaration. Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 87 Appendix A: Biological Resources Analysis Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin BIOLOGICAL RESOURCES ANALYSIS FOR THE VARGAS /FREDERICK PROPERTY ALAMEDA COUNTY, CALIFORNIA Prepared for: SUN VALLEY LAND DEVELOPMENT CO. 4471 Stoneridge Drive, Suite B Pleasanton, California 94588 Phone: (925) 461 -3580 Contact: Dave Marquardt Prepared by: OLBERDING ENVIRONMENTAL, INC. Wetland Regulatory Consultants 1390 Willow Pass Road, Suite 370 Concord, California 94520 Phone: (925) 825 -2111 — FAX (925) 825 -2112 Contact: Jeff Olberding AUGUST 2006 TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................ ............................... 1 2.0 LOCATION ...................................................................................... ............................... 1 3.0 PROPERTY DESCRIPTION ........................................................... ............................... 1 4.0 REGULATORY SETTING .............................................................. ............................... 2 4.1 Federal Regulatory Setting ...................................................... ............................... 2 4.13 Plants and Wildlife ....................................................... ............................... 2 4.1.2 Wetlands / Waters ........................................................... ..............................2 4.1.3 Migratory Bird Treaty Act ........................................... ............................... 3 4.2 State Regulatory Setting .......................................................... ............................... 4 4.2.1 Plants and Wildlife ....................................................... ............................... 4 4.2.2 Wetlands / Waters ........................................................... ..............................5 5.0 METHODS OF ANALYSIS FOR GENERAL BIOLOGICAL RESOURCES .............. 5 5.1 Plant Survey Methods .............................................................. ............................... 6 5.1.1 Review of Literature and Data Sources ....................... ............................... 6 5.1.2 Field Surveys ................................................................ ... ............................. 7 5.2 Wildlife Survey Methods ......................................................... ............................... 7 5.2.1 Review of Literature and Data Sources ....................... ............................... 7 5.2.2 Field Surveys ................................................................ ............................... 8 6.0 RESULTS FOR GENERAL BIOLOGICAL RESOURCES ........... ............................... 8 6.1 Plant Survey Results ................................................................ ............................... 9 6.1.1 Floristic Inventory and Habitat Characterization ....... ............................... 9 6.1.2 Special- Status Plant Species ...................................... ............................... 10 6.2 Wildlife Survey Results ......................................................... ............................... 14 6.2.1 General Wildlife Species and Habitats ...................... ............................... 14 6.2.2 Special- Status Wildlife Species .................................. ............................... 15 7.0 CONCLUSIONS ............................................................................... .............................22 7.1 Special - Status Plants .............................................................. ............................... 22 7.2 Special - Status Wildlife .......................................................... ............................... 22 8.0 RECOMMENDATIONS ................................................................ ............................... 23 9.0 LITERATURE CITED ................................................................... ............................... 26 ii ATTACHMENTS ATTACHMENT NO. 1 FIGURES Figure No. 1 Regional Map Figure No. 2 Vicinity Map Figure No. 3 USGS Quadrangle Map Figure No. 4 Aerial Photograph Figure No. 5 CNDDB Locations of Special - Status Plants and Animals ATTACHMENT NO. 2 TABLES Table No. 1. Species Observed Within/Adjacent to the Survey Area Table No. 2. Special - Status Species Occurring in the Livermore and Dublin 7.5 Minute Quadrangle Maps ATTACHMENT NO. 3 SITE PHOTOGRAPHS This report should be cited as: Olberding Environmental, Inc. August 2006. Biological Resources Analysis for the Vargas /Frederick Property, Alameda County, California. Prepared for Sun Valley Land Development Company, Pleasanton, California. iii 1.0 INTRODUCTION At the request of Sun Valley Land Development Company, Olberding Environmental, Inc. has conducted a biological resources analysis of the Vargas/Frederick Property (Property), located east of Dublin, Alameda County, California. This biological analysis includes a review of previously prepared biological reports /information, pertinent literature on habitat characteristics of the site, and a review of information related to species of plants and animals that could potentially utilize the described habitats. This biological resources analysis included a review of relevant background information, including the California Natural Diversity Data Base (CNDDB) and the California Native Plant Society's (CNPS) Inventory of Rare and Endangered Vascular Plants of California, as well as field investigations. This report documents the methods, results and conclusions for the reconnaissance level biological resources analysis for the Property. 2.0 LOCATION The Property is located in Alameda County, just south of the Contra Costa/Alameda County line (Attachment 1, Figure 1). The Property is located east of the city of Dublin and is on the west side of Tassajara Road approximately 2.5 miles north of the Santa Rita exit off Highway 580 (Attachment 1, Figure 2). The Property is situated immediately after the first bend on Tassajara Road where it curves east to cross over Moller Creek (east fork of Tassajara Creek). Access is gained to the site via Tassajara Road. The property is bounded on the east by Tassajara Road, on the west by uplands adjacent to Tassajara Creek, on the north by undeveloped lands and on the south by a residential area (Attachment 1, Figure 3). The Property is a part of the Tassajara Creek watershed and is located immediately east of Tassajara Creek. Attachment 1, Figure 3 identifies the location of the property on the USGS 7.5 Quadrangle Map for Livermore. Figure 4 is an aerial map of the Property. 3.0 PROPERTY DESCRIPTION The shape and dimension of the Property are illustrated on Attachment 1, Figure 4. The Property is irregularly shaped and its eastern boundary is formed by Tassajara Road. Most of the western boundary is linear and is oriented north to south. Tassajara Creek and associated riparian habitat lies to the west of the Property. The southern Property boundary runs immediately south of Moller Creek). The confluence of Tassajara and Moller Creek is located several hundred feet southwest of the subject Property. The Property is dominated by flat lands and a single hill is positioned at its center. The land has a gently sloping topography with elevations ranging between 466 to 498 feet and the hill rising to approximately 525 feet above sea level. The land is currently being used for agricultural purposes and is dominated by grazed, non - native grassland habitat. The Property contains a horse corral area. A small grove of eucalyptus trees is located on an adjacent property approximately 100 feet from the southwestern corner of the subject Property. A short paved road provides access into the Property from Tassajara Road. Two single family homes, several barns and associated outbuildings are located within the Property boundaries. A horse stable is located on the northern portion of the site. The surrounding land use varies dramatically due to the large size of the Property. Undeveloped lands lie to the north of the Property. Tassajara Road lies to the east of the Property with newly developed residential areas located east of the road. The western boundary lies close to Tassajara Creek and additional open space habitat. South of the Property is a mix of open space with rural development. 4.0 REGULATORY SETTING 4.1 Federal Regulatory Setting 4.1.1 Plants and Wildlife The federal Endangered Species Act (ESA) of 1973 (16 USC 1531 et seq., as amended) prohibits federal agencies from authorizing, permitting, or funding any action that would result in biological jeopardy to a plant or animal species listed as Threatened or Endangered under the Act. Listed species are taxa for which proposed and final rules have been published in the Federal Register (U.S. Fish and Wildlife Service [USFWS], 2006a and 2006b). If a proposed project may jeopardize listed species, Section 7 of the ESA requires consideration of those species through formal consultations with the USFWS. Federal Proposed species (USFWS, 2006c) are species for which a proposed listing as Threatened or Endangered under ESA has been published in the Federal Register. If a proposed project may jeopardize proposed species, Section 7 of the ESA affords consideration of those species through informal conferences with USFWS. The USFWS defines federal Candidate species as "those taxa for which we have on file sufficient information on biological vulnerability and threats to support issuance of a proposed rule to list, but issuance of the proposed rule is precluded by other higher priority listing actions." (USFWS, 2006c). Federal Candidate species are not afforded formal protection, although USFWS encourages other federal agencies to give consideration to Candidate species in environmental planning. 4.1.2 Wetlands /Waters The federal government, acting through the U.S. Army Corps of Engineers (Corps) and the Environmental Protection Agency (EPA), has jurisdiction over all "waters of the United States" as authorized by §404 of the Clean Water Act (CWA) and § 10 of the Rivers and Harbors Act of 1899 (33 CFR Parts 320 -330). Projects that cause the discharge of dredged or fill material into waters of the United States require permitting by the Corps. Actions affecting small areas of jurisdictional waters of the United States may qualify for a Nationwide Permit (NWP), provided conditions of the permit are met, such as avoiding impacts to threatened or endangered species or to important cultural sites. Projects that affect larger areas or which do not meet the conditions of an NWP require an Individual Permit. The process for obtaining an Individual Permit requires a detailed alternatives analysis and development of a comprehensive mitigation/monitoring plan. Waters of the United States are classified as wetlands, navigable waters, or other waters. Wetlands are transitional habitats between upland terrestrial areas and deeper aquatic habitats such as rivers and lakes. Under federal regulation, wetlands are defined as "those areas that are inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal conditions do support, a prevalence of vegetation typically adapted for life in saturated soil conditions" (33 CFR Part 328.3[b]). Swamps, marshes, bogs, fens and estuaries are all defined as wetlands, as are seasonally saturated or inundated areas such as vernal pools, alkali wetlands, seeps, and springs. In addition, portions of the riparian habitat along a river or stream may be a wetland where the riparian vegetation is at or below the ordinary high water mark and thus also meets the wetland hydrology and hydric soil criteria. Navigable waters include all waters subject to the ebb and flow of the tides, including the open ocean, tidal bays, and tidal sloughs. Navigable waters also include some large, non -tidal rivers and lakes, which are important for transportation in commerce. The jurisdictional limit over navigable waters extends laterally to the entire water surface and bed of the waterbody landward to the limits of the mean high tide line. For non -tidal rivers or lakes, which have been designated (by the Corps) to be navigable waters, the limit of jurisdiction along the shoreline is defined by the ordinary high water mark. Other waters refer to waters of the United States other than wetlands or navigable waters. Other waters include streams and ponds, which are generally open water bodies and are not vegetated. Other waters can be perennial or intermittent water bodies and waterways. The Corps regulates other waters to the outward limit of the ordinary high water mark. Streams should exhibit a defined channel, bed and banks to be delineated as other waters. The Corps does not generally consider "non -tidal drainage and irrigation ditches excavated on dry land" to be jurisdictional waters of the United States (and such ditches would therefore not be regulated by the Corps (33 CFR Parts 320 -330, November 13, 1986). Other areas generally not considered jurisdictional waters include: 1) artificially irrigated areas that would revert to upland habitat if the irrigation ceased; 2) artificial lakes and ponds created by excavating and /or diking of dry land to collect and retain water, used exclusively for such purposes as stock watering, irrigation, settling basins, or rice growing; 3) waste treatment ponds; 4) ponds formed by construction activities including borrow pits until abandoned; and 5) ponds created for aesthetic reasons such as reflecting or ornamental ponds (33 CFR Part 328.3). However, the preamble also states that "the Corps reserves the right on a case -by -case basis to determine that a particular waterbody within these categories" can be regulated as a jurisdictional water. The EPA also has authority to determine jurisdictional waters of the U.S. on a case -by -case basis. Riparian habitat that is above the ordinary high water mark and does not meet the three - parameter criteria for a wetland, would not be regulated as jurisdictional waters of the United States. 4.1.3 Migratory Bird Treaty Act Raptors are migratory bird species protected by international treaty under the Migratory Bird Treaty Act (MBTA) of 1918 (16 U.S.C. 703 -711). The MBTA makes it unlawful to take, possess, buy, sell, purchase, or barter any migratory bird listed in 50 C.F.R. Part 10, including feathers or other parts, nests, eggs, or products, except as allowed by implementing regulations (50 C.F.R. 21). Sections 3503, 3503.5, and 3800 of the California Department of Fish and Game Code prohibit the take, possession, or destruction of birds, their nests or eggs. Implementation of the take provisions requires that project - related disturbance at active nesting territories be reduced or eliminated during 3 critical phases of the nesting cycle (March 1 - August 15, annually). Disturbance that causes nest abandonment and/or loss of reproductive effort (e.g., killing or abandonment of eggs or young) or the loss of habitat upon which the birds depend is considered "taking" and is potentially punishable by fines and/or imprisonment. Such taking would also violate federal law protecting migratory birds (e.g., MBTA). 4.2 State Regulatory Setting 4.2.1 Plants and Wildlife Project permitting and approval requires compliance with California Environmental Quality Act (CEQA), the 1984 California Endangered Species Act (CESA), and the 1977 Native Plant Protection Act (NPPA). The CESA and NPPA authorize the California Fish and Game Commission to designate Endangered, Threatened and Rare species and to regulate the taking of these species (§ §2050 -2098, Fish & Game Code). The California Code of Regulations (Title 14, §670.5) lists animal species considered Endangered or Threatened by the State. The Natural Heritage Division of the California Department of Fish and Game (CDFG) administers the state rare species program. The CDFG maintains lists of designated Endangered, Threatened, and Rare plant and animal species (CDFG, 2006 and 2005). Listed species either were designated under the NPPA or designated by the Fish and Game Commission. In addition to recognizing three levels of endangerment, the CDFG can afford interim protection to candidate species while they are being reviewed by the Fish and Game Commission. The CDFG also maintains a list of animal species of special concern (CDFG, 2006), most of which are species whose breeding populations in California may face extirpation. Although these species have no legal status, the CDFG recommends considering them during analysis of proposed project impacts to protect declining populations and avoid the need to list them as endangered in the future. Under provisions of § 15380(d) of the CEQA Guidelines, the project lead agency and CDFG, in making a determination of significance, must treat non - listed plant and animal species as equivalent to listed species if such species satisfy the minimum biological criteria for listing. In general, the CDFG considers plant species on List 1 (Plants Presumed Extinct in California), List 1B (Plants Rare, Threatened, or Endangered in California and elsewhere), or List 2 (Plants Rare, Threatened, or Endangered in California, but More Common Elsewhere) of the California Native Plant Society's (CNPS) Inventory ofRare and Endangered Vascular Plants of California (Skinner and Pavlik 1994) as qualifying for legal protection under § 15380(d). Species on CNPS List 3 or 4 may, but generally do not, qualify for protection under this provision. Sensitive habitats include riparian corridors, wetlands, habitats for legally protected species and CDFG Species of Special Concern, areas of high biological diversity, areas providing important wildlife habitat, and unusual or regionally restricted habitat types. Habitat types considered sensitive include those listed on the California Natural Diversity Data Base's (CNDDB) working list of "high priority" habitats (i.e., those habitats that are rare or endangered within the borders of California) (Holland, 1986). 4 4.2.2 Wetlands /Waters The Regional Water Quality Control Board ( RWQCB) regulates activities in wetlands and other waters through §401 of the Clean Water Act. Section 401 requires a state water quality certification for projects subject to 404 regulations. Requirements of the certification include mitigation for loss of wetland habitat. In the San Francisco Bay region, the RWQCB may take the lead over the Corps in determining wetland mitigation requirements. California Fish and Game Code § §1600 -1607 require the CDFG be notified of any activity that could affect the bank or bed of any stream that has value to fish and wildlife. Upon notification, the CDFG has the discretion to execute a Streambed Alteration Agreement. The CDFG defines streams as follows: "... a body ofwater thatflows at least periodically ... through a bed or channel having banks and supporting fish and other aquatic life. This includes watercourses having a subsurface flow that supports or has supported riparian vegetation. " (Streambed Alteration Program, California Department of Fish and Game). In practice, CDFG authority is extended to any "blue line" stream shown on a USGS topographic map, as well as unmapped channels with a definable bank and bed. Wetlands, as defined by the Corps, need not be present for CDFG to exert authority. 5.0 METHODS OF ANALYSIS FOR GENERAL BIOLOGICAL RESOURCES A special - status plant and wildlife species database search and review was conducted using the CNDDB and other sources. An additional search was conducted for special - status plants using California Native Plant Society Inventory on -line (CNPS). Special - status species reports were accessed by searching the CNDDB database by the Livermore and Dublin 7.5- minute quadrangles, which surround the Property, and by examining those species that have been identified in the vicinity of the Property. The database report identified special - status species known to occur in the region or those that have the potential to occur in the vicinity of the Property. The CNDDB report was used to focus special - status species analysis of the site prior to the reconnaissance surveys (CNDDB 2006). 01berding Environmental biologists conducted an initial reconnaissance -level survey of the Property on June 1, 2006. A second survey was performed on August 7, 2006, for the purpose of performing a focused plant survey and nesting raptor survey. All surveys consisted of walking throughout the site and evaluating the Property and adjacent lands for potential biological resources. Existing conditions, observed plants and wildlife, adjacent land use, soils and potential biological resource constraints were recorded during the visit. Plant and wildlife species observed within and adjacent to the Property during the surveys are included in Attachment 2, Table 1. The objectives of the field surveys were to determine the potential presence or absence of special - status species habitat listed in the CNDDB database report and to identify any wetland areas that could be potentially regulated by the Corps (CNDDB 2006). In addition, Olberding Environmental biologists looked for other potential sensitive species or habitats, which may not have been obvious from background database reports or research. Surveys conducted after the growing season or conducted outside of the specific flowering period for a special - status plant cannot conclusively determine the presence or absence of such plant species; therefore, site conditions and habitat type were used to determine potential for occurrence. When suitable habitat was observed to support a special - status plant or animal species it was noted in the discussion for that particular species. Regulatory agencies evaluate the possibility of occurrence based on habitats observed on site and the degree of connectivity with other special - status animal habitats in the vicinity of the Property. These factors are discussed in each special- status plant or animal section. Sources consulted for agency status information include USFWS (2005a, 2005b) for federally listed species and CDFG (2005a) for State of California listed species. Based on information from the above sources, Olberding Environmental developed a target list of special - status plants and animals with the potential to occur within or in the vicinity of the Property (Attachment 2, Table 2). 5.1 Plant Survey Methods The purposes of the botanical surveys were (1) To characterize the habitat types (plant communities) of the study area; (2) to determine whether any suitable habitat for any special- status plant species, occurs within the study area; and (3) to determine whether any sensitive habitat types (wetlands) occur within the study area. Site conditions and plant habitat surveys are important tools in determining the potential occurrence of plants not recorded during surveys (e.g., special - status plants) because presence cannot conclusively be determined if field surveys are conducted after the growing season or conducted outside a specific flowering period. The surveys followed the CDFG (2000) and CNPS (2001) published survey guidelines. These guidelines state that special- status surveys should be conducted at the proper time of year when special - status and locally significant plants are both evident and identifiable. These guidelines also state that the surveys be floristic in nature with every plant observed identified to the species, subspecies, or variety as necessary to determine their rarity status. Finally, these surveys must be conducted in a manner that is consistent with conservation ethics and accepted plant collection and documentation techniques. Following these guidelines, surveys were conducted during the time period when special - status plant species from the region were known to be evident and flowering. All regions of the property were examined by walking line transects through the entire site, and by closely examining the microhabitats that could potentially support special - status plants. All the plants found on the project site were identified to species. A list of all vascular plant taxa encountered with in the project site was recorded in the field. Plants that needed further evaluation were collected and keyed in the lab. Final determinations for collected plant material were made by keying using The Jepson Manual. 5.1.1 Review of Literature and Data Sources 6 Botanists from Olberding Environmental conducted focused surveys of literature and special - status species databases in order to identify special - status plant species and sensitive habitat types with potential to occur in the study area. Sources reviewed include: CNDDB occurrence records ( CNDDB 2006) and CNPS Inventory (Skinner and Pavlik 1994) for the Livermore and Dublin USGS 7.5 quadrangles; and standard flora (Hickman 1993). From the above sources, a list of special - status plant species with potential to occur in the project vicinity was developed (Attachment 2, Table 2). 5.1.2 Field Surveys An Olberding Environmental botanist conducted a reconnaissance -level survey to determine habitat types and the potential for special - status plants based on the observed habitat types on June 1, 2006. All vascular plant species that were identifiable at the time of the survey were recorded and identified using keys and descriptions in Hickman (1993). A second survey was performed on August 7, 2006, in order to focus on the identification of special - status plant species recognized as having the potential to occur on the Property based on the observed habitat types and reviewed CNDDB records. The habitat types occurring on the Property were characterized according to pre - established categories. In classifying the habitat types on the site, the generalized plant community classification schemes of Manual of California Vegetation (Sawyer and Keeler -Wolf 1995) were consulted. The final classification and characterization of the habitat types of the study area were based on field observations. 5.2 Wildlife Survey Methods The purposes of the wildlife surveys were to identify special - status wildlife species and/or potential special - status wildlife habitats within the study area. 5.2.1 Review of Literature and Data Sources A focused review of literature and data sources was conducted in order to determine which special - status wildlife species had potential to occur in the vicinity of the Property. Current agency status information was obtained from USFWS (2006b, c) for species listed as Threatened or Endangered, as well as Proposed and Candidate species for listing, under the federal ESA; and from CDFG (2005, 2005b) for species listed as Threatened, or Endangered by the state of California under the CESA, or listed as "species of special concern" by CDFG. From the above sources, a list of special - status wildlife species with potential to occur in the project vicinity was developed (Attachment 2, Table 2). 5.2.2 Field Surveys General Wildlife Surve Olberding Environmental biologists conducted surveys of species habitat within the entire study area, including visible portions of the adjacent properties on June 1 and August 7, 2006. The purpose of the habitat surveys was to evaluate wildlife habitats and the potential for any protected species to occur on or adjacent to the Property. Reconnaissance -Level Raptor Survey Reconnaissance -level raptor surveys were conducted on the Property on June I and August 7, 2006. Observation points were established on the periphery of the Property to view raptor activity over a fifteen to thirty- minute time period. This survey was conducted with the use of binoculars and notes were taken for each species occurrence. Additionally, utility poles and perch sites in the vicinity of the Property were observed. All raptor activity within and adjacent to the Property was recorded during the reconnaissance -level observation period. Reconnaissance -Level Burrowing Owl (Athene cunicularia) Survey Reconnaissance -level burrowing owl (Athene cunicularia) surveys were also conducted on the Property on June 1 and August 7, 2006 to identify potential burrow sites or burrowing owl use of on- site habitat. The general presence and density of suitable burrow sites (e.g., rodent burrows) was evaluated for the Property. Rodent burrows encountered during the site visit were investigated for presence of potential burrowing owl residence. Each potential burrow observed was evaluated for the presence of castings, whitewash, bones, feathers or other signs of burrowing owl habitation. Observations were recorded. The fence line around the Property and any potential perching sites were investigated for signs of castings at the base of the posts. Special- Status Plant Surveys Habitats known to potentially support special - status plant species, and areas in which special - status plants had previously been known to occur were surveyed on June 1, 2006. These areas were surveyed to determine if special - status plants were still present, and the approximate number of plants that were present. A second focused survey was performed on August 7, 2006. 6.0 RESULTS FOR GENERAL BIOLOGICAL RESOURCES The search and review of the CNDDB database reports revealed the occurrence of special - status plant and wildlife species that occur in annual grassland, coastal oak woodland, and valley foothill riparian habitats ( CNDDB 2006). The CNDDB database and background data were reviewed for the Livermore and Dublin 7.5 minute quadrangles (Attachment 2, Table 2). Those animals listed in Attachment 2, Table 2 were reviewed for their potential to occur on the Property based on general habitat types. Many of the plant and animal species identified by the CNDDB in the quadrangles require a specific habitat microclimate that was found not to occur within the Property. 6.1 Plant Survey Results 6.1.1 Floristic Inventory and Habitat Characterization In classifying the habitat types on the Property, generalized plant community classification schemes were used (Sawyer and Keeler -Wolf 1995). The final classification and characterization of the habitat types of the study area were based on field observations. Annual Grassland The grassland habitat on the Property best corresponded with the annual grassland description found in Mayer (1988). The annual grassland is found on the sloping hillsides and flat lands throughout the Property. The grassland is dominated by wild oat (Avena fatua), ripgut brome (Bromus diandrus) and soft chess (Bromus hordeaceous), while the broadleaf plants consist of winter vetch (Vicia villosa), red - stemmed filaree (Erodium cicutarium), and sheep sorrel (Rumex acetosella). Valley Foothill Riparian Abundant riparian habitat grows along both the Moller Creek and Tassajara Creek corridors. The riparian vegetation forms a dense cover over most of the channel features. The habitat on the Property (Moller Creek) is more accurately described as a willow dominated riparian corridor with associate tree species. The arroyo willow (Salix lasiolepis) is the dominant riparian tree species and forms dense thickets across and along the waterway. Live oak (Quercus agrifolia) trees form the border the riparian habitat. The edges of the riparian areas are vegetated with mugwort (Artemisia douglasiana), poison oak (Toxicodendron diversilobum), blackberry (Rubus ursinus), and annual grasses. Some areas are overwhelmed with the growth of invasive species. Creek Channel A portion of Moller Creek flows across the southern portion of the Property. The creek area includes the channel, adjacent side slopes and floodplain terraces below the top of the creek banks. The channel segment flowing through the Property is generally in a degraded state due to extreme erosion which has resulted in a 15 -20 foot eroded channel section. The cross - section is complex and represents an geomorphologic state with moderately to steeply sloped banks, generally with signs of over - steepening or significant erosion. The channel is moderately sinuous and has not been straightened or engineered. The creek gradient is moderate and the elevation drops are relatively stable. Erosion is evident both up- and downstream providing further evidence that this is a relatively unstable system. The channel feature was observed to be dry with the exception of several shallow stagnant pools. The average water depth in the pools measured approximately 3 -5 inches. The channel contains a bed composed primarily of sand and fine sediment with several small areas containing small to W medium sized cobble. The average width of the channel was estimated to be 8 feet based on measurements taken during the second reconnaissance survey. The channel bottom did not contain any areas dominated by wetland or hydrophytic species. Common species observed on the embankments included mugwort, poison oak, blackberry, and annual grasses. Seasonal Wetland Habitat Three small potential seasonal wetland features occur along the base of a hill located at the northern portion of the Property. These wetlands appear to have formed as a result of irrigation and/or a leaking pool structure. Most of this area was devoid of any standing water at the time of the survey, however, 6 shallow depressions dug in the soil filled with water in several minutes. The seasonal wetland was dominated by English plantain (Plantago lanceolata), harding grass (Phalaris aquatica), tall flatsedge (Cyperus eragrostis), Himalayan blackberry, hyssop loosestrife (Lythrum hyssopifolia), curly dock, redstem filaree (Erodium cicutarium), annual rabbit's -foot grass (Polypogon monspeliensis), and Italian ryegrass. The soil in this area was saturated at the time of the survey and also showed signs of hoof shear, which is used as an indicator of wetland hydrology. This wetland area exhibited a dominance of hydrophytic vegetation and meets the Corps vegetation criteria to be determined a wetland. 6.1.2 Special- Status Plant Species Special - status plant species include species listed as Rare, Threatened, or Endangered by the USFWS (2006a) or by the State of California (CDFG, 2006a). Federal Proposed and Candidate species ( USFWS, 2006b) are also special - status species. Special - status species also include species listed on List IA, List 113, or List 2 of the CNPS Inventory (Skinner and Pavlik, 1994; CNPS 2005). All species in the above categories fall under state regulatory authority under the provisions of CEQA, and may also fall under federal regulatory authority. Considered special - status species are species included on List 3 (Plants about Which We Need More Information —A Review List) or List 4 (Plants of Limited Distribution —A Watch List) of the CNPS Inventory. These species are considered to be of lower sensitivity, and generally do not fall under specific state or federal regulatory authority. Specific mitigation considerations are not generally required for List 3 and List 4 species. A CNDDB map of special status plants occurring in the vicinity of the Property is provided in Attachment 1, Figure 5. Attachment 2, Table 2 includes a list of special - status plants with the potential to occur within or in the immediate vicinity of the Property based on a review of the USGS 7.5 minute quadrangles for Livermore and Dublin. The special - status plant species identified by the CNDDB as potentially occurring in the Property are known to grow only from specific habitat types. The specific habitats or "micro- climate" necessary for most of the plant species to occur are not found within the boundaries of the subject Property. The habitats necessary for the CNDDB reported plant species consist of non - native annual grassland, chaparral, coastal scrub, coastal dunes alkaline flats, and marshes or swamps. The following special status plant species were reviewed for their potential to occur on the Property. Heartscale (Atriplex cordulata). CNPS List 1B. 10 Heartscale is an annual shrub of the family Chenopodiaceae, the Goosefoot family. Leaves and stems of this bush are gray and scaly. It has a pistillate inflorescence with bracts in fruit of 3.5 to 5 mm, fused to the middle. Heartscale can be found in Alameda, Contra Costa, and Merced Counties among others, but is considered extirpated in San Joaquin, Stanislaus, and Yolo Counties. It is found in chenopod scrub, meadow, seep, and saline or alkaline valley and foothill grassland habitats, and blooms from April through October. The annual grassland habitat on the Property is considered potentially suitable for heartscale. There are no CNDDB occurrences of heartscale within a five -mile radius of the Property. Due to the lack of recent occurrences and this history of grazing on the Property, heartscale is considered unlikely to be present on the site. Focused surveys for heartscale were conducted during the recognized blooming period in 2006. Results of the spring /summer surveys resulted in a negative finding for heartscale. This species is not present on the Property. Brittlescale (Atripiex depressa). CNPS List 1B. Brittlescale is an annual herb in the Goosefoot family. The leaves of this plant are ovate to cordate and covered in a dense white scale. It has a pistillate inflorescence with bracts in fruit 2 to 3.5 mm, fused near the top. Fruit is ovate or diamond - shaped and covered in a white scale. This species is generally found in chenopod scrub, meadow, seep, playa, valley and foothill grassland, and vernal pool habitats in alkaline, clay soils. It occurs in Alameda, Contra Costa, Colusa, Fresno, Glenn, Merced, Solano, Tulare, and Yolo Counties. The blooming period is from May to October. Threats to brittlescale include grazing and development. The annual grassland habitat on the Property is considered potentially suitable for brittlescale. There are no CNDDB occurrences of brittlescale within a five -mile radius of the Property. Due to the lack of recent occurrences, and the history of grazing on the Property, brittlescale is considered unlikely to be present. Focused surveys for heartscale were conducted during the recognized blooming period in 2006. Results of the spring/summer surveys resulted in a negative finding for heartscale. This species is not present on the Property. San Joaquin Spearscale (Atripiex ioaguiniana). CNPS List 1B. San Joaquin spearscale is an annual herb in the family Chenopodiaceae. Leaves of the San Joaquin spearscale are ovate to triangular, with fine gray scales above. Flowers are dense and spike or panicle -like with dark brown seeds. It is found in Alameda, Contra Costa, Merced, Monterey, Napa, Sacramento, San Benito, Solano, and Yolo Counties. It is considered extirpated in Santa Clara, San Joaquin, and Tulare counties. Habitat for the San Joaquin spearscale includes chenopod scrub, meadows, seeps, playas, and valley and foothill grasslands with alkaline soils. Blooming occurs between April and October.. Three occurrences of this species have been made from 1996 to 2004 within the vicinity of the Project Site. The closest occurrence was recorded 1993 (Occurrence #35), where approximately 10, 000 plants were observed in Amador Valley approximately 0.4 miles west of Fallon Road, located at a distance of approximately 1.8 miles south southeast of the Property. 11 Due to the occurrence of this species in the areas surrounding the Property and the presence of suitable habitat on the site, San Joaquin spearscale was considered somewhat likely to be present on the Property. Directed surveys were conducted during the recognized blooming period in 2006. Results of the spring/summer surveys resulted in a negative finding for San Joaquin spearscale. This species is not present on the Property. Congdon's Tarplant (Centromadia parryi ssp congdonii). CNPS List 1B Congdon's tarplant is a member of the genus Hemizonia in the sunflower family (Asteraceae). It is one of four subspecies of Parry's tarplant (Hemizonia parryi). Congdon's tarplant is a prostrate to erect, annual herb with rigidly spine- tipped leaves and yellow ray- and disk - flowers (head). It occurs in valley and foothill grasslands in moist alkaline soils and blooms between June and November. Historically, Congdon's tarplant was distributed from Solano County south to San Luis Obispo County. The non- native annual grassland on the Property is potentially suitable habitat to support this species. Several observations of this species have been made in the vicinity of the Property. The closest occurrence of this species to the vicinity of the Property was documented in 1998 (Occurrence #43), where approximately 9,600 individuals were observed in grassland habitat along Tassajara Road about 2.2 miles north of I -580, north of Pleasanton, at a location that is immediately south of the Property. The plant has been sighted along Tassajara Road about 0.7 miles north of 1 -580, north of Pleasanton approximately 1.5 miles south of the Property. Due to the occurrence of this species in the areas surrounding the Property and the presence of suitable habitat on the site, Congdon's tarplant was considered somewhat likely to be present on the Property. Directed surveys were conducted during the recognized blooming period in 2006. Results of the spring/summer surveys resulted in a negative finding for Congdon's tarplant. This species is not present on the Property. Palmate Bracted Bird's Beak (Cordylanthus palmatus) Federal Endangered, California Endangered CNPS List 113. Palmate - bracted bird's -beak is endemic to California. It is considered seriously endangered in this state. This plant is gray -green in color, glandular and hairy. Flowers are whitish with pale lavender sides. Palmate - bracted bird's -beak occurs in Alameda, Colusa, Fresno, Madera, and Yolo Counties, but is considered extirpated in San Joaquin County. It is found in chenopod scrub, and valley and foothill grassland habitats with alkaline soils. Blooming occurs between May and October. The annual grassland habitat is considered potentially suitable for palmate - bracted bird's -beak. There are no occurrences of this species within a five -mile radius of the Property. Due to the lack of recent occurrences, and the history of grazing, palmate - bracted bird's -beak is considered unlikely to be present on the site. Focused surveys for heartscale were conducted during the recognized blooming period in 2006. Results of the spring/summer surveys resulted in a negative finding for heartscale. This species is not present on the Property. 12 Diablo Helianthella ( Helianthella castanea) CNPS 113. Diablo helianthella is a perennial that exhibits yellow sunflowers that bloom between April and June. The plant has simple broad leaves that are attached at the base of the stem and grows up to two feet in height. The Diablo helianthella is known to grow in broadleaved upland forest, chaparral, cismontane woodland, coastal scrub, riparian woodland, and valley and foothill grassland habitats. The annual grassland habitat within the Property considered potentially suitable for Diablo helianthella. There are no CNDDB occurrences of this species within a five -mile radius of the Property, so this species is considered unlikely to be present on the site. Focused surveys for heartscale were conducted during the recognized blooming period in 2006. Results of the spring /summer surveys resulted in a negative finding for heartscale. This species is not present on the Property. Hairless Popcorn Flower (Plagiobothrys Waber). CNPS List IA Hairless popcorn flower is an annual herb that is a member of the forget -me -not (Boraginaceae) family. Hairless popcorn flower is on CNPS List IA. It has no federal or state listing status. Historically, this plant occurred in Alameda, Merced, Marin, San Benito and Santa Clara Counties, however, this species is now presumed extirpated throughout this entire region. This species was last observed in Livermore in 1942 and is presumed absent from the site. Hairless popcorn flower is associated with meadows and seeps in alkaline soils, and in coastal salt marshes and swamps. Potential seep habitat was observed on the Property, however, alkali soils were absent from those locations. Focused surveys for the hairless popcorn flower were not conducted during the recognized blooming period (March -May) in 2006. Results of the spring/summer surveys resulted in a negative finding for hairless popcorn flower. Based on the limiting factors described above, this species would not be expected to be present on the Property. Saline Clover (Trifolium depauperatum var. hydrophilum). CNPS List 1B. Saline clover is a member of the pea family, Fabaceae. It blooms between April and June. This species is found in marshes and swamps, mesic valley and foothill grasslands with alkaline soils, and vernal pools, between 0 and 300 meters in elevation. It is thought to occur in Alameda, Colusa, Monterey, Napa, San Benito, Santa Clara, San Luis Obispo, San Mateo, Solano, and Sonoma Counties. It is threatened by development and current fieldwork is needed to determine if populations still exist in many counties. The closest occurrence of this plant to the Property was documented in 2002 when 60 plants were sighted east of Tassajara Road, north of highway 580, south of Dublin Avenue, at a location that is approximately 2.2 miles south of the Property. Due to the occurrence of this species in the areas surrounding the Property and the presence of suitable habitat on the site, Congdon's tarplant was considered somewhat likely to be present on the Property. Directed surveys were conducted during the recognized blooming period in 2006. Results of the spring/summer surveys resulted in a negative finding for Congdon's tarplant. This species is not present on the Property. 13 Caner- Fruited Tropidocarpum (Tropidocarpum capparideum). CLAPS List 113 Caper - fruited tropidocarpum is an annual herb from the mustard family (Brassicaceae). This species was once found in Alameda, Contra Costa, Glenn, Monterey, Santa Clara, San Joaquin, and San Luis Obispo Counties. It is now presumed extirpated in all but San Luis Obispo County. This species is known to occur on hillsides in valley and foothill grassland habitats with alkaline soils. The annual grassland habitat is considered potentially suitable for caper - fruited tropidocarpum. This species occurred historically in the lands east of the city of Livermore, but has not been recorded in the area since 1897. Caper - fruited tropidocarpum is associated with valley and foothill grasslands on alkaline hills. This habitat was observed on the Property. Focused surveys for the caper - fruited tropidocarpum were not conducted during the recognized blooming period (March - April) in 2006. Results of the spring /summer surveys resulted in a negative finding for caper - fruited tropidocarpum. Based on the limiting factors described above, this species would not be expected to be present on the Property. 6.2 Wildlife Survey Results 6.2.1 General Wildlife Species and Habitats Wildlife species commonly occurring within habitat types present on the Property are discussed on the following page: Non - native Annual Grassland Botta's pocket gopher (Thomomys bottae) and meadow voles (Microtus californicus), subspecies unknown, tunnel tailings were observed in the non - native grassland habitat in the Property area. The grassland habitat is also suitable nesting habitat for the burrowing owl and northern harrier. Small mammals that forage on the seeds and plants found in annual grasslands include field mouse (Peromyscus sp.), California ground squirrel (Spermophilus beecheyi), and black- tailed jack rabbit (Lepus californicus). California ground squirrel and black - tailed jackrabbit were observed during the survey. The identification of small mammals in these grassland areas makes them potential foraging sites for raptors such as hawks and owls, and other predators such as snakes and feral cat (Fells cattus). Typical reptile species that would be expected to occur in this habitat could include western fence lizard (Sceloporus occidentalis), and gopher snakes (Pituophis catenifer). Passerine birds (having feet adapted to perching) noted in the non - native grassland include, mourning dove (Zenaida macroura), and black phoebe (Sayornis nigricans). A red - tailed hawk (Buteo jamaicensis) was observed foraging in the grassland. A grove of eucalyptus trees is also located immediately south of the Property in the non - native grassland habitat. Willow Riparian and Oak Woodland Numerous passerines are found within the willow riparian habitat including species such as the plain titmouse (Parus inornatus), acorn woodpecker (Melanerpes formicivorus) California towhee (Pipilo 14 fuscus), yellow - rumped warbler (Dendroica coronata), chestnut - backed chickadee (Parus rufescens), and bushtit (Psaltriparus minimus). The willow riparian habitat on the Property provides nesting opportunities for passerines and raptor species. The trees in the riparian and oak woodland areas are appropriate for use by both raptors and smaller bird species. The red - shouldered hawk and American kestrel could find suitable nesting opportunity within the wooded habitats on the Property. A small grove of eucalyptus trees were observed directly outside of the southwestern Property boundary. These trees could provide potential nesting sites for various raptor species. Creek Channel The riparian habitat provided in the creek corridor is used by many species due to the presence of vegetation cover and potential food sources. Mammals such as raccoon (Procyon lotor) and opossum (Didelphis virginiana) use the corridor for local movement, food and cover, but were not actually observed on the site. The western pond turtle and the California red - legged frog are known to be on the site and use habitats within the riparian areas. Also, numerous bird species are found in the creek corridor as there is an abundant food source of insects within the trees. The birds observed along the creek corridor consisted of spotted towhee (Pipilo maculatus), California towhee (Pipilo crissalis), white- breasted nuthatch (Sitta carolinensis), and plain titmouse (Parus inornatus) to name a few. Please see Table 2 of Attachment 2 for a complete list of wildlife observed on the Property. Seasonal Wetland Habitat During rainy periods, the seasonal wetlands support wildlife species such as Pacific treefrogs (Pseudacris regilla), western toads (Bufo boreas), and small invertebrates. Wading birds such as snowy egret (Egretta thula), great egret (Ardea alba), great blue heron (Ardea herodias), killdeer (Charadrius vociferous), and common snipe ( Gallinago gallinago) may forage in these areas during wet conditions as well. Although the majority of the potential wetland was dry at the time of the survey, water was observed to saturate the soil to the surface providing prolonged foraging for these species into the summer months. During the dry season, wildlife species that use the annual grasslands will be found in the seasonal wetlands. 6.2.2 Special- Status Wildlife Species A CNDDB map of special status plants occurring in the vicinity of the Property is provided in Attachment 1, Figure 5. Attachment 2, Table 2 includes a list of special - status wildlife species with potential to occur in the project area. Special- status wildlife species include species listed as Rare, Threatened, or Endangered by the USFWS (2005b & 2005c) or by the State of California (CDFG, 2005b). The search and review of the CNDDB database reports revealed the occurrence of special - status species that could potentially occur in the annual grassland, developed, and seasonal wetland habitats supported by the Property. In addition, several state - protected raptors could forage and nest on the Property. Attachment 2, Table 2 provides a summary of the species, their status, and habitat requirements. For the analysis of the site, the following specific discussions on the special - status 15 wildlife included the following species: INVERTEBRATES Vernal Pool Fairy Shrimp (Branchinecta lyncht). Federal Threatened. The vernal pool fairy shrimp is approximately 3/4 inches in length. This species inhabits seasonal wetlands such as alkaline pools, intermittent drainages, drainage ditches, oxbows, stockponds, and vernal pools and swales. The eggs of the vernal pool fairy shrimp become encysted during dry periods and hatch when seasonal wetlands refill. Threats to the vernal pool fairy shrimp include loss of habitat, agriculture, foot traffic, and off -road vehicles. There are no listed CNDDB occurrences of this species within a five -mile radius of the Property. The closest sighting located approximately 6.4 miles east south east of the Property was recorded in 1996. The sighting was documented 0.6 mile east of the intersection of Hartford Avenue and North Livermore Avenue, 1. 3 miles north of interstate 580 in seasonal wetland habitat surrounded by non- native annual grassland upland habitat. Due to the lack of nearby occurrences and suitable vernal pools or seasonal wetlands required for successful breeding, the vernal pool fairy shrimp is considered unlikely to occur on site. This species is presumed to be absent from the Property. AMPHIBIANS California Red Legged Frog (Rana aurora draytonii). Federally Threatened. California Species of Concern. California red - legged frog (CRLF) is a State Species of Concern and is federally listed as threatened. The CRLF is found in lowlands, foothill woodland and grasslands, near marshes, lakes, ponds or other water sources. These amphibians require dense shrubby or emergent vegetation closely associated with deep still or slow moving water. Generally these frogs favor intermittent streams with water at least 2.5 feet deep and where the shoreline has relatively intact emergent or shoreline vegetation. The red - legged frog is known from streams with relatively low gradients and those waters where introduced fish and bullfrogs are absent. The red - legged frog occurs west of the Sierra Nevada - Cascade and in the Coast Ranges along the entire length of the state. The Tassajara Creek channel is considered potentially suitable breeding habitat for CRLF. The creek contains abundant emergent vegetation in pool habitat that is appropriate CRLF breeding habitat. There are multiple occurrences of CRLF in the immediate vicinity of the Property. CRLF have been previously documented in Tassajara Creek at a location that is within a mile of the Property (1992 sighting). CRLF have also been documented in pool habitat within a tributary to Tassajara Creek located approximately 0.5 miles southeast of the Property (1999 sighting). A third recent sighting within a mile of the Property is a sighting located within the east fork of Tassajara Creek, approximately 0.4 miles northeast of the Property (1998 sighting). CRLF are expected to occur throughout the Tassajara Creek watershed in creek, riparian and upland habitat with appropriate cover for frogs. This species was not observed during the 2006 survey. 16 California Tiger Salamander (Ambystoma californiense) FederalThreatened /Endangered, California Species of Concern Adult California tiger salamanders inhabit rolling grassland and oak savannah. Adults spend most of the year in subterranean retreats such as rodent burrows, but may be found on the surface during dispersal to and from breeding sites. The preferred breeding sites are vernal pools and other temporary ponds. However, CTS may use permanent manmade ponds as breeding habitat. California tiger salamander adults begin migrating to ponds after the first heavy rains of fall and can be found in or around the breeding ponds during and after winter rainstorm events. In extremely dry years, California tiger salamanders may not reproduce. After mating, females lay several small clusters of eggs, which contain from 1 to over 100 eggs. The eggs are deposited on both emergent and submerged vegetation, as well as submerged detritus. A minimum of ten weeks is required to complete larval development through metamorphosis, at which time the larvae will normally weigh about 10 grams. Larvae remaining in pools for a longer time period can grow to much larger sizes. Upon metamorphosis, juvenile California tiger salamanders migrate in large masses at night from the drying breeding sites to refuge sites. Prior to this migration, the juveniles spend anywhere from a few hours to a few days near the pond margin. Adult California tiger salamanders are largely opportunistic feeders, preying upon arthropod and annelid species that occur in burrow systems, as well as aquatic invertebrates found within seasonal pools. The larvae feed on aquatic invertebrates and insects, showing a distinct preference for larvae of the Pacific tree frog. On August 4, 2004, the U.S. Fish and Wildlife Service announced the listing of the California Tiger Salamander as threatened throughout its range, with the exception of the Sonoma and Santa Barbara County populations which are currently listed as endangered (USFWS 2005). On August 23, 2005, the Service designated 199,109 acres of critical habitat in19 counties for the Central California population of the California tiger salamander. On August 2, 2005, they proposed 74,223 acres of critical habitat for the Sonoma population. This habitat is located in the Santa Rosa Plain in central Sonoma, and includes lands bordered on the west by Laguna de Santa Rosa, to the south by Skillman Road northwest of Petaluma, to the east by foothills, and to the north by Windsor Creek. In addition, a recovery plan for the Sonoma population is currently under development. The annual grassland habitat on the Property is considered potentially suitable aestivation habitat for the California tiger salamander. There are multiple occurrences of CTS in the immediate vicinity of the Property. California ground squirrel burrows that could serve as aestivation habitat were found within the annual grassland habitat. In 1998, CTS larvae were documented at a stock pond located 1.4 miles south of the Property. An adult CTS was documented immediately west of Tassajara Creek in 1997, at a location that is 0.6 miles north of the County Rehabilitation Center, at a distance of 1.4 miles southwest of the Property. In 2000, CTS were documented at a stock pond located 0.7 miles east of Tassajara Road and 0.7 miles south of the Alameda/Contra Costa County line, 0.71 miles southeast of the Property. This species was not observed during the 2006 survey. REPTILES Southwestern Pond Turtle (Clemmys marmorata pallida). California Species of Concern. 17 The southwestern pond turtle is a thoroughly aquatic turtle that may be found in marshes, ponds, streams and irrigation ditches where aquatic vegetation is present. The turtles require basking sites and suitable upland habitat for egg laying. Suitable breeding upland habitats may consist of sandy banks or grassy open fields. The southwestern pond turtle is a smaller relative to the western pond turtle. Southwestern pond turtles have been observed within Tassajara Creek in pool habitat occurring approximately 0.75 miles south of the Property. Habitat for the southwestern pond turtle is present in the stretch of Tassajara Creek that runs immediately west of the Property. The site contains suitable upland habitat for nesting; habitat adjacent to the site contains permanent water in which the turtle may forage. Specific surveys for southwestern pond turtles were not conducted on the Property; however, none were observed during reconnaissance level surveys. This species was not observed during the 2006 survey. Alameda Whipsnake (Masticophis lateralis euryxanthus). Federal Threatened Species. The Alameda whipsnake is one of two subspecies of the California whipsnake, distinguished from the chaparral whipsnake (M. 1. lateralis) by the broad orange striping on its sides. Adults reach approximately 3 to 5 feet in length and show a sooty black to dark brown back, cream colored undersides and pinkish tail. This species is typically found in chapparal, northern coastal sage scrub, and coastal sage habitats, however annual grasslands, oak woodlands, and oak savannah serve as habitat during the breeding season. Egg - laying occurs near scrub habitat, on ungrazed grasslands with scattered shrub cover. The known distribution for Alameda whipsnake includes Sobrante Ridge, Oakaland Hills, Mount Diablo, the Black Hills, and Wauhab Ridge. The Property occurs immediately east of Proposed Critical Habitat for the Alameda whipsnake. There is a single occurrence of the Alameda whipsnake documented in 1996 at an unknown location within the Dublin quadrangle. Habitat documented at the location of the sighting was described as brush scrub and annual grassland habitat. There is no scrub habitat suitable for the Alameda whipsnake at the Property. Due to the barriers to movement between known habitat for the snake, and a lack of occurrences in the vicinity of the Property, the Alameda whipsnake is considered unlikely to occur on the Property. This species was not observed during the 2006 survey. BIRDS Golden Eagle (Aquila chrysaetos). California Species of Concern. The golden eagle is typically found in open grasslands, pastures, oak woodland, often near lakes and rivers. Golden eagles have been observed foraging within the rolling grassland habitat occurring immediately east of the Property (multiple sightings in 2004). Nesting habitat includes, isolated ledges and tall trees. Threats include human disturbance, loss of habitat, shooting, lead poisoning and electrocution from power lines. Grasslands on the Property are considered potentially suitable foraging habitat for the golden eagle, but this species is not expected to nest on the site. The golden eagle has been observed in grassland habitat immediately east of Tassajara Road, east of the Property. The golden eagle was not observed during surveys of the site. Red - Tailed Hawk (Buteo jamaicensis). State Protected 18 The red - tailed hawk is a large Buteo that is distinct due to the red color of the tail feathers in contrast to the brown color of the main body. Not all red -tail hawks exhibit this coloration on their tail and gradations may occur especially in young birds. Red - tailed hawks hunt rodents by soaring over grassland habitat. Nest trees for red - tailed hawks are usually tall trees with a well developed canopy that include a strong branching structure on which to build a nest. Red - tailed hawks find ample foraging and nesting habitat in the annual grassland and oak savanna habitat throughout all of the development sites. Suitable nest trees occur on the in the oak woodland and riparian area on the Property. A red tailed hawk was observed to forage over the site during the reconnaissance site visit, but no evidence of current nesting was detected. Red - Shouldered Hawk ( Buteo lineatus). State Protected. The red - shouldered hawk is a medium - sized, slender Buteo with long legs and a long tail and is smaller than the red - tailed hawk. Upperparts are dark with pale spotting, and rusty- reddish feathers on the wing create the distinctive shoulder patch. The tail has several wide, dark bars; the intervening narrow stripes and the tip of the tail are white, and there is variation in the number of tail bars among adults and juveniles. The habitat that the red - shouldered hawk prefers varies from bottomland hardwoods and riparian areas to upland deciduous or mixed deciduous- conifer forest, and almost always includes some form of water, such as a swamp, marsh, river, or pond. In the west, sometimes the red - shouldered hawk occurs in coniferous forests, and it has been expanding range of occupied habitats to include various woodlands, including stands of eucalyptus trees amid urban sprawl. The riparian habitat associated with Tassajara Creek is considered potentially suitable foraging and nesting habitat for the red - shouldered hawk. This species was not observed during the reconnaissance survey, but has been observed within the Tassajara Creek corridor and is considered likely to occur within the site. Northern Harrier (Cicus cyaneus). California Species of Concern. Northern harriers require open annual grassland habitats and prefer dense ground vegetation or grasses in which to build nests. They are distinguished from other similar species by their prominent white rump patch. Males are pale gray in color while females are brown with dark streaking on the breast. These birds are ground nesters and utilize habitats ranging from annual grassland to seasonal wetland for this purpose. The grassland habitat at the Property is considered suitable foraging habitat for the northern harrier. It is not considered suitable to support nesting northern harriers because, due to grazing of most of the site, the vegetation is sparse and does not provide sufficient cover for nesting sites. This species was not observed during the 2006 survey. 19 American Kestrel (Falco sparverius). State Protected. The American kestrel is the smallest of raptor species and is distinct due to its diminutive size and the barring on its head. The female kestrel is slightly larger than the male bird and is differentiated by its brown and red coloration. The male kestrel is slightly smaller than the female and has grey wing patches near the top of the wing. Kestrels utilize cavities in trees for nesting and hunt small rodents and sometimes small birds. Annual grasslands on the Property are considered potentially suitable foraging habitat for this species. Nesting areas would be available in the trees along the Tassajara Creek corridor or in the oak woodland located on the hillsides. American kestrels were not observed on the site during the reconnaissance survey. Cooper's Hawk (Accipiter cooperii). State Protected Cooper's hawks are medium sized raptors that exhibit the same coloration in both males and females. Differences do occur between the sexes but is limited to sizing as the females are much larger than the males. These hawks are broad - winged and long - tailed. They have a short, dark, hooked beak and short, rounded wings. The very long tail of the Cooper's hawk is rounded at tip. These birds often fly with several quick wing beats and a short glide, but also soar. The large angular head projects far beyond wings when soaring. The back and upper wing coloration of the Cooper's hawk is blue -gray while the breast, belly and underwing coverts are white and marked by fine, thin, reddish bars. The habitat in which the Cooper's hawk is found consists of woodlands and riparian areas where small birds occur, the main prey base for these raptors. The riparian habitat on the Property is suitable for this raptor species, but no Cooper's hawks were observed during any survey. Sharp- Shinned Hawk (Accipiter striatus). State Protected. The sharp- shinned hawk is a small raptor with short, rounded wings. This hawk has a long tail that is squared -off at tip with prominent corners. This raptor typically flies with several quick, snappy wing beats and a short glide, but also soars. Its small rounded head does not project far beyond wings when soaring. The adult sharp- shinned hawk exhibits a red eye, black cap, and a blue -gray back and upper wings. The white breast, belly and under wing coverts are marked by fine, thin, reddish bars. This species hunts in woodlands, riparian areas and even densely vegetated urban areas. These raptors capture small birds, rodents and reptiles. Often they hunt along the edges of woodlands, shorelines, and riparian habitats where migrating passerines are found. Nesting habitat for these raptors consists of woodlands, coniferous forest, and dense oak woodland adjacent or close to open areas. The riparian woodland habitat is considered potentially suitable foraging and nesting habitat for the sharp- shinned hawk, but this species was not observed during visits to the site. White - Tailed Kite (Elanus caeruleus). Federal Species of Concern, CDFG: Fully Protected The white - tailed kite is falcon- shaped with a long white tail. This raptor has black patches on the 20 shoulders that are highly visible while the bird is flying or perching. White - tailed kites forage in annual grasslands, farmlands, orchards, chaparral, and at the edges of marshes and meadows. They are found nesting in trees and shrubs such as willows (Salix sp.), California sycamore (Platanus racemosa), and live oak (Quercus agrifolia) often near marshes, lakes, rivers, or ponds. This raptor often hovers while inspecting the ground below for prey. The annual grasslands are considered potentially suitable foraging habitat for white - tailed kites, while small trees and shrubs throughout the Property could potentially serve as nesting habitat. White- tailed kites were not observed during surveys of the site. Burrowing Owl (Athene cunicularia). California Species of Special Concern. The U.S. Fish and Wildlife Service has identified the burrowing owl is as a "candidate" species. Candidate species are animals and plants that may warrant official listing as threatened or endangered, but there is no conclusive data to give them this protection at the present time. As a candidate species, burrowing owls receive no legal protection under the Endangered Species Act (ESA). However, this species does receive some legal protection from the U.S. through the Migratory Bird Treaty Act, which forbids the destruction of the birds and active nests. In California, the burrowing owl considered a "species of special concern." Burrowing owls are ground dwelling members of the owl family and are small brown to tan colored birds with bold spots and barring. Burrowing owls generally require open annual grassland habitats in which to nest, but can be found on abandoned lots, roads, airports, and other urban areas. Burrowing owls generally use abandoned California ground squirrel (Spermophilus beecheyi) holes for their nesting burrow, but are also known to use pipes or other debris for nesting purposes. Burrowing owls prefer annual grassland habitats with low vegetative cover. The breeding season for burrowing owls occurs from March through August. Burrowing owls often nest in loose colonies about 100 yards apart. They lay 3 to 12 eggs from mid -May to early June. The female incubates the clutch for about 28 days, while the male provides her with food. The young owls begin appearing at the burrow's entrance two weeks after hatching and leave the nest to hunt for insects on their own after about 45 days. The chicks can fly well at 6 weeks old. Close investigation of the annual grassland habitat within the site detected unsuitable nesting habitat and marginal foraging habitat for this species. No burrows or burrowing mammals were observed during the survey where a burrowing owl could establish a nest site. No burrowing owls or secondary evidence of their presence was detected within the Property boundaries during the reconnaissance survey. Burrowing owls are presumed absent from the Property at this time. MAMMALS San Joaquin Kit Fox (Vulpes macrotis mutica). Federally Endangered, State Threatened. 21 The San Joaquin kit fox (SJKF) has a slim body with large, conspicuous ears, and a long, bushy, black tipped tail. It is the smallest canid species in North America. The SJKF lives in annual grassland habitats where friable soils are present in which they may excavate den sites. The general habitat requirement for the kit fox is annual grasslands or grassy open habitat stages with scattered shrubby vegetation. Food requirements for the SJKF are rodents, insects, and even garbage in urbanized areas. Grassland habitats with a large rodent prey base and loose textured soils are thought to provide the best habitat for the SJKF. The Property falls within the known historical range of the SJKF. There have been 2 recent occurrences of the kit fox in the vicinity of the Property. The most recent observation was on August 20, 2002 (Occurrence #58), where 1 adult was observed 7 miles northeast of Livermore, 0.6 miles directly east of Brushy Peak, at a distance of approximately 10.2 miles east of the Property. The annual grassland habitat on the Property is considered suitable habitat for the SJKF due to the friable soils, access to migratory corridors, abundance of rodents, and nearby source of freshwater in Sand Creek. This species was not encountered during the reconnaissance survey. 7.0 CONCLUSIONS 7.1 Special- Status Plants The non - native annual grassland and oak woodland habitats on the development site consist of common habitat types that generally lack the special micro requirements that would support the majority of the special - status plants identified by the data bases. Special - status plants tend to be those species that are limited in their occurrence to a specific niche, such as provided by the chemical properties found in serpentine, the sand dunes, chaparral, or other coastal habitats. Based on a review of information contained in the CNDDB, habitat types were identified which could potentially su Sport heartscale, hairless popcorn flower, brittlescale, San Joaquin spearscale, palmate - bracted bird's -beak, Congdon's tarplant, diable helianthella, saline clover and caper - fruited tropidocarpum. Focused plant surveys performed in June and August were conducted during the appropriate b] ooming period for all but two of the plant species (diable helianthella and caper - fruited tropidocarpwn). No special - status plants were observed on the Property. Both the diable helianthella and caper - fruited tropidocarpum require alkali soils which were not observed on the Property. The lack of alkali ;;oils would greatly reduce the potential for these plants to occur on the subject Property. 7.2 Special- Status Wildlife Foraging or Nesting Raptor Species — The entire development site is suitable for raptor species due to the larl;e acreage of grassland, woodland, and riparian habitat on and surrounding the subject Property. Tte red - tailed hawk, red - shouldered hawk, American kestrel, Cooper's hawk, sharp - shinned hawk, and white - tailed kite could find nesting and foraging opportunities on or adjacent to the Property i)ased on the presence of the specific habitat types identified for these species. The golden eagle Eind northern harrier could potentially forage on the site. A red- tailed hawk that was exhibiting territorial behavior typical of nesting birds. However, no nests were identified on or directly adjacent to the Property during spring/summer surveys. A grove of eucalyptus trees is also 22 located immediately south of the Property in the non - native grassland habitat. No raptor nests were found in the canopy of the eucalyptus trees at the time of the surveys. The Department of Fish and Game normally imposes a setback from all active raptor nest trees. The eucalyptus trees are in close enough proximity to the Property that a setback buffer would encroach onto the Property. Special Status Reptiles and Amphibians - The California red - legged frog, California tiger salamander and the southwestern pond turtle may find suitable habitat within the Property. The habitat within the Tassajara Creek corridor is considered to be suitable habitat to support the California red - legged frogs and the southwestern pond turtle. Annual grassland habitat located within the Property may support the California tiger salamander. Given that these species have been recorded in the vicinity of the Property it is likely that that they occur on site. Special- Status Mammals — The annual grassland habitat within the Property could be utilized by the San Joaquin kit fox. 8.0 RECOMMENDATIONS • Proposed activities on the Property may result in vegetation removals that could directly destroy nests, eggs and immature birds, and would remove future nesting habitat for birds, including sensitive species such as migrating songbirds. If impacts to onsite trees cannot be avoided, then the removal of these trees should occur outside the breeding season, which is typically between January and July. • Pre - construction surveys for nesting raptors would be necessary due to the presence of suitable nesting trees on and adjacent to the Property. The tall redwood tree and the oak trees on the site represent potential nesting habitat for raptors and should be surveyed if removal of the trees is to occur after January and prior to July. Raptor surveys are also recommended if grading is to occur within a 100 -foot distance of any known nesting site. If required, surveys should be performed prior to January to identify and potential nesting trees prior to the birds laying eggs. Once eggs have been laid, a buffer must be established around the nest site and the site protected until August 1 or until the young have fledged. • Several special - status plant species have been identified as having the potentially to occur on the Property based on occurrence of appropriate habitat types. The CDFG requires a 10 -day notification period prior to any grading or earthworks that will impact a listed plant species. Therefore, it is recommended that prior to construction a survey be performed to document absence /presence of any special - status plant species. Staking of rare plants on site would be required so that salvage of said plant material could be accomplished by CDFG. • Habitat on and adjacent to the Property may be suitable to support the California red - legged frog and the California tiger salamander. Potentially suitable habitat for California red - legged frogs has been documented to occur within Tassajara Creek and its tributaries. Pre - construction surveys should be conducted no more than 3 -days prior to construction to determine absence /presence within the construction area. Implementation of appropriate 23 mitigation measures would ensure that impacts to red - legged frog, and California tiger salamander would be avoided or minimized. Mitigation measures may include set back buffers from the riparian corridor, limits on construction timing, onsite construction monitoring, and installation of silt fencing along the project and habitat interface. These measures should be determined through consultation with the Department of Fish and Game and Fish and the U.S. Fish and Wildlife Service. • Potentially suitable habitat for the southwestern pond turtle has been identified within the Tassajara Creek corridor. If construction is to occur within the creek corridor or within 50 feet of the channel, a pre - construction survey should be conducted for the turtles to locate their positions. If possible, any southwestern pond turtles identified in the construction area should be moved prior to commencement of construction activity. • Potentially suitable habitat for the San Joaquin kit fox has been identified within the annual grassland habitat on the Property. If vegetation clearing or construction is to occur within the annual grassland habitat, a pre - construction survey should be conducted to determine if the kit fox is present. • It is recommended that a formal jurisdictional delineation be conducted in accordance with U.S. Army Corps of Engineers guidelines. This delineation would determine the boundaries of the creek feature and potential seasonal wetlands, and determine if any of the features are under the jurisdiction of the Corps or Regional Water Quality Control Board. If these features are determined to be jurisdictional, permit applications must be filed with the Corps CDFG, and Regional Water Quality Control Board prior to any work. • Grading and excavation activities could expose soil to increased rates of erosion during Property construction periods. During construction, runoff from the proposed Property could adversely affect any aquatic life that may be in the potential seasonal wetland on the Property. Surface water runoff could remove particles of fill or excavated soil from the site, or could erode soil down - gradient, if the flow were not controlled. Deposition of eroded material in the wetland could increase turbidity, thereby endangering aquatic life. Implementation of appropriate mitigation measures would ensure that impacts to aquatic organisms would be avoided or minimized. Mitigation measures may include best management practices (BMP's) such as hay bales, silt fencing, placement of straw mulch, and hydro seeding of exposed soils after construction as identified in the Storm Water Pollution Prevention Plan (SWPPP). • Additional surveys for burrowing owl, a CDFG species of concern, may be necessary on the site to determine presence or absence of this species if the site is left fallow for an extended period of time. If present, nest exclusion doors or avoidance buffers may be used as negotiated with CDFG. No disturbance should occur within 50 in (approx. 160 ft.) of occupied burrows during the non - breeding season of September 1 through January 31 or within 75 in (approx. 250 ft.) during the breeding season of February 1 through August 31. Avoidance also requires that a minimum of 6.5 acres of foraging habitat be preserved Flo contiguous with occupied burrow sites for each pair of breeding burrowing owls (with or without dependent young) or single unpaired resident bird. 25 9.0 LITERATURE CITED California Department of Fish and Game Natural Diversity Data.Base, computer listings and map locations of historic and current recorded occurrences of special- status species and natural communities of special concern for USGS 7.5 minute quadrangle maps: Livermore and Dublin. June 2006. CDFG 2006. California Wildlife Habitat Relationships. http: / /www.dfg.ca.gov /whdab /index.html California Department of Fish and Game. 2006. Special animals. http: / /ww.dfg.ca.gov /endangered/ special_animal s. html. . 2006. State and federally listed Endangered, Threatened, and Rare plants of California. http://www.dfg.ca.gov/endangered/t epint.pdf. 2006. State and federally listed Endangered and Threatened animals of California. http: //www.dfg.ca.gov /ciidan(rered /t e animal.pdf. California Native Plant Society (CNPS). 2006. Inventory of Rare and Endangered Plants (online edition, v6- 04dl). California Native Plant Society. Sacramento, CA. Accessed on Dec., 15:12:16 from http: / /www.cnps.org /inventory Ehrlich, P.R., D.S. Dobkin, and D. Wheye. 1988. The Birder's Handbook: a field guide to the natural history of North American birds. Simon & Schuster, Inc., New York. 785 pp. Hickman, J. C. (ed.). 1993. The Jepson manual: higher plants of California. University of California Press, Berkeley, CA. 1400 pp. Holland (1986) Preliminary Description of the Natural Communities of California. CDFG. Mayer, K. E. and Laudenslayer W.F. 1988. A Guide to Wildlife Habitats of California. California Pierce, Robert J. 1995. Wetland Delineation Lecture Notes. Wetland Training Institute, Inc., Poolesville, MD. WTI 95 -2. 200pp. Sawyer and Keeler -Wolf. 1995. A Manual of California Vegetation. California Native Plant Society. Skinner, M. W. and B. M. Pavlik (eds.). 1994. Inventory of rare and endangered vascular plants of California. California Native Plant Society Special Publication No. 1 (5th edition). California Native Plant Society, Sacramento, CA. 338 pp. Sibley, D.A. 2000. The Sibley Guide to Birds. Alfred Knopf, New York 26 Sibley, C.G., and B.L. Munroe, Jr. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven and London. 1111 pp. U.S. Fish and Wildlife Service, Resource Management Group, Inc. 1993. National List of Plant Species that Occur in Wetlands. Region 10- California. U.S. Fish and Wildlife Service. 2005. Recovery Plan for the Tidewater Goby (Eucyclogobius newberryi). U.S. Fish and Wildlife Service, Portland, Oregon. vi + 199 pp. United States Fish and Wildlife Service. 2006a. Endangered and threatened plants. http: / /www.fws.gov /r9endspp /efri 712.pdf. . 2006b. Endangered and threatened wildlife and plants; review of plant and animal taxa that are Candidates or Proposed for listing as Endangered or Threatened; annual notice of findings on recycled petitions; annual description of progress on listing actions; proposed rule. Federal Register 64(205): 57534- 57547. 2006c. Endangered and threatened. wildlife. http: / /www.fws.gov/ r9endspp /cfr1711.pdf (31 December 2002). USFWS 2006. Endangered Plants http• / /cacramento.ffivs.�-,ov /es /plant spp accts legenere.htm 27 ATTACHMENTS ATTACHMENT NO. 1 FIGURES Figure No. 1 Figure No. 2 Figure No. 3 Figure No. 4 Figure No. 5 Regional Map Vicinity Map USGS Quadrangle Map for Livermore Aerial Photograph CNDDB Locations of Special- Status Plants and Animals Figure No. 1 Regional Map ifi }�n .� pxbI2r;a Street Adas USA -n2MS s •Mi R Y tiC yM'.ve.PgvssdusWrrgG0.Y Olrft -P.i1M4mq 1,.. eAntioi75 / Eell<llshN rune �MnRC teatliel lsinud Vme Hill J _ U Pacheco• l.necnr4 _ a . Xnly4tsen pleasant hill ,C Dwell !.' i laytan �� R�enrvuunl -.. kn .x Regnzr '� Wai��nt lieeA •S.—P t..,ctyrnn •Rheem valley y'n11 "nlam� a 4Mnrogo Alamo Daks • eUiaklo �Dmiville ♦2 8u Lemwtic - � San R.rnon Vargas /Fredrick Property _x wJ'^ omandorskl Village ermors. eHgward ..... -. ".... -�"% � ,�Praasanroo ' ea„n ens t f ' \.., 111.\ �- El 11.1lo A-, A4i Data use subject to license. 0 2004 OeLlime. Slreet Agas USAS 2005. ode e. Pryle 0 1 2 3 4 5 6 7 8 MN (14 0• E) Data Zoom M Olberding Environmental, Inc. Figure 1 1390 Willow Pass Road, Suite 370 Regional Ma Concord, CA 94520 a� P Of the Phone: (925) 825 -2111 Vargas/Fredrick Property Dublin, California This document is not intended for detail design work. Figure No. 2 Vicinity Map p ` S1rott Af1a5 USA@ 2005 ik r 'Tm�aFaa Glaak Vargas /Fredrich Property r ti 3 yyMTOKI MIUBURYCI C,oi% ST(LUMTERCT Zv ~ELe$1,1 NS. BTBEF CT Data use subject to license. h 0 2004 DeLorme. Street Alias USA& 2005. 0 400 800 1200 1600 2000 wwa.tlelerme.com MN (14 6° E) Data Zoom 14 -0 Olberding Environmental, Inc. Figure 2 1390 Willow Pass Road, Suite 370 Concord, CA 94520 Vicinity Map of the Phone: (925) 825 -2111 Vargas/Fredrick Property Dublin, California This document is not intended for detail design work. Figure No. 3 USGS Quadrangle Map for Livermore Y L � t , q (_ l �- U V�rraas,Frwd nefiPrpperty�� � { ' J ti-t.x it ;. 5�y l ;AJ,�RA C1;i L';K' I ID J Olberding Environmental, Inc. 1390 Willow Pass Road, Suite 370 Concord, CA 94520 Phone: (925) 825-2111 This document is not work. Figure 3 USGS Quadrangle Map of the Vargas /Fredrick Property Livermore Quadrangle Dublin, California Figure No. 4 Aerial Photograph n, t.. {Y i t Olberding Environmental, Inc. 1390 Willow Pass Road, Suite 370 Concord, CA 94520 Phone: (925) 825 -2111 document is not intended for detail work. Figure 4 Aerial Photograph of the Vargas/Fredrick Property Dublin, California Figure No. 5 CNDDB Locations of Special- Status Plants and Animals Enter Title Here Info: Site avanable at http: /rLnaps.dlg.ca.ryav Olberding Environmental, Inc. 1390 Willow Pass Road, Suite 370 Concord, CA 94520 Phone: (925) 825-2111 This document is not intended for detail design work. Aothon Enter Name flue Gala: &21,2006 6:17 PM a Bap Legend t Catlfomia Natural0lvcniry ?I Data ... -Sane Occunencas by 0. Oua<t C.14 -1a NN-1 OWareuy Oatabaea Icom) %RM t +PKifin) e WPm irrerosplertrai � %PM {NrPMpI � Animn laemf anlw� 1iyK+nc1 AniM.l inomspxnn{ O Anrmai lerflurpl i!!.. Gon.m_teaml iar. GOMm. IsPeNlk! ell Tpr {anon. inlnePlciacl cnnm, ir�rculpi Avtl.. Gam+a. t9P,nl �} BGu, GC1mR {iPKii1{f � AVU Gtlnrm inlnsPecltkl O A4u. Camm. IN +xYIp! [_l WaslMn Stataa Me><leo Figure 5 CNDDB Locations of Special Status Plants and Animals Vargas/Frederick Property, California ATTACHMENT NO. 2 TABLES Table No. 1 Plant and Animal Species Observed Table 1 Plant and Animal Species Observed Scientific Name Common Name Achillea mille olium Yarrow Avena barbata Slender oat Avena fatua Wild oat Baccharis pilularis Coyote brush Brassica ni ra Black mustard Bromus carinatus California brome Bromus diandrus Rip-gut brome Bromus hordeaceous Soft chess Bromus madritensis ss . rubens Foxtail chess Bromus stamineus Brome Carduus pychnocelphalus Italian thistle Centarea solstitialis Yellow starthistle Cla tonia perfoliata Miner's lettuce Dichelostemma ca itatum Blue dicks El mus glaucus Blue wild rye Erodium cicutarium Red - stemmed filaree Erodium moschatum White - stemmed frlaree Geranium dissectum Cut -leaf geranium Geranium molle Dove geranium Hordeum marinum var. gussoneanum Mediterranean barley Hordeum murinum var. le orinum Foxtail Lolium multiflorum Italian ryegrass Lotus sco arius Deer weed Lotus purshianus Blue lupine Malva parviflora Cheeseweed Medica o polymorpha Burclover Mimulus aurantiacus Sticky monkey flower Oxalis albicans Oxalis Picris echiodes Prickly oxtongue Quercus a ri olia Coast live oak Urtica dioica Stinging nettle Ra hanus sativa Wild radish Rubus discolor Himalayan blackberry Rubus ursinus California blackberry Rumex acetosella Sheep sorrel Rumex cris us Curly dock Salix lasiole is Arro o willow Sis richium bellum Blue-eyed grass Table 1 Plant and Animal Species Observed Scientific Name` Common Name Toxicodendron diversilobum Poison oak Animal Species Observed Birds A elaius phoeniceus Red-wing ed blackbird Buteo 'amaicensis Red- tailed hawk Calli e la calf ornica California quail Cal to anna Anna's hummingbird Cathartes aura Turkey vulture Cola tes auratus Northern flicker Corvus brach rh nchos American Crow Euphagus cyanoce halus Brewer's blackbird Junco h emalis Dark-eyed junco Melaner es ormicivorous Acorn woodpecker Parus inornatus Plain titmouse Parus ru escens Chestnut- backed chickadee Pi ilo crissalis California towhee Pi ilo maculatus Spotted towhee Poecile ru escens Chestnut- backed chickadee Psaltri anus minimus Bushtit Sa ornis ni ricans Black phoebe Sialia mexicana Western bluebird Sturnus vul aris European starling Sutta carolinensis White- breasted nuthatch Zenaida macroura Mourning dove Zonotrichia leuco h s White - crowned sparrow Mammals S ermo hilus beechLyi I California ground squirrel Table No. 2 Special- Status Species for the Livermore and Dublin 7.5 Minute Quadrangle Maps 3r •� d 3G x'i�V3 Y a d x •� � n m e .d i 3 � u a L y y m y o o Y N o m sz m y +�. �� ��z�3w¢s L I '" O.V C d "�'a " m o • }d c � c o °. L ca 3 m ��° 0 3 3 O O AD �e UA m 73 m o O y O y 4) O O O O L N Y t 0 m 0 •p -- -ti o v m _R. c tr Y o '3 y O m ❑ c m m L s O -D L � 73 zs •r-' H 'O N H H fn � fA � Vl o bD I� m �..� 'D cd <a C o C w C CC w -L., 13 a. o O •LC C O O >� y •TJ b lC cd O -O Lt1 �tl O O C % O C rn y ��!! G cd E 43 'fl O a # 4 ti o> O �o 3 N a N o N a o 3 m i m N '. � �'.r Lr L '6 - A lV w e O H O h G bD O N� C o���° ti y 3°'3°'a ate_ H N ♦+ ._ h O y b b o LI �` N 4 inn N L Vl v L m w td C N CE O O 7 ww� Z> L > C O o C 0 oC] S> m d > CSC a� L '� y ti H H in y ti a 7 7 UE a tX 7 7 W L 'y u w w w w w w w w a� a � I m w ca 3 U U U U U cC U U U W 3r •� d 3G x'i�V3 Y a d x •� � n m e .d i 3 � u a L y y m y o o Y N o m sz m y +�. �� ��z�3w¢s L I '" O.V C d "�'a " m o /bb -x Y N .o b �. o a 3 �aa o ° R pq 3 i- R CD rn W r ° L° 4 Y i 4% `�Z'sK3ew R •C R �.. o_ W L 1r'i w R V U c w R .. O U U N $ •o bb C w C U G R o �� ° � LA W ❑ R FH " •m d � o x � a�R i U �Q p 6 b R Th 7 .r� F' U ° R ,.. Y w w w is A V a w Z .". CL O w w u N U U z z UU rA 000'nw UwUr] Na �s�rzc � N ATTACHMENT NO.3 SITE PHOTOGRAPHS s Yai 1 , nK m Photo No. 1. Grazed grassland habitat. The hill with non - native grassland habitat appears in the background. View facing south. A6�72' x qt Photo No. 2. Western boundary of the Property with non- native grassland habitat and valley oak woodland habitat along Tassa'ara Creek channel in the background. View facing west. Olberding Environmental, Inc. Vareas /Frederick Property— June 2006 5 w, s R ") Y'� �I �yi •-�� Tri'u'�itl „i.'+�� � r 3 t? e '-i i y•.j��`.S„rl + ��A 4 v Photo No. 4. Horse corral area i+ithin the Property. Olberding Environmental, Inc. Vargas/Frederick Property— June 2006 er.sya r' �' Appendix B: Tree Report Initial Study/Mitigated Negative Declaration for the Vargas Project marcn tuu i City of Dublin HORT$Ut — x TREE REPORT Vargas /Fredrich property Dublin, CA PREPARED FOR: Sun Valley Land Development 4471 Stoneridge Dr., Suite B Pleasanton, CA 94588 PREPARED BY: HortScience, Inc. 4125 Mohr Ave., Suite F Pleasanton CA 94566 August, 2006 • 4125 Mohr Ave., Suite F Pleasanton CA 94566 925 484 0211 FAX: 925 484 5096 Tree Report Vargas /Fredrich property Dublin, CA Table of Contents List of Tables Table 1. Tree condition and frequency of occurrence 3 Table 2. Suitability for Preservation 4 Table 3. Trees recommended for removal 6 Table 4. Appraised value of trees recommended for preservation 8 Attachments Tree Survey Map Tree Survey Form Page Introduction and Overview 1 Survey Methods 1 Description of Trees 2 Suitability for Preservation 3 Evaluation of Impacts and Recommendations 6 Appraisal of Value 7 Tree Preservation Guidelines 8 List of Tables Table 1. Tree condition and frequency of occurrence 3 Table 2. Suitability for Preservation 4 Table 3. Trees recommended for removal 6 Table 4. Appraised value of trees recommended for preservation 8 Attachments Tree Survey Map Tree Survey Form Sun Valley Land Development. August, 2006 HortScience, Inc. Tree Report, Vargas /Fredrich property Page 1 Introduction and Overview Sun Valley Land Development is planning to develop the Vargas /Fredrich properties on Camino Tassajara, in Dublin. Currently, the properties contain three single family residences and several outbuildings. Tassajara creek borders the property to the south and west. The proposed development would subdivide the property into 76 lots. HortScience, Inc. was asked to prepare a Tree Report for the site for review by the City of Dublin. This report provides the following information: 1. An evaluation of the health and structural condition of the trees from a visual inspection. 2. An evaluation of the impacts of the proposed development on the trees. 3. Recommendations for tree preservation and protection during construction. 4. The appraised value of trees recommended for preservation. Survey Methods Trees 6" in diameter and larger were surveyed on August 23, 2006. The survey procedure consisted of the following steps: 1. Identifying the tree as to species; 2. Tagging each tree with an identifying number and recording its location on a map; 3. Measuring the trunk diameter at a point 54" above grade; 4. Evaluating the health and structural condition using a scale of 1 — 5: 5 - A healthy, vigorous tree, reasonably free of signs and symptoms of disease, with good structure and form typical of the species. 4 - Tree with slight decline in vigor, small amount of twig dieback, minor structural defects that could be corrected. 3 - Tree with moderate vigor, moderate twig and small branch dieback, thinning of crown, poor leaf color, moderate structural defects that might be mitigated with regular care. 2 - Tree in decline, epicormic growth, extensive dieback of medium to large branches, significant structural defects that cannot be abated. 1 - Tree in severe decline, dieback of scaffold branches and /or trunk; most of foliage from epicormics; extensive structural defects that cannot be abated. 5. Rating the suitability for preservation as "good ", "moderate" or "poor". Suitability for preservation considers the health, age and structural condition of the tree species, and its potential to remain an asset to the site for years to come. Good: Trees with good health and structural stability that have the potential for longevity at the site. Moderate: Trees with somewhat declining health and /or structural defects than can be abated with treatment. The tree will require more intense management and monitoring, and may have shorter life span than those in 'good' category. Poor. Trees in poor health or with significant structural defects that cannot be mitigated. Tree is expected to continue to decline, regardless of treatment. The species or individual tree may have characteristics that are undesirable for landscapes, and generally are unsuited for use areas. Sun Valley Land Development. August, 2006 HortScience, Inc. Tree Report, Vargas /Fredrich property Page 2 Description of Trees Thirty -eight (38) trees, representing 17 species, were assessed. Vegetation at the site was highly diverse. Planted exotics surrounded the existing homes and outbuildings, while large- diameter oaks were restricted to Tassajara creek. Average tree condition was fair, with 17 trees, or 45% of the population. Sixteen (16) trees (42 %) were in good condition and 5 (13 %) were poor (Table 1, following page). Trees growing around the houses were landscape species, and included coast redwood, mulberry and deodar cedar. Mulberry trees were in fair condition, having been topped. Young coast redwoods were in fair to poor condition, suffering from varying degrees of water stress. Four (4) trees were surveyed on Camino Tassajara ( #219 -222), including two (2) Lombardy poplars and two (2) olives. One (1) of the Lombardy poplars had been topped for utility line clearance, while the olives both had trunks wounds with decay. Three (3) mature valley oaks ( #247 -249) were growing on the eastern bank of Tassajara creek. Trunks of the trees were down -slope from the existing graded area and all three had branches that swept to the ground (Photo 1). The City of Dublin defines several species, including valley oak, with trunk diameters of 24" or greater as "Heritage ". By this definition, valley oak #248 was the only tree surveyed which qualifiied as "Heritage". Removal of a "Heritage" tree requires a permit issued by the City of Dublin Community Development Department. Photo 1: Trees #247 -249 (R to L) were growing on the bank of Tassajara creek. Trunks were down -slope from the existing graded area. Appendix C: Preliminary Geologic and Geotechnical Report tnttnai study /Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin E mom NGEO I N C O R P O R A T E D July 14, 2006 Mr. Fred Musser Sun Valley Land Development 4471 Stoneridge Drive, Suite B Pleasanton, CA 94568 Subject: Fredrich and Vargas Properties 6960 and 7020 Tassajara Road Dublin, California GEOTECHNICAL ENVIRONMENTAL WATER RESOURCES CONSTRUCTION SERVICES Project No. 7431.1.001.01 PRELIMINARY GEOLOGIC AND GEOTECHNICAL FINDINGS References: 1. ENGEO Inc.; Preliminary Geotechnical Field Exploration, The TVPOA Planning Area, Contra Costa County, California; March 22, 1993; Project No. 3283 -W4. 2. ENGEO Inc.; Preliminary Geotechnical Exploration, Moller Ranch, Tassajara Road, Alameda County, California; April 7,2003; Project No. 5661.1.003.01. Dear Mr. Musser: At your request, we are providing preliminary geologic and geotechnical findings based on our site visit and field explorations for the subject site in Dublin, California. The study area (APN 986- 0004 - 002 -01 and 986 - 0004 - 002 -03) is located west of Tassajara Road and east of Tassajara Creek, near the Contra Costa County and Alameda County boundary line. The site is approximately 12.9 acres in area. Based on available maps and aerial photos, the current site consists of residential structures. The site contains a knoll near Tassajara Road with side slopes draining toward the Tassajara Creek. The lowest elevation is approximately 465 feet above mean sea level near the western property line at top of the creek bank, and the highest elevation is approximately 530 feet at the knoll. Natural slope gradient is approximately 3:1 (horizontal: vertical). Our work conducted to date has included the following: review of available literature, geologic maps, and previous geotechnical reports pertinent to the site; drilling four exploratory borings and eight test pits within the proposed properties, sampling and laboratory testing of subsurface materials from the boreholes and test pits. In addition, black and white stereo - paired aerial photographs were used for the purpose of observing natural landforms on the site. These photographs were used to study geomorphic features, interpret the relationships between landforms and the underlying rock, soil, and geologic structures, and observe the presence, character and activity of slope failures on or adjacent to the site. The findings of our boring and test pit exploration were used in conjunction with the aerial photograph interpretation and literature review to produce the geotechnical exploration report. 2010 Crow Canyon Place • Suite 250 • San Ramon. CA 94583 -4634 • (925) 866 -9000 • Fax (888) 279 -2698 www.engeo.coni Sun Valley Land Development 7431.1.001.01 Fredrich and Vargas Properties July 14, 2006 PRELIMINARY GEOLOGIC AND GEOTECHNICAL FINDINGS Page 2 According to the field exploration, fill material, approximately 2 to 5 feet thick, was encountered at the top of the creek bank and at the entry to the site and consists of clayey sand and silty clay. The native soil encountered at the site predominantly consists of silty clay to sandy clay interbedded with very dense silty sand over bedrock. The clayey deposit is generally stiff to very stiff consistency. Bedrock at the site consists of weathered claystone, siltstone and sandstone. PRELIMINARY FINDINGS Based on our site visit, available document and map research, aerial photograph interpretation, and field exploration, we are providing the following preliminary findings. Feasibility • The proposed development is feasible from a geotechnical standpoint. Geologic /Geotechnical Conditions + There are no known active faults traversing the site, and the property is not within an Alquist- Priolo Earthquake Fault Zone. • Strong ground shaking is anticipated at the site during the life of the project. This hazard is common to all of the Bay Area. • According to the regional landslide maps by Nilsen (1975) and Majmundar (1991), no landslides were mapped within the site. In addition, no landslides were observed within the site based on our stereo - paired aerial photographs interpretation and site reconnaissance. • The risk from tsunamis or seiches is considered negligible at the site. Ground lurching is possible at the site as in other locations in the Bay Area, but the offset or strain is expected to be minor. • Based on our exploratory data, the very fine- grained silty sand layers found in our test borings are not considered to be liquefiable due to the dense consistency. • The primary geologic consideration for the construction of the site is the stability of existing and proposed slopes. Slope stability considerations can be addressed though proper grading techniques, such as construction of drained keyways. Rough estimate for keyway excavation volume is approximately 65,000 cubic yards. The amount for the keyway excavation is estimated to be $260,000 based on a $4 per cubic yard basis. Sun Valley Land Development 7431.1.001.01 Fredrich and Vargas Properties July 14, 2006 PRELIMINARY GEOLOGIC AND GEOTECHNICAL FINDINGS Page 3 • According to the preliminary grading plan, some of the development area will be located near the top of bank of the Tassajara Creek. Based on our stereo - paired aerial photographs interpretation and site reconnaissance, the existing creek banks appears to be incised and eroded. Adequate setback distance between the creek banks and the on -site residential dwellings and improvement should be provided. • Site bedrock will be rippable with conventional heavy equipment. Local areas of partially cemented rock may be encountered. • Two small areas with unengineered fill, about 2 to 5 feet thick, were observed at the site. This unengineered fill should be removed and recompacted. • The site soils and bedrock materials have a high to critically high expansion potential (Plasticity Index of 31 to 42). The effects of expansive soils can be reduced with a proper combination of grading and foundation design techniques. • Based on the preliminary grading concepts, laboratory test results, engineering analyses, and experience in the region, the proposed engineered fills subject to future wetting can be expected to exhibit settlement or swell. The magnitude of post - construction volume change is depending on soil type, compaction effort, moisture content and fill thickness. Fill compaction recommendations will be designed to reduce the swelling /settlement potential of tills. • Differential building movements due to differential fill thickness, and the effect of significant variations in materials in areas of cut and cut -fill transitions can be mitigated by localized subexcavation and replacement by engineered fill. • It is recommended that graded fill or cut slopes less than 8 feet in vertical height be no steeper than 2:1 (horizontal:vertical). Graded cut or fill slopes 8 feet or greater should be constructed at a slope gradient of 3:1. We look forward to working with you on this project. If you have any questions regarding the scope of our services, please do not hesitate to contact us. Very truly yours, ENGF,O INCORPORATED Macy T t mt /smc: Wings Reviewed by: v� Shziwn Munger j" Appendix D: Hydrologic Analysis Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin Ruggeri - �ensen - Azar & Associates Job No. 061037 September 29, 2006 Mark Lander, City Engineer City of Dublin 100 Civic Plaza Dublin; CA 84568 RE: Vargas /Fredrick Property Dear Mr. Musser: Summarized below are the preliminary findings of our hydrologic analysis for the proposed residential redevelopment of the subject property. Also enclosed is the preliminary hydrology /drainage exhibit and calculations. A. Hydrology The project site currently drains to Tassajara Creek either by overland flow ,or via a road -side swale along Tassajara Road. It is. a relatively small site with steep - slopes in close. proximity to the creek. Based on the aerial topography, there are a few existing small buildings, a pool, two access drives to Tassajara Road and a knoll with a house on-the top. Ground cover consists of only a few trees spread out over the site. The trend in policy for discharge is not to allow an increase in discharge rate from predevelopment condition to post development condition. Based on the existing condition of mostly bare ground and the proposed density of development, a detention basin with a minimum storage volume of approximately 1/4 acre -feet will be needed'to store the incremental runoff generated from the proposed development. Due to the existing and proposed grades, the site layout, and the required depth of the storm drain, a detention pond does not appear practical. Instead, we propose to upsize about 800 lineal feet of storm drain pipe to 54" to detain the 10 and 100 year storms and meter them out to the storm drain system in Tassajara Road. This will attenuate the flow to pre - developed runoff rates. The on- site.storm drainage associated with directly connected impervious areas will need to be treated by Best Management Practices (BMP's) prior to being discharged into the storm drain system in Tassajara Road as required by Alameda County C3 requirements: This can be largely accomplished with the use of grassy swales along the single loaded streets and bubble up inlets in the front yards of the lots. The double loaded streets can utilize a RECEIVED 4690 Chabot Drive, Suite 200 • Pleasanton CA 94588 • Phone (925)227 -9100 • Fax (925) 22701 12006 DUBLIN Ptr.rMING Ruggeri - Jensen - Azar & Associates mechanical means of treatment such as a CDS media filter or another City of Dublin approved device. Very truly yours, Ruggeri Jensen -Azar & Associates Mark Falgout, PE Enclosure 4690 Chabot Drive, Suite 200 • Pleasanton CA 94588 • Phone'(925) 227 -9100 - Fax (925) 227 -9300 Ruggeri - 1ensen - Azar s. Associates .• 7'A�f;oanGtJ ( ,v(.V t_avf r. r �z. F; �e / °f F1 z- € i .5 0�c c >r ::., >v E f Ak- LJ� >r Spiv` -JaSE t)rl, _'Sis..: �to2A .+f CD. � 2 Ca�i✓G YFA i <. )r-'0- 6 AA T, P(,- 5 -Z Un! , RP c r ti- vnr_v l��Tr�'iDc.AT /r1N �B�L C) AA C7 F—e o�iaJ C n. t! / c> t.�Z_- U US Al (/ u ^l D -7 ❑ Gilroy H Pleasanton Li walnut ureeK Phone (408) 848 -0300 Phone (925) 227 -9100 Phone (925) 935 -7710 FAX (408) 848 -0302 FAX (925) 227 -9300 FAX (925) 935 -7763 J G 163 '4— JOB NO: JOB NAME: VA- . I &E -1 f DATE: PREPARED BY: ��'` �4t�j0''` SHEET NO. 1 OF 7'A�f;oanGtJ ( ,v(.V t_avf r. r �z. F; �e / °f F1 z- € i .5 0�c c >r ::., >v E f Ak- LJ� >r Spiv` -JaSE t)rl, _'Sis..: �to2A .+f CD. � 2 Ca�i✓G YFA i <. )r-'0- 6 AA T, P(,- 5 -Z Un! , RP c r ti- vnr_v l��Tr�'iDc.AT /r1N �B�L C) AA C7 F—e o�iaJ C n. t! / c> t.�Z_- U US Al (/ u ^l D -7 ❑ Gilroy H Pleasanton Li walnut ureeK Phone (408) 848 -0300 Phone (925) 227 -9100 Phone (925) 935 -7710 FAX (408) 848 -0302 FAX (925) 227 -9300 FAX (925) 935 -7763 Table of Contents Hydra low Hydrographs by Intelisolve V A R G AS_P R E L I M_p i p e_s tora g e. g pw Friday, Sep 29 2006, 11:13 AM Hydrograph Return Period Recap ....................................... ............................... 1 1 -Year HydrographReports ............................................................................ ............................... 2 Hydrograph No. 1, SCS Runoff, EX RUNOFF ................................... ............................... 2 Hydrograph No. 2, SCS Runoff, PROPOSED ................................... ............................... 3 Hydrograph No. 3, Reservoir, Pipe Storage ...................................... ............................... 4 PondReport .................................................................................. ............................... 5 10 - Year HydrographReports ............................................................................ ............................... 6 Hydrograph No. 1, SCS Runoff, EX RUNOFF ................................... ............................... Hydrograph No. 2, SCS Runoff, PROPOSED ................................... ............................... 7 Hydrograph No. 3, Reservoir, Pipe Storage ...................................... ............................... 8 PondReport .................................................................................. ............................... 9 100 - Year HydrographReports .......................................................................... ............................... 10 Hydrograph No. 1, SCS Runoff, EX RUNOFF ................................. ............................... 10 Hydrograph No. 2, SCS Runoff, PROPOSED ................................. ............................... 11 Hydrograph No. 3, Reservoir, Pipe Storage .................................... ............................... 12 PondReport ................................................................................ ............................... 13 Hydrograph Return Period Recap Hyd. Hydrograph Inflow Peak Outflow (cfs) Hydrograph No. type Hyd(s) description (origin) 1 -Yr 2 -Yr 3 -Yr 5 -Yr 10 -Yr 25 -Yr 50 -Yr 100 -Yr 1 SCS Runoff - - - - - -- 0.00 - - - - - -- - - - - - -- - - - - - -- 2.81 - - - - - -- - - - - - -- 6.47 EX RUNOFF 2 SCS Runoff - - - - - -- 0.01 - - - - - -- - - - - - -- - - - - - -- 6.33 - - - - - -- - - - - - -- 10.72 PROPOSED 3 Reservoir 2 0.00 - - - - - -- - - - - - -- - - - - - -- 2.80 - - - - - -- - - - - - -- 6.31 Pipe Storage Proj. file: VARGAS_PRELIM_pipe_storage.gpw Friday, Sep 29 2006,11:13 AM Hydraflow Hydrographs by Intelisolve Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 1 EX RUNOFF Hydrograph type = SCS Runoff Peak discharge = 0.00 cfs Storm frequency = 1 yrs Time interval = 6 min Drainage area = 6.200 ac Curve number = 80 Basin Slope = 0.0% Hydraulic length = Oft Tc method = TR55 Time of conc. (Tc) = 16.00 min Total precip. = 0.33 in Distribution = Type I Storm duration = 24 hrs Shape factor = 484 Q (cfs) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 EX RUNOFF Hyd. No. 1 -- 1 Yr Hydrograph Volume = 0 cuft 0 29 58 87 116 145 174 203 232 261 Hyd No. 1 Q (cfs) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 290 Time (hrs) K, Hydrograph Plot HydraFlow Hydrographs by Intelisolve Hyd. No. 2 Curve number PROPOSED Hydraulic length Hydrograph type = SCS Runoff Storm frequency = 1 yrs Drainage area = 6.220 ac Basin Slope = 0.0% Tc method = USER Total precip. = 0.33 in Storm duration = 24 hrs Friday, Sep 29 2006, 11:13 AM Peak discharge = 0.01 cfs Time interval = 6 min Curve number = 92 Hydraulic length = 0 ft Time of conc. (Tc) = 10.00 min Distribution = Type I Shape factor = 484 Hydrograph Volume = 503 cuR PROPOSED Q (cfs) Hyd. No. 2 -- 1 Yr Q (cfs) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 000 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Hyd No. 2 Time (hrs) KI Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 3 Pipe Storage Hydrograph type = Reservoir Peak discharge = 0.00 cfs Storm frequency = 1 yrs Time interval = 6 min Inflow hyd. No. = 2 Max. Elevation = 480.83 ft Reservoir name = Pipe Storage Max. Storage = 503 cuft Storage Indication method used. Hydrograph Volume = 0 cult Q (cfs) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 0 29 58 87 116 Hyd No. 3 Hyd No. 2 Pipe Storage Hyd. No. 3 -- 1 Yr Q (cfs) 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 145 174 203 232 261 290 Time (hrs) 4 Pond Report Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Pond No. 3 - Pipe Storage Pond Data [B] [C] [D] Pipe dia. = 4.50 ft Pipe length = 795.0 ft No. Barrels = 1.0 Slope= 0.20 % Invert elev. = 479.83 ft Stage / Storage Table = 12.00 8.00 6.00 Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuft) Total storage (cuft) 0.00 479.83 00 0 0 0.30 480.13 00 62 62 0.61 480.44 00 109 171 0.91 480.74 00 197 367 1.22 481.05 00 495 862 1.52 481.35 00 651 1,513 1.83 481.66 00 793 2,306 2.13 481.96 00 921 3,227 2.44 482.27 00 995 4,222 2.74 482.57 00 1,042 5,264 3.05 482.88 00 1,061 6,325 3.35 483.18 00 1,064 7,389 3.65 483.48 00 1,039 8,428 3.96 483.79 00 995 9,423 4.26 484.09 00 920 10,343 4.57 484.40 00 794 11,137 4.87 484.70 00 649 11,785 5.18 485.01 00 494 12,279 5.48 485.31 00 196 12,476 5.79 485.62 00 109 12,585 6.09 485.92 00 62 12,646 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 12.00 8.00 6.00 0.00 Crest Len (ft) = 114 0.50 0.00 0.00 Span (in) = 12.00 8.00 6.00 0.00 Crest El. (ft) = 483.50 483.17 0.00 0.00 No. Barrels = 1 1 1 0 Weir Coeff. = 3.33 3.33 0.00 0.00 Invert El. (ft) = 479.83 479.83 481.00 0.00 Weir Type = Riser Rect - -- - -- Length (ft) = 10.00 0.00 0.00 0.00 Multi -Stage = Yes Yes No No Slope ( %) = 0.30 0.00 0.00 0.00 N -Value = .013 .013 .013 .013 Orif. Coeff. = 0.60 0.60 0.60 0.60 Multi-Stage = n/a Yes Yes No Exfiltration = 0.000 in /hr (Wet area) Tailwater Elev. = 481.65 ft Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0 00 Stage / Discharge 0.00 1.00 2.00 3.00 4.00 Total 0 Note: Culvert/Orifice outflows have been analyzed under inlet and outlet control. Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 5.00 6.00 7.00 8.00 Discharge (cfs) G Y Hydrograph Plot HydraFlow Hydrographs by Intelisolve Hyd. No. 1 EX RUNOFF Hydrograph type = SCS Runoff Storm frequency = 10 yrs Drainage area = 6.200 ac Basin Slope = 0.0% Tc method = TR55 Total precip. = 2.57 in Storm duration = 24 hrs Q (cfs) 3.00 2.00 1.00 0.00 -1 0 Friday, Sep 29 2006, 11:13 AM Peak discharge = 2.81 cfs Time interval = 6 min Curve number = 80 Hydraulic length = 0 ft Time of conc. (Tc) = 16.00 min Distribution = Type I Shape factor = 484 EX RUNOFF Hyd. No. 1 -- 10 Yr 2 4 6 8 10 12 14 16 18 20 Hyd No. 1 Hydrograph Volume = 19,783 cult Q (cfs) 3.00 2.00 1.00 0.00 22 24 26 Time (hrs) Fr Hydrograph Plot HydraFlow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 2 PROPOSED Hydrograph type = SCS Runoff Peak discharge = 6.33 cfs Storm frequency = 10 yrs Time interval = 6 min Drainage area = 6.220 ac Curve number = 92 Basin Slope = 0.0% Hydraulic length = 0 ft Tc method = USER Time of conc. (Tc) = 10.00 min Total precip. = 2.57 in Distribution = Type I Storm duration = 24 hrs Shape factor = 484 Q (cfs) 7.00 - — 6.00 5.00 4.00 3.00 2.00 1.00 0.00 0 2 4 6 Hyd No. 2 PROPOSED Hyd. No. 2 -- 10 Yr Hydrograph Volume = 37,214 cult Q (cfs) 7.00 WIFE 5.00 4.00 3.00 2.00 1.00 1 1 I 1 1 1 I 11, 1 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) 7 Hydrograph Plot HydraFlow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 3 Pipe Storage Hydrograph type = Reservoir Peak discharge = 2.80 cfs Storm frequency = 10 yrs Time interval = 6 min Inflow hyd. No. = 2 Max. Elevation = 483.28 ft Reservoir name = Pipe Storage Max. Storage = 7,731 cuft Storage Indication method used. Hydrograph Volume = 34,987 cuft Q (cfs) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 0 2 4 6 Hyd No. 3 Pipe Storage Hyd. No. 3 -- 10 Yr Q (cfs) 7.00 • 11 5.00 4.00 3.00 2.00 1.00 0.00 8 10 12 14 16 18 20 22 24 26 Hyd No. 2 Time (hrs) N: Pond Report Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Pond No. 3 - Pipe Storage Pond Data [B] [C] [D] Pipe dia. = 4.50 ft Pipe length = 795.0 ft No. Barrels = 1.0 Slope = 0.20 % Invert elev. = 479.83 ft Stage / Storage Table Rise (in) = 12.00 8.00 Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cult) 0.00 479.83 00 0 0 0.30 480.13 00 62 62 0.61 480.44 00 109 171 0.91 480.74 00 197 367 1.22 481.05 00 495 862 1.52 481.35 00 651 1,513 1.83 481.66 00 793 2,306 2.13 481.96 00 921 3,227 2.44 482.27 00 995 4,222 2.74 482.57 00 1,042 5,264 3.05 482.88 00 1,061 6,325 3.35 483.18 00 1,064 7,389 3.65 483.48 00 1,039 8,428 3.96 483.79 00 995 9,423 4.26 484.09 00 920 10,343 4.57 484.40 00 794 11,137 4.87 484.70 00 649 11,785 5.18 485.01 00 494 12,279 5.48 485.31 00 196 12,476 5.79 485.62 00 109 12,585 6.09 485.92 00 62 12,646 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 12.00 8.00 6.00 0.00 Crest Len (ft) = 3.14 0.50 0.00 0.00 Span (in) = 12.00 8.00 6.00 0.00 Crest El. (ft) = 483.50 483.17 0.00 0.00 No. Barrels = 1 1 1 0 Weir Coeff. = 3.33 3.33 0.00 0.00 Invert El. (ft) = 479.83 479.83 481.00 0.00 Weir Type = Riser Rect - -- - -- Length (ft) = 10.00 0.00 0.00 0.00 Multi -Stage = Yes Yes No No Slope ( %) = 0.30 0.00 0.00 0.00 N -Value = .013 .013 .013 .013 Orif. Coeff. = 0.60 0.60 0.60 0.60 Multi -Stage = n/a Yes Yes No Exfiltration = 0.000 in /hr (Wet area) Tailwater Elev. = 481.65 It Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 000 Stage / Discharge Note: Culvert/Orifice oulffom have been analyzed under inlet and outlet control. Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 Total (2 Discharge (cfs) E Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 1 EX RUNOFF Hydrograph type = SCS Runoff Peak discharge = 6.47 cfs Storm frequency = 100 yrs Time interval = 6 min Drainage area = 6.200 ac Curve number = 80 Basin Slope = 0.0% Hydraulic length = 0 ft Tc method = TR55 Time of conc. (Tc) = 16.00 min Total precip. = 3.85 in Distribution = Type I Storm duration = 24 hrs Shape factor = 484 Q (cfs) 7.00 6.00 5.00 - 4.00 — 3.00 2.00 1.00 0.00 0 2 4 6 Hyd No. 1 EX RUNOFF Hyd. No. 1 -- 100 Yr Hydrograph Volume = 40,477 cuft Q (cfs) 7.00 IIIMI 5.00 4.00 3.00 2.00 1.00 0.00 8 10 12 14 16 18 20 22 24 26 Time (hrs) 10 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 2 PROPOSED Hydrograph type = SCS Runoff Peak discharge = 10.72 cfs Storm frequency = 100 yrs Time interval = 6 min Drainage area = 6.220 ac Curve number = 92 Basin Slope = 0.0% Hydraulic length = 0 ft Tc method = USER Time of conc. (Tc) = 10.00 min Total precip. = 3.85 in Distribution = Type I Storm duration = 24 hrs Shape factor = 484 Q (cfs) 12.00 10.00 8.00 6.00 4.00 2.00 0.00 0 2 4 6 8 Hyd No. 2 PROPOSED Hyd. No. 2 -- 100 Yr Hydrograph Volume = 62,928 cult Q (cfs) 12.00 10.00 FIXIIII 111M EMI 2.00 i I I I I I I I 1 0.00 10 12 14 16 18 20 22 24 26 Time (hrs) 11 Hydrograph Plot Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Hyd. No. 3 Pipe Storage Hydrograph type = Reservoir Peak discharge = 6.31 cfs Storm frequency = 100 yrs Time interval = 6 min Inflow hyd. No. = 2 Max. Elevation = 484.51 ft Reservoir name = Pipe Storage Max. Storage = 11,371 cult Storage Indication method used. Q (cfs) 12.00 10.00 8.00 6.00 4.00 2.00 0.00 0 2 4 6 Hyd No. 3 Pipe Storage Hyd. No. 3 -- 100 Yr Hydrograph Volume = 60,701 cult Q (cfs) 12.00 10.00 11 . 11 4.00 2.00 8 10 12 14 16 18 20 22 24 26 0.00 Hyd No. 2 Time (hrs) 12 Pond Report Hydraflow Hydrographs by Intelisolve Friday, Sep 29 2006, 11:13 AM Pond No. 3 - Pipe Storage Pond Data Pipe dia. = 4.50 ft Pipe length = 795.0 ft No. Barrels = 1.0 Slope = 0.20 % Invert elev. = 479.83 ft Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cult) Total storage (cult) 0.00 479.83 00 0 0 0.30 480.13 00 62 62 0.61 480.44 00 109 171 0.91 480.74 00 197 367 1.22 481.05 00 495 862 1.52 481.35 00 651 1,513 1.83 481.66 00 793 2,306 2.13 481.96 00 921 3,227 2.44 482.27 00 995 4,222 2.74 482.57 00 1,042 5,264 3.05 482.88 00 1,061 6,325 3.35 483.18 00 1,064 7,389 3.65 483.48 00 1,039 8,428 3.96 483.79 00 995 9,423 4.26 484.09 00 920 10,343 4.57 484.40 00 794 11,137 4.87 484.70 00 649 11,785 5.18 485.01 00 494 12,279 5.48 485.31 00 196 12,476 5.79 485.62 00 109 12,585 6.09 485.92 00 62 12,646 Culvert / Orifice Structures Weir Structures [A] [B] [C] [D] [A] [B] [C] [D] Rise (in) = 12.00 8.00 6.00 0.00 Crest Len (ft) = 3.14 0.50 0.00 0.00 Span (in) = 12.00 8.00 6.00 0.00 Crest El. (ft) = 483.50 483.17 0.00 0.00 No. Barrels = 1 1 1 0 Weir Coeff. = 3.33 3.33 0.00 0.00 Invert El. (ft) = 479.83 479.83 481.00 0.00 Weir Type = Riser Rect - -- - -- Length (ft) = 10.00 0.00 0.00 0.00 Multi -Stage = Yes Yes No No Slope ( %) = 0.30 0.00 0.00 0.00 N -Value = .013 .013 .013 .013 Orif. Coeff. = 0.60 0.60 0.60 0.60 Multistage = n/a Yes Yes No Exfiltration = 0.000 in /hr (Wet area) Tailwater Elev. = 481.65 ft Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 0.00 1.00 2.00 3.00 Total Q Stage / Discharge 4.00 Note: Culvert/Orifice outFlov have been analyzed under inlet and outlet control. Stage (ft) 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 5.00 6.00 7.00 8.00 Discharge (cfs) 13 1 \. Ny y _ '� %' / �� /� � /.'- �� �. - � �,. - _ _yam._ —_. �_—._. __ •� .._.- 430t / / I,'' G9 +��"' ,I it 1 , T - \ l l �� �\ \ '♦ ' Vv , c_. \S/'S:?� /. / ii. �',{; ?� �� may. rte,. yh \1���!J \ t�•,l I 1 il'_,��i. �...1 ./J . \r, / r.. .�I', i �.� \ \ \_.� , ' /� �`' ' !/' % / / (,, / l l,r /' 11 'a, `� i" " - -��., \`��?�, max[ %1` { /i: l•v � "� I / ,'� \l � ,....\ ,� - / �/ "/� �� �3„` ✓°, ,. r ./ y,/ / i / X11 I' Zi- ,. .! .1•i Az � — i � f. ..:r `.. -�-: er�Y.r:;r— "�\ �•� / / _ _ I i - ��✓ / l .l r / \ l / J / / / / / �• / — / / \I I / � .. n � r -. � —^— '..� i ', r '.I � _ •r+ _ — '�' --:' ce s R z� � l � � 1. / V r .•\ /' i J �, _ 1 a, / -1 v'" _� / _ /� \I I ,/� f (; � ��;,. � .I•' l l l �' l�� � , ,? � ► s I`_ � ` .r � � � -3). �GP° / AA N\ \ l l l '/ l l f'�� - N— �. \` �.�.� 'r �c>ic �I �� I 1;, 1. yr �. rrlll �l \ / � � rrl; � _ '�. 1 �.._ -__ �'•. 220 LF �1 ... _ _\ y _ REATMEN� '� ci5�° Q;C \F\ 1 NO TR�ATM - \ SITE SUMMARY LOTS 170 SITE AREA 12-9-AG GROSS � 1 F NO - TREATMENT 4.17 AC `GROSS DENSITY �ET DEVELOPED AREA 4.9 AC / I _ i _ FJET DENSITY i U.3 DU:AC,..._._i GRASSY SWALE 2.69 At — L � c\ CDS (OR APPROVED EQUAL) 2.03 AC TOTAL 8.89 AC RECEIVED 'U �'ECt - OCT 1 1 7006 PRELIMINARY S1 PLAN' �33A S s/ FRED iC PROPERTY �J � tense - OUBLiN PUruvinG DUBLIN, CAL{FORNlA L� Azar ��J .,r_ .,. F tom. f[59Ctk 0� S 34. i1 c ff �J II' �' ��•:� � Appendix E: Moller Ranch /Casamira Valley Traffic Study Initial Study /Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin A Traffic Study for the Proposed Casamira Valley Development DRAFT Traffic Report Prepared fora City of Dublin Prepared by: CM 1 Kimley -Horn M and Associates, Inc. July 17, 2006 097059009 Copyright © 2006, Kimley -Horn and Associates, Inc. REC`Ivrn JUL 1 g 2006 DUgLNN PLAn IVING TABLE OF CONTENTS 1 INTRODUCTION AND SUMMARY ..................................................................... ..............................1 1.1 INTRODUCTION ............................................................................................... ............................... 1 1.2 SUMMARY ...................................................................................................... ............................... 1 2 INTERSECTION ANALYSIS METHODOLOGY ................................................ ............................... 8 2.1 STUDY INTERSECTIONS AND SCENARIOS .......................................................... ............................... 8 2.2 LEVEL OF SERVICE ANALYSIS METHODOLOGY .................................................. ............................... 9 2.3 SIGNIFICANT IMPACT CRITERIA ........................................................................ ............................... 9 3 EXISTING CONDITIONS .................................................................................. .....................:......... 11 3.1 ROADWAY NETWORK .................................................................................... ............................... 11 3.2 EXISTING TRANSIT SERVICE .......................................................................... ............................... 13 3.3 LEVEL OF SERVICE ANALYSIS (EXISTING CONDITIONS) ................................... ............................... 13 4 BASELINE CONDITIONS ................................................................................ ............................... 16 4.1 INTRODUCTION ............................................................................................. ............................... 16 4.2 TRIP GENERATION ........................................................................................ ............................... 16 1 4.3 TRIP DISTRIBUTION AND ASSIGNMENT ............................................................ ............................... 16 4.4 PLANNED ROADWAY IMPROVEMENTS ............................................................. ............................... 17 4.5 LEVEL OF SERVICE ANALYSIS (BASELINE CONDITIONS) ................................... ............................... 19 5 BASELINE PLUS PROJECT CONDITIONS .................................................... ............................... 20 5.1 INTRODUCTION ............................................................................................. ............................... 20 5.2 PROJECT TRIP GENERATION ......................................................................... ............................... 20 5.3 PROJECT TRIP DISTRIBUTION AND ASSIGNMENT ............................................. ............................... 20 5.4 LEVEL OF SERVICE ANALYSIS (BASELINE PLUS PROJECT CONDITIONS) ........... ............................... 20 5.5 RECOMMENDED OFF -SITE PROJECT IMPROVEMENTS ..................................... ............................... 24 5.6 SITE ACCESS, PARKING AND CIRCULATION .................................................... ............................... 25 6 BUILDOUT CONDITIONS ................................................................................ ............................... 26 6.1 INTRODUCTION ............................................................................................. ............................... 26 6.2 BUILDOUT ROADWAY IMPROVEMENTS ............................................................ ............................... 26 6.3 LEVEL OF SERVICE ANALYSIS (BUILDOUT CONDITIONS) .................................. ............................... 27 7 ROADWAY SEGMENT ANALYSIS ................................................................. ............................... 31 8 FREEWAY ANALYSIS ..................................................................................... ............................... 34 9 BASELINE PLUS PROJECT ALTERNATIVE CONDITIONS ......................... ............................... 36 9.1 INTRODUCTION ............................................................................................. ............................... 36 9.2 PROJECT TRIP GENERATION ......................................................................... ............................... 36 9.3 PROJECT TRIP DISTRIBUTION AND ASSIGNMENT ............................................. ............................... 36 9.4 LEVEL OF SERVICE ANALYSIS (BASELINE PLUS PROJECT ALTERNATIVE CONDITIONS ) ..................... 36 9.5 RECOMMENDED OFF -SITE PROJECT IMPROVEMENTS ..................................... ............................... 39 9.6 SITE ACCESS, PARKING AND CIRCULATION .................................................... ............................... 39 10 BUILDOUT WITH PROJECT ALTERNATIVE CONDITIONS ....................... ............................... 40 10.1 INTRODUCTION ........................................................................................... ............................... 40 10.2 BUILDOUT ROADWAY IMPROVEMENTS .......................................................... ............................... 40 10.3 LEVEL OF SERVICE ANALYSIS (BUILDOUT WITH PROJECT ALTERATIVE CONDITIONS) .................... 40 11 ROADWAY SEGMENT ANALYSIS WITH PROJECT ALTERNATIVE ........ ............................... 41 12 FREEWAY ANALYSIS WITH PROJECT ALTERNATIVE ............................ ............................... 43 13 CONCLUSIONS ................................................................................................ .............................45 LIST OF TABLES TABLE 1: INTERSECTION LEVELS OF SERVICE - EXISTING CONDITIONS 15 ..................... ............................... TABLE 2: INTERSECTION LEVELS OF SERVICE - BASELINE CONDITIONS ..................... ............................... TABLE 3: PROPOSED PROJECT TRIP GENERATION 19 ................................................... ............................... TABLE 4: INTERSECTION LEVELS OF SERVICE - BASELINE PLUS PROJECT CONDITIONS ............................. 20 24 TABLE 5: INTERSECTION LEVELS OF SERVICE - BUILDOUT CONDITIONS .................... ............................... 29 TABLE 6: ROADWAY SEGMENT ADT ........................................................................ ............................... 31 TABLE 7: SUMMARY OF FREEWAY ANALYSIS ............................................................ ............................... 35 TABLE 8: PROPOSED PROJECT ALTERNATIVE TRIP GENERATION .............................. ............................... TABLE 9: INTERSECTION LEVELS OF SERVICE - BASELINE PLUS PROJECT ALTERNATIVE CONDITIONS ....... 36 39 TABLE 10: ROADWAY SEGMENT ADT WITH PROJECT ALTERNATIVE .......................... ............................... 41 TABLE 11: SUMMARY OF PROJECT ALTERNATIVE FREEWAY ANALYSIS ...................... ............................... 43 LIST OF FIGURES FIGURE1: VICINITY MAP ........................................................................................... ............................... 6 FIGURE 2: PROPOSED SITE PLAN .............................................................................. ....::......................... 7 FIGURE 3: EXISTING LANE GEOMETRY ..................................................................... ............................... 12 FIGURE 4: EXISTING TURNING MOVEMENT VOLUMES ................................................ ............................... 14 FIGURE 5: BASELINE TURNING MOVEMENT VOLUMES ............................................... ............................... 18 FIGURE 6: PROJECT TRIP ASSIGNMENT ................................................................... ............................... 22 FIGURE 7: BASELINE PLUS PROJECT TURNING MOVEMENT VOLUMES ........................ ............................... 23 FIGURE 8: BUILDOUT TURNING MOVEMENT VOLUMES .............................................. ............................... 28 FIGURE 9: AVERAGE DAILY TRAFFIC (ADT) ON TASSAJARA ROAD ............................ ............................... 33 FIGURE 10: PROJECT ALTERNATIVE TRIP ASSIGNMENT .............................................. .............................37 FIGURE 11: BASELINE PLUS PROJECT ALTERNATIVE TURNING MOVEMENT VOLUMES . ............................... 38 FIGURE 12: AVERAGE DAILY TRAFFIC (ADT) ON TASSAJARA ROAD WITH PROJECT ALTERNATIVE ............. 42 LIST OF APPENDICES APPENDIX A - LEVEL OF SERVICE METHODOLOGY APPENDIX B - LEVEL OF SERVICE WORKSHEETS: EXISTING CONDITIONS APPENDIX C - LIST OF APPROVED, PENDING PROJECTS AND BUILDOUT PROJECTS, LANE GEOMETRY AND CONTROL ASSUMPTIONS, AND TURNING MOVEMENT VOLUMES APPENDIX D - LEVEL OF SERVICE WORKSHEETS: BASELINE CONDITIONS APPENDIX E - LEVEL OF SERVICE WORKSHEETS: BASELINE PLUS PROJECT CONDITIONS APPENDIX F - LEVEL OF SERVICE WORKSHEETS: BASELINE PLUS PROJECT ALTERNATIVE CONDITIONS APPENDIX G - LEVEL OF SERVICE WORKSHEETS: BUILDOUT CONDITIONS nd -Horn A a Introduction and � and Associates, Inc, Summary 1 INTRODUCTION AND SUMMARY 1.1 Introduction This report presents the results of Kimley- Horn's traffic impact study of the proposed Casamira Valley development to be located on the Moller Property, a vacant parcel to the east of Tassajara Road and north of the future Fallon Crossings site. The proposed Project would include a total of 179 single - family homes and 16 duplex units. Figure 1 shows the study area, and Figure 2 shows the proposed Project site plan. Analysis of an alternative site plan and land use (the "Project alternative ") is also included in this report. The Project alternative would include 326 attached townhomes to be built on the Project site. The purpose of this traffic study is to evaluate the proposed Project with respect to the potential traffic impacts, short-term and long -term roadway and circulation needs, potential mitigation measures, and any critical traffic issues that should be addressed in the on -going planning process. Nine existing and five future intersections near the proposed Project were identified as locations that may potentially be impacted by the development. Arterial roadway segments and freeway segments were also analyzed for potential impacts. The intersection and roadway operating conditions were evaluated under the following six scenarios: 1. Existing Conditions 2.. Baseline Conditions 3. Baseline Plus Project Conditions 4. Buildout Conditions (Year 2025) 5. Baseline Plus Project Alternative Conditions 6. Buildout With Project Alternative Conditions This traffic study will be used as a background document to identify impacts and mitigation measures related to environmental review of the Casamira Valley Project under CEQA. The study will also be used to evaluate the proposed circulation and access for the Project under the design and improvement standards and policies in the City's general plan, specific plan, and subdivision and zoning ordinances. Pursuant to this evaluation, the study recommends measures that are not required as CEQA mitigations, but will improve the Project's circulation and access and assure compliance with applicable design and operation standards and policies. A residential development Project, Fallon Crossings, is proposed on the Mission Peak property located adjacent to the south of the Casamira Valley Project. A traffic study for the Fallon Crossings Project was completed in September 2005 (TJKM Transportation Consultants. "A Traffic Study for the Proposed Fallon Crossings Development." September 28, 2005). This document ( "Fallon Crossings report") served as the base for this Casamira Valley traffic study. Much of the analyses for Existing and Buildout Conditions were taken directly from the Fallon Crossings report per the City's request. Other analysis and recommendations were taken from this report as noted. 1.2 Summary The proposed Project is expected to generate 141 AM peak -hour trips and 189 PM peak -hour trips, while the proposed Project alternative of 326 attached townhomes is expected to generate 143 AM peak -hour trips and 170 PM peak -hour trips. Neither proposed land use for the Project is expected to generate more AM or PM peak -hour trips than designated by the City's General Plan; therefore, no additional traffic impact analysis of the Project is required by the Alameda County Congestion Management Agency (ACCMA) to satisfy the Land Use Analysis Program of the Alameda County Congestion Management Program (CMP). asanura Valley Kesiaential Development July 17, 2006 Final Traffic Report page 1 ❑I(imley -Horn and Associates, Inc. Introduction and Summary Currently, all existing study intersections operate at acceptable levels of service. They are all expected to continue to operate acceptably under Baseline, Baseline Plus Project, and Baseline Plus Project Alternative Conditions. Under Buildout Conditions and Buildout With Project Alternative Conditions, 12 of the 14 study intersections are expected to operate acceptably during the peak hours. The intersections of Dougherty Road /Dublin Boulevard and Santa Rita Road /1 -580 Eastbound Ramps are expected to operate unacceptably during the PM peak hour. Cumulative Impacts and Mitigations Required mitigation measures for Buildout and Buildout With Project Alternative Conditions, as included in the Fallon Crossings report, are described below. All references to the "Project" include the original proposed Project and the Project alternative. No additional mitigations are required as part of the analysis for the Casamira Valley Project. 1. The Dougherty Road /Dublin Boulevard intersection will operate at LOS E during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Mitigation Measure 1. Improvements at the Dublin Boulevard /Dougherty Road intersection are included in the Eastern Dublin Traffic Impact Fee (TIF) program. The Project is required to make its fair share payment of impact fees for these improvements. The Project developer shall advance to the City applicable monies for acquisition of right -of -way and construction of the improvements assumed in this study for the intersection of Dublin Boulevard /Dougherty Road. The amount of money advanced to the City shall be based on the developer's fair share of the deficit (spread over those Projects that are required to make up the deficit) between funds available to the City from Category 2 Eastern Dublin TIF funds and the estimated cost of acquiring the right -of -way and constructing the improvements. The City will provide credit for Category 2 Eastern Dublin TIF to the developer for any advance of monies made for the improvements planned for the Dublin Boulevard /Dougherty Road intersection. Additional improvements to improve the LOS at the Dougherty Road /Dublin Boulevard intersection to an acceptable level (LOS D or better) under Buildout Conditions would require adding a fourth northbound left-turn lane on Dougherty Road. Allowing four lanes of traffic to perform a left -turn movement simultaneously would raise major concerns regarding the safety of such an operation. Moreover, additional improvements to reduce traffic impacts at this intersection are not feasible given the physical constraints at the intersection. On a periodic basis, the City should monitor the operations of Dougherty Road /Dublin Boulevard, as well as other intersections at the 1 -580 interchanges, during the PM peak hour. Level of service analysis for this intersection should be updated as forecasted peak hour volumes become available. Therefore, the impact at the Dougherty Road /Dublin Boulevard intersection under Buildout Conditions remains a significant cumulative impact. 2. The Santa Rita /1 -580 Eastbound Ramps intersection will operate at LOS E during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 2 Kimley -Hom Introduction and �❑ and Associates, Inc, Summary Adding a third left turn lane for the eastbound off -ramp approach at the intersection of Santa Rita Road /1 -580 Eastbound Ramps is expected to improve the intersection level of service to LOS D during the PM peak hour under Buildout Conditions. Mitigation Measure 2. The Project developer shall contribute a pro -rata share of the cost to improve the intersection of Santa Rita Road /1 -580 Eastbound Off - Ramp - Pimlico Drive to include a third left -turn lane for the eastbound off -ramp approach at this intersection and other downstream improvements including modifications to the striping on the northbound lanes of the Tassajara Road /1 -580 overpass to accept traffic from the third left -turn lane and maintain three northbound through lanes at the Tassajara Road /1 -580 Westbound Ramps intersection. The current Eastern Dublin TIF program does not include this improvement; however, the program will be amended in 2006 to include this improvement. With this improvement, the impact at the Santa Rita /1 -580 Eastbound Ramps intersection under Buildout Conditions will be reduced to a less- than - significant level. 3. With the proposed Project traffic added to Year 2030 No Project mainline freeway volumes, projected LOS on 1 -580 and 1 -680 would remain unchanged. However, with a projected LOS F on various segments of 1 -580 and 1 -680, Project trips would be adding to an already deficient condition. These specific segments would not meet the ACCMA monitoring standard of LOS E during the AM or PM peak hour. This is considered a significant cumulative impact. Although efficiency improvements (such as HOV Lanes) and expanded public transportation could be added in the 1 -580 corridor, little or no additional freeway capacity for single - occupant vehicles is planned. Actions to encourage alternative travel modes include advocating HOV lanes on 1 -580, extending BART to Livermore, implementing the 1 -580 Smart Corridor approach (including adaptive signal timing, transit priority systems, incident management, and ramp metering), and supporting other major investments in transit. In addition, the City of Dublin plans to construct the Dublin Boulevard extension to North Canyons Parkway in Livermore as a six -lane parallel arterial that will provide additional lane capacity along the 1 -580 corridor. Mitigation Measure 3. The Project is required to pay the Tri- Valley Transportation Development (TVTD) Fee for its proportionate share of 1 -580 and 1 -680 improvements, including HOV lanes, auxiliary lanes, and interchange improvements. The Project will also pay its proportionate share toward public transportation improvements (e.g., West Dublin BART Station and Express Bus Service from Livermore to East Dublin BART Station) by payment of the TVTD Fee. Even though the above improvements will ameliorate traffic conditions on 1 -580 and 1 -680 in the Tri - Valley, they will not mitigate the contribution of projected traffic demand from the Project on these freeways to a less- than - significant level. Therefore, the impact on the freeway system of 1 -580 and 1 -680 in the Project area remains a significant, unavoidable cumulative impact, and no additional impact beyond the analyses of the Eastern Dublin EIR or subsequent supplemental EIRs is identified. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 3 EM" Kirro -Horn M and Associates, Inc. Recommended Project Improvements Introduction and Summary The following sections present measures that are not required as CEQA mitigations, but will improve the Project's circulation and access and assure compliance with applicable City design and operation standards and policies. Off -Site Project Improvements 1. Based on traffic safety considerations, traffic signals should be installed to control traffic at the two intersections providing access to and from the Project site. 2. Under Baseline Plus Project Conditions, for each northbound approach to intersections of Tassajara Road /North Project Access Street and Tassajara Road /South Project Access Street, one through lane and one exclusive 150 -foot right -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. For each southbound approach, one through lane and an exclusive 150 -foot left -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. Each westbound approach should have an exclusive left- turn lane and an exclusive 150 -foot right -turn lane with a 90 -foot taper for Project traffic exiting the site. Each intersection should include a protected southbound left-turn phase. 3. The traffic signals at the two Project access intersections should be coordinated to optimize traffic flow in the Project area. If possible, these intersections should be coordinated with the future intersection of Tassajara Road /Fallon Road. 4. According to the site plan, the two Project access intersections are approximately 625 feet apart, shorter than the minimum 750 -foot spacing between signalized intersections desired by the City. The proposed spacing of these intersections should be increased closer to 750 feet if topographical restrictions permit. 5. The projected average daily traffic (ADT) for the segment of Tassajara Road between Fallon Road and the County Limit is 13,760 vehicles per day (vpd) and 13,860 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes approach the 15,000 vpd maximum threshold standard for two -lane roadways. Because the Casamira Valley Project is directly adjacent to this roadway segment and will contribute to-the projected ADT on this segment, the Casamira Valley Project should construct this widening. 6. The projected ADT for the segment of Tassajara Road between Northern Access for Dublin Ranch West and Fallon Road is 14,610 vpd and 14,690 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes approach the 15,000 vpd maximum threshold standard for two -lane roadways. The Fallon Crossings report recommended that the Fallon Crossings developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in the event that this Project or Project Alternative is developed prior to the Fallon Crossings Project. 7. The projected ADT for the segment of Tassajara Road between North Dublin Ranch Drive and Northern Access for Dublin Ranch West is 18,630 vpd under Baseline Conditions. The projected ADT is 20,100 vpd and 20,180 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes exceed the 15,000 vpd maximum threshold standard for two -lane roadways. The Dublin Ranch West report recommended that the Dublin Ranch West developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in Casamira Valley Residential Development July ]7, 2006 Final Traffic Report Page 4 ��❑ H0 and As Introduction and Summary � and Associaa tes, Inc. the event that this Project or Project Alternative is developed prior to the Dublin Ranch West Project. On -Site Project Improvements 1. If bicycle lanes are placed on streets, chokers should be designed to allow bicyclists to pass unencumbered. Signage reading "Driveways Ahead" may be posted in advance of houses to alert drivers of driveways to serve as another means to help reduce vehicle speeds and increase safety. 2. If speeding is observed along the Project access roads, additional traffic calming measures to the chokers could help maintain appropriate speeds. Narrowing the travel lanes to 11 feet could help reduce travel speeds. 3. Seventeen homes (Lots 1 -17) will front North Project Access Street before the first connector street between North Project Access Street and South Project Access Street. Seven homes (Lots 18 -24) will front South Project Access Street before this. first connector street. These homes will be situated on horizontal and vertical curves that may reduce stopping sight distance to driveways. Minimum sight distances and other roadway geometry issues should be provided based on the City's design standards and verified during the review process. 4. The minimum distance between all driveways should be 20 feet to allow for one parking space. The annexation request for the proposed Project includes the Moller property and additional property adjacent to the west (Tipper and Vargas properties). The Dublin Travel Demand Model (DTDM) used to estimate traffic Conditions in the study area under Year 2025 Buildout Conditions included trips generated by the Tipper and Vargas properties in accordance with the City of Dublin General Plan. As such, traffic impacts associated with the annexation Project included future development of all three properties that will be subject to the annexation (Moller, Tipper, and Vargas properties). Therefore, no additional traffic impacts or mitigations are required for the annexation Project beyond those described in this study for the Casamira Valley Project. Casandra valley Residential Development 17, 2006 Final Traffic Report July 5 z z 0 o �aeN�V Dew N <) z fry 4' to p Tig Z Z 2 Oa W NnooD I O Z W 2 W W - / Z y N ~ ~ LL W LL W 1 I J I 1 •o 1 I I I O 00 i o I r N \ IOtl Nolwd m I Yy CL Z RN \Y / tll tl 2� _ 4 O �� � db MIVfV5SV1 °e'y ai t _�NtMP w �n L,yd 0 as Naves L CL nay N I- 2 O 6 ca Od DIONtlV Q L_ /� 34HOHNOa1 4— E .� G M Z U �. m '4/rl M Q 30 UU> = Utl @MMOH w M Dtl AIH3HDD00 LL r f 1 . f r all I w Ml r d ;t �b r Z i .y%e,iY� ■ 1 ❑ ❑ K rrdey -Hom and Associates, Inc. Intersection Analysis Methodology 2 INTERSECTION ANALYSIS METHODOLOGY 2.1 Study Intersections and Scenarios The following nine existing and five future intersections were identified as locations that may potentially be impacted by the proposed Project: 1. Dougherty Road / Dublin Boulevard 2. Hacienda Drive / 1 -580 Eastbound Ramps 3. Hacienda Drive 11-580 Westbound Ramps 4. Hacienda Drive / Dublin Boulevard 5. Santa Rita Road / 1 -580 Eastbound Ramps - Pimlico Drive 6. Tassajara Road / 1 -580 Westbound Ramps 7. Tassajara Road / Dublin Boulevard 8. Tassajara Road / Fallon Road (Future Intersection) 9. Fallon Road / Dublin Boulevard (Future Intersection) 10. El Charro Road / 1 -580 Eastbound Ramps 11. Fallon Road / 1 -580 Westbound Ramps 12. Fallon Road / Street "E" (Future Intersection) 13. Tassajara Road / North Project Access (Future Intersection) 14. Tassajara Road / South Project Access (Future Intersection) The study intersections listed above were analyzed for the AM and PM peak periods for the following four general scenarios: • Existing Conditions — This scenario evaluates existing (April 2005) traffic volumes and roadway conditions based on traffic counts, field surveys, and analysis extracted directly from the Fallon Crossings traffic study. • Baseline Conditions — This scenario uses existing land use conditions plus future traffic from approved and pending Projects in Dublin, Pleasanton, and Dougherty Valley. Approved Projects are developments that are under construction, built but not fully occupied, or not built but have final site development review (or equivalent) approval. Baseline Conditions for the proposed Project were developed by subtracting trips generated by the Casamira Valley Project from the Baseline Plus Project Conditions as presented in the Fallon Crossings traffic study, using the trip distribution and assignment applied in that study. • Baseline Plus Project Conditions — This scenario adds trips generated by the proposed Casamira Valley to Baseline Conditions. • Year 2025 Buildout Conditions — This scenario uses the traffic volume forecasts obtained from the (DTDM) for Year 2025. Year 2025 Buildout With Project Conditions model includes all of the approved, pending, future build out (including "general plan ") Projects, and the proposed Casamira Valley Project. For freeways, this scenario uses Year 2030 forecasts derived from DTDM forecasts for Year 2025, as Caltrans currently utilizes Year 2030 as the horizon year for analysis of freeway operations. Buildout Conditions were taken directly from the Fallon Crossings traffic study. Casandra Valley Residential Development July 17, 2006 17mal Traffic Report _wage 8 ❑�❑ ande�o ft Inc. Intersection Analysis Methodology 2.2 Level of Service Analysis Methodology Signalized Intersections Level of service (LOS) is a measure of the quality of the overall operating characteristics of an intersection, street, or highway. It is defined in terms of volume -to- capacity (V /C) ratios, which can be correlated to travel time, traffic conflicts and interruptions, freedom to maneuver, driving convenience and comfort, and operating costs. Level of service is dependent upon traffic volume and composition of traffic. LOS qualifies operating conditions at intersections ranging from LOS A (free -flow condition) to LOS F (highly congested condition). The LOS calculations utilize Intersection Capacity Utilization (ICU) methodology adopted by the Contra Costa Transportation Authority (CCTA) for signalized intersections. Unsignalized Intersections The evaluation of unsignalized intersections applied the operations method of the 2000 Highway Capacity Manual. For two -way stop - controlled intersections the average control delay for the worst approach is reported. As for signalized intersections, LOS ranges from LOS A (free -flow condition) to LOS F (highly congested condition). Appendix A presents methodologies used in the LOS analysis for signalized and unsignalized intersections. 2.3 Significant Impact Criteria The following significant impact criteria were taken from the Fallon Crossings report. Intersections An impact would be significant if an intersection previously mitigated to an acceptable level would now exceed acceptable levels. In addition, an impact would be significant if a new intersection is identified as exceeding acceptable levels and if such intersection was not previously identified in the Eastern Dublin EIR as a study intersection. The General Plan standard requires that the City strive for LOS D at intersections (General Plan Circulation and Scenic Highways Guiding Policy F). Routes of Regional Significance With respect to routes of regional significance, an impact would be significant if such routes would fail to comply with the applicable standard of the General Plan. The General Plan requires the City to make a good faith effort to maintain LOS D on arterial segments of, and at the intersections of, routes of regional significance (Dublin Boulevard, Dougherty Road, Tassajara Road and San Ramon Road) or implement transportation improvements or other measures to improve the level of service. If such improvements are not possible or sufficient, and the Tri- Valley Transportation Council cannot resolve the matter, the City may modify the level of service standard assuming other jurisdictions are not physically impacted (General Plan Circulation and Scenic Highways Guiding Policy E7. The maximum ADT threshold standards of the General Plan are used to determine the through lane requirements for two -lane roadways (15,000 vpd), four -lane roadways (30,000 vpd), six -lane roadways (50,000 vpd), and eight -lane roadways (70,000 vpd). Casamira Palley Residential Development July 17, 2006' Final Traffic Report Page 9 ❑�❑ ae ksos, Inc. Intersection Analysis Methodology Freewav Seaments The LOS for a freeway segment is based on peak hour traffic volumes in terms of number of passenger cars per hour. Similar to intersection operation, the 2000 Highway Capacity Manual ranks volume -to- capacity ratios for freeway segment operation ranging from LOS A (free -flow condition) to LOS F (highly congested condition). The standard for freeway impacts is based upon the Alameda County Congestion Management Agency (ACCMA) monitoring standards and is established at LOS E, which represents "at capacity" operation. Public Transit Public transit impacts would be significant if the demand for public transit service would be increased above that which could be accommodated by local transit operators or agencies. Traffic Safety CEQA allows for consideration of increased hazards on roadway facilities as part of the basis for identifying standards of significance. A significant traffic safety impact would include a design feature, such as a sharp curve or dangerous intersection, which would not be consistent with City of Dublin engineering design standards or standards published by other traffic engineering professional organizations. Casamira Valley Residential Development July 17, 2006 FYnal YYalc Report Page 10 IGmley -Horn and Associates, Inc. 3 EXISTING CONDITIONS 3.1 Roadway Network Existing Conditions Because the Fallon Crossings Project is adjacent to the proposed Casamira Valley Project, lane geometry, traffic counts, and intersection analysis were taken directly from the Fallon Crossings report. The description below of important roadways serving the Project site was taken from the Fallon Crossings report. Interstate 580 is an eight -lane east -west freeway that connects Dublin with local cities such as Livermore and Pleasanton as well as regional origins and destinations such as Oakland, Hayward and Tracy. In the vicinity of the proposed Project, 1 -580 carries between 184,000 and 198,000 vpd (according to Caltrans' 2003 Traffic Volumes on California State Highways) with interchanges at Dougherty Road /Hopyard Road, Hacienda Drive, Tassajara Road /Santa Rita Road and Fallon Road/El Charro Road. Interstate 680 is a six -lane north -south freeway through Alameda and Contra Costa Counties serving such communities as Dublin, Pleasanton, and San Ramon. The new southbound 1-680 two -lane flyover connecting to eastbound 1 -580 was completed and opened to traffic in 2002. A direct one -lane connector ramp also exists connecting northbound 1 -680 to eastbound 1 -580. Dublin Boulevard is an east -west, major arterial in the City of Dublin. Dublin Boulevard, west of Dougherty Road, is a four to six lane divided road fronted largely by retail and commercial uses. Between Dougherty Road and Tassajara Road, Dublin Boulevard is a six -lane divided arterial fronted primarily by residential, commercial and vacant lands. Dublin Boulevard extends east of Tassajara Road to Keegan Street as a four -to -five lane roadway fronted by new residential development. Tassajara Road connects with Santa Rita Road at 1 -580 to the south and continues north to the Town of Danville. It is four lanes wide between 1 -580 and North Dublin Ranch Road. North of the Contra Costa County line, it is named Camino Tassajara. Camino Tassajara is used primarily for local traffic in the Tassajara Valley, with some through traffic. Santa Rita Road is a six -lane divided urban arterial from the 1 -580 interchange south to Valley Avenue. It serves the east side of Pleasanton, including the Hacienda Business Park, and provides access to the downtown Pleasanton area. Central Parkway is a two -to -three lane east -west collector that extends from Arnold Road to Keegan Street (east of Tassajara Road). An extension of Central Parkway east of Fallon Road is being planned as part of the Eastern Dublin Properties Project. Hacienda Drive is an arterial designed to provide access to 1 -580. North of 1 -580, Hacienda Drive is a three -to- six -lane arterial running in the north -south direction from Gleason Drive southerly to 1 -580. It is primarily fronted by commercial, office and residential uses. South of 1 -580, Hacienda Drive is a six -lane divided road, a major arterial in the City of Pleasanton. Figure 3 illustrates the existing lane geometry and intersection control at the nine existing study intersections. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 11 fII F 2 _ EO N W U Z C9 rz w k' z W J Q' N O Q W Q C Z N � Q LL O Z Z Z � ROQ' U N O = CL Q = i N :W2 LL F Q a ep- —W � N N O W LL W W o JJ7 U- I.- N O •o �f o �c O .nw o JI IJ I I r�000 7. J JL i 11 Y o L mad\ O 00 LO f� 41 E JJ Lt i .2 > cl CL a. L W — 11f ° yn, g w . o LL� i mZ 11ff�r�W - E p od� A W N _ Z � ❑�0 aanndAss dales, Inc, Existing Conditions 3.2 Existing Transit Service The description below of existing transit service in the Project area was taken from the Fallon Crossings report. Altamont Commuter Express (ACE): The Altamont Commuter Express operates three trains per day between Stockton and San Jose. The trains provide westbound service in the morning and eastbound service in the evening. The trains have Tri- Valley stations at Vasco Road in Livermore and near the downtowns of Livermore and Pleasanton, the latter of which is most likely to serve Dublin commuters. The ACE train was not in operation at the time the Eastern Dublin Specific Plan and General Plan Amendment were approved and the Eastern Dublin EIR was certified. Livermore — Amador Valley Transit Authority (LAVTA — Wheels): The Livermore - Amador Valley Transit Authority provides bus service to the communities of Dublin, Pleasanton and Livermore. I ; Several bus lines currently provide service to Eastern Dublin, including lines 12, 12X, 10A, 1A, 1B, 20X and the ACE connector. Lines operate on approximately 30- minute headways. It is expected that these lines would be expanded further as additional homes and businesses are constructed in the Eastern Dublin area. There is a Wheels bus connection between each ACE train and the Dublin /Pleasanton BART station with intermediate stops. Fixed route transit service, Direct Access Responsive Transit (DART), is also available in the Dublin area. BART., The Bay Area Rapid Transit (BART) District operates trains between the Dublin- Pleasanton station near Hacienda Drive and the Oakland -San Francisco area. BART runs at 15- to 20- minute headways between 4:00 AM and 12:00 AM on weekdays. Saturday service is available every 20 minutes between 6:00 AM and 12:45 AM. Service is also available on Sunday from 8:00 AM to 12:45 AM with 20- minute headways. The Dublin- Pleasanton station is accessible by private auto, taxi cabs, buses, and private shuttles as well as by pedestrians and bicyclists. The parking lot has a capacity of approximately 1,680 parking stalls on the north side of 1 -580 (i.e., Dublin side), in addition to more parking stalls on the south side of 1 -580 (i.e., Pleasanton side). 3.3 Level of Service Analysis (Existing Conditions) The existing AM and PM peak hour traffic volume counts were conducted at the nine existing study intersections in April 2005. Figure 4 shows the current peak hour turning movement volumes at the study intersections. Table 1 summarizes the results of the signalized and unsignalized intersection level of service analyses for existing conditions. Detailed calculations are contained in Appendix B. Currently, all nine existing study intersections operate at acceptable service levels during the peak hours. 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C, ' -.Z O F- ��X UUW W LL 19xJ9as�- � N 0 �15¢I �I R to F'r a IR_ �b9N its - � 1994 vi[ UKl ui, —� hnl N6 —� I vi� R 5 W., n a a z0 0 2 I FA lL � a a M � d O a W w � J O v > � C E CWC Q G w d W 0 d o C U 02 dz o C. Z d M L c a� Y d 5 a 20 a � t _= R W Q > I. C, ' -.Z O F- ��X UUW W LL fifififi� Wey -Hom and Associates, Inc. Existing Conditions Casamira Valley Residential Development Final Trafc Report July 17, 2006 Page 15 0�❑ 11n Associates, aseline Conditions � and Associates, Inc. tnc 4 BASELINE CONDITIONS Most of the discussion of the Baseline Conditions in the following sections was taken directly from the Fallon Crossings study. 4.1 Introduction Baseline Conditions for the proposed Project were developed by subtracting trips generated by the Casamira Valley Project from the Baseline Plus Project Conditions as presented in the Fallon Crossings traffic study. The trip distribution and assignment assumptions applied in the Fallon Crossings report were used in this analysis. Baseline Conditions are Existing Conditions with the addition of traffic from approved and pending Projects in Dublin, Pleasanton, and Dougherty Valley. Approved Projects in Dublin are developments that are under construction, built but not fully occupied, or not built but have final site development review (SDR) approval. City of Dublin staff provided a list of approved and pending Projects within their jurisdiction. The City of Pleasanton and Contra Costa County were contacted in May 2005 to ascertain approved and pending Projects, both north and south of the City of Dublin that potentially could impact the study intersections. Tables C1 and C2 of Appendix C list approved and pending Projects in Dublin, respectively. Table C4 of Appendix C lists approved and pending Projects in Pleasanton and Dougherty Valley. 4.2 Trip Generation Trip generation is defined as the number of "vehicle trips" produced by a particular land use or Project. A trip is defined as a one - direction vehicle movement. The total number of trips generated by each land use includes the inbound and outbound trips. The trip rates are obtained from the standard reference Trip Generation, 7th Edition, published by the Institute of Transportation Engineers (ITE). Trips rates were also obtained from previous traffic study reports of corresponding Projects. Tables C1 and C2 of Appendix C summarize the trip generation assumptions for the approved and pending Projects in Dublin, respectively. The approved Projects identified in Table C1 are expected to generate a total of approximately 79,118 additional daily trips, with 7,206 trips occurring during the AM peak hour, and 7,968 trips occurring during the PM peak hour. Subtracting the number of trips associated with the Casamira Valley (Moller Property) Project, the pending Projects identified in Table C2 are expected to generate a total of approximately 31,634 additional daily trips, with 2,586 trips occurring during the AM peak hour, and 2,766 trips occurring during the PM peak hour. 4.3 Trip Distribution and Assignment Trip distribution is the process of determining what proportions of vehicle trips would travel between the Project site and various destinations within a study area. Trip assignment is the process of determining the various paths vehicles would take from the Project site to each destination. Trip distribution assumptions were taken from the Fallon Crossings traffic study. They were developed based on information from previous traffic studies of approved Projects, knowledge of the area, consultation with City staff and results from the new DTDM. Trips from approved Projects and pending Projects were added to the existing volumes to forecast the turning volumes under Baseline (Existing + Approved + Pending) Conditions. The traffic volumes at the study intersections for this scenario take into account future traffic (approved plus pending) to and from Pleasanton and Dougherty Valley. Casamlra Valley Residential Development July 17, 2006 Final Traffic Report Page 16 Kimley -Hom and Associates, Inc. Baseline Conditions Figure 5 shows the forecasted turning movement volumes at the study intersections under Baseline Conditions. Figure C1 of Appendix C illustrates lane geometry and intersection control assumptions for Baseline Conditions. Appendix C contains Baseline Conditions turning movement volumes for each study intersection. 4.4 Planned Roadway Improvements For this scenario, three of the future intersections (Tassajara Road /Fallon Road, Fallon Road /Dublin Boulevard, Fallon Road /Street "E ") are assumed to be in place and signalized as part of other development improvements expected in the area. The northeasterly leg of the Tassajara Road /Fallon Road intersection will be constructed as part of the Fallon Crossings development. The Fallon Road /Street "E" intersection will be constructed as part of Phase 4 of the Silveria Ranch development. The interim geometries for the Tassajara Road /Fallon Road, Fallon Road /Dublin Boulevard, and Fallon Road /Street "E" under the Baseline Conditions are shown in Figure C1 in Appendix C. Under Baseline Conditions, the intersections of El Charro Road /1 -580 Eastbound Ramps and Fallon Road /1 -580 Westbound Ramps will be widened and signalized as part of the Phase I Fallon Road Interchange Improvement Project. The intersection of Dublin Boulevard /Dougherty Road would consist of the following lane configurations based on the improvements planned by the City of Dublin for this intersection: • Northbound Dougherty Road approach would have three left -turn lanes, three through lanes, and two right -turn lanes. • Southbound Dougherty Road approach would have two left -turn lanes, three through lanes and one shared through /right -turn lane. • Eastbound Dublin Boulevard approach would include two left -turn lanes, three through lanes and two right -turn lanes. • Westbound Dublin Boulevard approach would have three left -turn lanes, three through lanes and one right -turn lane. These improvements are included in the City's 5 -year Capital Improvement Program (CIP) and are expected to be implemented by the time the proposed Fallon Crossings Project is fully developed. The current CIP Project to install these improvements at Dublin Boulevard and Dougherty Road is funded by Project developers who are required to pay their pro -rata share of the cost to construct these improvements through payment of the Eastern Dublin Traffic Impact Fee. The extension of Fallon Road north to Tassajara Road will include two lanes of traffic for the interim (Eastern Dublin TIF improvement). Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 17 m (A W o o > N M3 o r:;-� C m m as rn g } e D N C +; M v p 3 v m � nv 00 ' C Q o_ � 3 c C .. X w Z - Z n T o < m a m 0 z ca as a 'O O N L G c � O w v � o a Ol N to O O 'O e�1 N Bo I ME MWN o Ss 9 HHH I I I I I 0 N m �` I 1 O• �1111ni1 � C X C X �,]l ltln dm 19516e11 -- nT. 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Detailed calculations are contained in Appendix D. Tahlp 2- Intersection Levels of Service — Baseline Conditions i 7� ec�to i,i rur ii3- k1*i1 -M k't6IN L {'ZW.�Y- ,+Y`�",cY3r.Y� M,M-la ""ice our �:cK2 il �3 ^y3 b �..� � Pea aura 1 Dougherty Road /Dublin Boulevard 0.64 B 0.73 C 2 Hacienda Drive /1 -580 Eastbound Ramps 0.67 B 0.61 B 3 Hacienda Drive /1 -580 Westbound Ramps 0.61 B 0.50 A 4 Hacienda Drive /Dublin Boulevard 0.50 A 0.70 B 5 Santa Rita /1 -580 Eastbound Off -Ramp- Pimlico Drive 0.70 B 0.70 B 6 Tassajara Road /1 -580 Westbound Ramps 0.62 B 0.73 C 7 Tassajara Road /Dublin Boulevard 0.71 C 0.74 C 8 Tassajara Road /Fallon Road 0.62 B 0.47 A 9 Fallon Road /Dublin Boulevard 0.44 A 0.42 A 10 El Chano Road /1 -580 Eastbound Ramps 0.07 A 0.10 A 11 Fallon Road /1 -580 Westbound Ramps 0.22 A 0.37 A 12 Fallon Road /Street "E" 0.09 A 0.14 A 13 Tassajara Road /North Project Access n/a n/a n/a n/a 14 Tassajara Road /South Project Access n/a n/a n/a n/a All of the study intersections are expected to continue to operate at an acceptable service level under Baseline Conditions. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 19 ��❑ Kimley -Horn Baseline Plus Project Conditions and Associales, Inc. 5 BASELINE PLUS PROJECT CONDITIONS Most of the discussion of the Baseline Plus Project Conditions in the following sections was taken directly from the Fallon Crossings study. New onsite and offsite Project improvements and circulation recommendations were developed for the proposed Project. 5.1 Introduction This scenario adds trips generated by proposed Casamira Valley development to conditions in the Baseline Conditions. The proposed Project will include 179 single - family homes and 16 duplex units. Access to the proposed Project will be provided at North Access Road and South Access Road. These two roads will form two full- access intersections with Tassajara Road. See Figure 2. 5.2 Project Trip Generation Trip Generation, 7th Edition, published by the Institute of Transportation Engineers (ITE), was used to estimate the number of trips generated by the proposed Project. Summarized in Table 3, the Project will generate 141 AM peak hour trips and 189 PM peak hour trips. Table 3: Proposed Project Trip Generation 5 "^ 'y SA+h'J 4L�IZe,'.'. � �'X&?`✓ d:`` T.,S, � k �` SC�:`a P.+;. �'A�n.dxtL�:�'' a��` Y 3, s � - -. ..{ � u Land1se ¢ 4, R� Rate §o#als� to Rte x #dnx �OUt P �a 9'otal . iZate, ,ftate"� = to r 4 Out Taal t t sM� {u Ij s f r Ins Out ,n 3 .., .. ,: Single - Family 179 9.57 1,713 0.19 0.56 34 100 134 0.65 0.36 114 67 181 Homes Residential Townhouse/ 16 5.86 94 0.07 0.37 1 6 7 0.35 0.17 5 3 8 Condominium TOTAL 1,807 TOTAL 35 106 1 141 TOTAL7 119 70 189 Source. Trip Generation, M Edition, by tTE (Land Use Codes 210 & 230) The proposed Project is consistent with the General Plan and Eastern Dublin Specific Plan and is not expected to generate more AM or PM peak hour trips than anticipated in the City's General Plan; therefore, no additional traffic impact analysis of the Project is required by the Alameda County Congestion Management Agency (ACCMA) to satisfy the Land Use Analysis Program of the Alameda County Congestion Management Program (CMP). 5.3 Project Trip Distribution and Assignment Trip distribution and assignment assumptions for the proposed Project were taken from the Fallon Crossings report and developed based on existing travel patterns, knowledge of the study area, input from City staff, and results from the new Dublin Travel Demand Model. Trip distribution and assignment assumptions used in Baseline Plus Project Conditions are shown in detail in Figure 6. Twenty percent of all Project trips were assumed to be local within the study area; therefore, they were assigned to study area intersections as appropriate. Appendix C contains Baseline Plus Project Conditions turning movement volumes for each study intersection. 5.4 Level of Service Analysis (Baseline Plus Project Conditions) Figure 7 shows the forecasted turning movement volumes at the study intersections under Baseline Plus Project Conditions. Table 4 summarizes the results of the intersection level of service analysis. Detailed calculations are contained in Appendix E. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 20 CM" Krnley -Horn and Associates, Inc. Baseline Plus Project Conditions The lane geometry and planned roadway improvements for this scenario would be the same as those described in the previous chapter for Baseline Conditions. The lane geometry assumptions and intersection control at the study intersections are provided in Figure C1 of Appendix C. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 21 W W J- -Itrin I J. ` —Inlxl V U 0 0 Fi W >/ >/ NN w Q <_ W 0FW-W m.--, W C7 Z C7 Y Y ana� LL Irtl tc� (' Z W Z W Q Q a d � N e J y� y � � W W Q LL W LL LL f —I[tlr � � -191t I �Inlu � I � —lilC • O ❑ N Wu� W Z rc lslt� W. � � a � N o N �rax N °"• T �kll N 7 -�ISIi d 07 C � C •" LL L / A a v w o I o = -- 0 1 0 O V O 00 - L a o r� N w I E N 6 R C 8\ - -�L11 - -IIIIC 0 N R R Z m ..�.. W Ire.on. al � \ s r0— J7 a 8I t 3 o � a E O Z LJJ 4` m'N nPoVnMa O Wd�� 0 ' r V� / d a .1Q.i J - � —Issl rl � r I aaw. L U O �LU UUa I^ N W uNMaW \a` �N Lu N LL a = Q 2 IC °i E �k09114 ter. 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Baseline Plus Project Conditions Table 4: Intersection Levels of Service - Baseline Plus Project Conditions Under the Baseline Plus Project Conditions, all study intersections are expected to operate at acceptable service levels. Traffic generated by the Project results in very small changes to V/C ratios and no changes in LOS at the study intersections. No potentially significant impacts are identified for this scenario. 5.5 Recommended Off -Site Project Improvements The following Project specific off -site improvements are recommended to improve access and operations related to proposed circulation features of the Project: 1. Based on traffic safety considerations, traffic signals should be installed to control traffic at the two intersections providing access to and from the Project site. 2. Under Baseline Plus Project Conditions, for each northbound approach to intersections of Tassajara Road /North Project Access Street and Tassajara Road /South Project Access Street, one through lane and one exclusive 150 -foot right -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. For each southbound approach, one through lane and an exclusive 150 -foot left -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. Each westbound approach should have an exclusive left - turn lane and an exclusive 150 -foot right -turn lane with a 90 -foot taper for Project traffic exiting the site. Each intersection should include a protected southbound left -turn phase. 3. The traffic signals at the two Project access intersections should be coordinated to optimize traffic flow in the Project area. If possible, these intersections should be coordinated with the future intersection of Tassajara Road /Fallon Road. Casandra Valley Residential Development July 17, 2006 Final Traffic Report page 24 1 Dougherty Road /Dublin Boulevard 0.64 B 0.74 C 2 Hacienda Drive /1 -580 Eastbound Ramps 0.67 B 0.61 B 3 Hacienda Drive /1 -580 Westbound Ramps 0.61 B 0.50 A 4 Hacienda Drive /Dublin Boulevard 0.50 A 0.70 B 5 Santa Rita /1 -580 Eastbound Off -Ramp- Pimlico Drive 0.70 B 0.71 C 6 Tassajara Road /1 -580 Westbound Ramps 0.62 B 0.75 C 7 Tassajara Road /Dublin Boulevard 0.71 C 0.76 C 8 Tassajara Road /Fallon Road 0.67 B 0.50 A 9 Fallon Road /Dublin Boulevard 0.44 A 0.42 A 10 El Charro Road /1 -580 Eastbound Ramps 0.07 A 0.10 A 11 Fallon Road /1 -580 Westbound Ramps 0.22 A 0.37 A 12 Fallon Road /Street "E" 0.09 A 0.14 A 13 Tassajara Road /North Project Access 0.56 A 0.65 B 14 Tassajara Road /South Project Access 0.59 A 0.68 B Under the Baseline Plus Project Conditions, all study intersections are expected to operate at acceptable service levels. Traffic generated by the Project results in very small changes to V/C ratios and no changes in LOS at the study intersections. No potentially significant impacts are identified for this scenario. 5.5 Recommended Off -Site Project Improvements The following Project specific off -site improvements are recommended to improve access and operations related to proposed circulation features of the Project: 1. Based on traffic safety considerations, traffic signals should be installed to control traffic at the two intersections providing access to and from the Project site. 2. Under Baseline Plus Project Conditions, for each northbound approach to intersections of Tassajara Road /North Project Access Street and Tassajara Road /South Project Access Street, one through lane and one exclusive 150 -foot right -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. For each southbound approach, one through lane and an exclusive 150 -foot left -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. Each westbound approach should have an exclusive left - turn lane and an exclusive 150 -foot right -turn lane with a 90 -foot taper for Project traffic exiting the site. Each intersection should include a protected southbound left -turn phase. 3. The traffic signals at the two Project access intersections should be coordinated to optimize traffic flow in the Project area. If possible, these intersections should be coordinated with the future intersection of Tassajara Road /Fallon Road. Casandra Valley Residential Development July 17, 2006 Final Traffic Report page 24 EM" Nrnley -Horn Baseline Plus Project Conditions M and Associ&s, Inc. 4. According to the site plan, the two Project access intersections are approximately 625 feet apart, shorter than the minimum 750 -foot spacing between signalized intersections desired by the City. The proposed spacing of these intersections should be increased closer to 750 feet if topographical restrictions permit. 5.6 Site Access, Parking, and Circulation The proposed site plan was supplied by the City and was used in the site access, parking, and circulation evaluations (Ruggeri, Jensen, Azar & Associates. "Preliminary Site Plan — Casamira Valley." September 20, 2005). As shown on Figure 2, Project access will be at two driveways on Tassajara Road. Based on review of the Project design from the proposed site plan, no significant Project impacts are expected in terms of site access and circulation. The following are design recommendations to improve site access, parking, and circulation for the Project area. Both North Project Access Street and South Project Access Street run roughly east -west and form tee - intersections to the west with Tassajara Road. Based on the proposed site plan, both streets are approximately 32 feet wide with one travel lane in each direction. Although the streets are not completely straight and level, they may induce speeding due to their width and the large distance between Tassajara Road and the majority of housing lots. Installing traffic calming devices in accordance with the City's standards would be appropriate in controlling travel speeds. According to the site plan, mid -block curb extensions ( "chokers ") are proposed in advance of all houses in both directions of travel. The travel way is reduced to approximately 24 feet through the chokers, which is sufficient width to accommodate emergency vehicles. If bicycle lanes are placed on streets, chokers should be designed to allow bicyclists to pass unencumbered. Signage reading "Driveways Ahead" may be posted in advance of houses to alert drivers of driveways and to serve as another means to help reduce vehicle speeds and increase safety. Assuming 12 feet each for two travel lanes on the 32 -foot wide access roads, one 8 -foot parking lane can be accommodated along one side of each street; however, parking would be desirable only adjacent to parcel driveways. Along the stretches of road where parking is not provided, the wide roadway could induce speeding. An alternative lane configuration would be 12 feet each for two travel lanes with 4 -foot bicycle lanes on each side; however, grades greater than 10 percent would likely discourage most riders from using provided bicycle lanes. If speeding is observed along the Project access roads, additional traffic calming measures with the chokers could help maintain appropriate speeds. Narrowing the travel lanes to 11 feet could help reduce travel speeds. Seventeen homes (Lots 1 -17) will front North Project Access Street before the first connector street between North Project Access Street and South Project Access Street. Seven homes (Lots 18 -24) will front South Project Access Street before this first connector street. These homes will be situated on horizontal and vertical curves that may reduce stopping sight distance to driveways. Minimum sight distances and other roadway geometry issues should be provided based on the City's design standards and verified during the review process. According to the site plan, roads providing access to Lots 37 -186 on the eastern side of the Project site will widen to approximately 36 feet. This width is sufficient to accommodate emergency vehicle access. If 8 -foot parking lanes are provided on both sides of the streets, the remaining 20 feet of travel way should be sufficient to allow opposing vehicles to pass, given the expected low volumes on the streets. The minimum distance between all driveways should be 20 feet to allow for one parking space. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 25 ��❑ Kimley -Horn Buildout Conditions and Associates, Inc. 6 BUILDOUT CONDITIONS This scenario adds traffic from buildout Projects in Dublin, Pleasanton and Dougherty Valley, to the Baseline Plus Project Conditions. Buildout Conditions are based on local general plans and expected to be in place in Year 2025. Most of the discussion and conditions were taken from the Fallon Crossings traffic study. 6.1 Introduction City staff provided a list of Buildout Projects as shown in Table C3 of Appendix C. All of these land uses are included in the new DTDM. The DTDM was used to forecast traffic volumes under Buildout Conditions (Year 2025). 6.2 Buildout Roadway Improvements Additional roadway improvements beyond those discussed previously in this report are planned within the study area and are assumed in the Buildout Conditions analysis. They include the following: Dublin Boulevard/Tassajara Road Capacity Improvements — Addition of two westbound left -turn lanes, one through lane and one right -turn lane; two northbound through lanes; one eastbound through lane; and one southbound left -turn lane. Some of these improvements have been constructed, but not open to traffic (Eastern Dublin TIF improvement). Scarlett Drive Extension — Extension of Scarlett Drive from Dublin Boulevard north to Dougherty Road and associated intersection improvements at Dublin Boulevard /Scarlett Drive and Dougherty Road /Scarlett Drive (Eastern Dublin TIF improvement). Dublin Boulevard/Hacienda Drive Capacity Improvements — Addition of one westbound right -turn lane and conversion of a northbound right -turn lane to a third through lane (Eastern Dublin TIF improvement). Hacienda Drive /1 -580 Westbound Off -ramp Capacity Improvements — Widening of the northbound Hacienda overpass to four lanes to accommodate an exclusive lane leading to the 1 -580 westbound loop on -ramp. Addition of one shared right/left -turn lane on the off -ramp approach (Eastern Dublin TIF improvement). Hacienda Drive /1 -580 Eastbound off -ramp capacity improvement — Addition of one shared right/left- turn lane on the off -ramp approach (Eastern Dublin TIF improvement). Dublin Boulevard /Dougherty Road Capacity Improvement — Addition of ultimate improvements as identified on pages 158, 159 and 167 of the Transit Center Draft EIR and page 3.6 -17 of the East Dublin Properties Draft Supplemental EIR. Both EIRs were certified in connection with related Project approvals. These improvements are expected to occur with the full development of the Transit Center Project (Eastern Dublin TIF Improvement). Under this scenario, Dublin Boulevard (six lanes) is assumed to be extended to North Canyons Parkway in Livermore, and Central Parkway (two or four lanes) is assumed to be extended to east of Fallon Road. Phase II Fallon Road interchange improvements are also assumed to be in place for Buildout Conditions. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 26 ❑ ❑ Kimley -Horn and Associates, Inc. Project Access Intersections Buildout Conditions Under Buildout Conditions, each Project access intersection with Tassajara Road will have the following lane configurations: • Northbound approach: three through lanes and one right -turn lane. • Southbound approach: one left -turn lane and three through lanes. • Westbound approach: one left -turn lane and one right -turn lane. 6.3 Level of Service Analysis (Buildout Conditions) Figure 8 shows the forecasted turning movement volumes for Buildout Conditions. Table 5 summarizes the results of the LOS analysis. The lane geometry assumptions and intersection control at the study intersections under Buildout Conditions are provided in Figure C2 of Appendix C. The detailed LOS calculations are contained in Appendix G. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 27 Z W W O Z lenl ru J — mslaan I I balsa F � J J J I ruw'au9 U O O y W > > vi N W K Q O> > N 93 t— W O Q ? 16ra 0rl'l —+ F mtl6.� d. pl mK'u Sw'1� 1�i Ifl tl _- LLI ? mU•�6[l'L —� � L Z � Q Q• E LLI 1— W W d V1 F- w Q. d ❑ 5Z wLL w Ll. ¢ a _ �IroU NC $ a �m(v NI - �IHlzl X d JL — mNaN9'1 J �` �m[ruNn • O I x � J` .�mwaN9 Q o � a w > d mla NL� 1 1 Z N w ms � M! Iss(tlsu'1 —� N o r — c p S a [[9[1ere �1[ul tar � j y 1. � �-- ILC616LL1 �-- IM'119LB N J �199J tt5 d / O IK[I IC9� 1 W ILM 919'1 —� ro mziU l� F o tl w I C 6[ahC� R $ p - _ � �(� c 0 `Iw91610'4 w �� > J�— lnaac! J f -11'11 lrc az5\ I QZ d F- 1 �lao z o 11919 d W > > m10'II Z61'I a 19[911(C�� It91 (IC� _ S i \ I A , W O LL R z t 0 Q. —wet.". ? i c O Z rt, CL p o m 0 n $ `I9CS1116 r � o MINI rlS + �mw'll 3 N 0 O mY109 �- mlra9N'L� M `W co m N a LLB Z o o (' z LL ❑Kimley -Hom M and Associates, Inc. Buildout Conditions Table 5: Intersection Levels of Service - Buildout Conditions y i `+vF Source: TJKM Transportation Consultants. "A Traffic Study for the Proposed Fallon Crossings Development" September 28, 2005 for Intersection ID 1 -12. Under the Buildout Conditions, operations at the two Project access intersections are expected to be acceptable. The intersections of Dougherty Road /Dublin Boulevard and Santa Rita Road /1 -580 Eastbound Ramps - Pimlico Drive are expected to operate unacceptably at LOS E during the PM peak hour, as described below. Cumulative Impact 1 The Dougherty Road /Dublin Boulevard intersection would operate at LOS E (V /C = 0.93) during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Mitigation Measure 1 Improvements at the Dublin Boulevard /Dougherty Road intersection are included in the Eastern Dublin Traffic Impact Fee (TIF) program. The Project is required to make its fair share payment of impact fees for these improvements. The Project developer shall advance to the City applicable monies for acquisition of right -of -way and construction of the improvements assumed in this study for the intersection of Dublin Boulevard /Dougherty Road. The amount of money advanced to the City shall be based on the developer's fair share of the deficit (spread over those Projects that are required to make up the deficit) between funds available to the City from Category 2 Eastern Dublin TIF funds and the estimated cost of acquiring the right -of -way and constructing the improvements. The City will provide credit for Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 29 ­M na iz _ uIfit, d`j16 s iM'�;, 1 Dougherty Road /Dublin Boulevard 0.77 C 0.93 E 2 Hacienda Drive /1 -580 Eastbound Ramps 0.81 D 0.60 A 3 Hacienda Drive /1 -580 Westbound Ramps 0.79 C 0.65 B 4 Hacienda Drive /Dublin Boulevard 0.86 D 0.84 D 5 Santa Rita /1 -580 Eastbound Off-Ramp- Pimlico Drive - With third eastbound left-tum lane 0.81 0.75 D C 0.95 0.84 E D 6 Tassajara Road /1 -580 Westbound Ramps 0.71 C 0.71 C 7 Tassajara Road /Dublin Boulevard 0.89 D 0.80 C 8 Tassajara Road /Fallon Road /Project Access 0.50 A 0.82 D 9 Fallon Road /Dublin Boulevard 0.76 C 0.89 D 10 El Charro Road /1 -580 Eastbound Ramps 0.59 A 0.49 A 11 Fallon Road /1 -580 Westbound Ramps 0.64 B 0.66 B 12 Fallon Road /Street "E" 0.42 A 0.40 A 13 Tassajara Road /North Project Access 0.62 B 0.58 A 14 Tassajara Road /South Project Access 0.64 B 0.59 B Source: TJKM Transportation Consultants. "A Traffic Study for the Proposed Fallon Crossings Development" September 28, 2005 for Intersection ID 1 -12. Under the Buildout Conditions, operations at the two Project access intersections are expected to be acceptable. The intersections of Dougherty Road /Dublin Boulevard and Santa Rita Road /1 -580 Eastbound Ramps - Pimlico Drive are expected to operate unacceptably at LOS E during the PM peak hour, as described below. Cumulative Impact 1 The Dougherty Road /Dublin Boulevard intersection would operate at LOS E (V /C = 0.93) during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Mitigation Measure 1 Improvements at the Dublin Boulevard /Dougherty Road intersection are included in the Eastern Dublin Traffic Impact Fee (TIF) program. The Project is required to make its fair share payment of impact fees for these improvements. The Project developer shall advance to the City applicable monies for acquisition of right -of -way and construction of the improvements assumed in this study for the intersection of Dublin Boulevard /Dougherty Road. The amount of money advanced to the City shall be based on the developer's fair share of the deficit (spread over those Projects that are required to make up the deficit) between funds available to the City from Category 2 Eastern Dublin TIF funds and the estimated cost of acquiring the right -of -way and constructing the improvements. The City will provide credit for Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 29 ❑M❑ n -Hom Buildout Conditions M and d A ssocia�s, Inc. Category 2 Eastern Dublin TIF to the developer for any advance of monies made for the improvements planned for the Dublin Boulevard /Dougherty Road intersection. Additional improvements to improve the LOS at the Dougherty Road /Dublin Boulevard intersection to an acceptable level (LOS D or better) under Buildout Conditions would require adding a fourth northbound left -turn lane on Dougherty Road. Allowing four lanes of traffic to perform a left -turn movement simultaneously would raise major concerns regarding the safety of such an operation. Moreover, additional improvements to reduce traffic impacts at this intersection are not feasible given the physical constraints at the intersection. On a periodic basis, the City should monitor the operations of Dougherty Road /Dublin Boulevard, as well as other intersections at the 1 -580 interchanges, during the PM peak hour. Level of service analysis for this intersection should be updated as forecasted peak hour volumes become available. Therefore, the impact at the Dougherty Road /Dublin Boulevard intersection under Buildout Conditions remains a significant cumulative impact. Cumulative Impact 2 The Santa Rita /1 -580 Eastbound Ramps intersection would operate at LOS E (V /C = 0.95) during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Widening the eastbound off -ramp approach to include three left turn lanes, one through lane, and one free right turn lane at the intersection of Santa Rita Road /1 -580 Eastbound Off- Ramps - Pimlico Drive is expected to improve the intersection level of service to LOS D during the PM peak hour. Mitigation Measure 2 The Project developer shall contribute a pro -rata share of the cost to improve the intersection of Santa Rita Road /1 -580 Eastbound Off - Ramp - Pimlico Drive to include a third left -turn lane for the eastbound off -ramp approach at this intersection and other downstream improvements including modifications to the striping on the northbound lanes of the Tassajara Road /1 -580 overpass to accept traffic from the third left -turn lane and maintain three northbound through lanes at the Tassajara Road /1 -580 Westbound Ramps intersection. The current Eastern Dublin TIF program does not include this improvement; however, the program will be amended in 2006 to include this improvement. With this improvement, the impact at the Santa Rita /1 -580 Eastbound Ramps intersection under Buildout Conditions will be reduced to a less -than- significant level. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 30 ❑ =" Nmley -Hom [—] and Associates, Inc. 7 ROADWAY SEGMENT ANALYSIS Roadway Segment Analysis Roadway segment analysis was conducted to determine the number of through lanes that would be needed to have various roadway segments operate at acceptable levels of service for all study scenarios. Existing ADT and Buildout ADT were obtained from the Fallon Crossings report. In general, ADT volumes for existing and future scenarios were estimated by assuming that the PM peak hour volumes were equivalent to 10 percent of daily volumes. The daily trips from the proposed Project are based on the appropriate ITE daily trip rate. Table 6 presents the ADT on Tassajara Road (where the majority of the Project trips are expected to travel) under Existing, Baseline, Baseline Plus Project, and Buildout Conditions. Figure 9 also presents the same data in graphed format. Table 6: Roadway Segment ADT i ] } j ���st ilS��� � 93v dYi ( �Cf ''�, �*� Y"r ``�•4.�s � 3 i£Vq E yCf � '.�tyd�Ceh8T10 i �-✓:` '� )� f psy �i � ,i w "Sr y, S 45,�'"'�` C }�` ", � "gyp } (.^+. �}A[���� T•� .zv�5�yytk. d l� y Road�waVP Axe sv . Ti!'^ µ.t i } ! YA^`Yx Vf f•^ y f Ieaselihe -� Ex�Stmg u g us EN. gt,uafl t 1. Northbound Tassajara Road between Interstate -580 and Dublin 11,920 21,700 22,260 30,300 Boulevard 2. Tassajara Road between Dublin 18,260 33,900 34,880 48,800 Boulevard and Gleason Drive 3. Tassajara Road between Gleason 14,540 30,760 32,230 40,450 Drive and North Dublin Ranch Drive 4. Tassajara Road between North Dublin Ranch Drive and Northern 6,850 18,630 20,100 32,650 Access for Dublin Ranch West 5. Tassajara Road between Northern Access for Dublin Ranch West and 6,850 13,140 14,610 27,060 Fallon Road 6. Tassajara Road between Fallon 6,850 12,030 13,760 26,430 Road and County Limit Notes: ' From machine counts taken in May 2005. Recommended Off -Site Project Improvements 1. The projected ADT for the segment of Tassajara Road between Fallon Road and the County Limit is 13,760 vpd under Baseline Plus Project Conditions. This volume approaches the 15,000 vpd maximum threshold standard for two -lane roadways. Because the Casamira Valley Project is located directly adjacent to this roadway segment and will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening. 2. The projected ADT for the segment of Tassajara Road between Northern Access for Dublin Ranch West and Fallon Road is 14,610 vpd under Baseline Plus Project Conditions. This volume approaches the 15,000 vpd maximum threshold standard for two -lane roadways. The Fallon Crossings report recommended that the Fallon Crossings developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in the event that this Project is developed prior to the Fallon Crossings Project. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 31 EM" Kimley -Horn M and Associates, Inc. Roadway Segment Analysis 3. The projected ADT for the segment of Tassajara Road between North Dublin Ranch Drive and Northern Access for Dublin Ranch West is 18,630 vpd under Baseline Conditions and 20,100 vpd under Baseline Plus Project Conditions. These volumes exceed the 15,000 vpd maximum threshold standard for two -lane roadways. The Dublin Ranch West report recommended that the Dublin Ranch West developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in the event that this Project is developed prior to the Dublin Ranch West Project. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 32 z Z wQ y W p Q p t; d Q W W •O N Z Z Z Q d W c7 W W d / IAIRMAY BlVO N a; W L° 67 S l y W LL W LL ❑ K A INO I O •O I I � I E I o I I i I Q I O H : I M n N D i / W Ln 0 U 0° N O 1 T I °oo\ 1 i y O a 0 d LL9 M 1p M ao o r <J- \ Otl N011tlj T J O � N (O OD O N ib�w6'wl I C N Of W W N �I r N M 3 1 I Ol M M v w 15 NOw >O � � Q ^ •V/ /t to O oI �I >� Z E c W 00 r o�eYid's Q Oa tltlVNS5tl1 1 N A 0 e7 I[i Fv tIG� / M tlO Ntltld ^ p O O O = 0 O O O 1O a311uv h 0- O] (D r r N M M 7:\ ~ L LL (D rn rn E Q ff y r N N M N a N � G F C N � N N ❑ C O V � m a0 tlUN310YN � >%_j C U f6 1 _° d ob GloNav 'a LLJ ji Z- V •C' Q N O d O O O O >7 C K m Ow 0) t0 Q: v N C cp 4— Q m p M N f0 Z w t0 C rn N Q d N (J 9L)avW 30 y N C 16 C t0 t6 A d N C t6 f0 -C 7 10 C l6 d L N C z `W` M/ ~ 00 M� N N N C B N~ C N d ONOWAdOH U U Q r N M � IA tD W P/ E E E E E E adua3HOnoG _ a m m m m y rn (n U) m rn N Kimley -Hom Baseline Plus Project Alternative Conditions and Associates, Inc. 9 BASELINE PLUS PROJECT ALTERNATIVE ANALYSIS Developers of the Casamira Valley Residential Project submitted a request to the City of Dublin to study an alternative site plan and land use (the "Project alternative "). The Project alternative would include 326 attached townhomes to be built on the Project site. The City has requested that Kimley- Horn identify impacts to transportation and recommend Project improvements for the proposed Project alternative. 9.1 Introduction This scenario adds trips generated by the proposed Casamira Valley Project alternative to conditions in the Baseline Conditions presented in Chapter 4. 9.2 Project Trip Generation Trip Generation, 7m Edition, published by the Institute of Transportation Engineers (ITE), was used to estimate the number of trips generated by the proposed Project alternative. Summarized in Table 8, the Project alternative will generate 143 AM peak hour trips and 170 PM peak hour trips. By comparison, the original proposed Project will generate 141 AM peak hour trips and 189 PM peak hour trips. Table 8: Proposed Project Alternative Trip Generation ,� Sak � z - t, �s a r i:?' �'` 3 "' s'< aiiy�A,M ra. �' 3�& T� v .� Peakr#iour RC _ ! s � »�� s t .r �;rxr s x•a & a a P.NI Peal<Hour. : Residential Condominium/ 326 5.86 1,910 0.07 0.37 24 119 143 0.35 0.17 114 56 170 Townhouse Source: Trip Generation, Th Edition, by ITE (land Use Code 230) The proposed Project alternative is consistent with the General Plan and Eastern Dublin Specific Plan and is not expected to generate more AM or PM peak hour trips than anticipated in the City's General Plan; therefore, no additional traffic impact analysis of the Project alternative is required by the Alameda County Congestion Management Agency (ACCMA) to satisfy the Land Use Analysis Program of the Alameda County Congestion Management Program (CMP). 9.3 Project Trip Distribution and Assignment Trip distribution and assignment assumptions for the Project alternative are based on those presented in Chapter 5. Trip distribution and assignment assumptions used in Baseline Plus Project Alternative Conditions are shown in detail in Figure 10. Appendix C contains turning movement volumes under Baseline Plus Project Alternative Conditions for each study intersection. 9.4 Level of Service Analysis (Baseline Plus Project Alternative Conditions) Figure 11 shows the forecasted turning movement volumes at the study intersections under the Baseline Plus Project Alternative Conditions. Table 9 summarizes the results of the intersection level of service analysis. Detailed calculations are contained in Appendix F. The lane geometry and planned roadway improvements for this scenario would be the same as those described for Baseline Conditions. The lane geometry assumptions and intersection control at the study intersections are provided in Figure C1 of Appendix C. 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R n > W Cl L Z I k15166sJ 1 r It[I65� f r s c ca w (1691162'1 —y- k[11U1 � g r kB61tK'i —�- 2➢[111LC1 m 5 6 +• - � (Q � � U U m r Po 6. r R u W Z 6n Z LL CMFJ 111,y -1­10m Baseline Plus Project Alternative Conditions M and Associates, Inc. j Table 9: Intersection Levels of Service - Baseline Plus Project Alternative Conditions +''^'.'£�'"` § n ty­�Y .R {fi4_i i21 ti �q• h ti° ���t�b d "1 If y. }i} i{yxRV `�yi /L S� 4 �4Lt�ii tf �K fW£°� /�Ai} A CS3. RV% (^ya'Gu3�lr l 1 Dougherty Road /Dublin Boulevard 0.64 B 0.74 C 2 Hacienda Drive /1 -580 Eastbound Ramps 0.67 B 0.61 B 3 Hacienda Drive /1 -580 Westbound Ramps 0.61 B 0.50 A 4 Hacienda Drive /Dublin Boulevard 0.50 A 0.70 B 5 Santa Rita /1 -580 Eastbound Off -Ramp- Pimlico Drive 0.70 B 0.71 C 6 Tassajara Road /1 -580 Westbound Ramps 0.62 B 0.74 C 7 Tassajara Road /Dublin Boulevard 0.72 C 0.76 C 8 Tassajara Road /Fallon Road 0.68 B 0.49 A 9 Fallon Road /Dublin Boulevard 0.44 A 0.42 A 10 El Charro Road /1 -580 Eastbound Ramps 0.07 A 0.10 A 11 Fallon Road /1 -580 Westbound Ramps 0.22 A 0.37 A 12 Fallon Road /Street "E" 0.09 A 0.14 A 13 Tassajara Road /North Project Access 0.56 A 0.64 B 14 1 Tassajara Road /South Project Access 0.60 A 0.68 B Under the Baseline Plus Project Alternative Conditions, all study intersections are expected to operate at acceptable service levels. Traffic generated by the Project alternative results in very small changes to V/C ratios from Baseline Conditions and no changes in LOS at the study intersections. The Project alternative results in changes to V/C ratios of no greater than 0.01 when compared to results under Baseline Plus Project Conditions. No potentially significant impacts are identified for this scenario. 9.5 Recommended Off -Site Project Improvements Because intersection LOS results are nearly identical with the proposed Project and with the Project alternative, the same off -site improvements presented in Chapter 5 are recommended for the Baseline Plus Project Alternative Conditions. 9.6 Site Access, Parking, and Circulation From discussions with City staff, no specific site plan has been developed for the Project alternative. However, the two roads providing access to the site will remain the same, and no significant changes to the on -site circulation are expected; therefore, the same improvements to site access, parking, and circulation presented in Chapter 5 are recommended for the Baseline Plus Project Alternative Conditions. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 39 ❑1111111110 NiTgey -Hom Buildout With Project Alternative Conditions M and Associates, Inc. 10 BUILDOUT WITH PROJECT ALTERNATIVE CONDITIONS This scenario adds traffic from buildout Projects in Dublin, Pleasanton and Dougherty Valley, to the Baseline Plus Project Alternative Conditions. Buildout With Project Alternative Conditions are based on local general plans and expected to be in place in Year 2025. 10.1 Introduction City staff provided a list of buildout Projects as shown in Table C3 of Appendix C. All of these land uses are included in the new DTDM. The DTDM was used to forecast traffic volumes under Buildout Conditions (Year 2025), which included more conservative trip generation assumptions for the Moller property than the proposed Project alternative. 10.2 Buildout Roadway Improvements The same additional roadway improvements presented in Chapter 6 are assumed for the Buildout With Project Alternative Conditions. 10.3 Level of Service Analysis (Buildout With Project Alternative Conditions) The proposed Project alternative will generate 143 AM peak hour trips and 170 PM peak hour trips. By comparison, the original proposed Project will generate 141 AM peak hour trips and 189 PM peak hour trips. Because the Project alternative will generate nearly the same number of trips as the original proposed Project, the LOS analysis results presented in Chapter 6 are applicable to Buildout With Project Alternative Conditions. The proposed Project alternative is expected to have the same impacts to intersections as the original proposed Project; therefore, the mitigation measures discussed in Chapter 6 are recommended under Buildout With Project Alternative Conditions. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 40 ❑ ❑ IGmley -Horn and Associates, Inc. Roadway Segment Analysis With Project Alternative 11 ROADWAY SEGMENT ANALYSIS WITH PROJECT ALTERNATIVE Roadway segment analysis was conducted for Baseline Plus Project Alternative and Buildout With Project Alternative Conditions following the same methodology in Chapter 7. Table 10 presents the ADT on Tassajara Road (where the majority of the Project trips are expected to travel) under Existing, Baseline, Baseline Plus Project, and Buildout Conditions. Figure 12 also presents the same data in graphed format. Table 10: Roadwav Seqment ADT with Project Alternative Notes: From machine counts taken in May 2005. The Project alternative will add more vehicles onto each study roadway segment than the original proposed Project, based on the daily trip generation rates. Recommended Off -Site Project Improvements Because the Project alternative will not result in a significant change in ADT from the original proposed Project, the same off -site improvements presented in Chapter 7 are recommended for the Project alternative scenario. Casamira Malley Residential Development July 17, 2006 Final Traffic Report Page 41 MAP! �sy�� Ex�s rxg ase9tnet,.. A`'a M :AlYerftafive:; I. Northbound Tassajara Road between Interstate -580 and Dublin 11,920 21,700 22,290 30,330 Boulevard 2. Tassajara Road between Dublin 18,260 33,900 34,940 48,860 Boulevard and Gleason Drive 3. Tassajara Road between Gleason 14,540 30,760 32,310 40,530 Drive and North Dublin Ranch Drive 4. Tassajara Road between North Dublin Ranch Drive and Northern 6,850' 18,630 20,180 32,730 Access for Dublin Ranch West 5. Tassajara Road between Northern Access for Dublin Ranch West and 6,850 13,140 14,690 27,140 Fallon Road 6. Tassajara Road between Fallon 6,850 12,030 13,860 26,530 Road and County Limit Notes: From machine counts taken in May 2005. The Project alternative will add more vehicles onto each study roadway segment than the original proposed Project, based on the daily trip generation rates. Recommended Off -Site Project Improvements Because the Project alternative will not result in a significant change in ADT from the original proposed Project, the same off -site improvements presented in Chapter 7 are recommended for the Project alternative scenario. Casamira Malley Residential Development July 17, 2006 Final Traffic Report Page 41 Z j Z W U 0 A a W Q' Q O C. a Q o N Q N Q d Z Z d z O () O ca P1RP'PY BLVD N L" Wt-�F� a --' y = N = i + ad u3n Z X � X F- 000 W LL C C r✓ y W LL I ¢ C C " I N N N � O w I m m m' I C E I o I I w I � I I � O c 1 Ln 6 N LU m T I LL � „ p\ I tZ a LLI y M M \\ 1Gtl N011V3 a .�.. IA <O W O W 11'l Qtl w Q N N O O O O N N T �/ls 1�NbOOI I o N Obi W fn E U <D aD N _ r W I\ N 15 bJ33M co / T Z 11S O �\ ; N013ba0 j Q </ Otl WVfY55v1 1m �p ��i�br tQ CD ❑ ,, µfSpSBN� O N`- L�GNME / M tp Nbtld e Y O �'� N CO r tO r f�O_ l'7 �O 10 b3TIW \ ` L U IL tD M N M M Q\ ~ L LL LL ff t r N N M y O LL � O H O � V mtlON3nVH Vl N '1� V L rc c O C7 Z LL C � d Q N U1 O N C N j Cl v 3 p 2 m 3 L B`ni m 3 ^- oa G,oNbv .Q C3: N w LL D E W Q r^ o� o= o�= m lJ p Of W O a mE x m` 0 (I w Z p SnOaYW 30 N C C �a N W C N C fG l0 c O l0 l6 N t N C z 5 C N R Ob OtlYAdOH U U C(1. LLl N tG � N t L O N z- CO I-o t-O� ° t- zW Ir' N T C C C C C C E E E E E E Oa.ua3N'Jno0 I d m N /� A � W Nw 0 Cl) !A 0) U) to (n LL Krnley -Horn Freeway Analysis with Project Alternative ❑� and Associ&s, Inc. y y 12 FREEWAY ANALYSIS WITH PROJECT ALTERNATIVE Freeway segment analysis was conducted with the Project alternative following the same methodology in Chapter 8. Table 11 summarizes the forecasted volumes and expected levels of service for two scenarios in 2030: without the Project alternative and with the Project alternative. Table 11: Su mary of Project Alternative Freeway Anal sis ,,�r�ewaySegmen£� Capacifya k- S'eai 203D wa : U X a3"�SY+ � .AM�'�eak ��' '�k�U hou Pr t o g 5*1�' 'Z i ��PM4Peakx °t R3+° Y .Ytiti .g r£ Year 030;wttl��Prbfet t Attematrve ", K�. - 0'.v�% Y u �� �MrPea�,;��� PMPeak� ` rO ` Voh���zLOS 1-580,1-680 to Dougherty Road /Hopyard Road Eastbound 9,200 6,608 D 6,776 D 6,617 D 6,803 D Westbound 11,500 1 7,861 D 8,427 D 7,888 D 8,443 D 1 -580, Dougherty Road /Hopyard Road to Hacienda Drive Eastbound 14,800 11,423 D 11,181 D 11,432 D 11,208 D Westbound 10,200 1 10,513 F 10,780 F 10,540 F 10,796 F 1 -580, Hacienda Drive to Tassajara Road /Santa Rita Road Eastbound 1 11,500 1 9,501 1 D 11,490 F 9,510 D 11,517 F Westbound 10,200 11,324 F 10,420 F 11,351 F 10,436 F 1 -580, Tassajara Road /Santa Rita Road to Fallon Road/El Charro Road Eastbound 10,200 8,323 D 10,252 F 8,337 D 10,260 F Westbound 10,200 1 8,953 D 8,102 D 8,957 D 8,115 D 1 -580, Fallon Road to Airway Boulevard Eastbound 10,200 7,979 D 10,588 F 7,994 D 10,597 F Westbound 10,200 8,698 D 7,778 D 8,703 D 7,795 D 1 -680, Alcosta Boulevard to 1 -580 Northbound 1 9,200 6,504 D 7,774 D 6,509 D 7,787 D Southbound 1 9,200 9,250 F 8,927 E 9,257 F 8,931 E 1-680,1-580 to Stoneridge Drive Northbound 6,900 6,007 D 6,971 F 6,009 D 6,975 F Southbound 7,900 1 7,370 1 E 6,958 E 7,374 E 6,959 E Source: 2000 Highway Capacity Manual, Chapter 23, Exhibit23.2, LOS Criteria for Basic Freeway Segments Maximum Service Flow Rate for freeway segments =2,300 vehicles /hr /lane, aux.= Auxiliary Lane If number of lanes on freeway segment= N +aux., capacity of segment= (N`2300 +1000) vehicles /hr Traffic from development in Eastern Dublin was identified as a significant unavoidable cumulative impact on Interstate -580 in the Eastern Dublin EIR (Impacts 3.3/E and 3.3/13). Even without the proposed Project alternative, the study mainline segments along 1 -580 and 1 -680 in the vicinity of the Project site would operate unacceptably under Year 2030 conditions. The addition of the alternative Project trips to these freeway segments would be considered a significant unavoidable cumulative impact. The alternative Project is required to pay for its proportionate share of impacts to 1 -580 and 1 -680, by payment of TVTD Fees to construct planned freeway improvements, including HOV lanes, auxiliary lanes, and interchange improvements. The alternative Project will also pay for its proportionate share toward public transportation improvements to help reduce traffic on the freeways and other roadways in the Tri- Valley Area, by payment of the TVTD Fee; two of the improvements to be funded by the Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 43 Kimley -Hom Freeway Analysis with Project Alternative ❑ and Associates, Inc. i y TVTD Fees are the West Dublin BART Station and the Express Bus Service from Livermore to the East Dublin BART station. The alternative Project's contribution of additional traffic to local freeways would be consistent with what was originally analyzed in the Eastern Dublin EIR, since the number of trips that would be generated from the proposed development is consistent with the approved General Plan and Eastern Dublin Specific Plan. No additional impact beyond the analyses of the Eastern Dublin EIR or subsequent supplemental EIRs is identified. Casamfra Valley Residential Development July 17, 2006 Final Traffic Report Page 44 Kimley -Horn ❑ and Associates, Inc. 13 CONCLUSIONS Conclusions The following points summarize the traffic impacts outlined above resulting from the proposed Casamira Valley development: • The proposed Project is expected to generate 141 AM peak -hour trips and 189 PM peak -hour trips. • Because the Project is consistent with the City of Dublin General Plan, it is not expected to generate more AM or PM peak hour trips than the City's General Plan. As a result, no additional traffic impact analysis of the Project is required by the Alameda County Congestion Management Agency (ACCMA) to satisfy the Land Use Analysis Program of the Alameda County Congestion Management Program (CMP). • Currently, all existing study intersections operate at acceptable levels of service. • All study intersections are expected to continue to operate acceptably under Baseline Conditions. • All study intersections are expected to operate acceptably under Baseline Plus Project Conditions. • Under Buildout Conditions, the intersections of Dougherty Road /Dublin Boulevard and Santa Rita Road /1 -580 Eastbound Off -Ramp are expected to operate unacceptably during the PM peak hour, as described below. • The proposed Project alternative is expected to generate 143 AM peak -hour trips and 170 PM peak -hour trips. The Project alternative is expected to have the same impacts to intersections, roadway segments, and freeway segments as the original proposed Project. No additional traffic impact analysis of the Project alternative is required by ACCMA. Cumulative Impacts and Mitigations Required mitigation measures for Buildout and Buildout With Project Alternative Conditions, as included in the Fallon Crossings report, are described below. All references to the "Project" include the original proposed Project and the Project alternative. No additional mitigations are required as part of the analysis for the Casamira Valley Project. The Dougherty Road /Dublin Boulevard intersection would operate at LOS E (V /C = 0.93) during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Mitigation Measure 1. Improvements at the Dublin Boulevard /Dougherty Road intersection are included in the Eastern Dublin Traffic Impact Fee (TIF) program. The Project is required to make its fair share payment of impact fees for these improvements. The Project developer shall advance to the City applicable monies for acquisition of right -of -way and construction of the improvements assumed in this study for the intersection of Dublin Boulevard /Dougherty Road. The amount of money advanced to the City shall be based on the developer's fair share of the deficit (spread over those Projects that are required to make up the deficit) between funds available to the City from Category 2 Eastern Dublin TIF funds and the estimated cost of acquiring the Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 45 ❑= ❑ Kimley -Hom M and Associates, Inc. Conclusions right -of -way and constructing the improvements. The City will provide credit for Category 2 Eastern Dublin TIF to the developer for any advance of monies made for the improvements planned for the Dublin Boulevard /Dougherty Road intersection. Additional improvements to improve the LOS at the Dougherty Road /Dublin Boulevard intersection to an acceptable level (LOS D or better) under Buildout Conditions would require adding a fourth northbound left turn lane on Dougherty Road. Allowing four lanes of traffic to perform a left turn movement simultaneously would raise major concerns regarding the safety of such an operation. Moreover, additional improvements to reduce traffic impacts at this intersection are not feasible given the physical constraints at the intersection. On a periodic basis, the City should monitor the operations of Dougherty Road /Dublin Boulevard, as well as other intersections at the 1 -580 interchanges, during the PM peak hour. Level of service analysis for this intersection should be updated as forecasted peak hour volumes become available. Therefore, the impact at the Dougherty Road /Dublin Boulevard intersection under Buildout Conditions remains a significant cumulative impact. 2. The Santa Rita /1 -580 Eastbound Ramps intersection would operate at LOS E (V /C = 0.95) during the PM peak hour under Buildout Conditions (including the Project). This LOS represents a significant cumulative impact. Adding a third left turn lane for the eastbound off -ramp approach at the intersection of Santa Rita Road /1 -580 Eastbound Ramps is expected to improve the intersection level of service to LOS D during the PM peak hour under Buildout Conditions. Mitigation Measure 2. The Project developer shall contribute a pro -rata share of the cost to improve the intersection of Santa Rita Road /1 -580 Eastbound Off - Ramp - Pimlico Drive to include a third left -turn lane for the eastbound off -ramp approach at this intersection and other downstream improvements including modifications to the striping on the northbound lanes of the Tassajara Road /1 -580 overpass to accept traffic from the third left -turn lane and maintain three northbound through lanes at the Tassajara Road /1 -580 Westbound Ramps intersection. The current Eastern Dublin TIF program does not include this improvement; however, the program will be amended in 2006 to include this improvement. With this improvement, the impact at the Santa Rita /1 -580 Eastbound Ramps intersection under Buildout Conditions will be reduced to a less- than - significant level. 3. With the proposed Project traffic added to Year 2030 No Project mainline freeway volumes, projected LOS on 1 -580 and 1 -680 would remain unchanged. However, with a projected LOS F on various segments of 1 -580 and 1 -680, Project trips would be adding to an already deficient condition. These specific segments would not meet the ACCMA monitoring standard of LOS E during the AM or PM peak hour. This is considered a significant cumulative impact. Although efficiency improvements (such as HOV Lanes) and expanded public transportation could be added in the 1 -580 corridor, little or no additional freeway capacity for single - occupant vehicles is planned. Actions to encourage alternative travel modes include advocating HOV lanes on 1 -580, extending BART to Livermore, implementing the 1 -580 Smart Corridor approach (including adaptive signal timing, transit priority systems, incident management, and ramp metering), and supporting other major investments in transit. In addition, the City of Dublin plans to construct the Dublin Boulevard extension to North Canyons Parkway in Livermore as a six -lane parallel arterial that will provide additional lane capacity along the 1 -580 corridor. Cosamira Valley Residential Development July 17, 2006 Final Traffic Report Page 46 Kimley -Horn M and Associates, Inc. Conclusions Mitigation Measure 3. The Project is required to pay the Tri- Valley Transportation Development (TVTD) Fee for its proportionate share of 1 -580 and 1-680 improvements, including HOV lanes, auxiliary lanes, and interchange improvements. The Project will also pay its proportionate share toward public transportation improvements (e.g., West Dublin BART Station and Express Bus Service from Livermore to East Dublin BART Station) by payment of the TVTD Fee. Even though the above improvements will ameliorate traffic conditions on 1 -580 and 1-680 in the Tri - Valley, they will not mitigate the contribution of projected traffic demand from the Project on these freeways to a less- than - significant level. Therefore, the impact on the freeway system of 1 -580 and 1 -680 in the Project area remains a significant, unavoidable cumulative impact, and no additional impact beyond the analyses of the Eastern Dublin EIR or subsequent supplemental EIRs is identified. Recommended Project Improvements The following sections present measures that are not required as CEQA mitigations, but will improve the Project's circulation and access and assure compliance with applicable City design and operation standards and policies. Off -Site Project Improvements 1. Based on traffic safety considerations, traffic signals should be installed to control traffic at the two intersections providing access to and from the Project site. 2. Under Baseline Plus Project Conditions, for each northbound approach to intersections of Tassajara Road /North Project Access Street and Tassajara Road /South Project Access Street, one through lane and one exclusive 150 -foot right -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. For each southbound approach, one through lane and an exclusive 150 -foot left -turn lane with a 90 -foot taper should be provided for Project traffic entering the site. Each westbound approach should have an exclusive left - turn lane and an exclusive 150 -foot right -turn lane with a 90 -foot taper for Project traffic exiting the site. Each intersection should be controlled with a protected southbound left -turn phase. 3. The traffic signals at the two Project access intersections should be coordinated to optimize traffic flow in the Project area. If possible, these intersections should be coordinated with the future intersection of Tassajara Road /Fallon Road. 4. According to the site plan, the two Project access intersections are approximately 625 feet apart, shorter than the minimum 750 -foot spacing between signalized intersections desired by the City. The proposed spacing of these intersections should be increased closer to 750 feet if topographical restrictions permit. 5. The projected average daily traffic (ADT) for the segment of Tassajara Road between Fallon Road and the County Limit is 13,760 vehicles per day (vpd) and 13,860 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes approach the 15,000 vpd maximum threshold standard for two -lane roadways. Because the Casamira Valley Project is directly adjacent to this roadway segment and will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 47 ❑ ❑ Kimley -Horn and Associates, Inc. Conclusions 6. The projected ADT for the segment of Tassajara Road between Northern Access for Dublin Ranch West and Fallon Road is 14,610 vpd and 14,690 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes approach the 15,000 vpd maximum threshold standard for two -lane roadways. The Fallon Crossings report recommended that the Fallon Crossings developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in the event that this Project or Project Alternative is developed prior to the Fallon Crossings Project.. 7. The projected ADT for the segment of Tassajara Road between North Dublin Ranch Drive and Northern Access for Dublin Ranch West is 18,630 vpd under Baseline Conditions. The projected ADT is 20,100 vpd and 20,180 vpd under Baseline Plus Project Conditions and Baseline Plus Project Alternative Conditions, respectively. These volumes exceed the 15,000 vpd maximum threshold standard for two -lane roadways. The Dublin Ranch West report recommended that the Dublin Ranch West developers widen this roadway segment from two lanes to four lanes. Because the Casamira Valley Project will contribute to the projected ADT on this segment, the Casamira Valley Project should construct this widening in the event that this Project or Project Alternative is developed prior to the Dublin Ranch West Project. On -Site Project Improvements 1. If bicycle lanes are placed on streets, chokers should be designed to allow bicyclists to pass unencumbered. Signage reading "Driveways Ahead" may be posted in advance of houses to alert drivers of driveways to serve as another means to help reduce vehicle speeds and increase safety. 2. If speeding is observed along the Project access roads, additional traffic calming measures to the chokers could help maintain appropriate speeds. Narrowing the travel lanes to 11 feet could help reduce travel speeds. 3. Seventeen homes (Lots 1 -17) will front North Project Access Street before the first connector street between North Project Access Street and South Project Access Street. Seven homes (Lots 18 -24) will front South Project Access Street before this first connector street. These homes will be situated on horizontal and vertical curves that may reduce stopping sight distance to driveways. Minimum sight distances and other roadway geometry issues should be provided based on the City's design standards and verified during the review process. 4. The minimum distance between all driveways should be 20 feet to allow for one parking space. The annexation request for the proposed Project includes the Moller property and additional property adjacent to the west (Tipper and Vargas properties). The Dublin Travel Demand Model used to estimate traffic conditions in the study area under Year 2025 Buildout Conditions included trips generated by the Tipper and Vargas properties in accordance with the City of Dublin General Plan. As such, traffic impacts associated with the annexation Project included future development of all three properties that will be subject to the annexation (Moller, Tipper, and Vargas properties). Therefore, no additional traffic impacts or mitigations are required for the annexation Project beyond those described in this study for the Casamira Valley Project. Casamira Valley Residential Development July 17, 2006 Final Traffic Report Page 48 Mmley -Hom and Associates, Inc. APPENDIX A - LEVEL OF SERVICE METHODOLOGY SOURCE: TJKM TRANSPORTATION CONSULTANTS. "A TRAFFIC STUDY FOR THE PROPOSED FALLON CROSSINGS DEVELOPMENT." SEPTEMBER 28, 2005. DESCRIPTION OF INTERSECTION CAPACITY ANALYSIS CCTA SIGNALIZED METHODOLOGY B.ackwound The CCTA intersection capacity. analysis methodology is described in.detail in.the Technical procedures Manual of the CCTA, January, 1991. It is identical to the Circular 212 Planning methodology except that the lane capacity has been increased from 1500 vph to between 1650 to 1800 vph based on saturation flow measurements taken at four intersections in Contra Costa County. (See following Table 9 from the Technical Procedures Manual) On average, saturation flow rates for left -tum lanes were over ten percent lower than for through lanes. However, insufficient data was collected to provide statistical accuracy for the averages. Thus, saturation flow rates for through lanes are equal to those for turn lanes. This methodology determines the critical movement for each phase of traffic. It then sums the critical volume -to- capacity ratio by phase to determine the intersection volume -to- capacity ratio. Circular 212, on the other hand, sums the critical movement volumes themselves and compares them to the total capacity of the intersection to determine, in effect, the volume -to- capacity ratio of the intersection as a whole. Level of Service The volume -to- capacity ratio is related to level of service (LOS). The following level of service for Signalized Intersections depicts the relationship between the volume =to- capacity ratio and level of service. An intersection operating at capacity would operate_ at LOS E. Level of Service F is not possible for existing conditions, but can be forecasted for future conditions when volume projections exceed existing capacities. input Data The intersection capacity work sheets use a code to identify different lane configurations. This nomenclature is described on the following Description of Lane Configurations. Right turn on red adjustments are accounted for as well as unequal distribution of turn volumes in double tam lanes. For more information, see Circular 212 and the CCTA Technical Procedures Manual. LEVEL OF SERVICE RANGES LOS VOLUME TO CAPACITY RATIO MAXIMUM SUM OF CRITICAL VOLUMES 2 -Phase • 3 -Phase 4+ -Phase A 90.60 1,080 1,030 990 B 0.61-0.70 1,260 1,200 1,160 C 0.71-0.80 1,440 1,380 1,320 D 0.81-0.90 1,620 1,550 1,490 E 0.91-1.00 1 1,800 1,720 1,650 F ---- - - - - -- -Not Applicable------ - - - - -- source: Contra Costa County Growth Management Program, Technical Procedures, Table 9. ' cctavc.app DESCRIPTION OF LANE CONFIGURATION FORMAT The number -of lanes and the use of the lanes is denoted with a special nomenclature described below:' • i Lane Nomenclature X.Y Where X Denotes the total number of lanes available fora particular movement. Y Denotes how the lanes are used i When Y is ... ... The following applles: �t 0 .— too r . A lane used exclusively for a particular movement (i.e, exclusive left-turn lane), 12 L i I, ' A lane which is shared, that is, either of two different movements can be made 1 - u T from a particular lane (i e. a lane which is shared by through and right-turn L IlA H 11 R Denotes two or more through lanes in which two lanes are shared, one with 2 u i, left -turn traffic, the other with right -tam traffic. 3 Denotes an expressway through movement. �i 4 "— - IAi r Denotes a right -turn movement from a wide outside lane where right -turn lA L vehicles can bypass through traffic sharing the lane to make a right -turn on red. 5 F_ u r Denotes a right -turn movement from an exclusive right-turn lane with a I. IA L right -turn arrow and prohibition on the conflicting U -turn movement. IA i a right -turn movement from a shared lane with a right -turn arrow and Denotes s '-- IA L prohibition on the conficitng U -tam movement. I' Denotes a turning movement which has a separate lane to turn into, as shown 7;8,9 _ below: It't I � i, R Turn lane which is shared with a through lane or left -turn lane and under signal 7 al T control, and which has its own lane to turn into. There must be at least two It;t IL L through lanes. It,t.t Exclusive turn lane which is under signal control, and which has its own lane 8 ,— 2G T 1A L to turn in {{ II't t; t �-- Exclusive turn lane not under signal control and which has an exclusive lane to - turn into, often referred to as a "free" turn. Since the volumes in this lane do not _ 2.0 T 9 '- ttt.t conflict with other intersection movements, the V/C ratio of the free right -tum lA L movement is not included in the sum of critical V/C ratios. f i , , 1 a t l PART A. TWO -WAY STOP - CONTROLLED INTERSECTIONS - I. INTRODUCTION - PART A r In this section a methodology for analyzing capacity and level of service of two -way stop- controlled (TWSC) intersections is presented. f r II. METHODOLOGY,- PART A Capacity analysis at TWSC intersections depends on a clear description and Both theoretical and empirical approaches have been used understanding of the interaction of drivers on the minor or stop - controlled approach with to arrive at a rnethodology drivers on the major street. Both gap acceptance and empirical models have been l developed to describe this interaction. Procedures described in this chapter rely on a gap acceptance model developed and refined- in Germany (1). The concepts from this model are described in Chapter 10. Exhibit 17 -1 illustrates input to and the basic computation order of the method described in this chapter. LEVEL -OF- SERVICE CRITERIA Level of service (LOS) for a TWSC intersection is determined by the computed or LOS is not defined for the overall intersection measured control delay and is defined for each minor movement. LOS is not defined for the intersection as a whole. LOS criteria are given in Exhibit 17 -2. i Highway Capacity Manual 2000 The LOS criteria for TWSC intersections are somewhat different from the criteria LOS thresholds differ from those for signalized used in Chapter 1'6 for signalized intersections primarily because different transportation. intersections to reflect facilities create different driver perceptions. The expectation is that a signalized different driver expectations intersection is designed to carry higher traffic volumes and experience greater delay than an unsignalized intersection. 4 t 1 f J J • 'Lj Highway Capacity Manual 2000 EXHIBIT 17 -1. TWSC UNSIGNALIZED INTERSECTION METHODOLOGY Input - Geometric data - Hourly turrdng movement volumes - Heavyvehicle percentages - Pedestrian data - Upstream signal data - Compute flow rate - Identify conflicting traffic flow Compute gap times - Critical gap times - Follow -up times Compute potential capacity Adjust potential capacity and compute movement capacity - Impedance effects - Shared -lane operation Effects of upstream signals - Two-stage gap acceptance process - Flared minor- street approaches Compute queue lengths Compute control delays Determine levels of service EXHIBIT 17 -2. LEVEL -OF- SERVICE CRITERIA FOR TWSC INTERSECTIONS Level of Service Average Control Delay (s/veh) A 0-10 B > 10-15 C > 15-25 D > 25-35 E > 35-50 F > 50 Chapter 17 - Unsignalized Intersections 17 -2 Methodology - TWSC Intersections z ❑Kiday -Hom and Associates, Inc. APPENDIX B - LEVEL OF SERVICE WORKSHEETS: EXISTING CONDITIONS SOURCE: TJKM TRANSPORTATION CONSULTANTS. 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Nf�.- 1 MGM 1 r II C I y II ULL <0 1 Z..£ � 'CO m .w- 7P 1 P•O 11 1 ] 1 1 •O 11 O W I M .- M I M M •- .'+ O x0 >i i i i 11SO1 r 1 1 r 11 0 un r r 1 1 II CWL, ily .. i K .•..+ i K �+^ i K� I� > W r 1 vf- r vM-J 1 vl-J 1 vJ N I W I f IY I H 1= Q W E 1.x7 1 xOr 1 x01- 1 S1- 11-t- [ 1 f7K }.1 f7KLL 1 OD:LL 1 (DLL I OZ W 1 x W 1 KI-F 1 K/-J 1 0'1-J 10'J I 1 m I m i to I m II 1 r Z l y r W 1 3 II 1 a a U O J a O U C > O G 1- = w 11 0 > 0 O O 2 Q 111 - k IN r° I W 2 W C H N 1 , , ' r 1 ' 1 , 1 , , ' I 1 1 , , ' , 1 h•1 1 , , 0 1 c 1 , , 1 U� 1 b00 : Pe•- : Ns ry O >�Q 1 MN : N•- : �� : cc; : O p: C;,; ' r 1 , 1 , 1 , , H ' 1 1 <,007g aa , M M I ' 1 I1 , , ' 1 1 1 S : O nl'- : A 1h1p� : Mc0 -C ; MP :gt 1 I , I : , 1 , J : 1 1 ZS: cli Ah -: mA in �1 ' 10 •G • N.3 C7 J, N C0 I M P, M , r 1 1 1 1 1 ' , 1 � ' F Kh W 1 , R'J 1 = 1 m ' N ' 11 Io 0 O�F � N a0 a- 6 i O �W I ! W 11 Q H u a ll S N O J 1 If 0. I q dw k �a I � X 1- W I.- JJ 1x9 > ti K r 0 PUZ r 1- N .�. 3W Q F11- � ti If : M Q i, ,:>,: tv ° I, , 1 0 0 C;0 0 0 I ' is m It 1a I� 1 I U:IOU. Q 1 W•O 1 m�T 1 NN 1 Pn It w a Nh' pcpp 1 Faa- U +1 > Ip : mu, t 6' I W 7 J 1 A I ; M If1 !- W If I-N IOO4 NULL ,... J , a 09O11 K.N. 11 w 1 P- X N00 , >IIW PA 11 OW MO II 1 -J11xp O 0 II w z H H 1 vF I vh I vJ W LLf.7 O U O W H CL'F 1 KH 1 1'J 1 , i p•9 W it to ' 0 ' N 1 � w 1 1I i� w I' .W.1 I d ' co O .A 1 '.N M 1 a 1 W N 1 1 1 i 11 0 I w o ; U i N O N d 0 pp ; a l I I HO N 1'0 PA f F 1 \ CI ' w a+ M. -- -: O W r: N 0 O O r-p �M O. IC L : FP �' N< COS M O: y" V C I U n F v V J , Y C 11 •O : ° 0 O ~ O O p n W L If Z 1 1pN1 0 1 1 1 1 1 W O I W p : W: N W XE , Q I H W f.7 � S 0 +' N O I I I J Q > i11 t \II 1 ••�' '^y ' 11 zm ii IC :2 WO°O 1 0 a i; In N C7 , 1 ii �wxG: x it 1 Y I of J It 1 v 1 0 it W 1/1 1 Z 'n O O O 1 N O N V If W W ! fa 09 O I A n W G P r S t II , LL , W a W 11 •-. I �.� 1 L �N LO ='0 O O. 1� LL N< 1 a+ W : O 1 E F 1 01 N : N II U 11 'a 1 y ''- = O, V v V J gggY 11 11.F 1 {- II 11 C1 •O : O O O ~'1 11 N II : C O 11 O O F- 11 11 N II ; it n call 11 If ` ll W W 0 : ' i li o t Nl�lly2: -: 1 w I uj 17 IN r° I W 2 W C H N 1 , , ' r 1 ' 1 , 1 , , ' I 1 1 , , ' , 1 h•1 1 , , 0 1 c 1 , , 1 U� 1 b00 : Pe•- : Ns ry O >�Q 1 MN : N•- : �� : cc; : O p: C;,; ' r 1 , 1 , 1 , , H ' 1 1 <,007g aa , M M I ' 1 I1 , , ' 1 1 1 S : O nl'- : A 1h1p� : Mc0 -C ; MP :gt 1 I , I : , 1 , J : 1 1 ZS: cli Ah -: mA in �1 ' 10 •G • N.3 C7 J, N C0 I M P, M , r 1 1 1 1 1 ' , 1 � ' F Kh W 1 , R'J 1 = 1 m ' N ' 11 Io 0 O�F � N a0 a- 6 i O �W I ! W 11 Q H u a ll S N O J 1 If 0. I q dw k �a I � X 1- W I.- JJ 1x9 > ti K r 0 PUZ r 1- N .�. 3W Q F11- � ti If : M Q i, ,:>,: tv ° I, , 1 0 0 C;0 0 0 I ' is m It 1a I� 1 I U:IOU. Q 1 W•O 1 m�T 1 NN 1 Pn It w a Nh' pcpp 1 Faa- U +1 > Ip : mu, t 6' I W 7 J 1 A I ; M If1 !- W If I-N IOO4 NULL ,... J , a 09O11 K.N. 11 w 1 P- X N00 , >IIW PA 11 OW MO II 1 -J11xp O 0 II w z H H 1 vF I vh I vJ W LLf.7 O U O W H CL'F 1 KH 1 1'J 1 , i p•9 W it to ' 0 ' N 1 � w IF i J Vl O J r- � I L I a N WI ~ I .. I Q Z 1- W W K I N 1 J ' Y, O;I11 16 . NI. fA O;I N gWg 'O C� r C ; II bw KS W Q E W .� II' 43 3 L ti O O 100 N O N 7OL 1 I O m y 0 N L !I UYN J j LL II x0. O 13. II ^1^ v v n 1 II . ZS •- I 1 1 J a v d s < v 11 11 i 1 r EL cn I I 1 2 ' � a ii '� 1 ^ It O .• O 1 W 1 J.p - I a- W 2 r 1� N N I�1- w j O < -PK IK00� >� LLO N •O S 41.1 r! Q any _ ; ; °• -OI- {, m 1x0 1 N O v 1 M {nLL v LU . -PM V V J C�1 KI-.I Km N .< -000: FI O 1 oil of N In st t t I I W CC) p] I] h y; I S 10 V q (J i1 N r K ° IE F I N I I I1 H 7 t O to lY 1 C '..•II U; J N N II L) L) ; 1x- C 3 � I L I a N WI ~ I .. I Q Z 1- W W K I N 1 1 1 1 1 1 1 1 1 1 I 1 1 1 1 1 1 1 1 1 f� U; O ; M i m; 1fi v 6 F> i N ; O 1 1 1 1 1 1 1 1 1 1 1 1 r 1 1 1 O I OM1P 1 0.00 1 OMO -j U .•. 1 OOU1 t OMM 1 M � I MM•� l >� r ON'- 1 000 1 •-O� 1 0000 LL' ; 0 0 0; 000 0 0 o1 ; o 0 o o 1 1 1 1 1 r 1 u 1 m00 . 0 In 1 000 1 to OlnO �I Q I .pMM . oMO 1 .O M.OM t O. ; •- �T M•O." r MMM r �M �M J 1 1 1 i o W li 14F{ -I1 gW ; Ov•O ; Opp 1n 1 POpf i 1n v1M0 6 ~6•/ -.i1 N3 1 Put 1 af) 1 OPM 1 .T�In I d'> .p.f M In I Y W . 1 1 I aol 2f ; N,t•O I N•Om 1 hod . N1nM � > O. vPU1 1 0 1 O W O:J J 1 .O K > C1 1 1- 1 WF-J . vFJ 1 v1-J 1 vF-J 1 N Z I VV 1 vv 1 vv 1 vv 1 JO: •E I SOH t 571- I S��•• I S�F••' 1 HF 1 S W . .•+S W r .+xW 1 xW 1 H.+ 1 /Y 1-J . a'1-J 1 KHJ Z ; In ; W C «Q. i.i O J a W U a' O H K X W t7 � C, LU Z p� Q F .Z-. I 1 1 1 1 11 1� 1 1 1 1 1 m ; N II 1n411 I U O. •p . P 1 m 1 e- I M II 1 0 If O 111 O; OM1e�N. 1 O0t..pp 1 h h l OhODN ;1 II > 1 Oh.O 1 OPM . NODV 1 MN.-.t 11 I v�To 1 0E;G 1 O. -Or- > 4 . O.-O 1 000 1 00.-0 5; 4- Y '- ;oor ;000;000;0000i H 5 u I IRoo 1 ooln . 000 . Inolno jl 1 Q I :2 ton, 1 O.O.O 1. O.N10 1 .OM•OM 1 11 N a �M t i M•O� MMM �M.-M II II O. ; ; ; ; ii' o •• it li w w l I 1 1 F .Ohm 1 0.O .0 1 WNd . ut Nmh 1 U N- 1 ION 1 Nm I •O�t 1 1.D1 I > 1 8 �O; MM; �-P Q J 11 X 2 S ; tO ; � ,O cf ; A N .° ; In N O If � > 11 F- w .+ ] 1 P OJ N i .t W .t •O II ow II F J O J 1 M M r- a- 11 F- J tl x 0 C> 1 . 1 1 II W Z 11 0 I fo n irr Y 7 + 1 Z 1 1 1 1 I J F ve••'• 1 /•� 1 /� 1 /. 1 I1 O U O J N Z Z I vv 1 vv I vv r vv IV O•-• w 1 I- 1 1- 1 1- 1 r Q w I w 1- E 121-• 1 S�F 1 S�1- 1 S�F 1-F I 1-N {{t 1 1J t):LL 1 19SLL 1 mG:LL 1 mOCLL } OZ 1 Nr••r > 1 w•IxW 1 M'r.W 1 Mxw 1 r•xw 1 -� �X m itII m co In I Z . N I W 1 2 II 11 # . J N O;I11 16 fA O;I N gWg 'O �- M C ; II =m KS Q W 3 I O m y 0 N L LL II x0. O W ~ J II . ZS v d 11 11 i 1 r EL cn I I 1 2 N w Y 11 •C [a l0 A Q any ; °• o^ m,1- ;�•o N . -PM J C�1 KI-.I Km - >O .< -000: FI O 11 N In r L ; HP II N . IL (J i1 N r K F I O O to lY 1 C '..•II II h ; N N N NI ; W I I I 1 o ;OI It cli fl- 1 O II I'-,1 w 1 F- I N 1 ILI Cx7 Z }N w S 1 1 1 1 1 1 1 1 1 1 1 I 1 1 1 1 1 1 1 1 1 f� U; O ; M i m; 1fi v 6 F> i N ; O 1 1 1 1 1 1 1 1 1 1 1 1 r 1 1 1 O I OM1P 1 0.00 1 OMO -j U .•. 1 OOU1 t OMM 1 M � I MM•� l >� r ON'- 1 000 1 •-O� 1 0000 LL' ; 0 0 0; 000 0 0 o1 ; o 0 o o 1 1 1 1 1 r 1 u 1 m00 . 0 In 1 000 1 to OlnO �I Q I .pMM . oMO 1 .O M.OM t O. ; •- �T M•O." r MMM r �M �M J 1 1 1 i o W li 14F{ -I1 gW ; Ov•O ; Opp 1n 1 POpf i 1n v1M0 6 ~6•/ -.i1 N3 1 Put 1 af) 1 OPM 1 .T�In I d'> .p.f M In I Y W . 1 1 I aol 2f ; N,t•O I N•Om 1 hod . N1nM � > O. vPU1 1 0 1 O W O:J J 1 .O K > C1 1 1- 1 WF-J . vFJ 1 v1-J 1 vF-J 1 N Z I VV 1 vv 1 vv 1 vv 1 JO: •E I SOH t 571- I S��•• I S�F••' 1 HF 1 S W . .•+S W r .+xW 1 xW 1 H.+ 1 /Y 1-J . a'1-J 1 KHJ Z ; In ; W C «Q. i.i O J a W U a' O H K X W t7 � C, LU Z p� Q F .Z-. I 1 1 1 1 11 1� 1 1 1 1 1 m ; N II 1n411 I U O. •p . P 1 m 1 e- I M II 1 0 If O 111 O; OM1e�N. 1 O0t..pp 1 h h l OhODN ;1 II > 1 Oh.O 1 OPM . NODV 1 MN.-.t 11 I v�To 1 0E;G 1 O. -Or- > 4 . O.-O 1 000 1 00.-0 5; 4- Y '- ;oor ;000;000;0000i H 5 u I IRoo 1 ooln . 000 . Inolno jl 1 Q I :2 ton, 1 O.O.O 1. O.N10 1 .OM•OM 1 11 N a �M t i M•O� MMM �M.-M II II O. ; ; ; ; ii' o •• it li w w l I 1 1 F .Ohm 1 0.O .0 1 WNd . ut Nmh 1 U N- 1 ION 1 Nm I •O�t 1 1.D1 I > 1 8 �O; MM; �-P Q J 11 X 2 S ; tO ; � ,O cf ; A N .° ; In N O If � > 11 F- w .+ ] 1 P OJ N i .t W .t •O II ow II F J O J 1 M M r- a- 11 F- J tl x 0 C> 1 . 1 1 II W Z 11 0 I fo n irr Y 7 + 1 Z 1 1 1 1 I J F ve••'• 1 /•� 1 /� 1 /. 1 I1 O U O J N Z Z I vv 1 vv I vv r vv IV O•-• w 1 I- 1 1- 1 1- 1 r Q w I w 1- E 121-• 1 S�F 1 S�1- 1 S�F 1-F I 1-N {{t 1 1J t):LL 1 19SLL 1 mG:LL 1 mOCLL } OZ 1 Nr••r > 1 w•IxW 1 M'r.W 1 Mxw 1 r•xw 1 -� �X m itII m co In I Z . N I W 1 2 II 11 # Two -Way Stop Control TWO -WAY STOP CONTROL SUMMARY Page I ' al st run ""btuouno 8 Intersection 10. El Charro/7 -580 EB en /Co. TJKM 0 L Ram s R Date Performed 514/2005 R urisdiction Ci of Dublin 0 0.90 0 0 nal sis Time Period M Peak 4 0.90 4 0 nal sis Year 005 95 %a queue length p 0.22 0.16 Pro ect ID 157 -189 East/ gt Street: 1 -580 EB Rams pD LOS North /South Street: El Charm A A a Intersection Orientation: North -South pproach LOS tud Period hrs : 0.25 ehicle Volumes and Adjustments Ma or Street Northbound Southbound Movement 1 2 3 4 5 1 6 L T R L T I R olume 0 36 14 39 6 0 Peak -Hour Factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate, HFR 0 40 15 43 6 Percent Heavy Vehicles 0 _ _ p 0 Median Type Undivided RT Channelized 0 Lanes 0 1 1 0 1 0 0 Configuration T R LT Upstream Signal 0 0 �••��• vement 7 ""btuouno 8 9 I 10 Eastbound 11 1� 0 L T R L T R ume ik -Hour Factor, PHF My Flow Rate, HFR sent Heavy Vehicles 0 0.90 0 0 0 0.90 0 0 0 0.90 0 0 47 0.90 52 0 4 0.90 4 0 50 0.9( 55 0 -ent Grade ( %) 95 %a queue length p 0.22 0.16 o 7.4 Flared Approach N NB SB Westbound Eastbound N Storage 0 8 0 RT Channelized 0 0- Lanes 0 0 0 0 1 1 Configuration LT R ■ ✓-.ar. v[UCUW "WHUU1. Ann I even nr _cOMnnn -- pproach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 1 11 12 Lane Configuration LT LT R (vph) 43 56 55 C (m) (vph) 1563 825 1083 vlc 0.03 0.07 0.05 95 %a queue length 0.08 0.22 0.16 Control Delay 7.4 9.7 8.5 LOS A A A pproach Delay _ _ 9.1 pproach LOS _ _ A Copyright o 2000 University or Florida, All Rights Reserved Version 4.1 file: / /C:\ Documents %20and %20Settines \aaaie.nriran TTWkAT can »MS ' Two -Way Stop Control Page 1 of 2 J TWO -WAY STOP CONTROL SUMMARY eneral Information Oita Information na st run ntersection IV. cr 1,11drru /1-00V Ctl Ramps enc /Co. Date Performed nal sis Time Period TJKM 4%2005 PM Peak urisdichon City of Dublin nap sis Year 005 Prniprf In 1.57 -1 RA East/West Street: 1 -580 EB Rams North/South Street: El Charro { intersection Orientation: North -South IStudy Period hrs : 0.25 ehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R Volume 0 12 15 1 575 8 0 Peak -Hour Factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate, HFR 0 13 16 638 8 0 Percent Heavy Vehicles 0 1 — I — 0 — — Medlan Type_ Undivided RT Channelized 0 0 Lanes 0 1 1 0 1 0 Configuration T R LT Upstream Si nal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R Volume 0 0 0 5 11 40 Peak -Hour Factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate, HFR 0 1 0 0 5 12 44 Percent Heavy Vehicles 0 1 0 1 0 0 0 0 Percent Grade ( %) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 0 0 0 1 1 Configuration LT R Delay, Queue Len qt and Level of Service Approach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 . 11 12 Lane Configuration LT LT R (vph) 638 17 44 C (rn) (vph) 1597 99 1080 vlc 0.40 0.17 0.04 95% queue length 1.96 0.59 0.13 Control Delay 8.7 48.8 8.5 LOS A E A Approach Delay — -- 19.7 Approach LOS — — C Copyright 0 2000 University of Florida, All Rights Reserved version 4.1 Two -Way Stop Control Page 1 of 2 C J ' Two -Way stop Control Page 1 of 2 Copyright 0 2000 University of Florida, All Rights Reserved Version 4.1 TWO -WAY STOP CONTROL SUMMARY General Information Site Information 11. Fallon/7-580 Ramps WB run BDate TJKM kIntersectilon on C of Dublin med 5/4/2005 Year 005 me Period PM Peak D 157 - -189 East/West Street: 1 -580 WB Rams North /South Street: Fallon Intersection Orientation: " North- South IStudy Period hrs : 0.25 Vehicle Volumes and Adjustments Ma or Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R Volume 12 10 0 0 594 69 Peak -Hour Factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate, HFR 13 11 • 0 0 660 76 Percent Heavy Vehicles 0. — — 0 — — Median Type Undivided RT Channelized 0 0 Lanes 0 1 0 0 1 0 Configuration LT TR Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R Volume 5 0 33 0 0 .0 Peak -Hour Factor, PHF 0.90 0.90 0.90 0.90 0.90 0.90 Hourly Flow Rate, HFR 5 0 36 0 0 1 0 Percent Heavy Vehicles 0 0 0 0 0 0 Percent Grade. ( %) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 1 1 0 0 0 Configuration LT R Delay, Queue Len th and Level of Service Approach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LT R (vph) 13 5 36 C (m) (vph) •. 879 384 1076 vlC 0.01 0.01 0.03 95% queue length 0.05 0.04 0.10 Control Delay 9.2 14.5 8.5 LOS A B A 12proach Delay I — — 9.2 pproach LOS I — — A Copyright 0 2000 University of Florida, All Rights Reserved Version 4.1 Kimley-Hom and Associates, Inc. APPENDIX C - LIST OF APPROVED, PENDING PROJECTS, AND BUILDOUT PROJECTS, LANE GEOMETRY AND CONTROL ASSUMPTIONS, AND TURNING MOVEMENT VOLUMES Land Use Database_ Update_060506.xis Source: TJKM Transportation Consultants, "A Traffic Study for the Proposed Fallon Crossings Development,' September 28, 2005, and Updates by City Staff. Table C1. Approved Projects j I TABLE Cl: APPROVED PROJECTS IN DUBLIN (As of December 2005) Traffix Zone Development Name Land Use ITE Code Size % Occupied Unoccupied Size Units Rates Total Trips % Pass-By Traffie : Net New Trips AM PM Saturda Dail AM PM SaWrda Dail AM PM Saturday Dal In Out In Out In Out In Out In Out In Out In Out In Out AM PM Sat In Out In Out In Out In Out 113 Black Mountain Single Family Residential 210 7 29% 5 d.u. 0.191 0.561 0.651 0.36 0.51 0.431 4.791 4.79 1 3 3 2 3 2 24 24 1 3 3 2 3 2 24 24 114 Braddock and Logan: EDPO Single Family Residential 210 1078 0% 1078 d.u. 0.18 0.53 0.54 0.31 0.48 0.41 4.29 4.29 191 573 585 329 522 444 4620 4620 191 573 585 329 522 444 4620 4820 4 29 Chacon Dublin Ranch A Dental Office 18-Hole Golf Course 720 430 5.00 18 0% 100% 5.00 0 ksf holes 1.941 1.751 0.49 0.47. 0.991 1.211 2.67 1.53 2.07 2.25 1.661 2.34 18.071 17.87 18.07 17.87 10 0 2 0 5 0 13 0 10 0 8 0 90 0 90 0 10 0 2 0 5 0 13 0 10 0 8 0 90 0 90 0 42 43 44 45 Dublin Ranch Dublin Ranch Dublin Ranch Dublin Ranch A -1 A -2 A -3 A-4 Single Farrdly Residential Single Family Residential ° Single Famil Residential ° - Si a Famil Residential ° 210 270 210 210 110 51 83 55 67% 63% 31% 24 °� 36 19 57 42 d.u. d.u. d.u. d.u. 0.20 0.22 0.20 0.22 0.59 0.86 0.61 0.65 0.68 0.73 0.70 0.73 0.38 0.41 0.39 0.41 0.53 0.60 0.55 0.59 0.45 0.51 0.47 0.50 5.14 5.47 5.26 5.44 5.14 5.47 5.26 5.44 6 4 10 8 19 17 31 25 22 13 36 28 12 7 20 16 17 10 28 22 15 9 24 19 167 94 270 206 167 94 .270 .206 6 4 10 8 18 11 31 25 22 13 36 28 12 7 20 16 17 10 28 22 15 9 24 19 167 94 270 206 167 94 270 206 46 Dublin Ranch A-5 Si le !F Res ntial .ff 210 62 47% 33 d.u. 0.21 0.64 0.72 0.41 0.57 0.49 5.39 5.39 6 19 21 12 17 15 160 180 6 19 21 12 17 15 160 160 1001 Fairway Parcel 1 B HI-H2 Senior rtment 253 325 0% 325 d.u. 0.12 0.28 0.28 0.16 0.15 0.15 1.74 1.74 39 85 91 52 49 49 568 566 39 85 91 52 49 49 566 566 1002 Fairway Parcel 2 B H1-H2 Famil artment 220 304 0% 304 d.u. 0.08 0.43 0.42 0.20 0.26 0.26 3.32 3.32 24 131 128 61 79 79 1008 1008 24 131 128 61 79 79 1008 1008 1003 SB 38 38 38 Fairway Parcel 3 Dublin Ranch Dublin Ranch Dublin Ranch Dublin Ranch B Ht-H2 G G G G Condo Co s MH -1 Courtyards MH -2 Votes H -1 Terraces H -2 220 230 230 230 230 304 200 281 289 626 0% 68% 48% 50% 22% 304 64 146 145 488 d.u. d.u. d.u. d.u. d.u. 0.08 0.07 0.07 0.07 1 0.071 0.43 0.37 0.37 0.37 0.37 0.42 0.36 0.36 0.361 0.361 0.20 0.18 0.18 0.18 0.18 0.26 0.25 0.25 0.25 0.25 0.26 0.22 0.22 0.22 0.22 3.32 2.93 2.93 2.931 2.931 3.32 2.93 2.93 2.931 2.93 24 4 9 9 31 131 21 49 48 163 128 21 47 47 158 61 10 24 23 79 79 14 33 33 110 79 13 29 29 97 1008 169 385 382 1287 1006 " 169 385 382 1287 24 4 9 9 1 31 131 21 49 48 163 128 21 47 47 158 61 10 24 23 79 79 14 33 33 110 79 13 29 29 97 1008 169 385 382 1287 1008 169 385 382 1287 38 Dublin Ranch G Neighborhood Park NA 5.60 0% 5.80 acres 1 0.00 0.00 0.001 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 01 Ol 0 0 0 0 0 0 22 19 18 Dublin Ranch Emerald Glen Pointe Greenbrier Phase 1 L-6 Single Family Residential Research and Development Center' Single Family Residential ° 210 760 210 117 677.76 1 126 69% 55% 94% 36 304.99 8 d.u. ksf d.u. 0.20 0.89 0.19 0.59 0.18 0.58 0.681 0.14 0.67 0.381 0.821 0.381 0.53 0.13 0.53 0.45 0.11 0.45 5.12 3.65 5.09 5.12 3.65 5.09 6 271 2 19 56 5 22 44 5 12 250 31 17 40 4 15 34 4 166 1113 41 166 1113 41 61 271 2 19 56 5 22 44 5 121 2501 31 17 40 4 15 34 41 166 1113 41 166 1113 41 18 18 Greenbrar Phase 3 Greenbrier Phase 5 Single Family Residential Si le Famii Residential' 210 210 1 108 1 0% 0% 108 1 d.u. d.u. 0.20 0.19 0.59 0.56 0.68 0.65 0.381 0.36 0.53 0.51 0.45 0.43 5.15 4.79 5.15 4.79 21 0 64 1 74 1 41 0 58 1 49 0 556 5 556 5 21 0 64 1 74 1 41 0 58 1 491 0 556 5 556 5 1 11 Palace Auto Pinn Brothers Silveria Auto DealersM Single Famil Residential 23 841 210 11.33 79 0% 0% 11.33 79 ksf d.u. 1.81 0.19 0.60 0.56 1.12 0.65 1.68 0.36 1.51 0.51 1.46 0.43 18.75 4.79 18.75 4.79 18 15 7 44 13 51 79 28 17 40 17 34 212 378 212 378 34 26 18 15 7 44 6 51 14 28 13 40 13 34 176 378 176 378 11 Pinn Brothers Silveria Cluster Homes 210 73 0% 73 d.u. 0.19 0.56 0.65 0.36 0.51 0.43 4-791 4.79 14 411 47 26 37 31 350 '350 1 14 41 47 26 37 31 350 350 11 121 109 109 129 129 129 Pinn Brothers Silveria Senior Center Valle Center Valley Center Valley Christian Center Valle Christian Center Valle Christian Center Condominiums Multi-Famil Residerial ° Retail''" Office' Jr. /Sr. High School. Administration's Senior Center, Counseli Church '� StafF E ansion 2' 230 220 814 710 530 560 NA 102 54 5.00 3.00 1 200 30.00 10 0% 0% 0% 0% 0% OY° 0% 102 54 5.00 3.00 200 30.00 70 d.u. d.u. ksf ksf pupils ksf em p. 0.07 0.09 1.75 1.37 0.32 0.39 NA 0.36 0.47 1.62 0.19 0.14 0.33 NA 0.36 0.60 1.11 0.25 0.06 0.36 NA 0.18 0.29 1.48 1.24 0.09 0.30 NA 0.25 0.40 2.17 0.22 0.09 2.41 NA 0.22 0.40 2.01 0.19 0.03 0.85 NA 2.931 4.24 20.341 5.511 0.90 4.56 NA 2.93 4.24 20.34 5.51 0.90 4.56 NA 7 5 9 4 64 12 10 37 25 8 1 28 10 0 37 32 6 1 12 11 0 18 16 7 4 18 9 10 26 22 11 1 18 72 0 221 22 101 1 6 26 0 299 229 102 17 180 137 10 299 229 102 17 180 137 10 34 26 7 5 91 4 64 12 10 37 25 81 1 28 10 0 37 32 4 1 12 11 0 18 16 5 41 18 9 10 26 22 8 1 18 72 0 22 22 7 1 6 26 0 299 229 85 17 180 137 10 299 229 85 17 180 137 10 121 121 25 Enea Village Parkway Enea Village Parkway Quarry Lane School Retail'-1' Office' K -12 - 814 710 521 8.53 5.58 750 0% 0% 0% 8.53 5.58 750 ksf ksf pupils 1.75 1.37 0.55 1.62 0.19 0.37 1.11 0.25 0.08 1.48 1.24 0.12 2.17 0.22 0.09 2.01 o.191 0.03 20.34 5.51 0.90 20.34 5.51 0.90 15 8 413 14 1 278 9 1 60 13 7 90 19 1 68 17 1 23 173 31 675 173 31 675 34 1 1 26 15 8 413 14 1 278 5 1 60 9 7 90 14 1 68 12 1 23 144 31 6751 144 31 675 1005 IKEA15 IKEA NA 1.00 0% 1 Location 22.00 24.00 200.0 224.0 733.0 795.0 2759 2759 22 24 200 224 733 795 2759 2759 22 24 128 152 733 795 2759 2759 129 Bancor Pak n Save wnhm w Tonhouse " 231 110 0% 110 d.u. 0.17 0.50 0.5 0.4 74 0.3 3 3 18 54 52 39 43 36 322 322 18 54 52 39 43 36 322 322 129 129 Bancor Pak n Save Bancor Pro 8909 San Ramon Multi-Family Residential" Townhouse " 220 231 130 55 0% 0% 130 55 d.u. d.u. 0.08 0.17 0.43 0.50 0.4 0.47 0.2 0.36 0.3 039 0.3 0.33 3 2.93 3 2.93 11 9 56 27 54 26 27 20 34 21 34 18 431 161 431 161 11 9 56 27 54 26 27 20 34 21 34 18 431 161 431 161 125 15 32150 50 36137 36 Hall of Justice Koll Dublin Corp Center Ph. 2 Dublin Ranch Dublin Ranch Dublin Ranch Dublin Ranch 8 Mad B MH F F Courthouse Office ° Medium-High Residential ° Medium-High Residential ° Medium-High Residential 6 Medium-High Residential ° NA 710 220 220 220 220 13 179.85 262 172 630 420 0% 0% 0% 0% 0% 0 °k 13 179.85 262 172 630 420 rms ksf d.u. d.u. d.u. d.u. Rates not 1.461 0.08 0.08 0.08 0.08 a licable. 0.20 0.43 0.43 0.42 0.42 Net 0.27 0.44 0.44 0.38 0.39 new tri 1.30 0.21 0.21 0.19 0.19 s obtained 0.18 0.26 0.26 0.26 0.26 from 0.16 0.26 0.26 0.26 0.26 Courytv 5.791 3.39 3.39 3.10 3.16 EIR. 5.79 3.39 3.39 3.10 3.16 582 262 19 13 46 31 128 36 101 67 239 160 170 48 104 67 217 148 540 233 50 33 107 73 0 33 61 40 147 98 0 28 61 40 147 98 2969 1041 799 524 1760 1193 2969 1041 799 524 1760 1193 1 1 1 582 262 19 13 46 31 128 36 101 67 239 160 170 48 104 67 217 148 540 233 50 33 107 73 0 33 61 35 79 68 0 28 81 35 79 68 2969 1041 799 524 1760 1193 2969 1041 799 524 1760 1193 26 6 27 28 126 126 126 126 4 4 4 4 5 5 Dublin Ranch Dublin Ranch Dublin Ranch Dublin Ranch West Wallis Dublin Ranch West (Wallis) Dublin Ranch West Allis Dublin Ranch West (Wallis) Dublin Transit Center EAH Transit Center Avalon Bay Transit Center D.R. Horton Transit Center W. Lea /AMB Office W. L a IAMB Apartments F F -1 F -2 Middle School Midddl Multi-Family Residential ° Si le Family Residential ° Si to Family Residential 2° Single Family Residential ° Multi -Family Residential 28 Multi-Family Residential 28 Apartments' Medium-High Residential ° Medium-High Residential ° Medium -Hi h Residential ° Office Medium -Hi h Residential ° 522 220 220 210 210 220 220 220 220 220 220 710 220 1200 119 121 75 557 178 224 265 112 305 257 150.5 304 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 119 121 75 557 178 224 265 112 305 257 150.5 304 u ils d.u. d.u. d.u. d.u. d.u. d.u. d.u. d.u. d.u. d.u. ksf d.u. 0.00 0.08 0.19 0.191 0.191 0.08 0.08 0.08 0.08 0.08 0.08 1.46 0.08 0.00 0.44 0.58 0.56 0.56 0.43 0.43 0.43 0.44 0.43 0 43 0.20 0.43 0.00 0.47 0.67 0.65 0.65 0.42 0.42 0.42 0.47 0.40 0.41 0.27 0.40 0.00 0.23 0.38 0.36 0.36 0.20 0.20 0.201 0.231 0.20 0.20 1.30 0.20 0.00 0.29 0.53 0.51 0.51 0.26 0.26 0.26 0.26 0.26 0.26 0.18 0.26 0.00 0.29 0.45 0.43 0.43 0.26 0.26 0.26 0.26 0.26 0.26 0.16 0.26 0.00 3.56 5.10 4.79 4.79 3.32 3.32 3.321 3.60 3.22 3.26 5.79 3.22 0.00 3.56 5.10 4.79 4.79 3.32 3.32 3.32 3.60 3.22 3.26 5.79 3.22 0 10 21 14 106 14 18 21 8 22 19 262 22 0 52 64 42 312 77 96 114 45 117 99 36 117 0 56 73 49 362 75 94 111 48 111 95 48 110 0 27 41 27 201 36 45 53 24 55 47 233 54 0 34 57 38 284 46 58 69 26 71 60 33 71 0 34 49 32 240 46 58 691 26 71 60 28 71 0 424 556 359 2668 591 744 880 362 883 754 1041 880 0 424 556 359 2668 591 744 880 362 883 754 1041 880 1 1 1 0 10 21 14 106 14 18 21 8 22 19 262 22 0 52 64 42 312 77 96 1141 45 117 99 36 117 0 56 73 49 362 75 94 1111 48 111 95 48 110 0 27 41 27 201 36 45 53 24 55 47 233 54 0 31 57 38 284 46 58 69 26 71 60 33 55 0 31 49 32 240 46 56 69 26 71 60 28 55 0 424 556 359 2668 591 744 880 362 883 754 1041 880 0 424 - 556 359 2668 591 744 880 36 883 754 1041 880 21 113 Maniot Hotel Sitelrrumark Schaefer Ranch Retail'" Single Family Residential 814 210 45 302 0% 0% 45 302 ksf d.u. 1.75 0.18 1.62 0.55 1.11 0.62 1.48 0.35 2.17 0.50 2.01 0.42 20.34 4.74 20.34 4.74 79 55 73 166 50 186 67 105 98 150 90 128 915 1433 915 1433 34 26 79 55 73 166 30 186 47 105 74 150 66 128 759 1433 759 1433 Total otal 2954 4252 4314 3654 3783 3483 39559 39559 2954 4252 4210 35501 36251 3324 39321 39321 Land Use Database_ Update_060506.xis Source: TJKM Transportation Consultants, "A Traffic Study for the Proposed Fallon Crossings Development,' September 28, 2005, and Updates by City Staff. Table C1. Approved Projects j I Land Use Database_Update_060506.xis Source: TKJM Transportation Consultants, "A Traffic Study for the Proposed Fallon Crossings Development," September 28, 2005, and Updates by City Staff. Table C2. Pending TABLE C2: PENDING PROJECTS IN DUBLIN As of December 2005 Zone Zone Development Name Land Use Code Code Size' Units Rates Total Trips X Pass -ey Traffic: Net New Trips AM PM SatuMay Daily AM PM Saturday Daily AM PM Saturday Dally In Out In Out In Out In Out In Out in Out In Out In Out AM PM Sat In Out In Out In Out In Out 115 Army Residential Mini- Family Residential 220 114 d.u. 0.08 0.44 0.47 0.23 0.29 0.29 3.59 3.59 .10 50 54 27 33 33 409 409 10 50 54 27 33 33 409 409 119 Dolan Lumber Auto Dealership (47 Stab) ° 841 70.00 ksf 1.611 0.60 1.12 1.68 1.51 1.46 18.75 18.75 113 42 78 118 106 102 1313 1313 34 26 113 42 45 85 79 75 1090 1090 36!37 Dublin Ranch F Pubfic/Semi -Public '1° 560 37.64 ksf 0.00 0.00 0.00 0.00 0.00 0.00 020 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36137 Dublin Ranch F Single Family Residential (Law) 210 196 d.u. 0.18 0.56 0.64 0.36 0.51 0.43 4.91 4.91 33 99 113 64 90 76 866 866 33 99 113 64 90 76 666 866 4 Dublin Transit Center BART Parking Stnrctirre NA 1680 spcs No additional tri rki swc6ure to the 1,680 existi surface dd lots for the BART station. 0 0 0 0 0 0 0 0 20 GM Auto Mal B Expansion Auto Service ° 840 23.15 ksf 1.91 1.03 1.69 1.69 0.791 0.79 16.91 16.9 44 24 39 39 18 18 391 391 621 56 56 23 317 17 8 8 160 160 20 GM Auto Mall C Auto Dealership 3 841 53.00 ksf 1.61 0.60 1.12 1.68 1.511 1.46 18.75 18.75 85 32 59 89 80 77 994 994 1 34 26 85 32 34 64 60 57 825 825 1005 IKEA 1 High Turn-Over Restaurants 832 25.86 ksf 4.82 4.45 6.52 4.34 12.601 7.401 65.17 65.17 125 115 169 112 326 191 1685 1685 43 43 1251 115 1091 52 21511 80 1685 1685 1005 Shopping Center 820 109.36 ksf 0.94 0.60 2.92 3.17 4.40 4.06 33.01 33.01 103 66 320 346 481 444 3610 3610 34 26 1031 66 2071 233 361 324 3610 3610 128 Casamira Valle (Molar Poperty REMOVED ) Single Family Residential ° 210 269 d.u. 0.18 0.55 0.62 .0.35 0.50 0.43 4.79 4.79 49 148 168 94 135 115 1288 1286 128 Mission Peak Single Family Residential ° 210 103 d.u. 0.20 0.60 0.69 0.39 0.54 0.46 5.20 5.20 21 62 71 40 56 47 536 536 1 211 62 71 40 56 47 536 536 113 Schaefer Ranch Retail''" 814 26.00 ksf 1.75 1.62 1.11 1.48 2.17 2.01 20.34 20.34 46 42 29 38 56 52 529 529 34 26 461 42 18 27 42 38 439 439 121 See's Vacant Lot Retail 3'" 814 7.905 ksf 1.75 1.62 1.11 1.48 2.17 2.01 20.34 20.34 14 13 9 12 17 16 161 161 34 26 14 13 5 8 13 12 134 134 109 Shamrock Ford She/Cirouit C Retail - 863 30.00 ksf 1.83 1.63 2.21 2.30 4.49 3.98 22.52 22.521 551 49 66 69 135 119 676 676 34 26 551 49 44 46 100 88 561 561 5 West Dublin BART S.P.: Orixllegacy Mull -Family Residential " 220 210 d.u. Rates not . Net new trips obtained from s studies. 30 155 151 74 127 62 1202 1202 5 West Dublin BART S.P. Business Hotel' 312 150 rooms Rates not applicable. Net new trips obtained from specific plan studies. 46 32 50 33 61 40 491 491 5 West Dubin BART S.P. Quality Restaurant " 831 7.50 ksf Rates not applicable. Net new ti obtained from plan studies. 5 1 37 19 48 33 337 337 5 West Dublin BART S.P. Office' 710 360.70 ksf Rates not applicable. Net new trips obtained from speaft plan studies. 590 80 110 5311 97 80 23651 2365 5 West Dublin BART S.P. BART. NA 713.001 spaces Rates not applicable. Net new trips obtained from specilic plan studies. 354 92 85 296 35 81 11071 110 Grand Total Total 1653 933 1150 1616 1425 11341 158171 15817 Land Use Database_Update_060506.xis Source: TKJM Transportation Consultants, "A Traffic Study for the Proposed Fallon Crossings Development," September 28, 2005, and Updates by City Staff. Table C2. Pending zone TABLE C3: BUILDOUT PROJECTS IN DUBLIN( of December 2005 Rates Total Trips % Pass -By Net New Trips Development Name Land Use Conde Size' Units AM PM Saturday Dally AM PM Saturday Daily Traffic' AM PM Saturday. Daily In Out In Out In Out In Out In Out In Out In Out In Out AM PM Sat In Out In Out In Out In I Out 14 15A Corporate Headquarters Building 16 714 433.50 ksf 1.15 0.09 0.12 1.061 0.22 0.19 3.28 3.28 424 33 44 391 811 701 1209 1209 424 33 441 3911 81 70 1209 1209 12 16A Corporate Headquarters Building 16 714 428.50 ksf 1.15 0.09 0.12 1.D61 0.221 0.19 3.28 1 3.281 419 33 44 386 80 691 1195 1195 4191 33 441 3861 80 69 1195 1195 114 Anderson: EDPO Single Family Residential 210 71 d.u. 0.19 0.55 0.65 0.36 0.51 0.43 4.79 4.79 13 39 46 26 36 31 340 340 13 39 46 26 36 31 340 340 114 Anderson: EDPO Light Industrial 110 317.11 k-s-f 0.81 0.11 0.12 0.861 0.07 0.07 3.49 3.49 257 35 38 273 22 22 1107 1107 257 35 38 273 22 22 1107 1107 114 Branau h: EDPO Light Industrial 110 120.35 ksf 0.81 0.11 0.12 0.861 0.07 0.07 3.49 3.49 97 13 14 104 8 8 420 420 97 13 14 104 8 8 420 420 114 Branau h: EDPO Single Family Residential 210 98 d.u. 0.19 0.55 0.65 0.36 0.51 0.43 4779 4.79 19 54 64 35 50 42 469 469 19 54 64 35 So 42 469 469 116 EDPO SE and S.Central Light Industrial 110 564.22 ksf 0.81 0.11 0.12 0.86 0.07 0.07 __3_4_9F 3.49 457 62 68 485 39 39 1969 1969 457 62 68 485 39 39 1969 1969 5 Come Site Auto Dealership 841 33.90 ksf 1.61 0.60 1.12 1.68 1.51 1.46 18.751 18.75 551 20 38 57 51 49 6361 636 341 26 55 201 22 41 38 36 5281 528 117 Croak: EDPO Single Family Residential 210 426 d.u. 0.18 0.54 0.60 0.33 0.49 0.42 4-621 4.62 771 231 254 143 210 179 1966 1966 77 231 254 143 210 179 1966 1966 118 DiManto Multi- Family Residential 220 540 d.u. 0.08 0.42 0.39 0.19 0.40 0.40 3.12 3.12 43 228 208 103 218 218 1685 1685 43 228 208 103 218 218 1685 1685 120 DiManto Commercial / Retail Commerciale 820 846.46 ksf 0.41 0.26 1.46 1.58 2.15 1.99 15.901 15.90 3481 223 1234 1337 1822 16821 13458 13458 34 261 348 223 797 900 1366 1226 11170 11170 121 Downtown Core S.P. Commercial 820 237.85 ksf Rates not applicable. Net new trips obtained from specific plan studies. 1 49 67 242 221 320 296 2747 2747 121 Downtown Core S.P. Office ' 710 54.72 ksf Rates not applicable. Net new trips obtained from specific plan studies. 1 418 57 77 376 67 57 1675 1675 121 Downtown Core S.P. Multi- Family Residential 220 100 d.u. Rates not applicable Net new trips obtained from specific plan studies. 1 6 30 29 14 16 20 232 232 50 Dublin Ranch B Commercial a 820 163.35 ksf 0.80 0.51 2.55 2.76 3.821 3.53 28.611 28.611 118 75 375 406 562 6191 4206 4206 34 26 1181 75 242 273 421 3781 3491 3491 35 Dublin Ranch C Commerciale 820 375.05 ksf 0.57 0.37 1.92 2.08 2.86 2.64 21.26 21.26 193 123 649 703 965 8911 7177 7177 34 26 193 123 419 473 724 650 5957 5957 35 Dublin Ranch C Office a 710 1301.31 ksf 0.97 0.13 0.20 0.98 0.13 0.11 3.66 3.66 1142 156 235 1149 152 129 4285 4285 1142 156 235 1149 152 129 4285 4285 122 Dublin Ranch D Single Family Residential 3 210 1 d.u. 0.19 0.55 0.65 0.36 0.51 0.43 4.79 4.79 0 1 1 0 1 01 5 5 0 1 1 0 1 0 5 5 34 Dublin Ranch E Elementary School 7 520 295 pupils 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36/37 Dublin Ranch F Neighborhood Park NA 6.70 acres 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38 1 Dublin Ranch G Public/Semi-Public '1e 560 20.26 ksf 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 107 Dublin Ranch (Town Center VC) G Commercia7" 814 230.00 ksf 1.75 1.62 1.11 1.48 2.17 2.01 20.34 20.34 4031 3731 2551 340 499 462 4678 4678 34 26 403 373 154 239 374 337 3883 3883 40/41 Dublin Ranch H Commerciale 820 384.44 ksf 0.57 0.36 1.91 2.07 2.83 2.62 21.07 21.071 1961 125 660 715 981 905 7292 7292 34 26 196 125 426 481 736 660 6052 6052 40/41 Dublin Ranch H Research and Development Center 760 860.53 ksf 0.86 0.18 0.14 0.79 0.09 0.071 3.50 3.50 668 137 108 611 70 54 2710 2710 668 137 108 611 70 54 2710 2710 4 Dublin Transit Center Apartments � 220 823 d.u. 0.08 0.43 0.42 0.20 0.26 0.26 3.32 3.32 49 265 259 123 160 160 2049 2049 49 265 259 123 160 160 2049 2049 4 Dublin Transit Center Corporate Office" 714 2000 ksf 1.37 0.10 0.15 1.24 0.22 0.22 3.88 3.861 23291 170 255 21081 3741 3741 6562 6562 2329 170 255 2108 374 374 6562 6562 4 Dublin Transit Center Speciality Retail 814 70 ksf No additional trips. Retail is considered "ancillary" to the p roposed T.C. office space and would not generate external trips. 34 26 0 0 0 0 0 0 0 0 125 Government Center Office 6.20 714 669.77 ksf 1.24 0.09 0.13 1.07 0.21 0.18 3.74 3.74 8331 63 88 713 138 118 2505 2505 833 63 88 713 138 118 2505 2505 18 Greenbriar Phase 4 Single Family Residential a 210 164 d.u. 0.19 0.57 0.65 0.37 0.51 0.44 4.98 4.98 311 93 107 60 84 72 817 817 31 93 107 60 84 72 817 817 18 Gygi Single Family Residential' 210 10 d.u. 0.19 0.56 0.65 0.36 0.51 0.43 4.79 4.79 2 6 7 4 5 4 48 48 2 6 7 4 5 4 48 48 132 Herrera "Frederich" Multi- Family Residential a 220 68 d.u. 0.09 0.46 0.55 0.27 0.35 0.35 3.98 3.98 6 31 37 18 24 24 271 271 6 31 37 18 24 24 271 271 132 Herrera "Frederich" Commercial 3." 814 58.81 ksf 1.75 1.62 1.11 1.48 2.17 2.01 20.34 20.34 103 95 65 87 128 118 1196 1196 34 26 103 95 39 61 96 86 993 993 124 Jordan:EDPO Single Family Residential a 210 788 d.u. 0.18 0.53 0.56 0.32 0.49 0.41 4.39 4.39 140 421 441 248 383 326 3463 3463 140 421 441 248 383 326 3463 3463 127 Jordan:EDPO Multi- Family Residential a 220 436 d.u. 0.08 0.42 0.39 0.19 0.23 0.23 3.15 3.15 35 185 171 84 99 99 1374 1374 35 185 171 84 99 99 1374 1374 127 EDPO SE and S.Central Commercial 6 820 376.14 ksf 0.57 0.36 1.92 2.08 2.86 2.64 21.24 21.24 215 1371 723 783 1074 9921 7989 7989 34 26 215 137 467 527 805 723 6631 6631 132 Moura -ripper" Multi - Family Residential a 220 82 d.u. 0.09 0.45 0.52 0.25 0.32 0.32 3.81 3.81 7 37 42 21 26 26 313 313 7 37 42 21 26 26 313 313 11 Neilsen Single Family Residential 3 210 1 d.u. 0.19 0.56 0.65 0.36 0.51 0.43 4.79 4.79 0 1 1 0 1 0 5 5 0 1 1 0 1 0 5 5 102 Raley" bold" Multi - Family Residential 220 20 d.u. 0.08 0.43 0.42 0.20 0.26 0.26 3.32 3.32 2 9 8 4 5 5 66 66 2 9 8 4 5 5 661 66 128 Redgewick Single-Family Residentia 13 210 67 d.u. 0.19 0.56 0.65 0.36 0.51 0.43 4.79 4.79 13 38 44 24 34 29 321 3211 13 38 44 24 34 29 321 321 114 Ri hetti:EDPO Single Family Residential (Low) 3 210 95 d.u. 0.19 0.56 0.65 0.36 0.86 0.43 4.79 4.79 18 53 62 34 82 41 455 455 18 53 62 34 82 41 455 455 114 Ri hetti: EDPO Light Industrial 3 110 255.32 ksf 0.81 0.111 0.12 0.86 0.071 0.07 3.49 1 3.491 207 28 31 220 18 18 891 891 207 28 31 220 18 18 891 891 114 TMI Chen: EDPO Multi - Family Residential e 220 332 d.u. 0.08 0.43 0.40 0.20 0.28 0.28 3.201 3.201 27 141 1331 65 931 931 1062 1062 27 141 133 65 93 93 1062 1062 114 TMI Chen: EDPO Commercial 6 820 582.57 ksf 0.48 0.31 1.66 1.79 2.26 18.17 18.17 279 178 964 1045 1428 1318 10584 10584 34 26 279 178 622 703 1071 961 8785 8765 114 TMI Chen: EDPO Light Industrial 3 110 287.09 ksf 0.81 0.11 0.12 0.86 0.07 3.49 3.49 233 32 34 247 20 20 1002 1002 233 32 34 247 20 20 1002 1002 132 Vargas Single Family Residential 3 210 14 d.u. 0.19 0.56 0.65 0.36 42A5 0.43 4.79 4.79 3 8 9 5 7 6 67 67 3 8 9 5 7 6 67 67 132 Vargas r:lest Condominium e 230 72 d.u. 0.09 0.46 0.44 0.21 0.40 3.42 3.42 7 33 31 15 34 29 246 246 7 33 31 15 34 29 246 246 5 Dublin BART S.P. Commercial'' 820 344.07 ksf Rates not applicable. Net new trips obtained from specific plan studies. 238 171 867 901 1243 1110 10418 10418 Grand Total Total 10179 4310 7287 12909 98311 88451 101439 101439 Land Use Database_Update_060506.xis Source: TKJM Transportation Consultants, "A Traffic Study for the Proposed Fallon Crossings Development," September 28, 2005, and Updates by City Staff. Table C3. Buildout Table C4: Pleasanton and Dougherty Valley Land Use Assumptions Future Baseline Traffic Estimates Land Use Size Units Trips AM PM Dail In I Out In I Out Total Medical inic 72 ksf 140 35 74 200 2601 MF Units 21 d.u. 1 9 9 4 139 Office 207 ksf 284 39 52 256 2279 Retirement Home 65 d.u. 5 9 10 5 380 Light Industrial 679 ksf 495 109 129 496 4723 Retail 200 ksf 126 81 360 518 8596 SF Units 178 d.u. 341 1001 116 631 1704 Warehouse 56 ksf 21 4 7 22 278 Pleasanton total* 1106 386 757 1564 20700 Shapell Single Famil y 33 815 d.u. 20 60 68 39 1014 Shapell Multi - Family33 335 d.u. 4 19 18 9 289 Windemere Single Family33 2012 d.u. 49 147 169 95 2503 Windemere Condos33 322 d.u. 3 15 15 7 245 Windemere Apartments" 743 d.u. 8 41 40 20 640 Dougherty Valley total 4227 d.u. 50 173 311 170 4691 Grand Total 1156 559 1068 17341 25391 * Pleasanton Baseline Land Use was assumed to be 23 percent of Pleasanton Buildout Land Use Database_Update_060506.)ds Source: TKJM Transportation Consultants. "A Traffic Study for the Proposed Fallon Crossings Development." September 28, 2005. Table C4. Pleasanton- Dougherty Footnotes for Tables C1, C2 and C3 1 All land use sizes are based on information provided by the City or extracted from previous project reports as directed by the City. 2 Pass -by traffic percentages obtained from the Institute of Transportation Engineers (ITE) Trip Generation Handbook, October 1998. Shaded values are assumed same as weekday PM peak. 3 Trip rates are average rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 4 AM, PM, and daily trip rates are based on Final Report Transportation and Parking Impacts for the Proposed Armstrong Garden Center, City of Dublin, June 21, 2002. Saturday trip rates are averages rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 5 AM, PM, and daily trip rates are based on Final A Traffic Study for the Proposed Trumark Homes Development in the City of Dublin, December 15, 1999. Saturday trip rates are average rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 6 Trip rates for developments based on regression equation from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. Fairway Ranch staff report specified that density bonus increase was linked to Dublin Ranch Areas B -E total unit counts remaining at 1,875. Since the 744 Apts. allowed under the PD were increased by 186 units as a density bonus, 186 units of SFR have been removed from the 958 SFR allowed under the PD for a total of 772 SFR (M) units. In addition, 90 units from Area B M1 have been removed because M1 has been included in the Area F North GPA proposal for a total of 682 units. 7 Land uses that will not generate external trips. All trips will be internal to the development. 8 AM, PM, and daily trip rates are based on Consultant's Report on the Transportation Impacts for the Proposed Dublin Volkswagen Auto Dealership, City of Dublin, December 1999. Saturday trip rates are averages rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 9 AM and PM trip rates are averages rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. Assumed PM rates are 10% of daily rates and used ratio of weekday rate to Saturday rate and applied to PM rate to get Saturday peak hour rate. 10 AM, PM, and daily trip rates are based on Final A Traffic Study for the Proposed Emerald Glen Village Apartments Development in the City of Dublin, March 20, 2000. Saturday trip rates are averages rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 11 For Specialty Retail (use 814), AM trip rates were based on the ratio of AM to PM peak hour of generator, multiplied by the PM rate. Saturday peak rates for use 814 was based on the ratio of Saturday peak hour of generator to Saturday for Shopping Center (use 820), multiplied by Saturday rate for use 814. Land Use Database_Update_060506.,ds Footnotes Source: TKJM Transportation Consultants.'A Traffic Study for the Proposed Fallon Crossings Development." September 28, 2005. Page 5 12 There is no trip Generation for Saturday from land use 845 thus, this is based on 846 which had similar AM and PM peak hour trip generation rates. 13 AM, PM and daily trip rates were based on Draft Focused Traffic Analysis for the Proposed Dublin Village Development, May 30, 2003. Saturday trip rates for Townhouse (use 231) were based on the ratio of Saturday peak to PM peak for use 230, multiplied by the PM peak rate for use 231. For Apartment (use 220), average Saturday trip rates were used. 14 AM, PM and daily trip rates were based on Final Focused Traffic Analysis for the Proposed San Ramon Village Plaza Development, June 10, 2003. Saturday trip rates for Townhouse (use 231) were based on the ratio of Saturday peak to PM peak for use 230, multiplied by the PM peak rate for use 231. 15 Trip generation based on Final Report., IKEA Retail Center Transportation Study, Dublin, California, August 2003. 16 AM, PM, and daily trip rates are based on Focused Traffic Circulation Analysis for the Proposed Cisco Systems Projects, City of Dublin, May 21, 2001. Saturday trip rates are average rates for General Office Building (use 710) from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 17 Net new trips for AM, PM, and daily based on Consultant's Report on the Transportation Impact for the Proposed Village Parkway, Downtown Core, and West BART Station Specific Plans, City of Dublin. Net new trips were adjusted proportionately in some cases to reflect current projections. Assumed 15% reduction in office trips due to proximity to the West Dublin BART station. Also assumed 34% pass -by trips for commercial during the PM peak. Used ratio of Saturday rates to PM rates from ITE Trip Generation and applied to PM net new trips to determine Saturday net new trips. Residential trips include a 30% reduction based on proximity to the BART Station as specified in the above report. Business Hotel and Quality Restaurant trips are based on ITE trip rates for the Orix Development. 18 Public /semi public area is assumed to be a church based on information provided by the City. The floor /area ratio assumed is 0.15 based on survey of a few churches in Fremont, CA. 19 Only 50% of high school trips will be external trips, the rest will be internal to the development. 20 ITE Trip Generation for Corporate Headquarters Building (714) was used for rates because government office building (730) only has one observation and corporate headquarters building is a single tenant office building similar to government office building. Saturday trip rates were based on the ratio of PM average rate for corporate headquarters building to PM average rate for general office building, multiplied by the Saturday peak rate for general office building. 21 PM trip rate is based on Consultant's Report on the Transportation and Parking Impacts for the Proposed Shamrock Marketplace Shopping Center Expansion, September 8, 2000. AM, Saturday, and daily trip rates based on ITE Trip Generation 6th ed. Land Use Database_ Update_060506Als Footnotes Source: TKJM Transportation Consultants. 'A Traffic Study for the Proposed Fallon Crossings Development' September 28, 2005. Page 6 22 Trip rates based on proposed trip generation provided by TJKM, as part of Revised Draft Traffic Study for the Proposed Silveria Ranch Development in the City of Dublin, August 29, 2003. Daily and Saturday peak trip rates are average rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 23 BART traffic based on Table 4.5 -5 Dublin Trip Generation - Proposed Project from Draft Supplemental Environmental Impact Report for the West Dublin/Pleasanton BART Station and Transit Village Project, November 2000. Saturday peak hour trips were determined from the ratio between daily weekday BART trips and Saturday BART trips (42 %d obtained from BART system wide ridership data). Saturday peak hour trips were calculated by using the same ratio as weekday PM peak hour /Daily trips (12.4 %). In and out trips were determined by using the same split as the weekday PM peak hour (30% in and 70% out). 24 Trip generation based on Supplemental Traffic Circulation Analysis for the Proposed Commerce One Project, City of Dublin, December 22, 2000. Saturday rate based on ITE trip generation for Corporate Headquarter (714). Trips are not shown because IKEA project will replace this development. 25 Trip rates based on proposed trip generation provided by TJKM, as part of Final Traffic Study for the Proposed Fairway Ranch Development in the City of Dublin, April 15, 2003. Daily and Saturday peak trip rates are average rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 26 Saturday and weekday trip generation rates based on High School land use (530). 27 Trip rates based on assumptions in Traffic Impact Study for Dublin Valley Christian Center Proposed Expansion, May 2001. 28 Trip rates based on proposed trip generation provided by TJKM, as part of Draft Final Traffic Study for the Proposed Dublin Ranch West Development in the City of Dublin, August 26, 2003. Daily and Saturday peak trip rates are average rates from the ITE Trip Generation, 6th Edition, according to the guiding principles stated in the Trip Generation Handbook, October 1998. 29 25% reduction in trips due to proximity to the East Dublin BART Station, City of Dublin Consultant's Report: Transportation Impacts For the Proposed Dublin Transit Center, April 27, 2001. 30 Based on City of Dublin Consultant's Report: Transportation Impacts For the Proposed Dublin Transit Center, April 27, 2001, the proposed BART parking structure would not add any additional parking spaces to the existing East Dublin BART station. Currently, there are 1,680 existing surface parking lot spaces for the BART station. These surface spaces would be replaced by the proposed 1,680 -space BART parking structure. Therefore, the proposed BART parking structure would not result in additional traffic volumes on the surrounding street network. 31 15% reduction in trips to account for residential /employment interaction and increased use of transit due to proximity to the East Dublin BART Station, City of Dublin Consultant's Report: Transportation Impacts For the Proposed Dublin Transit Center, April 27, 2001. 32 Specialty retail rates obtained from City of Dublin Consultant's Report: Transportation Impacts For the Proposed Dublin Transit Center, April 27, 2001. Land Use Database_Updale_060506.xls Footnotes Source: TKJM Transportation Consultants. 'A Traffic Study for the Proposed Fallon Crossings Development.' September 28, 2005. Page 7 33 According to the Dougherty Valley General Plan, Specific Plan, and Related Technical Appendices, June 1992, only 13 percent of the Dougherty Valley traffic will travel through Eastern Dublin area via Tassajara Road and Dougherty Road, therefore only those trips are reflected in the trip generation table. Trip rates are based on average rates from the ITE Trip Generation, 6th Edition. 34 Trip rates are based on ITE rates for Electronic Superstore (863). Saturday trip rates were derived by applying the Saturday /PM peak ratio for Home Improvement Superstore (862) to the PM peak rate for Electronic Superstore. Land Use Database_Update_060506.)ds Footnotes Source: TKJM Transportation Consultants. "A Traffic Study for the Proposed Fallon Crossings Development" September 28, 2005. 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O V N � O O Lf) ti O N � N O O Z� M N O �- �— J m 00 N O CO r r O r O r` r N (D t` r O h r Z (`') V V' 0) V' V h m � m v w co o > Cl) U) ti ¢ ro O FC O U o y U Q) � M m R G d O) C a (6 � O L 4 E p a G 4 E p CL N N > N OA o N N E O` a d d a 7 p N7 O a m O to O 7� o C V1 3 >Qa °) >Ua> >UC. rna d� G a c� c a c :.a —� ma dv da m X Q co (NO Q (0 3 lin (0 Q R W m m m m ca N 4 00 r r r (D N O N O N O WN ~ O (D �' O O (O (D � WO � - - O -O -00 W I� �IO CD It o IN IO I(D IO m O� 00 d�" ti M ti N r r r r fn l4 LO V I O (`7 l O l m t0 N M O M O (.Nj W (() N m N O V' O Z d' O) r r r (O m m (O 10 O^ O M OJ Z (D OJ ! �i '� 4 m (00 ^ N O N O co (OD Z V' to LO LO to O �I G m v y O ? d _ oCL ZR N h �a o � Q d > U m a (D z d a 0] m a `c a E a G G 3 y a a n d w C E Q. O > ° d � c _ o m Y r- d \ 0 E fa U) O `N m C Cn C6 > ~ it c (9 ° o 0 o N d a' 'H j M M M O O fl- co mJ' 7 ^ r O r O r V m to LO O tO O (~D W W h�O tN C. J N Co O^ ti Q1 r to ti O M M O N D) M N ^ U co O r I— On f" N d co M V. CO ^ ti h ~ R 7 N N r u N O (o ^ U) O CD O m to to O U') Q) 0) N it m N m to LO 0 tO O to ;: LO 0 to mCO M �' O n to t~ H C,) M N e- N eN- 11 LO V C) (C) O V Z� J C(D m N N O N O N M C(D N O N Wco M O M O co co O M m LO to o to atom V) ^ r r r N r r J CD O CD Op w^ m, M 00 CA N N Ch N N � ^M W Co COD to to O CD � M fl O Cm O m M er h co O N - O ^- r i co O r O r m r ~ f'. ti C7) co M r 00 to co J M m O O O O O O r 0 0 0 Z F- f� ti (� O Lo M LO Cl) O M M Cl) Z M M i M 0) Cl) J O W O Z00 co 000 CO co 000 > d E .0 co m o co Cn O F- O f� Q d > m LL L C, E E 4 d aci o ti m> O d Q tYS U L j N � d d >oo` d 0 a d d � ut CL o a o 0 3 .7E o 0� 3 >Qa a >'oF> >Un. CU d C d 3 d d C d d j aa j d C° d d d N 'xQ N� mQ m 7 im mQ m W M m m m m a' 'H j M M M O O fl- co mJ' 7 ^ r O r O r V m to LO O tO O (~D W W h�O tN C. J N Co O^ ti Q1 r to ti O M M O N D) M N ^ U co O r I— On f" N d co M V. CO ^ ti h ~ R 7 N N r u N O (o ^ U) O CD O m to to O U') Q) 0) N it m N N O N O N LO Z mCO M �' O n to t~ Z C,) M N e- N eN- V C) (C) O V Z� C(D ° nt C d V 4f N d m'o'o E.�a d 3 o a o c? o >Qdw' >va> o N d j d d O x Q cc cc m � W m m m m ❑Kimley -Hom and Associates, Inc. APPENDIX D - LEVEL OF SERVICE WORKSHEETS: BASELINE CONDITIONS INTERSECTION: — ... '.ux:uaaura q.HrHWTY ANALYSIS vet, 2.35 12/05/05 1 N-S STREET:D000HERTY RD. E -U STREET:DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN - (COUNT of DATE: TIME :BASELINE METHOD :CCTA PEAT{ HOUR :AM # OF PHASES RIGHT THRU LEFT NS SPLIT ? 8 177 1291 550 NO N __-FILES-- --- FILES - J 4! S E o u LEFT 116- - B 2.0 1.1 41 2.0 1.0 1- D 409 RIGHT = THRU 642 --W- 3.0 «O. OF LANES) 3.0 A- 857 THRU E RIGHT 382 1 =� e 2.5 X3.0 3.0 2.S 3.0 488 LEFT 2 -� El! SPLIT ? 3 e NO 741 652 491 NB CUC:L = 0.1722 Ell CUC:T = 0.1297 SB CUC:TR = 0.2224 Iglu nuns AL U/C 4 -i UOLUME=1 2= 8= 0.64 ro 9wn INTERSECTION.—— "'lmrsz)hW1uN CAPACITY ANALYSIS vei- 2.35 12/S i DUBLIN RD. E -4! STREET:DUBLIN JURdSDICTdON:CITY OF DUBLIN COUNT DATE: TIME :BASELINE METHOD :CCTA #1OFfPHASES RIGHT THRU LEFT HS SPLIT ? FEAR HOUR :PM 8 137 691 510 NO T*A FIL: g I W LEFT @--j 2.0 i.i 4.1 2.0 1.0 L 451 RIGTHRU 1075 - + 3.0 <NO. OF LANES? 3.0 4- 882 THRRIGliT 57i A -� 2.5 3.0 3.0 2.5 3.0 548 LEFE4! SPLIT e NO - e 768 154 623 UOLUME 2 7_ CUC:T = 0.2190 8= CUC:T = 0.2172 TOTAL U/C 9= CUC:L = 0.1700 .CUC:L = 0.1273 LOS ­­­ -_ C CAP= N -S STREET :HACIENDA DR. INTERSECTION: 2 JURISDICTION :CITY OF DUBLIN TIME :BASELINE — �CO2NofDAi4e NS TIGHT THRU LEFT SPLIT ? # OF PHASES 1243 ® NO 2� LEFT 1106 ---, 2.0 1.9 3.0 0.0 @.0 e- THRU 0--+ 0.0 (NO. OF LANES) 0.0 �— RIGHT 1446 -1 2.0 0.0 3.0 1.9 0.0 � r- v--' E4s SPLIT ? 0 608 E 211 NO NB CUC:L = 0.0000 TOTAL U/C Ell CUC:R = 0.4418 LOS SB CUC:T = 0.2302 S uARRANT up CUC:L = 0.0000 CCTA 1P�trtsasc + +vow ~ INTERSECTION: 2 N STREET :HACIENDA DR. JURISDICTION :CITY OF DUBLIN TIME :BASELINE COUNT DATE: — 2 F 14 RIGHT THRU LEFT ® NO SPLIT ? # OF PHASES � iy g70 2 LEFT g81- -� 2.0 1.9 3.0 0.0 0.0 '— THRU 0__�,. 0.0 (No. OF LANES) 0.0 RIGHT 460-1 2.0 0 -0 310 1.9 @-® EU SPLIT ? 0 1664 766 NO NB CUC:T = 0.3081 TOTAL U/C tzR CUC:L _0:®00a S® WARRANT INTERSECTION: 3 N -S STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE ROFfPHASES BIG14T THRU LEFT NS SPLIT ? 2 679 510 0 NO NB CUC:T = 0.3606 EB CUC :R = 0.0000 SE CUC:L = 0.0000 UR CUC:L = 0.2463 veil G.35 16 /UZ31lub E -U STREET :I -580 UB RAMPS METHOD :CCTA PEAK HOUR :AM N W-¢-E S A 2.0 ' 341 RIGHT 0.0 -4- 0 THRU 2.0 806 LEFT UOLUME =1 TOTAL U/C 0.61 LOS B S UARRANT(U.R) Y.Y INTERSECTION: 3 N -S STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE 3 of 14l It OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 1247 862 0 NO I LEFT 0 0.0 THRU 0-+ 0.0 RIGHT 0-j 0.0 E4! SPLIT ? NO -4� 1.9 3.0 0.0 2.0 L- (NO. OF LANES) 0.0 4- 00.0g 2.0 1.9 2.0 Al' i 0 1418 1126 vel, t. i5 1L /vS /M E -41 STREET:I -580 WB RAMPS METHOD :CCTA PEAK HOUR :PM S 313 RIGHT 0 THRU 357 LEFT UOLUME=2 NB CUC:T = 0.3939 EB CUC :R = 0.0000 TOTAL U/C 0.50 SE CUC :L =0.0000 LOS A UR CUC:L = 0.1091 S WARRANT(U..R) Y,Y CAP= LEFT 0-j 0.0 1.9 3.0 0.0 THRU 0-+ 0.0 SNO. OF LANES) RIGHT 0-' 0.0 0.0 2.0 1.9 EU SPLIT ? NO 0 1298 380 NB CUC:T = 0.3606 EB CUC :R = 0.0000 SE CUC:L = 0.0000 UR CUC:L = 0.2463 veil G.35 16 /UZ31lub E -U STREET :I -580 UB RAMPS METHOD :CCTA PEAK HOUR :AM N W-¢-E S A 2.0 ' 341 RIGHT 0.0 -4- 0 THRU 2.0 806 LEFT UOLUME =1 TOTAL U/C 0.61 LOS B S UARRANT(U.R) Y.Y INTERSECTION: 3 N -S STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE 3 of 14l It OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 1247 862 0 NO I LEFT 0 0.0 THRU 0-+ 0.0 RIGHT 0-j 0.0 E4! SPLIT ? NO -4� 1.9 3.0 0.0 2.0 L- (NO. OF LANES) 0.0 4- 00.0g 2.0 1.9 2.0 Al' i 0 1418 1126 vel, t. i5 1L /vS /M E -41 STREET:I -580 WB RAMPS METHOD :CCTA PEAK HOUR :PM S 313 RIGHT 0 THRU 357 LEFT UOLUME=2 NB CUC:T = 0.3939 EB CUC :R = 0.0000 TOTAL U/C 0.50 SE CUC :L =0.0000 LOS A UR CUC:L = 0.1091 S WARRANT(U..R) Y,Y CAP= CCTA INTERSECTION CAPACITY ANRLYZM; veil Z. lb 1Z/0t)/kj5 INTERSECTION: 4 N-S STREET:HACIENDA DR. E-U STREET:DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: METHOD :CCTA TIME :BASELINE PEAR HOUR :AM 4 of 14ES PEflJ( HOUR :PM 4 of 14l OF PHAS RIGHT TH439 RU LEFT NS SPLIT ? 14 ----�- FILES--- 8 124 24 NO t-) --j -E A =� 373 L+ S B= C= A LEFT 185 2.0 1.0 3.0 2.0 1.1 14 RIGHT D= C= LEFT 41S 2.0 E= THRU 545-+ 3.0 (NO. OF LANES) 3.1 A- 787 THRU E= THRU 914-+ 3.0 2 OF LANES) 3.1 4- '730 THRU RIGHT 432---1 2-5 3.0 2.0 2.0 2.0 149 LEFT 3= 7 A F+ 3.0 4=11 5= 2.0 2.10 124 LEFT EU SPLIT ? NO 341 I 886 201 G= F-4- 4=1. I 5= UOLUME=1 7= 471 393 6= 8= NB CUC:T =0.2685 UOLUME=2 9= EB CUC:L =0.0617 TOTAL U/C 0.50 SE CUC:L =0.0080 NB CUC:L =@.iiSS LOS A CAP= UE CUC:TR =0.1618 9= S UARRANT(U,R> Yly -PRN=PRN GGIfi Jhjhji!;tUllUN k;HrHL;IIY HNHLY41,5 ver 6-15 INTERSECTION: 4 N-S STREET:HACIENDA DR. E-t! STIREET:DUBLIN BLVD. JURISDICTIOH:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASELINE PEflJ( HOUR :PM 4 of 14l OF PHASES RIGHT THRU LEFT NS SPLIT ? N 373 1329 60 NO C= LEFT 41S 2.0 1.0 3.0 2.0 1.1 151 RIGHT D= E= THRU 914-+ 3.0 (NO. OF LANES) 3.1 4- '730 THRU 2 RIGHT 339--j 2.5 3.0 2.0 2.0 2.10 124 LEFT 3=• EU SPLIT ? I F-4- 4=1. I 5= NO 497 471 393 6= UOLUME=2 7- 8= NB CUC:L =@.iiSS 9= EB CUC:L =0.1393 TOTAL U/C 0.70 SB CUC:T =0.2685 LOS B CAP= UB CUC:TR =0.1780 S UARRANT(U,]R> Y,y PRN=PRN CCIA IWERSECT10H GRFRU11Y HNRLYSIU vex, Z..Jb lz/ub/ub INTERSECTION: 6 N-S STREET:TASSAJARA ED. E-tJ STREET:I-580 WB RAMPS JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BASELINE PEAH HOUR :AM 6 of 14 R OF PHASES RIGHT THRU LEFT US SPLIT ? N ----- FILES-- 2 1379 1358 0 NO U-+-E A =ii Ltl- S B= A -4 C= LEFT 0' 0.0 1.9 3.0 0.0 2.0 591 RIGHT D= E= THRU 0-4- 0.0 <NO. OF LADIES? 0.0 4- 0 THRU i= 2=1 2 ---v RIGHT 0j 0.0 0.0 RIGHT 0--j 0.0 0.0 2.0 1.9 2.0 662 LEFT 3=, MIME A r--+ I Ell SPLIT ? 4=11v 0 ji= j F* 0 5= NO 0 1487 771 6= UOLUME=2 ?= UOLUME=i ?= 8= NB CuC:T =0.5875 8= NB CUC:T =0.4131 9= EB CUC:R =0.0000 9- EB CUC:R =0.0000 ;? �r , �� TOTAL U/C 0.62 LOS SE CUC:L =0.0000 CAP= LOS B CAP= OR CUC:L =0-2023 PRN=PRN S UARRANT<U,R> Y'Y PRN=PRN Culn INIERSEU110N unrflully HNHLyuiu ve• z.jb 1z/05/ob INTERSECTION: 6 N-S STIREET:TASSAJARA RD. E-11 STREET--I-580 UB RAMPS JURISDICTION:CITY OF DUBLIN METHOD --CCTA COUNT DATE: TIME :BASELINE PEAR HOUR :PM 6 of 141 D OF PHASES RIGHT THRU LEFT HS SPLIT ? N --- FILES - -- 2 842 1555 0 NO U-J-E 0 A=M Ltl- 8 B= A -4 C= LEFT 0 0.0 1.9 3.0 0.0 2.0 453 EIGHT D= E= THRU 0-+ 0.0 (NO. OF LANES) 0.0 -4- 0 THRU i= 2=1 ---v RIGHT 0j 0.0 0.0 2.0 1.9 2.0 478 LEFT 3= Ell SPLIT ? -4-1 A r--+ I 4=11v 0 ji= NO 0 2115 602 G= UOLUME=2 ?= 8= NB CuC:T =0.5875 9= EB CUC:R =0.0000 TOTAL U/C 0.73 ;? �r , �� SE CUC:L =0.0000 LOS C CAP= tffl (Ur:T, =0-146O R DARRANT01-11) Y-Y PRN=PRN CIA INTERSECTION CAPRCIIY HNHLY;I:S vez- G. .jS x4luz)iUZ) INTERSECTION: 7 N -S STREET:TASSAJARA RD. E -11 STREET:DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: COUNT DATE: TIME :BASELINE PEAK HOUR :AM 7 of 14 7 of 14 Il OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- g 317 2 50 NO 4F-{ -E ♦ A =u O A =@ 182 S B= C= B= C= -1� V A. 4 LEFT 107- 2.0 2.0 4.0 1.0 1.1 °- 2? RIGHT D= D= E= THRU 180-- 2.0 (NO. OF LANES) 2.1 A- 255 THRU 1 =' 1 =° + 2 =r 2 =i' + RIGHT 329-+ 2.5 3-.0p 2.0 1.0 1.0 r- 371 LEFT 3 =° 3 =' + A + v 4=m' 5= lWiWklFW Et,P SPLIT ? I 0 I NO NO 417 990 145 6'= 6= VOLUME =2 VOLUME =1 7= 8= 8= NB CUC:L = 0.0969 9= 9= EB CUC :T = 0.0545 TOTAL U/C TOTAL U/C 0.71 SE CUC:L = 0.0194 SB CUC:T = 0.3306 LOS LOS C CAP= UB CUC:L = 0.2248 S 4IARRANT(U.R)_ S_SJ_ARRANT(U,R) Y,Y PRN =PRN CTA INTERSECTION CAPACITY RNHLYU14 ver L.jb iZ /n5/vZ) INTERSECTION: 7 N -S STREET:TASSAJARA RD. E -t! STREET :DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASELINE PEAT{ HOUR :PM 7 of 14 It OF PHASES RIGHT THRU LEFT NS SPLIT ? N - FILES - - -- 8 176 954 32 NO 4I-$ -E O A =@ � Lt, S B= C= A 4 LEFT 676' 2.0 2.0 4.0 1.0 1.1 43 RIGHT D= E= THRU 102-+ 2.0 (NO. OF LANES) 2.1 A- 12? THRU 1 =° + 2 =i' + RIGHT 673-1 2.5 3.0 - 2.0 1.0 1.0 r 202 LEFT 3 =' + 5= E!€ SPLIT ? NO 528 1476 141 6'= VOLUME =2 7= 8= NB CUC:T = 0.4473 9= EB CUC:L = 0.2253 TOTAL U/C 0.74 SE CUC:L = 0.0194 LOS C CAP= UB CUC:TR = 0.0515 S 4IARRANT(U.R)_ Y,Y PRN =PRN 4lulH fPIIat'AZS EuLlvm I.HrH0.,aaY r1F4r1LYSSJ Vea' &.JS r71 /1 -! /G INTERSECTION: 8 N -S STREET:TASSAJARA RD. E -49 STREET:FALLON RD. JURISDICTION :CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASELINE PEAR HOUR :AM 8 141 # OFT PHASES RIGHT THRU LEFT NS SPLIT ? N -----FILES - 3 943 28 2 NO li -j--E ♦ A I � S B= L -4� V 't C= LEFT 568-3 2.0 1.0 1.0 1.0 1.0 r- 5 RIGHT D= E= THRU 15-* 1.1 <MO. OF LANES> 1.0 -i- 45 THRU 1 =° e �s4E 2= RIGHT 34-1 1.1 1.0 1.0 1.0 1.0 2 LEFT 3= F EW SPLIT ? 1.0 1.0 1.0 Al 3= 4= 5= NO 83 30 0 4= 5= 6= 46 9 2 UOLUME =1 7= UOLUME =2 7= 8= 8= NB CUC:L = 0.0483 9= ED CUC:L = 0.1816 TOTAL U/C 0.62 ° SB CUC :R = 0.3669 LOS B CAP= OR CUC:T = 0.0262 S UARRANT<H_R) Y_Y PRN =PRN l,taH a"T; arc.aavm ?HrHlatY "NHLY.71°7Y VeP L.11S n- r /1-r/Ua INTERSECTION: 8 N -S STREET:TASSAJARA RD. E -41 STREET:FALLON RD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASELINE PEAR HOUR :PM -� 8 of 14 R OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- 3 728 52 5 NO W-j-E ♦ A =i€ S B= L -4� V 't C= LEFT 1107 -° 2.0 1.0 1.0 1.0 1.0 3 RIGHT D= E= THRU 32--6} 1.1 (NO. OF LANES) 1.0 - 30 THRU 1 =° e �s4E 2 =i` $ .4: RIGHT i5l---1 i.1 1.0 1.0 1.0 1.0 1 LEFT 3= End SPLIT T ? 4= 5= NO 46 9 2 6= UOLUME =2 7= 8= NB CUC:L = 0.0269 9= ED CUC:L = 0.3540 TOTAL U/C 0.47 Em SB CUC:R = 0.0692 LOS A CAP= OB CUC:T = 0.0174 S WARRANT<U�R> Y,Y PRN =PRN INTERSECTION: 9 H -S STREET:FALLON RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE -� 9 of 14 R OF PHASES 3 A LEFT 33-1 RIGHT 51 4-1 1.0 1.0 THRU G22 V 1.0 LEFT HS SPLIT ? 0 NO Li�- A 0.0 0.0 THRU 0-+ 0.0 RIGHT 207-0 2.0 ELJ SPLIT ? NO NB CUC:L = 0.0189 EB CUC:R = 0.0560 SE CUC:T = 0.3616 WE CUC:L = 0.0000 (NO. OF LANES) 0.0 A- 2.0 1.0 0.0 0.0 E- �� F 59 295 0 TOTAL U/C LOS S UARRANT(U.R) INTERSECTION: 9 N -S STREET:FALLON RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE ##gOFfPHASES RIGHT THRU LEFT HS SPLIT ? 3 35 557 0 NO LEFT 49-j 1.0 1.0 1.0 0.0 0.0 L THRU 0-+ 0.0 (NO. OF LANES) 0.0 -4- RIGHT ii0---1 2.0 2.0 1.0 0.0 0.0 E4�F SPLIT ? 0 NO 206 662 0 NB CUC:L = 0.0659 EB CUC:L = 0.0285 TOTAL U/C SB CUC:T = 0.3238 LOS WE CUC:R = 0.0000 S WARRANTCU.R) vet' Z.JS 1L /F75 /ob E -W STREET:DUBLIN BLUD. METHOD :CCTA PEAR HOUR :AM 5= 6= UOLUME =1 7= 9= Im 0.44 CAP= ver L_35 1L /05 /Ub E -4P STREET:DUBLIN BLUD. METHOD :CCTA PEAR HOUR :PM !UBTIN '41-5- - 5 RIGHT 7, 5 THRU M aUOL� M 'UOL3 0 LEFT 5= 6= UOLUME =1 7= 9= Im 0.44 CAP= ver L_35 1L /05 /Ub E -4P STREET:DUBLIN BLUD. METHOD :CCTA PEAR HOUR :PM INTERSECTION: 10 N -S STREET:EL CHARRO RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE 10 of 14 R OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 332 1 ( 61 0 NO A 4-1 V � - l A LEFT 104 2.0 1.9 1.0 0.0 0.0 '- THRU 0-+ 0.0 (NO. OF LANES) 0.0 4- RIGHT 66-1 1.0 0.0 2.0 1.9 0.0 r- Et! SPLIT ? Al NO 0 89 15 NB CUC:L = 0.0000 Ell CUC:R = 0.0367 SE CUC:T = 0.0339 TOTAL U/C LOS INTERSECTION: 10 N -S STREET:EL CHARRO RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASELINE -1 10 of 14 It OF PHASES RIGHT THRU LEFT HS SPLIT ? 2 930 150 0 NO V LEFT 236 2.0 1.9 1.0 0.0 0.0 �- THRU 0-+ 0.0 (NO. OF LAHES3 0.0 -4- RIGHT 55­1 1.0 0.0 2.0 1.9 0.0 r-- E _4� F Al v tf -SPLIT ? NO 0 80 17 HE CUC:L = 0.0000 EB CUC :L = 0.0721 TOTAL U/C 813 CUC:T = 0.0278 LOS veal Z.s5 IZ /ob"05 E -td STREET =I -580 ED RAMPS METHOD :CCTA PEAK HOUR :AM - ,FILES---- - 4l-[ ♦ S B= C= 0 RIGHT D= E_ 0 THRU 1 =' a 2 =i' e 0 LEFT 3 =' v 4 =r o 5= 6= VOLUME =1 7= 8= 9= 0.07 F A CAP= C:C1H ImItlistullUN U"Ffi :lIY HNHLYN14 ver G..jb 1G/0!3 /0S INTERSECTION: 11 N -S STREET:FALLON RD. E -41 STREET:I -580 UB RAMPS JURISDICTION :CITY OF DUBLIN METHOD :CCTA COUNT DATE: DUBLIN TIME :BASELINE PEAF HOUR :AM ii of 14 TIME :BASELINE PEAK HOUR :PM R OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES - - - -- 2 320 356 0 NO U- -E m A =iw : tV U OF { L-�- S B= ? N ----- FILES- - - - - -- 2 291 LEFT 0-' 0.0 1.0 2.0 0.0 2.0 ° - 122 RIGHT D= { S B= E= THRU 0-+ 0.0 (NO. OF LANES) 1.1 -4- 10 THRU C= LEFT 0-F 0.0 1.0 2.0 0.0 2.0 1- 341 RIGHT D= 2 =i° RIGHT 0---' 0.0 0.0 2.0 1.9 2.1 29 LEFT 3 =° <NO. MR v E9 SPLIT ? 1= v { 4 =i° 5= NO 0 98 107 6= RIGHT VOLUME =1 7= 2.0 1.9 2.1 T-- 6 LEFT 3 =° 8= NB CUC:L = 0.0000 ? { 9= EB CUC:L = 0.0000 NO TOTAL U/C 0.22 lomme 0 SE CUC:R = 0.1778 6= LOS A CAP= IIR CUC:R = IA_0373 UOLUME =2 S UARRANT(U.R} N.N PRN =PRN UU1H 1N1h143hUllUN UHYHUllY HNHLY51Zi t8el. G.Ilb ].LOYJ� /k75 INTERSECTION: 11 N -S STREET:FALLON RD. E -W STREET =I -580 UB RAMPS JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASELINE PEAK HOUR :PM --{ ii of 14 U OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- 2 291 943 0 NO W-i-E m A =101,101VEMIMMEMM { S B= L e V, t. C= LEFT 0-F 0.0 1.0 2.0 0.0 2.0 1- 341 RIGHT D= E= THRU 0-+ 0.0 <NO. OF LANES> i.i 4- 0 THRU 1= � RIGHT 0-e 0.0 0.0 2.0 1.9 2.1 T-- 6 LEFT 3 =° EW SPLIT ? { 4 =1 e 5= NO 0 943 291 6= UOLUME =2 7= 8= NB CUC:T = 0.2619 9= EB CUC:L = 0.0000 TOTAL U/C 0.37 SD CUC:L = 0.0000 LOS A CAP= . WE CUC:R = 0.1042 S WARRANT(U.R) Y.Y PRN =PRN CCIA INTERSECTION CAPACITY ANALYSIS vet• Z.,Jb IL /Bb/0 INTERSECTION: 12 N-S STREET:FALLON RD. E-W STREET:STREET "E" JURISDICTION-CITY OF DUBLIN METHOD -CCTA COUNT DATE: COUNT DATE: TIME :BASELINE PEAR HOUR :AM 12 of 14 HOUR PM 12 of 141 9 OF PHASES EIGHT THRU LEFT HS SPLIT ? N -----FILES - 2 8 0 37 NO 11-+-E s A o A I L+ 6 B= C= B= C= v k LEFT 2 1.0 1.0 0.0 1.0 1.0 li RIGHT D= D= E= THRU 69-+ 1.0 (NO. OF LANES) 1.0 A- 118 THRU 12 A i: RIGHT 0---j 0.0 0.0 0.0 0.0 0.0 0 LEFT 3=1 v I 4 F+ 4=1' 0 5= Et) SPLIT ? NO I 0 0 NO 0 0 0 UOLUME=2 6= UOLUME=i 7= NB CUC:R =0.0000 8= NB CUC:R =0.0000 TOTAL U/C 0.14 9= EB CUC:L =0.00ii TOTAL U/C 0.09 Immm SE CUC:L =0.0206 LOS A CAP= CGIR INIERSEC11UN unrHully HNHLY616 ver z..jz) Xz/WZ)"u INTERSECTION: 12 N-S STREET:FALLON 'RD. E-W STREET:STREET "E" JURISDICTION:CITY OF DUBLIN METHOD CCTA COUNT DATE: TIME :BASELINE PEAR HOUR PM 12 of 141 # OF PHASES RIGHT THRU LEFT HE SPLIT ? N -----FILES - 2 5 0 22 NO t-l-i-E o A S B= C= LEFT 6 1-0 1.0 0.0 1-0 1.0 36 RIGHT D= E= THRU 22G-+ 1.0 <NO. OF LANES) 1.0 -4- 52 THRU i: 2 RIGHT 0--j 0.0 0.0 0.0 0.0 0.0 0 LEFT 3= 0� v EU SPLIT ? -4-1 A I 4=11. 0 NO 0 0 0 UOLUME=2 ?= 8= NB CUC:R =0.0000 9= EB CUC:T =0.1256 TOTAL U/C 0.14 SE CUC:L =0.0122 LOS A CRP= - --T _a nman 0 Tp% 0.t tj ppm=ppm ❑ ❑ Nmley -Hom and Associates, Inc. APPENDIX E - LEVEL OF SERVICE WORKSHEETS: BASELINE PLUS PROJECT CONDITIONS A INTERSEGIIUN CHFRCiFY HNHLYSI:i UCP L.J:3 1ziruzWz) INTERSECTION: 1 WE STREET:DOUGHERTY RD. E -11 STREET: DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN JURISDICTION:CITY OF METHOD :CCTA COUNT DATE: COUNT DATE: TIME :BASE +PROJECT PEAK HOUR :AM I 14 -[ 1 of 14 # OF£PHASES RIGHT THRU LEFT NS SPLIT ? N --- FILES -- 8 177 1291 551 NO ta-} -E ♦ A =ia L-11 S B= C= S -I� A LEFT 116-' 2.0 1.1 4.1 2.0 1.0 '- 411 RIGHT D= RIGHT D= E= THRU 644 ---- 3.0 (NO. OF LANES) 3.0 A- 864 THRU 1 =° � 1 =° 2 RIGHT 382- -1 2.5 3.0 3.0 2.5 3.0 488 LEFT 3= LEFT 3 =° e v Eta SPLIT ? ® V 1 Eta SPLIT NO 768 1084 623 NO 741 652 491 6= 7= VOLUME =3 7= 8= NB CUC:T = 0.2190 8= NB CUC:L = 0.1722 ED CUC:T = 0.2188 TOTAL U/C 9= ED CUC:T =0.1301 SB CUC:L = 0.1707 TOTAL U/C 0.64 C SB CUC:TR = 0.2224 em nlln.t -ta -0O*lO LOS B CAP= GGTA INIERSEM UN GRPHGIIY HMHLY616 vet- &..ib 1Lin5in� INTERSECTION: 1 N -S STREET:DOUGHERTY RD. E -td STREET:DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE +PROJECT PEAK HOUR :PM -[ 1 of 14 R OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- 8 137 691 512 NO S B= C= LEFT 223 2.0 1.1 4.1 2.0 1.0 °- 452 RIGHT D= E= THRU 1083 -4. 3.0 (NO. OF LANES) 3.0 A- 887 THRU 1 =° 2 RIGHT 571 2.5 3.0 3.0 2.5 3.0 r- 548 LEFT 3 =° e v Eta SPLIT ? ® V 1 4! 5= NO 768 1084 623 6= UOLUME =4 7= 8= NB CUC:T = 0.2190 9= ED CUC:T = 0.2188 TOTAL U/C 0.74 SB CUC:L = 0.1707 LOS C CAP= em nlln.t -ta -0O*lO n IIAn tkLITlIi 'D1 u U 'DIM -PTA] INTERSECTION: 2 N -S STREET:HACIENDA DR. JURISDICTION :CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJECT 2 of 14 U OF PHASES RIGHT THRU LEFT US SPLIT ? 2 163 1245 0 NO A .4J 1 V �r A LEFT 1106 -' 2.0 1.9 3.0 0.0 0.0 0- THRU 0---b 0.0 (N0_ OF LANES) 0.0 A- RIGHT 1446 ---E 2.0 0.0 3.0 1_9 0.0 I T Etf SPLIT ? NO 0 609 211 NB CUC:L = 0.0000 EB CUC:R = 0.4418 TOTAL U/C SE CUC :T = 0.2306 LOS UR CUC:L = 0.0000 S WARRANT INTERSECTION: 2 N -S STREET:HACIENDA DR. JURISDICTION :CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJECT -� 2 of 14 # OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 419 871 0 NO 4� LEFT 981 2.0 1.9 3.0 0.0 0.0 t- THRU 0-+- 0.0 (NO_ OF LANES) 0.0 -4- RIGHT 460-2 2.0 0.0 3_0 1.9 0.0 r- A-] 0 Et# SPLIT ? NO 0 i666 766 ND CUC:T = 0.3085 EB CUC:L = 0.2997 TOTAL U/C SE CUC :L =0.0000 LOS WE CUC :R = 0.0000 S WARRANT veil L.35 1L /b5 /b5� E -td STREET :1 -580 EB RAMPS METHOD :CCTA FEAT{ HOUR :AM N ----- FILES - - - - -- W-J-E ♦ A= w S B= C= 0 RIGHT D= E= 0 THRU 1= 2 =r e 0 LEFT 3 =' a 4 5= 6= VOLUME =3 7= S= 0.67 B CAP= Y.Y I PRN =PRN VBk' L_�5 1z/M/b5 E -U STHET:1 -580 EB RAMPS -ZCTA INTEES CTION CAPACITY ANALYSIS UCIL• Z.Jb lZ/uZ)/l55 INTERSECTION: 3 N-S STREET:HACIENDA DR. E-tl STREET.,1-580 UB RAMPS JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME BASE+PROJECT PEAR HOUR :AM 3 of 141 OF PHASES RIGHT THRU LEFT NS SPLIT H 2 679 512 0 NO A B= C= LEFT 0 0-0 1-9 3.0 0.0 2-0 341 RIGHT D= E= THRU 0—+ 0.0 (NO- OF LANES> 0.0 4— 0 THRU i-- - a 2= m 0--j 0.0 0.0 2-0 1.9 2.0 F-- 806 LEFT T, RIGHT ! Et! SPLIT ? -,--I I F+ 5= NO 0 1299 380 6= UOLUME=3 7= 8= NB CuC:T =0.3608 9= EB CUC:R =0.0000 TOTAL U/C 0.61 SB CUC:L =0.0000 LOS B CAP= WE CUC:L =0.2463 S WARRANT0,115 Yly PRN=PRN INTERSECTION: 3 N-8 STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :13ASE+IPROJECT 3 of 14 8 OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 1247 863 0 NO LEFT m EW SPLIT ? NO Riq I M4 15' il-Nlll� 0.0 2.0 1.9 0 1420 1126 uer Z.S:3 JLZ,,uZW"Z) E-W STREET:1-580 WB 'RAMPS METHOD CCTA PEAR HOUR :PM 313 RIGHT 0 THRU 2.0 357 LEFT UOLUME=4 TOTAL U/C 0.50 LOS A CAP= 0 0.0 1.9 3.0 0.0 2.0 (NO. OF LANES) 0.0 -4— EW SPLIT ? NO Riq I M4 15' il-Nlll� 0.0 2.0 1.9 0 1420 1126 uer Z.S:3 JLZ,,uZW"Z) E-W STREET:1-580 WB 'RAMPS METHOD CCTA PEAR HOUR :PM 313 RIGHT 0 THRU 2.0 357 LEFT UOLUME=4 TOTAL U/C 0.50 LOS A CAP= _­CCTA INTERSEG110M GAFRUlly RNHLY414 vet' z_iz) _LZ"Un.,t3z) INTERSECTION: 4 N-S STREET:HACIENDA DR. E-11 STREET:DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+PROJECT PEAT; HOUR :AM 4 of 14 R OF PHASES RIGHT THRU LEFT HS SPLIT ? N ---TILES B 124 439 24 NO AA T, C= LEFT 185 2.0 1.0 3.0 2.0 1.1 14 RIGHT D= E= THRU 550-+ 3.0 (NO. OF LANES) 3.1 A- 801 THRU I 2- RIGHT 432-1 2.15 3.0 2.0 2.0 2.0 151 LEFT 3 4­1 EU SPLIT ? NO 341 886 202 6= UOLUME=3 7= 8= NB CUC:T =0.2685 9= EB CUC:L =0.0617 TOTAL U/C 0.150 SE CUC:L =0.0080 LOS A CAP= till CUC:TR =0.1646 S IJARRANT(U,­R> Y,Y PRN=PRN CGIA INTERSEGTION GAFflully HNHLY616 INTERSECTION: 4 H-S STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE-i-PROJECT veil Z.J� _Ll/tjz)/U� E-U STREET-DUBLIN 13LUD. METHOD :CCTA PEAN HOUR :PM 4 of 14l R OF PHASES RIGHT 8 373 LEFT 418 2.0 :I_@ THRU LEFT HS SPLIT ? 1329 60 NO 3.0 2.0 1_1 151 N EIGHT _-FIL18- C= D= E= THRU 929-+ 3.0 (NO. OF LANES) 3.1 -4- 739 THRU i: 2 BIGHT 339-1 2.15 EW SPLIT 3.0 2.0 2-0 2.0 125 I F+ LEFT 3=. NO 497 471 395 6= UOLUME=4 7= 8= NB CUC:L =0.1155 iCAF= 9= UMUR rIUMMM; EB CUC:L =0.1393 TOTAL U/C 0.70 1 SE CUC:T =0.2685 LOS 13 GGIR jHJEhNLL;llUN UHrHL;IIY HNHLYhlZS veil Z.jb azllljlbl ub INTERSECTION: 5 N-S STREET:SANTA 'RITA 'RD. E-W STREET:] --580 EB 'RAMPS JURISDICTION:CITY OF DUBLIN METHOD --CCTA COUNT DATE: TIME :13ASE+'PROJECT TIME :EASE+PROJECT FEAR HOUR :AM 5 of 141 It OF PHASES RIGHT OF PHASES RIGHT THRU LEFT NS SPLIT ? N 660 __FILES_ U_} ­E 415 1392 183 NO W-i-E m A =jEREMIJIM B S ]B= 1-EFT 895 2.0 1.9 2.0 1-0 2.5 355 RIGHT D= C= LEFT 808 2.0 1.9 2.0 1.0 2.5 369 RIGHT THRU 157-+ 1.0 D= OF LAMES) 0.0 13 THRU 1 =° 1= o E= THRU 114-• 1.0 (NO. OF LANES) 0.0 -1— 0 THRU I 0.0 4.1 -1-1 2.0 T_ 175 LEFT 3= 2 =i' A, 7 RIGHT 429---1 1.9 0.0 4.1 1-1 2.0 136 LEFT 3= 7 IN) SPLIT ? 4­ 1 A r-+ 1 4=1' 15= NO 0 1127 91 6= UOLUME=3 7= 1 8= NB CUC:L =0.0000 EB CUC:L =0.2693 TOTAL U/C 0.70 SE CUC:T =0.4216 LOS B WR CUC:R =A_0i20 S WARRANT(U.11) Y-Y uui" i"ihm4miivN uHrHuiiy Hmhy4ib ver Z.ZlS INTERSECTION: 5 H-8 STREET:SANTA RITA 'RD. E41 STREET:I380 EB RAMPS JURISDICTIOH:CIIY OF DUBLIN METHOD "CCTA COUNT DATE: TIME :13ASE+'PROJECT PEAS HOUR :PM 'S of 141 It OF PHASES RIGHT THRU LEFT HS SPLIT ? K, ---FILES '? 660 1241 239 NO U_} ­E + A Lil S B I C= 1-EFT 895 2.0 1.9 2.0 1-0 2.5 355 RIGHT D= F= THRU 157-+ 1.0 (NO. OF LAMES) 0.0 13 THRU 1 =° 1= o 2 =r 2= --V RIGHT 4881 1.9 0.0 4.1 -1-1 2.0 T_ 175 LEFT 3= -4 A, 7 4=Lai I SPLIT ? I I I NO 0 1499 252 cuc."TE =0.2653 CUC:l =0.2983 CUC:L =0.1448 UOLUME=4 TOTAL U/C 0.171 LOS C CCTA INTERSECTION GAPAGtty nH6$LYSIzi Vex• C.JS _L44UD40:� INTERSECTION: 6 N —S STREET:TASSAJARA RD. E —U STREET :I580 UB RAMPS JURISDICTION :CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE +PROJECT PEAT( HOUR :AM —1 6 of 14 it OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- 2 1406 1383 0 NO ti—i-1 ® A =1a 2 860 '71 L_�_ S B= C= A S B= C= LEFT 0 —' 0.0 -1.9 3.0 0.0 2.0 1— 595 RIGHT D= LEFT 0 0.0 1.9 3.0 0.0 2_0 467 RIGHT E= THRU 0—+ 0.0 (NO. OF LANES> 0.0 A— 0 THRU 1 =° 1 (NO. OF LANES> 0.0 �— 0 THRU 1 =ml 2 =' 1 m, RIGHT 0-1 0.0 0.0 2.0 1.9 2.0 T-- 662 LEFT 3 =1° 1 v 2_0 1.9 2_0 �-- 478 A 3 = 4 =° lilm 5= Eta SPLIT ? I NO 0 1300 771 6= NO 0 UOLUME =3 7= 6= 8= NB CUC :T = 0.4167 9= Ell CUC:R = 0.0000 NB CUC:T = 0.5992 TOTAL UOC 0.62 SE CUC :L = 0.0000 EB CUC:R = 0.0000 LOS -- _ — B CAP= CCTA INTERSEC'I'1CSN GAPAGIIY RNfiLYSlu veil z..sZ3 lzinz)iun INTERSECTION: 6 N -S STREET:TASSAJARA RD. E -U STREET:I 580 UB RAMPS JURISDICTION -CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE +PROJECT PEAR HOUR :PM 6 of 14 #� OF PHASES RIGHT THRU LEFT NS SPLIT ? N FILES- - 2 860 1571 0 NO td—} —E 0 A V S B= C= LEFT 0 0.0 1.9 3.0 0.0 2_0 467 RIGHT D= E= THRU 0—N 0.10 (NO. OF LANES> 0.0 �— 0 THRU 1 =ml 2 =BIGHT 0— 0.0 0.0 2_0 1.9 2_0 �-- 478 LEFT 3 = Eta SPLIT NO 0 2157 L02 6= UOLUME =4 7 =- 8= NB CUC:T = 0.5992 9= EB CUC:R = 0.0000 TOTAL U1C 0.175 ° SB CUC:L = 0.0000 LOS C CAP= 013 CUC:L = 0_1460 S WARRANTLU,R> Y,Y PRN =PRN CCTA IN'TERSEC11UN UNPIl;ilY HNHLYZSl'ti ver L.st) le/Waorja INTERSECTION: 7 N -S STREET:TASSAJARA RD. E -U STREET:DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: COUNT DATE: TIME :EASE-PROJECT PEAL{ HOUR :AM -$ 7 of 14 —0 7 of 14 #t OF PHASES RIGHT THRU LEFT NS SPLIT ? N __-FILES- 8 321 2234 50 NO u-E-E • A =i lilt mummommism ®A =i: ! ' S B= G= B= Q� + 't A LEFT 108-J 2.0 2.0 4.0 1.0 1.1 1— 27 RIGHT D= D= E= THRU 180—+ 2.0 (NO. OF LANES) 2.1 �4— 255 THRU i =° ' 1 = e e 2=i' 2 =i' o RIGHT 329 --1 2.5 3.0 2.0 1.0 1.0 T-- 371 LEFT 3 =' 3 =' =I o -4� Al F v A I 5 =I e ERf SPLIT ? 528 1532 14i b= NO 417 1004 145 VOLUME =4 b= UOLUME =3 7= NB CUC:T = 0.4642 8= NB CUC:L = 0.0969 TOTAL U/C 0.76 9= EB CUC:T = 0.0545 TOTAL U/C 0.71 low" -mmEmm SB CUC:T = 0.3385 LOS C CAP = culH Iml- tRStl:1lUN uHYHullY HNHJaYblb uer L.sa 1L/va /ua INTERSECTION: 7 N —S STREET:TASSAJARA RD. E -14 STREET:DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE +PROJECT PEAR HOUR :PM —0 7 of 14 ft OF PHASES RIGHT TRERU LEFT H'S SPLIT ? B9 -- FILES - - - - -- 8 i79 988 32 NO w --+—E ®A =i: V S B= -4 A C= LEFT 680 2.0 2.0 4.0 1.10 i_1 d_ 43 RIGHT D= E= THRU 102— 2.0 (NO. OF LANES) 2.1 -Q— 127 THRU ' 1 = e 2 =i' RIGHT 673- -1 2.5 3.0 2.0 1_0 1..0 202 LEFT 3 =' o v Ew SPLIT ? A I � 4= o 5= NO 528 1532 14i b= VOLUME =4 7= NB CUC:T = 0.4642 9= EB CUC:L =0.2267 TOTAL U/C 0.76 °,,, SE CUC:L = 0_0194 LOS. C CAP =_ CCTA INLERskullum uHrHully HNH-LY616 ver z.az) tu r/-L f� rit) INTERSECTION: 8 N-S STREET:TPSSAJARA RD. E-R! STREET:-FALION RD- JURISDICTION-CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BASE-,PROJECT PEAH HOUR :AM 8 of 1-4 z OF PHASES RIGHT THRU LEFT NS SPLIT ? N ---FILES - 3 1030 41 2 NO W-j-E A L+ 8 E= C= -4� V, I LEFT 595 2-0 :1.0 1-0 :1.0 1-0 5 EIGHT D= E= THRU JS —+.1.1 (NO. OF LANES) .1.0 -4— 45 THRU :t= 2 RIGHT 34-1 1.1 1-0 1.0 1.0 1.0 T-- 2 LEFT 3= v 4= Etl SPLIT NO 83 35 0 G= UOLUME=l 7= B= NE CUC:L =0.0483 9= EB CUC:L =0.1903 TOTAL U/C 0.67 BE CUC-R =0.4087 LOS B CAP= INTERSECTION: 8 H-S STPXET--TfISSAJARA 'RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :EASE-+PROJECT 8 of -141 4 OF 'PHASES RIGHT THRU LEFT NS SPLIT ? 3 783 61 1; NO A -4-j 7 L+ LEFT 1199 —° 2.0 1-10 1.0 :1.0 THRU 52-+ 1.1 (NO. OF LANES) RIGHT 151-1 1-1 1.0 Eu SPLIT ? NO 46 26 2 veil G.35 *1 ell-L d1l K 1-1• ETIREET-FALLON RD.. METHOD :CCTA PEA-K HOUR :?M A 1-0 1 3 RIGHT 1-0 --4— 30 THRU T— Y LEFT 7 JJOLUME=2 HE CUC:L =0.0267 3EE CUC:l =0.3834 TOTAL U/C O.Eo BE CUC:1R =0.071E Los A CCIA INIERSEU11UH L;HFHL;IIY HNHhYZ;iZS veil Z.ljS lz/uz)/, M INTERSECTION: 9 N-S STREET:FALLON 'RD. E-U STREET ,DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD ,CCTA COUNT DATE: TIME :13ASE+FROJECT PEAT; HOUR :AM 9 of 14'r- UOLUME=4 7= 8= OF PHASES RIGHT THRU LEFT HS SPLIT ? N --- FILES - - - - -- 3 51 630 0 NO W-+­E + A L+ S B= A C= LEFT 33--J 1.0 1.0 1.0 0.0 0.0 0 'RIGHT D= E= 'THRU 0-+ 0.0 (NO. OF LANES> 0.0 -4- 0 THRU i 2 RIGHT 207-1 2.0 2.0 1.0 0.0 0.0 0 LEFT 3 EU SPLIT ? I I 4 5= NO 59 298 0 6= UOLUME=3 7= 8= NE CUC:L =0.0189 9= EB CUC:R =0.0560 TOTAL U/C 0.44 1 awe rpr5un. SE CUC:T =0.3663 LOS A CAP= WE CUC:L =0.0000 S WARRANT(U.R> N,Y PRN='PRN uuln INLERshullum uHrHully HNHLY616 ver z..ib _LZ/uZ)/wZ) INTERSECTION: 9 N-S STREET:FALLON 'RD. E-W STREET:DUBLIN BLUD. JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME tBASE+FROJECT PEAR HOUR :PM 9 of 14l D OF PHASES RIGHT THRU LEFT NS SPLIT ? 3 35 562 0 NO LEFT 49 1.0 1.0 1.0 0.0 0.0 'f HRU 0-+ 0.0 (NO. OF LANES) 0.0 A- RIGHT li0­1 2.0 2.0 1.0 0.0 0.0 r- EW SPLIT ? 1" -4--1 Al F+ v NO 206 beJ 0 NB CIC:L =@.OG59 C.'B COC:L =0.028S IOTAL • 0 O j El COC:T =.3267 L t till CuC:`R =0.110 00 S t 0 THRU 1=. 5 2=1. 0 LEFT 3=, 4=111 5= 6= UOLUME=4 7= 8= 9= 0.42 . A CAP= INTERSECTION: 10 N -S STREET:EL CHARRO RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE +FROJECT -( 10 of 14 #i OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 334 '64 0 NO L 4-j V t LEFT 104- 2.0 1.9 1.0 0.0 0.0 1 THRU 0-# 0.0 <NO. OF LANES? 0.0 �- RIGHT 67-, 1.0 0.0 2.0 1.9 0.0 2- �� I, EI! SPLIT ? NO 0 91 i5 NB CUC:L = 0.0000 Ell CUC:R = 0.0372 TOTAL UJC SB CUC:T = 0.0356 LOS UB CUC:L = 0.0000 S UARRANT INTERSECTION: 10 N -S STREET:EL CHARRO RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJECT - 10 of 14 # OF PHASES RIGHT THRU LEFT NS SPLIT ? 2 732 53 ! 0 NO LEFT 236 2.0 1.9 1.0 0.0 0.0 a - THRU 0-+ 0.0 (NO. OF LANES: 0.0 A- RIGHT 56-1 1.0 0.0 2.0 1.9 0.0 Q- �� I E4! SPLIT ? NO 0 86 i7 NB =0.0000 i =0.0721 .. SE T =0.0294 LOS veil z 13' - L "On /C13 E -R! STREET:I -580 EB RAMPS METHOD :CCTA PEAH HOUR :AM 4= 5= 6= UOLUME =3 7= 8= .. m.. m UBL °IN RIGHTI 0 THRU M UOL� M t�OL� 0 LEFT M QQL�' 4= 5= 6= UOLUME =3 7= 8= .. m.. --CM INTERSEC110M L;RFPGIIY AmHbysl� velt, Z.jt 2Z /w:3 /eft) INTERSECTION: :if H-S STREET:FALLON RD. E-tl STREET:1-580 WB RAMPS JURISDICTIOWGITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BASE-PROJECT PEAH HOUR :AM If of 14 # OF PHASES 'RIGHT THRU LEFT HS SPLIT ? 2 320 364 0 NO W- --E o A L+ S B= C= A LEFT 0 0.0 1-0 2.0 0.0 2.0 L-- 123 EIGHT D= E= THRU 0—+ 0.0 (NO- OF LANES) 1.1 -4— 10 THRU I=. 2 RIGHT 0--1 0.0 0-0 2.0 1.9 2.1 29 LEFT 3= Es F+ 4=11 5= Etl SPLIT ? NO 0 100 io? 6=. UOLUME=3 ?= HE CUC:L =0.0000 9= EB CUC:L =0.0000 TOTAL U/C 0.22 SE CUC:R =0.1 '7?8 LOS A CAP= WB CUC:R =0.03?6 9 UARRANT0,B) N,H PRN=PRN CCIA INTERSEG110N uHrHullY NNHLYNlis ver Z.J:) _LZl0Z)/0z3 INTERSECTION: 12 N-S STREET:FALLON 'RD. E-11 STREET-STREET "E'p JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: PEAK TIME :13ASE-i-PROJECT PEAK HOUR ,AM 12 of 14 It OF PURSES RIGHT THRU LEFT NS SPLIT ? :R OF PHASES RIGHT THRU LEFT NS SPLIT ? H --FILES- 2 8 0 37 NO A B= C= R= C= 1EFT fi 1.0 1.0 LEFT 2 1.0 1_0 0.0 1.0 1.0 -11 RIGHT D= E= THRU 235-+ 1.0 E= THRU 82-+ 1.0 (NO. OF LANES) 1.0 A- 123 THRU i 2 2: ]RIGHT 0-! 0.0 10.0 RIGHT 0­1 0.0 0.0 0.0 0.0 0.0 0 LEFT 3= Eu SPLIT ? v ELI SPLIT ? r-+ V F* NO 4 =i° S= NO 0 0 0 r,= UOLUME=4 7= UOLUME=3 7= 8= HE CUC:R =0.0000 8= NE: CUC:R =0.0000 9= ER CUC:7 =0.1306 9= Ell CUC:L =0.0011 10.14 TOTAL U/C 0.09 SE CUC.-L =0.0206 A LOS A CAP= OR CUC:T =0.0683 N,N 9 UARRANT<U,R> N,N PIRN=PRN GGIB INTERSEG11UN L;HFHk;IIY HNHlYSlZS UeP Z..lb _Lz/ran,,F35 INTERSECTION: 12 H-S STREEI:FALLON RD. E-U STREET:S7REET 4E" JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE-PROJECT PEAK HOUR :PM 12 of 14 ' It OF PURSES RIGHT THRU LEFT NS SPLIT ? N ---- FILES - - - -- 2 5 0 22 NO A B= C= 1EFT fi 1.0 1.0 0.0 1.0 1.0 36 RIGHT D= E= THRU 235-+ 1.0 ENO. OF LANES> 1.0 -4- 69 THRU 1= 2 ]RIGHT 0-! 0.0 10.0 0.0 0.0 0.0 0 LEFT 3=. Eu SPLIT ? r-+ V 4=- 1a 5= NO 0 0 0 6= UOLUME=4 7= 8= HE CUC:R =0.0000 9= ER CUC:7 =0.1306 TOTAL U/C 10.14 lmmmF9r_x_wll SE CUC:L =O.0i22 Los A CAP= OR CUC:l =0-0000 8 WARRANT(U.R> . N,N PRN=PRN --GCTA INTERSECTION CAPAC11Y ANALYSIS uer,Z.Jb 2z/ut/u5 INTERSECTION: 13 UOLUME=3 '?= 9= ME CUC:L =0.0000 EE CUC:R =0.0000 TOTAL U/C 0-56 EMIR F-Tr5m. SB CUC:T =0.5378 LOS A CAP= UR CUC:L =0-0215 S UARRANT(U,R> N N PRN=PRN --GCTA INTERSECTION CAPAC11Y ANALYSIS uer,Z.Jb 2z/ut/u5 INTERSECTION: 13 N—S STREET:IASSAJAIRA RD E—W STREET:NO. PROJ. ACCESS JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE4PROJECT PEAT{ HOUR :PM 13 of 141 it OF PHASES RIGHT THRU LEFT NS SPLIT ? 14 3 0 720 5 NO W-1- -E A =ie 1 L-�, S B= C= A .4 V, k LEFT 0 0-0 0.0 1.0 1.0 1.0 4 RIGHT D= E= THRU 0—+ 0.0 (NO. OF LANES) 0.0 A— 0 THRU J=. 2=1' RIGHT 0--j 0.0 0.0 1.0 1.0 1.0 24 LEFT 3_ EU SPLIT ? 4=1' 0 5= NO 0 lumb 44 fi= UOLUME=4 '7= 8= HE CUC:T =0.6308 9= ED CUC:R =0-0000 TOTAL U/C 0_65 M" R; SB CUC:L =0.0029 LOS B CAP= HID CUC:L =0.0140 S WARRANT(U,R) N,M PRN=-PRN CCTA INTERSECTION GRFBGIIY "N"LY61b ve• Z_jz) lzevDev� INTERSECTION: 14 N-S STREET:TASSAJARA RD E-W STREET:SO. PROJ. ACCESS JURISDICTION:CITY OF DUBLIN COUNT DATE: METHOD CCTA COUNT DATE: HOUR :FM 14 of 14l TIME :BASE+PROJECT PERE HOUR --AM 14 of 14l R OF PHASES RIGHT THRU LEFT NS SPLIT ? H ----- FILES - - - - -- 3 # OF PHASES RIGHT THRU LEFT NS SPLIT ? N ----- FILES- - - - - -- 3 0 961 1 NO A= LEFT 0 0.0 0.0 1.0 1.0 1.0 1 2 B= C= A .4 V, E= LEFT 0 1 0.0 0.0 1.0 1.0 1.0 3 RIGHT D= E= THRU 0--)- 0.0 (NO. OF LANES) 0.0 -4- 0 THRU 1 =" 2 RIGHT 0---s 0.0 0.0 1.0 1.0 1.0 60 LEFT I v --] -I A 0 1127 65 4 5= EU SPLIT ? I 7= NO 0 573 ZU 6= 9= EB CUC:R =0.0000 TOTAL U/C UOLUME=3 7= SB CUC;l =0.0023 LOS B CAP= 8= NE CUC:L =0.0000 S WARRANT<U,R) N,N PRN=PRN 9= EB CUC:R =0.0000 TOTAL U/C 0.59 SB CUC:T =0.5587 LOS A CAP= on CUC:T. =0-0349 S WARRANT<U,R) N PRN=PRN CCIA INTERSECTION URFAU11Y HNHLY61U veil z INTERSECTION: 14 N-8 STREET:TASSAJARA RD E-W STWRNSO. PROJ. ACCESS JURISDICTION;CITY OF DUBLIN METHOD CCTA COUNT DATE: TIME :BASE+PROJECT PEAR HOUR :FM 14 of 14l R OF PHASES RIGHT THRU LEFT NS SPLIT ? H ----- FILES - - - - -- 3 0 740 4 NO W-i-E 4 A L,�- S B= C= V, A LEFT 0 0.0 0.0 1.0 1.0 1.0 1 2 RIGHT D= E= THRU 0-+ 0.0 (NO. OF LANES) 0.0 4- 0 THRU J=• 2=1. RIGHT 0­1 0.0 0.0 1.0 1.0 1.0 r- 40 LEFT v I 4=1 5= EW SPLIT ? I NO 0 1127 65 6= UOLUME=4 7= 8= NB CUC:T =0.6552 9= EB CUC:R =0.0000 TOTAL U/C 0.68 rumommE .�W SB CUC;l =0.0023 LOS B CAP= UB CUC:l =0.0233 S WARRANT<U,R) N,N PRN=PRN ®� ❑ Kimley -Hom and Associales, Inc. APPENDIX F — LEVEL OF SERVICE WORKSHEETS: BASELINE PLUS PROJECT ALTERNATIVE CONDITIONS CCTA INTERSECTION CAPACITY ANALYSIS ver Z.Jb "b/az"Ob INTERSECTION: i N-S STHEET:DOUGHERTY RD. E-U STREET-DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAS HOUR :AM i of 141 U OF PHASES RIGHT THRU LEFT HS SPLIT ? H ----- FILES - - - - -- 8 177 1291 550 NO U-i-E, 0 A= L-41 8 B= C= �J A LEFT 116 2.0 1.1 4.1 2.0 1.0 L-- 411 RIGHT D= E= THRU 644-+ 3.0 (NO. OF LANES? 3.0 A- 865 THRU 1 =2 2 RIGHT 382----1 2.5 3.0 3.0 2.5 3.0 486 LEFT 3= v -4--1 Al F+ 4= 5= EW SPLIT ? NO 741 btZ 1171 6= UOLUME=i 7= 8= NB CUC:L =0.1722 9= EB CUC:T =0.1301 TOTAL U/C 0.64 lamsm SB CUC:TR =0.2224 LOS B CAP= OR CUC:L =0.1134 S UARRANT(UM Y PRN=PRN CCTA INTERSECTION URFRUIly HN"LYS16 ppell 4.15:) 0011,04,11"D INTERSECTION: I N-S STREET:DOUGHERTY RD. E-U STREET:DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAR HOUR ;PM i of 141 v OF PHASES RIGHT THRU LEFT 14S SPLIT ? H ----- FILES- 8 137 691 512 NO A =11 L" B= C= �J V, LEFT 223 2.0 1.1 4.1 2.0 1.0 452 RIGHT D= E= 'THBU 1083-+ 3.0 (NO. OF LANES> 3.0 -1- 886 THRU 1 =,, 2 =1. RIGHT 2.5 3.0 3.0 2.5 3.0 r 548 LEFT 3= v -4--1 'tl' F+ 4= 5= EU SPLIT ? No 768 1084 bzj 6= UOLUME=2 ?= 8= NB CUC:T =0.2190 9= EB CUC:T =0.2188 TOTAL U/C 0.74 rumMl SE CUC:L =0.1707 LOS C GAP= UR CUC:T, =0-1273 S WARRANTW R) Yly PBN=PRN CCTA INTERSECTION CAFAUlly HNHLYbIb Yell z . J:) 670/67L/Y70 INTERSECTION: 2 M-S STREET:HACIENDA DR. E-ki STREET:1-580 EB RAMPS JUBISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: 2 of 14 TIME :BASE+PROJ ALT PEAK HOUR :AM 2 o 14 9 OF f PHASES RIGHT THRU LEFT HS SPLIT ? M ----- FILES- - - - - -- 2 163 1245 0 NO %?-[-E Li. S B= C= C= A, LEFT 981 2.0 1.9 3.0 0.0 0.0 0 RIGHT LEFT 1106 2.0 1.9 3-0 0.0 0.0 0 RIGHT D= THRU 0-+ 0.0 (140. OF LANES) 0.0 0 THRU J= E= THRU 0--+ 0.0 (NO. OF LANES> 0.0 1- 0 THRU :t AM RIGHT 460---1 2.0 0.0 3.0 1.9 0.0 0 LEFT 2=1' 0 RIGHT 1446----1 2.0 0.0 3.0 1-9 0.0 0 LEFT 3= v 4­1 L 4= 5= Ekl SPLIT ? lbbb Ybb I G= No 0 608 Zil 6= 8= NB CUC:T =0.3085 UOLUME=l ?= EB CUC:L =0.2997 TOTAL U/C 0.61 kill SB CUC:L =0.0000 NB CUC:L =0.0000 LOS B =_-.. 9= EB CUC:R =0.4418 TOTAL U/C 0.67 SE CUC:T =0.2306 LOS B CAP= - _.-T _n onna Q UAPPANTCH W? Y-Y PlRN=PRN CCTA INTERSECTION CAPACITY RNRLYNIS ver Z.zFb abea&IOU INTERSECTION: 2 N-S STREET-HACIENDA DR. E-U STREET:1-580 Ell RAMPS JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+PROJ ALT PERIC HOUR 2 of 14 D OF PHASES BIGHT THRU LEFT HS SPLIT ? N -----FILES--- 2 419 871 0 NO u-i-E Li. S B= C= 1, LEFT 981 2.0 1.9 3.0 0.0 0.0 0 RIGHT D= E= THRU 0-+ 0.0 (140. OF LANES) 0.0 0 THRU J= 2= RIGHT 460---1 2.0 0.0 3.0 1.9 0.0 0 LEFT 3= v A 4= 5= ELI SPLIT ? I No 0 lbbb Ybb G= UOLUME=2 7= 8= NB CUC:T =0.3085 9= ICAP EB CUC:L =0.2997 TOTAL U/C 0.61 kill SB CUC:L =0.0000 LOS B =_-.. INTERSECTION: 3 N —S JURI SDI CTI ON- CITY OF DUB COUNT DATE: —� 3 0 f £ 14 [ t# OF PHASES RIGHT 2 679 A .4-1 STREET:HACIENDA DR. LIN TIME : BASE +PROJ ALT THRU LEFT NS SPLIT ? 512 0 NO veil 4.�a t�z)iucia'D E -11 STREET:I -580 41B RAMPS METHOD :CCTA PEAR HOUR :AM S LEFT 0 s 5 a: - THRU 0--p- 0.0 RIGHT 0—' 0.0 EU SPLIT ? NO (PLO. OF LANES) 0.0 A— 0 THRU 0.0 2.0 1.9 2.0 g— 806 LEFT -4--1 Al E v 0 1298 380 VOLUME =1 TOTAL U/C LOS INTERSECTION: 3 N -S STREET:HACIENDA DR. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJ ALT V OF£PHASES RIGHT THRU LEFT HS SPLIT ? 2 1247 863 0 NO . vex, L.JS uu /uu llna E -41 STREET :I -580 4111 RAMPS METHOD :CCTA PEAR HOUR :PM S IL 2.0 i— 313 RIGHT s 2.0 357 LEFT UOLUME =i MB CUC:T 1 911 =0.0000 00 LOS A LEFT 0—J 0.0 1.9 3.0 0.0 THRU 0—D+ 0.0 (NO. OF LANES> RIGHT 0—; 0.0 0.0 2.0 1.9 EU SPLIT ? I NO 0 1420 1126 . vex, L.JS uu /uu llna E -41 STREET :I -580 4111 RAMPS METHOD :CCTA PEAR HOUR :PM S IL 2.0 i— 313 RIGHT s 2.0 357 LEFT UOLUME =i MB CUC:T 1 911 =0.0000 00 LOS A CCTA INTERSECTION CAPACITY ANALYSIS veil Z.Jb ob✓04/ob INTERSECTION: 4 N-S STREET - HACIENDA DR. E-U STREET - DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD "CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAK HOUR :AM 4 of 14 R OF PHASES RIGHT THRU LEFT WS SPLIT ----- FILES- - - - - -- 8 124 439 24 NO A =! Lt, B= C= .4-1 V, LEFT 185J 2.0 1.0 3.0 2.0 1.1 14 RIGHT D= E= THRU 548-+ 3.0 (NO. OF LANES} 3.1 A- 802 THRU 1= 2= RIGHT 432­1 2.5 3.0 2.0 2.0 2.0 151 LEFT 3= v [-4, 4= 5= Eil SPLIT ? NO 341 Ubb Zol G= UOLUME=l 7= 8= NB CUC:T =0.2685 9= ED CUC:L =0.0617 TOTAL U/C 0.50 11MIER SE CUG:L =0.0080 LOS A CAP= CCTA INTERSECTION CAPACITY ANALYSIS ver 2.35 06/02/06 INTERSECTION- 4 N-S STREET:HACIENDA DR. E-W STREET:DUBLIN 13LUD. JURISDICTION -CITY OF DUBLIN METHOD --CCTA COUNT DATE: TIME :DASE+PROJ ALT PEAR HOUR :PM 4 of 141 U OF PHASES RIGHT THRU LEFT HS SPLIT ? FILES------ 373 1329 GO NO A= mm S B= L+ LEFT 418 2.0 1.0 3.0 2.0 1.1 151 RIG14T D= E= THRU 929--4- 3.0 <NO. OF LANES> 3.1 -4- 737 THRU 1=°l3 t 2 RIGHT 339­1 2.5 3.0 2.0 2.0 2.0 F-- 125 LEFT 3= V, -1� A [-+ V 4= EU SPLIT ? 1 5= NO 497 471 395 6= UOLUME=2 ND CUC:L =0.1155 9= EB CUC:L =0.1393 TOTAL U/C 0.70 SB CUG:T =0.2685 LOS B INTERSECTION: 5 N -S STREET:SANTA RITA RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME ®BASE +PROJ ALT &5OF£PHASES RIGHT THRU LEFT PIS SPLIT ? 7 417 1393 183 NO L LEFT 805 2.0 THRU 114 -P 1.0 RIGHT 429---1 1.9 EW SPLIT ? NO NB CUC:L = 0.0000 EB CUC:L = 0.2683 SB CUC:T = 0.4221 TOTAL U/C LOS VB2' L.35 F7b /l7Gf k7b E -U STREET:I -580 EB RAMPS METHOD :CCTA PEAK HOUR :AM N 4F -{--E S 369 RIGHT 0 THRU 136 LEFT VOLUME =1 INTERSECTION: 5 N -S STREET:SANTA RITA RD. JURISDICTION :CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJ ALT 5 14l U OFfPHASES RIGHT THRU LEFT HS SPLIT ? 7 658 1240 239 NO A LEFT 695-J 2. THRU 157-- 1. RIGHT 488-1 1.9 EU SPLIT ? NO 4-1 L L 1.9 2.0 1.0 2.5 L- (NO. OF LANES) 0.0 4- 0.0 4.1 1.1 2.0 1— 0 1125 91 TOTAL U/C LOS VB2' L.35 F7b /l7Gf k7b E -U STREET:I -580 EB RAMPS METHOD :CCTA PEAK HOUR :AM N 4F -{--E S 369 RIGHT 0 THRU 136 LEFT VOLUME =1 INTERSECTION: 5 N -S STREET:SANTA RITA RD. JURISDICTION :CITY OF DUBLIN COUNT DATE: TIME :BASE +PROJ ALT 5 14l U OFfPHASES RIGHT THRU LEFT HS SPLIT ? 7 658 1240 239 NO A LEFT 695-J 2. THRU 157-- 1. RIGHT 488-1 1.9 EU SPLIT ? NO 4-1 L L 0.70 B VL'2' C.�S bb /04/00 E -49 STREET:I -580 EB RAMPS METHOD :CCTA PEAT{ HOUR :PM Pa S 355 RIGHT 0 THRU 175 LEFT VOLUME 2 6 ♦ TOTAL IEB CUC:L SB CUC:L =0.144B LOS C CAP= INTERSECTION: 6 N-S STREET:TflSSAJARA RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PROJ ALT 6 OF of 14l PHASES RIGHT THRU LEFT HS SPLIT ? 2 1410 1386 0 NO A LEFT 0 0.0 THRU 0--+ 0.0 RIGHT 0--0 0.0 EW SPLIT NO MB CUC:T =0.4156 ED CUC:R =0.0000 SB CUC:L =0.0000 WR CUC:T. =0-2023 1.9 3.0 0.0 (NO. OF LANES) 0.0 2.0 1.9 0 1496 ??l ver Z.jS ub4uz17b E-1) STREET:1-580 UB RAMPS METHOD -CCTA PEAE HOUR :AM A 2.0 ' 594 RIGHT 0.0 -1- 0 THRU 2.0 662 LEFT TOTAL U/C LOS INTERSECTION: 6 N-S STREET:TASSAJARA ED. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BRSE+PBOJ ALT 6 141 ff OF of PHASES RIGHT THRU LEFT HS SPLIT ? 2 857 1568 0 NO A LEFT 0 0.0 THRU 0---* 0.0 RIGHT 0---j 0.0 Et�l SPLIT No �-1 71 L-v 1.9 3.0 8.0 UOLUME=i irl. ver z.j:) wolluz/"D E-%) STREET:1-580 Ull RAMPS METHOD :CCTn PERE HOUR -PM 2.0 467 RIGHT (NO. OF LANES) 0.0 -1- 0.0 2.0 1.9 2.0 0 2156 602 0 THRU 478 LEFT UOLUME=2 HE CUC:T =O.S989 Ell CUC:R =0.0000 TOTAL U/C 0.74 SB CUC:L =0.0000 LOS C OV. CUC-T, =,'1 -14fiQ 12 tJ0MVQVT(U.V.> Y.Y FILES------ INTERSECTION: 7 N-S STREET:TASSAJARA ED. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PROJ ALT 7 of -14 9 OF PHASES RIGHT THRU LEFT NS SPLIT ? 8 321 2241 so NO A LEFT 108' 2.0 THRU 180-� 2.0 RIGHT 329--1 2.5 EU SPLIT NO NB CUC:L =0.0969 EB CUC:T =0.0545 SB CUC:T =0.3395 l'-j V, L�l- 't Vey, z 1 S D"J"t E-4I STRiET-DUBINELUD. METHOD :CCTA PEAR HOUR :AM N 2.0 4.0 1.0 1-1 ' 27 RIGHT (NO. OF LANES> 2.1 -4- 255 THRU 3.0 2.0 1.0 1.0 371 LEFT 3.0 -'--1 2.0 1.0 1.0 202 LEFT 41? 1002 i45 UOLUME=i TOTAL U/C 0.72 LOS C CCTA INTERSECTION URFAUITY RNHLYSIS Ver Z.S:l kib/04/00 INTERSECTION: 7 H-S STREET:TASSAJARA ED. E-1) STREET:DUBLIN BLVD. JURISDICTION:CITY OF DUBLIN METHOD :CCTA COURT DATE: TIME :BASE+PBOJ ALT PEAT' HOUR :PM -4 7 of 141 1 U OF PHASES RIGHT THRU LEFT HS SPLIT N 8 178 982 32 NO U--{-E A LEFT 680 2.0 THRU 102--*, 2.0 EIGHT 673---1 2.5 Ekl SPLIT NO NB CUC:T =0.4639 EB CUC:L =0.2267 SB CUC:L =0.0194 CAP 2.0 4.0 1.0 1.1 43 'RIGHT <NO. OF LANES> 2.1 A- 127 THRU 3.0 -'--1 2.0 1.0 1.0 202 LEFT 528 1531 143. UOLUME=2 TOTAL U/C O.?G LOS C CAP CGIA INIERSE(AlUN UHMIG11Y IINHLY616 ver Z.jz) U ell-L I,/ tib INTERSECTION: 8 N-S STREET:TASSAJARA RD. E-11 STREET:FALLON RD. JURISDICTION:CITY OF DUBLIN METHOD -.CCTA COUNT DATE: TIRE :BASE+PROJ ALT PEAT{ HOUR :AM 8 of 141 1� OF PHASES RIGHT THRIJ LEFT HS SPLIT ? H ----- FILES- - - - - -- 3 1037 43 2 NO tl--[-E * A =1 3PURFAMNOMM S B= LEFT 587 2.0 1.0 1.0 1.0 1.0 5 RIGHT D= E= THRU 15-1 1.1 <KO. OF LANES) 1.0 -1- 45 THRU 1=11i&l 2= RIGHT 34--1 1-1 1.0 1.0 1.0 1.0 2 LEFT 3= v 4­1 J, 4= EU SPLIT ? 1 5= NO 83 33 0 6= UOLUME=i 7= 8= NB CUC:L =0.0483 9= Ell CUC:L =0.1877 TOTAL U/C 0.68 SB GUC:R =0.4151 LOS B CAP= L;L;IH lNlhM;hk;lXUN UHrHUllY HYlHlYblb ver & J INTERSECTION: 8 N-S STREET:TASSAJARA RD. E-W STRkE* 0rL 't9 T:FALLONRr t) D JURISDICTION:CITY OF DUBLIN METHOD "CCTA COUNT DATE: TIME ;EASE+PROJ ALT PEAR HOUR :PM ---1 8 of 141 t OF PHASES RIGHT THRU LEFT NS SPLIT ? N ---- FILES- - - - - -- 3 772 59 5 NO 0-i-E 0 A =00 6 B= A V, L C= LEFT 1196 2.0 1.0 1.0 1.0 1.0 3 RIGHT D= E= THRU 52-+ 1.1 (HO. OF LANES} 1.0 -4- 30 THRU 2=,1 RIGHT 1.1 1.0 1.0 1.0 1.0 1 LEFT 3= v -I-- L [--+ r = ] EU SPLIT ? 1 5= NO 46 25 2 6= UOLUME=2, 7= NB CUC:L =0.0267 9= EE CUC:L =0.3825 TOTAL U/C 0.49 SB CUC:R =0.0663 LOS A ICAP= CCTA INTERSEG11UN L;HFHL;Ily HvMbyzil� ver Z.3:3 vbluLllub INTERSECTION: 9 N-S STREET:FALLON ED. E-11 STREET:DUBLIN N BLVD. JURISDICTION:CITY OF DUBLIN METHOD 0 NO -CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAR HOUR -AM 9 of 141 OF PHASES RIGHT THRU LEFT KS SPLIT ? m ---- FILES- - - - - -- 3 51 631 0 NO tl-} -E ♦ A =id E= L S B= C= 0.0 A- 0 THRU _4� 71 --- A LEFT 33 1.0 1.0 1.0 0.0 0.0 0 RIGHT D= 0.0 0.0 0 LEFT 3= v Ek) SPLIT ? -I--] E= 1--+ THRU 0--* 0.0 (NO. OF LANES) 0.0 0 THRU 1= v 6= 2= EIGHT 207---1 2-0 2.0 1.0 0.0 0.0 0 LEFT 3= v A—] A 4= 5= EW SPLIT ? NO 59 I I 297 0 6= UOLUME=i 7= 8= HE CUC:L =0_0189 9= EB CUC:R =0.0560 TOTAL U/C 0.44 Iffim!2VT�.- SI) CUC:T =0.3669 LOS A CAP=---. CGIR INIERSEG110m L;HFRL;Iiy HNHLyzliz; INTERSECTION: 9 N-8 STREET:FALLON RD. JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PROJ ALT veil Z.35 Ub,104eUb E-U STREET:DUBLIN BLVD. METHOD :CCTA FEAR HOUR :PM 9 of 141 K OF PHASES RIGHT THRU LEFT HS SPLIT 7 N ----FILES- 3 35 561 0 NO O E A =il moriumm S B= LEFT 49 1.0 1.0 1.0 0.0 0.0 0 EIGHT D= E= THRU 0-+ 0.0 (NO. OF LANES> 0.0 A- 0 THRU J= MEN 2= RIGHT 110­1 2.0 2.0 1.0 0.0 0.0 0 LEFT 3= v Ek) SPLIT ? -I--] A 1 1--+ 4= 5= NO 206 672 v 6= UOLUME=2 ?= 8- NB CUC:L =0.0659 9= Ell CUC:L =0.0285 TOTAL U/C 0.42 SE CUC.T =0.3262 LOS A CAP= CCTA INTERSECTION CAPACITY ANALYSIS ver Z.J?a Ob/UZ/Ub INTERSECTION: 10 N—S STREET:EL CHnRRO ED. E—tJ STBEET:1-580 EB RAMPS jURISDICTION:CITY OF DUBLIN METHOD CCTA COUNT DATE: TIME :EASE+PROJ ALT PEAK HOUR :AM 10 of 141 U OF PHASES EIGHT THRU LEFT HS SPLIT ? N ----- FILES- - - - - -- 2 337 I65 0 NO U—¢—E A= "'. S B= -4-1 v A C= LEFT 104 2.0 1.9 1.0 0.0 0.0 0 RIGHT D= E= THRU 0-1�- 0.0 (NO. OF LnWES) 0.0 4— 0 THRU 1= 2= EIGHT 67--1 1.0 0.0 2.0 1.9 0.0 0 LEFT 3= v A A V 4= Fil ? —1 [--4- SPLIT I 5= NO 0 90 is G= UOLUME=l 7= 8= MB CUC:L =0.0000 9= EB CUC:R =0.0372 TOTAL U/C 0.07 111=4 SE CUC:T =0.0361 LOS A CAP= CGIA IMIERSEC110H URk'RUllY HNIMY61S vei, z jb 3 INTERSECTION: io N—S STREET:EL CHARRO RD. E—W STRiET:I-5t ozB'0'/EB"ltg RAMPS JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAR HOUR :PM 10 of 141 It OF PHASES RIGHT THRU LEFT HS SPLIT ? N ----- FILES- - - - - -- 2 732 52 0 NO W—i—E, * A=10-3-W! 9 B= L --- 1, C= LEFT 236 2.0 1.9 1-0 0.0 0.0 0 RIGHT D= E= THRU 0—r- 0.0 (NO. OF LANES) 0.0 0 THRU J= 2=11 RIGHT 56---1 1.0 0-0 2.0 1.9 0.0 0 LEFT 3= 7 L 4= 01 SPLIT ? 1---+ I s= NO 0 86 17 G= UOLUME=2 7= 8= NB CUC:L =0.0000 9= EB CUC:L =0.0721 TOTAL U/C 0.10 SE CUC:T, =0.0289 LOS A CAP= — -I.— —" %Ammm 0 1AA-DVALITelF ID'. U m ppm='pplj CCI'A INTERSECTION CAPACITY ANALYSIS vel, Z.,lb Ub/IJZ,Ub INTERSECTION: 11 H-S STREET:FALLON ED. E-11 STREET:I-580 11B RAMPS JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :DASE+PROJ ALT PEAR HOUR :AM 11 of 141 V OF PHASES RIGHT THRU LEFT Ng SPLIT ? M ----- FILES- - - - - -- 2 320 365 0 NO A= D= 71 L-v C= LEFT 0 0.0 1.0 2.0 0.0 2.0 123 RIGHT D= E= THRU 0-4- 0.0 (NO. OF LANES) 1.1 A— 10 THRU 1= =i e RIGHT 0---j 0.0 0.0 2.0 1.9 2.1 29 LEFT 3= 4= E0 SPLIT NO 0 99 9 107 G= UOLUME=i 7= 8= NB CUC:L =0.0000 9= EB CUC:L =0.0000 TOTAL U/C 0.22 mmmlu��� SB CUC:R =0-1778 LOS A CAP= CCTA INTERSECTION GRFRCIlY RHRLY61S ve• Z.jb vb/wZ/ub INTERSECTION: 11 N-S STREET:FALLON RD. E-U STREET:I--580 WE -RAMPS JURISDICTION:CITY OF DUBLIN METHOD -CCTR COUNT DATE: TIME :BASE+PROJ ALT PERE HOUR :PM 11 of 14 i -ff OF PHASES RIGHT 2 291 LEFT 0 0.0 1.0 THRU LEFT H& SPLIT 947 0 NO v Lil A 2.0 0.0 2.0 ? m W-j-E S 346 RIGHT ----- FILES - - - - -- 0 A=irl:JhV' B= C D= E= THRU 0--k- 0-0 (NO. OF LANES) l.i -4— 0 THRU I 2 RIGHT 0-1 0.0 EW SPLIT ? NO 0.0 I 0 2.0 1.9 2.1 I 302 32 6 LEFT 3= 4= 5= 6= UOLUME=2 7= 8= NB CUC:L =0.0000 9= EB CUC:L =0.0000 TOTAL U/C 0.37 SE CUC:T =0.2631 LOS A CAP= CCTA INTERSECTION CAPACITY ANALYSIS uev 2.35 06/02/06 INTERSECTION: 12 N-S STREET:FALLON RD. E-11 STREET:STREET "E" JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+PROJ ALT PEAH HOUR :AM 12 of 141 R OF PHASES RIGHT THRU LEFT US SPLIT ? N ----- FILES- - - - - -- 2 8 0 37 NO kl-J-E o A=i� Lv 8 B= LEFT 2 1.0 im 0.0 1.0 1.0 11 RIGHT D= E= THRU 84-+ 1.0 (NO. OF LANES) 1.0 -1- 121 THRU I 2=1W RIGHT 0­1 0.0 0.0 0.0 0.0 0.0 0 LEFT 3= r--+ 4= Ell SPLIT ? -1 I 5= NO 0 0 0 G= UOLUME=i ?= 8= NB CUC:R =0.0000 9= EB CUC:L =0.0011 TOTAL U/C 0.09 Iffimsm SE CUC:L =0.0206 LOS A CAP=__ GGIR 1WEESEG11ON Unpflully RNRLYSiz; ver Z.Jb 0b/0Z/Vb INTERSECTION: 12 N-S STREET:FALLON RD. E-W STREET:STREET "E" JURISDICTIOH:CITY OF DUBLIN METHOD :CCTA COUNT DATE" TIME :BASE+PROJ ALT PEAR HOUR :PM 12 of 141 R OF PHASES RIGHT THRU LEFT HS SPLIT ? K, ----- FILES - - - - -- 2 5 0 22 NO t #-}-E 0 A=11 IZ B= L+ k C= LEFT 6 1.0 1.0 0.0 1.0 1.0 36 RIGHT D= E= THRU 233-+ 1.0 <NO. OF LANES) 1.0 -4- 68 THRU 1 2 ]RIGHT 0--- 1 0.0 0.0 0.0 0.0 0.0 0 LEFT 3= v & [---+ 4= Ell SPLIT ? 1 5= NO 0 0 0 6= UOLUME=2 7= 8= NB CUC:R =0.0000 9= EB CUC:T =0.1294 TOTAL U/C 0.14 SE CUC:L =0.0122 LOS A GAP= CCTA INTERSEcilum unpAully HHHLY61S ver z_jzo INTERSECTION: 13 N-S STREET:TASSAJARA RD E-U STREET:NO. PROJ. ACCESS JURISDICTION:CITY OF DUBLIN METHOD :CCTA COUNT DATE: TIME :BASE+'PROJ ALT PEAR HOUR -AM 13 of 141 # OF PHASES RIGHT THRU LEFT HS SPLIT ? N ----- FILES - - - - -- 3 0 925 1 NO 4! -¢--E A =is S B= A �4� V, L_�, 't C= LEFT 0 0.0 0.0 1.0 1.0 1.0 6 RIGHT D= E= THRU 0-@_- 0.0 (NO. OF LANES) 0.0 A- 0 THRU J= 2= RIGHT 0­1 0.0 0.0 1.0 1.0 1.0 42 LEFT 3= v -4--1 A [---+ 4= Ell SPLIT ? I 5= NO 0 bbb t; 6= UOLUME=1 7= 8= NB CUC:L =0.0000 9= EB CUC:R =0.0000 TOTAL U/C 0.56 Rrmirm SE CUC:T =0.5378 LOS A CAP= CAR CUC:L =0-0244 8 WARRANT 0,R3 N PRN=PRN CCTR INIEESEC11UN URFRU11Y HHHLYSIZS ver z.j:3 ob"041foo INTERSECTION: 13 N-S STREET:TASSAJARA RD E-11 STREET:NO. PROJ. ACCESS JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BASE4PROJ ALT PEAR HOUR :PM 13 of 141 fl OF PHASES 3 LEFT 0 RIGHT 0 0.8 0.0 THRU LEFT HS SPLIT 720 5 NO L 1.0 1.0 1.0 ? N U-i-E S 3 RIGHT ---- FILES- - - - - -- + A B= C= D= E= THRU 0-+ 0.0 (NO. OF LANES) 0.0 0 THRU 1 =° 2=19i EIGHT 0---1 Ell SPLIT 0.0 0.0 1.0 1.0 1.0 F+ 20 LEFT 3= 4= 5= NO 0 1084 42 6= UOLUME=2 7- 1 B= NB CUC:T =0.6302 EB CUC:R =0.0000 TOTAL U/C O.G4 SE CUC:L =0-0029 LOS B INTERSECTION: 14 H-S STREET:TASSAJARA RD JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PBOJ ALT 14 of 141 R OF PHASES RIGHT THRU LEFT HS SPLIT ? 3 0 966 1 NO uuST TOTAL U/C LOS Veil Z.1i5 ub/oz/ob E-W STREET-SO. PROJ. ACCESS METHOD -,CCTA PEAH HOUR :AM N ----- FILES ------- V-11-13 A=K��� S B= C= 4 BIGHT D= LEFT 0 0.0 0.0 1.0 1.0 1.0 THRU 0—+ 0-0 (NO. OF LANES) 0.0 4— RIGHT 0---1 0.0 0.0 1.0 1.0 1.0 EU SPLIT 5= 6= NO 7= 0 bb'J 111 uuST TOTAL U/C LOS Veil Z.1i5 ub/oz/ob E-W STREET-SO. PROJ. ACCESS METHOD -,CCTA PEAH HOUR :AM N ----- FILES ------- V-11-13 A=K��� S B= INTERSECTION: 14 N-S STREET:TASSAJARA "RD JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PROJ ALT 14 of 141 U OF PHASES RIGHT THRU LEFT HS SPLIT ? 3 0 736 4 NO A LEFT 0—' 0.0 THRU 0—+ 0.0 A 0.0 1.0 1.0 :1.0 I ver Z.Jb 0b/WZ,'0b E-W STREETtSO. PROD. ACCESS METHOD -CCTA PEAT{ HOUR :PM N I RIGHT (NO. OF LANES> 0.0 �— 0 THRU EIGHT 0--1 0.0 0.0 1.0 1.0 1.0 32 LEFT v Elf SPLIT ? NO 0 1125 63 UOLUME=2 NB CUG-T =O.G541 Ell GUG:R =0.0000 TOTAL U/C 0.68 SE CUG:L =0.0023 LOS B UV CUC:L --m-0186 R tJ0V.V0VT<H--l) kll-p CAP= C= 4 BIGHT D= E= 0 THRU 1= 2 =11 i? LEFT 3= 4= 5= 6= UOLUME=l 7= 8= 9= INTERSECTION: 14 N-S STREET:TASSAJARA "RD JURISDICTION:CITY OF DUBLIN COUNT DATE: TIME :BASE+PROJ ALT 14 of 141 U OF PHASES RIGHT THRU LEFT HS SPLIT ? 3 0 736 4 NO A LEFT 0—' 0.0 THRU 0—+ 0.0 A 0.0 1.0 1.0 :1.0 I ver Z.Jb 0b/WZ,'0b E-W STREETtSO. PROD. ACCESS METHOD -CCTA PEAT{ HOUR :PM N I RIGHT (NO. OF LANES> 0.0 �— 0 THRU EIGHT 0--1 0.0 0.0 1.0 1.0 1.0 32 LEFT v Elf SPLIT ? NO 0 1125 63 UOLUME=2 NB CUG-T =O.G541 Ell GUG:R =0.0000 TOTAL U/C 0.68 SE CUG:L =0.0023 LOS B UV CUC:L --m-0186 R tJ0V.V0VT<H--l) kll-p CAP= ❑Kimley -Hom S and Associates, Inc. APPENDIX G - LEVEL OF SERVICE WORKSHEETS: BUILDOUT CONDITIONS SOURCE: TJKM TRANSPORTATION CONSULTANTS. "A TRAFFIC STUDY FOR THE Proposed Fallon Crossings Development." 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C m IL Y N T � I d I 2 N I 1 O 0 O Y W d a C N �II U � OI •7 I mi I o� V 1 I OI U 1 7 O w O +T+ o S U Y m m d m C 7 E 0 •1'- d' O m P 1 1 Z r O 1 O r d r O r U a . 1- N O 1 E r W C r Q 1 H 7 O u = U . •-• U r U O O O N N N M M N N A — r 1 1 r —> r r r 1 1 O n I v d' ti Z m W C 6 Cq Z+ y W ••C- x 3 m y O y c LL f7 C x F W J Z n r 10 M ••-M O a N r 1 1 Z O O O .- In In a A ol M x WVM1 —r N W N 1 -�p•+ J K Q 9< 9< =10 LL / O ' r r —OH x W r MW K V V J 1 1 Z r O 1 O r d r O r U a . 1- N O 1 E r W C r Q 1 H 7 O u = U . •-• U r U O O O N N N M M N N A — r 1 1 r —> r r r 1 1 O n I v v t ti W C Cq Z+ y W x x if Q It ; \ 11 C y o It i w II p s II 0 i co d 11 O L r If T7 H 11 ) S 1 txJ N U 11 10, z ii c • I� 11 �N if a 11 r y r if O O Y m m gd 4 C 0 O U Y 71 'OO II I •7 I m I 1 of +r I I of 1 r r m r C 1 A F n O 1 o rxs V m K LL 1 P O N i 1 � 2 r O O 1 E r O r P h U w 1 S r M m W 0 r W y r S 1 H 7 U o 1 U 1 w r U r J •. Y N L W L y O y C LL s W ol cu v co 1 r = r 1 V r > V O O M M d y O PS N W N p •O.• Z � O �< In O I- 2 M , P w V J O N M N A- 1 1 —> 1 r r r O 00 J N H W K O 2 + y K r Imt 4 II 2 w 111 W I N 1 'O K C O W 1-- W W N y ir 1 1 r 1 r r r r np I 1 r 1 1 1 M I i i i i 1 1pp' 1 1 1 r 1 li tl 1 6 N i O i r i I p N �l r t� W 1 I C 1 O 1 O r O r O I U 1 1 1 1 11 11 II 1� it O r 9F,-. r 0O r M1� M1r1 1 1(1-0 1 it U r-1 r r O N M r P N OD r Il10 I 11 \1- 1 N-;: 1 0000 1 �P 1 OM1v� p >Q 1 9 . . 1 O�� 1 �-N r• r O•-N 1 11 - 000 0 0 0 1 0 0 0; 0 0 0 li it a i 11 F- Y 1 1 1 1 ii •~+ r OOJ 1 000 1 OOb 1 OOV �I 11 U 1 000 r M00 1 Oyy�1O 1 1 olt 1 1 N Q r O ..pp M 1101p O 1 O P O r• L11 0 1 li O Qi M10 �f' 1 .-10M r R, It 1 •-.r.r U 1 ; ; ; i II if 11 1 1 1 1 CKg K 1 K 1 K 1 K 1� -IL 1 6 u I N= MODO i Otiv i N ST O i 0 -0 1 OQC> 1 Wt >f OJ 1 N7m 1 .o In 1 M In 1 BOO 1� OC II 1 =Z O 1 r W if 11 d pQ > 1 r r 1 !- N 11 O 1- 1 1 1 1 1 r r r 11 go 11 .8 J i 1 r 1 11 Q{Jy I1�J C 1 11120 i M•OP i ti10V1 �.OM li U? `11- co I10mOrWt�v10 Or NII OW IHJ 0 —O -V1 r `OM . I� 1n i 2•00 11 HJ 11 x0 K> 1 r c- It Wz 11 •O-•> O ii 92 II zi II -1- 11 w ••1 II O C.1 11 O II > W 11 W 1- 1-• r vFJ t v1-J r vFJ 1 v1-J 11 N 11 Z 1 v v r v v 1 v v r v v 11 J C I p f i S F• S 7 1- 1 S r 1' if Q W 11 W9 W r t9 d•w 1 C7CLL 1 O =w 1 ow- 11 0=110 •J•. r .-+xW r xW 111 -- 11» d'1-J 1 d'HJ r wI-J 11 11 -m i ii if °a H 1 m 1 m 1 m 1 m 11 II Z 1 N r W 1 7: II II K 1 11 I r 1 r 1 11 1 I r r 1 if II U �t r ul r M r > r r O r r P II 1-• > r N r N 1 O r N 11 O o ii U 1 r 1 r II II 1 ii O NO 1 00.0 r 010 11 U •••r r -, r Mon r O O M r O N E 11 \� r vM� r POO r 0011- 1 00, 11 > Q r NON 1 N N r 99 . 1 O N 11 r 0 0 0 0 0 0 r 0 0 0 1 o 0 0 II r 1 r 1 11 1 1 r 1 11 >` 1 ~ r OOd 000 000 OO'r II U r 000 r Moo r omo r 1!11/10 I Q r O•OIn 1 •o •p0 r OPO r •O PM It 1 210 It 1 .-•OM r MltM 1 �v 1.11 U 11 II 1 1 r r pK K # 1 11 O K K li W i-m r 11�vvr�1�to 1 •o;!M r OOP r OPN II Q•••• 7J I�MU 1 NI�a- 1 Mtn 1 It r4 11 C> M 10 11 C FT••N Q 1 if a o J r r 1 1 11 QJ Q W r r r 11 U W Zf r P�00 m001 r It PN 11 1 > OJ i O�TN r v \� r I-V1M r vIiN 11 OW •-• O r 1- M P 1 In 10 r N or 1 N .r m it 1- J O 0> r r r 1 ^ 11 W Z II 7 2 I r 1 1 11.11 -I r ^ ^ r ^ 1 ^ II OU W I • CC ^ ^ r CC ^ ^ r K ^ ^ 1 v ^ ^ II > 1 N r vl-J 1 vHJ 1 v►•J 1 F-J I y I Z r v v r v v r v v r v v J K QW I g r x01- r S�f- 1 x�F 1 SOF- 11 FI- 1 W 1 HKLL r �d'u. 1 Ud'LL r f:JKLL 1 OZ I O r O: 1- J 1 K F J 1 CN I-• J r C'. 1� J 11 I f r r 1 1 i 1Z W 1= ;I 4 d U O J 11 d V �a o�z �m II 1-- J � O 0 Z O LL 1'•• 08 N .J•. 6 11.1• K .Z.1 Y m m gd 4 C 0 O U Y 71 'OO II I •7 I m I 1 of +r I I of 1 r r m r C 1 A F n O 1 o rxs V m K LL 1 P O N i 1 � 2 r O O 1 E r O r P h U w 1 S r M m W 0 r W y r S 1 H 7 U o 1 U 1 w r U r J •. Y N L W L y O y C LL s W ol cu v co 1 r = r 1 V r > V O O M M d y O PS N W N p •O.• Z � O �< In O I- 2 M , P w V J O N M N A- 1 1 —> 1 r r r O 00 J N H W K O 2 + y K r Imt 4 II 2 w 111 W I N 1 'O K C O W 1-- W W N y ir 1 1 r 1 r r r r np I 1 r 1 1 1 M I i i i i 1 1pp' 1 1 1 r 1 li tl 1 6 N i O i r i I p N �l r t� W 1 I C 1 O 1 O r O r O I U 1 1 1 1 11 11 II 1� it O r 9F,-. r 0O r M1� M1r1 1 1(1-0 1 it U r-1 r r O N M r P N OD r Il10 I 11 \1- 1 N-;: 1 0000 1 �P 1 OM1v� p >Q 1 9 . . 1 O�� 1 �-N r• r O•-N 1 11 - 000 0 0 0 1 0 0 0; 0 0 0 li it a i 11 F- Y 1 1 1 1 ii •~+ r OOJ 1 000 1 OOb 1 OOV �I 11 U 1 000 r M00 1 Oyy�1O 1 1 olt 1 1 N Q r O ..pp M 1101p O 1 O P O r• L11 0 1 li O Qi M10 �f' 1 .-10M r R, It 1 •-.r.r U 1 ; ; ; i II if 11 1 1 1 1 CKg K 1 K 1 K 1 K 1� -IL 1 6 u I N= MODO i Otiv i N ST O i 0 -0 1 OQC> 1 Wt >f OJ 1 N7m 1 .o In 1 M In 1 BOO 1� OC II 1 =Z O 1 r W if 11 d pQ > 1 r r 1 !- N 11 O 1- 1 1 1 1 1 r r r 11 go 11 .8 J i 1 r 1 11 Q{Jy I1�J C 1 11120 i M•OP i ti10V1 �.OM li U? `11- co I10mOrWt�v10 Or NII OW IHJ 0 —O -V1 r `OM . I� 1n i 2•00 11 HJ 11 x0 K> 1 r c- It Wz 11 •O-•> O ii 92 II zi II -1- 11 w ••1 II O C.1 11 O II > W 11 W 1- 1-• r vFJ t v1-J r vFJ 1 v1-J 11 N 11 Z 1 v v r v v 1 v v r v v 11 J C I p f i S F• S 7 1- 1 S r 1' if Q W 11 W9 W r t9 d•w 1 C7CLL 1 O =w 1 ow- 11 0=110 •J•. r .-+xW r xW 111 -- 11» d'1-J 1 d'HJ r wI-J 11 11 -m i ii if °a H 1 m 1 m 1 m 1 m 11 II Z 1 N r W 1 7: II II K 1 11 I r 1 r 1 11 1 I r r 1 if II U �t r ul r M r > r r O r r P II 1-• > r N r N 1 O r N 11 O o ii U 1 r 1 r II II 1 ii O NO 1 00.0 r 010 11 U •••r r -, r Mon r O O M r O N E 11 \� r vM� r POO r 0011- 1 00, 11 > Q r NON 1 N N r 99 . 1 O N 11 r 0 0 0 0 0 0 r 0 0 0 1 o 0 0 II r 1 r 1 11 1 1 r 1 11 >` 1 ~ r OOd 000 000 OO'r II U r 000 r Moo r omo r 1!11/10 I Q r O•OIn 1 •o •p0 r OPO r •O PM It 1 210 It 1 .-•OM r MltM 1 �v 1.11 U 11 II 1 1 r r pK K # 1 11 O K K li W i-m r 11�vvr�1�to 1 •o;!M r OOP r OPN II Q•••• 7J I�MU 1 NI�a- 1 Mtn 1 It r4 11 C> M 10 11 C FT••N Q 1 if a o J r r 1 1 11 QJ Q W r r r 11 U W Zf r P�00 m001 r It PN 11 1 > OJ i O�TN r v \� r I-V1M r vIiN 11 OW •-• O r 1- M P 1 In 10 r N or 1 N .r m it 1- J O 0> r r r 1 ^ 11 W Z II 7 2 I r 1 1 11.11 -I r ^ ^ r ^ 1 ^ II OU W I • CC ^ ^ r CC ^ ^ r K ^ ^ 1 v ^ ^ II > 1 N r vl-J 1 vHJ 1 v►•J 1 F-J I y I Z r v v r v v r v v r v v J K QW I g r x01- r S�f- 1 x�F 1 SOF- 11 FI- 1 W 1 HKLL r �d'u. 1 Ud'LL r f:JKLL 1 OZ I O r O: 1- J 1 K F J 1 CN I-• J r C'. 1� J 11 I f r r 1 1 i 1Z W 1= ;I 4 d U O J 11 d V �a o�z �m II 1-- J � O 0 Z O LL 1'•• 08 N .J•. 6 11.1• K .Z.1 •. Y N L W L y O y C LL s W ol cu v co 1 r = r 1 V r > V O O M M d y O PS N W N p •O.• Z � O �< In O I- 2 M , P w V J O N M N A- 1 1 —> 1 r r r O 00 J N H W K O 2 + y K r Imt 4 II 2 w 111 W I N 1 'O K C O W 1-- W W N y ir 1 1 r 1 r r r r np I 1 r 1 1 1 M I i i i i 1 1pp' 1 1 1 r 1 li tl 1 6 N i O i r i I p N �l r t� W 1 I C 1 O 1 O r O r O I U 1 1 1 1 11 11 II 1� it O r 9F,-. r 0O r M1� M1r1 1 1(1-0 1 it U r-1 r r O N M r P N OD r Il10 I 11 \1- 1 N-;: 1 0000 1 �P 1 OM1v� p >Q 1 9 . . 1 O�� 1 �-N r• r O•-N 1 11 - 000 0 0 0 1 0 0 0; 0 0 0 li it a i 11 F- Y 1 1 1 1 ii •~+ r OOJ 1 000 1 OOb 1 OOV �I 11 U 1 000 r M00 1 Oyy�1O 1 1 olt 1 1 N Q r O ..pp M 1101p O 1 O P O r• L11 0 1 li O Qi M10 �f' 1 .-10M r R, It 1 •-.r.r U 1 ; ; ; i II if 11 1 1 1 1 CKg K 1 K 1 K 1 K 1� -IL 1 6 u I N= MODO i Otiv i N ST O i 0 -0 1 OQC> 1 Wt >f OJ 1 N7m 1 .o In 1 M In 1 BOO 1� OC II 1 =Z O 1 r W if 11 d pQ > 1 r r 1 !- N 11 O 1- 1 1 1 1 1 r r r 11 go 11 .8 J i 1 r 1 11 Q{Jy I1�J C 1 11120 i M•OP i ti10V1 �.OM li U? `11- co I10mOrWt�v10 Or NII OW IHJ 0 —O -V1 r `OM . I� 1n i 2•00 11 HJ 11 x0 K> 1 r c- It Wz 11 •O-•> O ii 92 II zi II -1- 11 w ••1 II O C.1 11 O II > W 11 W 1- 1-• r vFJ t v1-J r vFJ 1 v1-J 11 N 11 Z 1 v v r v v 1 v v r v v 11 J C I p f i S F• S 7 1- 1 S r 1' if Q W 11 W9 W r t9 d•w 1 C7CLL 1 O =w 1 ow- 11 0=110 •J•. r .-+xW r xW 111 -- 11» d'1-J 1 d'HJ r wI-J 11 11 -m i ii if °a H 1 m 1 m 1 m 1 m 11 II Z 1 N r W 1 7: II II K 1 11 I r 1 r 1 11 1 I r r 1 if II U �t r ul r M r > r r O r r P II 1-• > r N r N 1 O r N 11 O o ii U 1 r 1 r II II 1 ii O NO 1 00.0 r 010 11 U •••r r -, r Mon r O O M r O N E 11 \� r vM� r POO r 0011- 1 00, 11 > Q r NON 1 N N r 99 . 1 O N 11 r 0 0 0 0 0 0 r 0 0 0 1 o 0 0 II r 1 r 1 11 1 1 r 1 11 >` 1 ~ r OOd 000 000 OO'r II U r 000 r Moo r omo r 1!11/10 I Q r O•OIn 1 •o •p0 r OPO r •O PM It 1 210 It 1 .-•OM r MltM 1 �v 1.11 U 11 II 1 1 r r pK K # 1 11 O K K li W i-m r 11�vvr�1�to 1 •o;!M r OOP r OPN II Q•••• 7J I�MU 1 NI�a- 1 Mtn 1 It r4 11 C> M 10 11 C FT••N Q 1 if a o J r r 1 1 11 QJ Q W r r r 11 U W Zf r P�00 m001 r It PN 11 1 > OJ i O�TN r v \� r I-V1M r vIiN 11 OW •-• O r 1- M P 1 In 10 r N or 1 N .r m it 1- J O 0> r r r 1 ^ 11 W Z II 7 2 I r 1 1 11.11 -I r ^ ^ r ^ 1 ^ II OU W I • CC ^ ^ r CC ^ ^ r K ^ ^ 1 v ^ ^ II > 1 N r vl-J 1 vHJ 1 v►•J 1 F-J I y I Z r v v r v v r v v r v v J K QW I g r x01- r S�f- 1 x�F 1 SOF- 11 FI- 1 W 1 HKLL r �d'u. 1 Ud'LL r f:JKLL 1 OZ I O r O: 1- J 1 K F J 1 CN I-• J r C'. 1� J 11 I f r r 1 1 i 1Z W 1= ;I 4 d U O J 11 d V �a o�z �m II 1-- J � O 0 Z O LL 1'•• 08 N .J•. 6 11.1• K .Z.1 rc �!!1 v1 �s Y M oL N i ri �i m S�I s+ �I O�I O Ili J 11 N N 71 OI U I of M I pL� ai A I F 1 1 � 1 �1 1 1 w I OI N11 O 1 9I \ I I 1 m�v �j O�N !I m I o Y 1 �p 11 COQ I O I � 1 0 m u a a� N � 1 Y I 01 M I 0 � 1 m 1 0 •Y 1 0 i q 1� i i i i 11 1 Y I •Yt I � Z •• E f fA Y II � ItI i i i 11 SK Z ZC 1 I d• II 2 K �1 i C P d I / N w w $� 1 iN. 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U r U 1 J H K 3 It 1 N 1 W 1 If 11 r U O J a V W 9 w S a O = o H m x O �r K z p am wZ.r • .J 1. a U O J d w U W Oj 1. OJ � r In I �r 2 O'. r= 0 w O °am � Z 1 INTERSECIIOH: 13 141-9 STREET-TASSAJARn ED E-17 STREET-NO. PRO 4 OF PHASE'S RIGHT THRU LEFT NS SPLIT N, FI L V0Loou=i /= n� ACCESS INTERSECTION: 13 H-S STREET:TASSAJARA RD E-11 STPEET-NO. PRO- ACCESS JURISDICTION:CITY OF DUBLIN METHOD -CCTA COUNT DATE: TIME :BUILDOUT PEAN HOUR :PM OF PHASES RIGHT THRU LEFT KS SPLIT ? M -----FILES ------- NO 0 2890 44 G= UOLUME=2 7= GIO €E',si`:ii;iEf -; 1u3 uni'vULAY :i°s8iLY616 vet• z..i5 aG /UZI /vj33 IHTERS LOT IOIIa 14 ,J -S STREETaTASSAJARA RD E -11 STREET:SO. PROJ. ACCESS JURISDIGTIO]:CITY OF DUBLIN METHOD -CCTA COUNT ` +ATE' TINE aBUILDOUT PEAT€ HOUR :AM -{ 2 of 21 -{ 2 Q f 2 4 OF PHASES nIGHT THRU LEFT €73 SPLIT ? N ----- FILES - - - - --- 3 0 3139 1 NO 3 0 1738 4 NO A =ids•; c 8 S C- LEFT 0 0.0 0.0 3.0 1.0 1.0 e- 3 :TIGHT D= L-FY 0 0.0 0.0 3.0 E= THRU 0 -�- 0.0 (NO. OF LA<ES> 0.0 -ti- 0 THEW 1= V 0 �� '. E= TPRU 0-+ 0.0 WO. 2 == ® , 0.0 S- RIGHT 0-1 0.0 0.0{{ 3.0 1.0 1.0 � 60 LEFT 3= RIGHT 0--j 0.0 0.0 3.0 EV Sr-LIT ? 40 LEFT 3= V SPLIT ? -g--] 5= NO © 847 20 Ell NO 7= 2932 65 VOLUME =1 UOLUME=2_ 8= NB CUC:L = 0.0300 9= EB CUC:R = 0.0000 NB CUC:T =0.5682 TOTAL U/C 0.64 HZEEIIE T SB CUC:T = 0.6083 LOS B CAP= eery n11- -ra MnAQ 0.59 c I.P ❑T}TAd WT!@1 T?1 lJ 6J PRP.i =PRM iGIR 1Ni1'.iSshul1UCr L;HYfdl:11Y HV7HLY6116 ver 6.3z) lz /ra�oel� INTERSECTION: 14 N -S STREETaTASSAJARA RD E -41 STREET-SO. PROJ. ACCESS JURISDICTION:CITY OF DUBLIN HETHOD :CCTA COUNT DATE: TIME :BUILDOUT PEAR HOUR :PM -{ 2 Q f 2 1: OF PHASES RICH THRU LEFT KS SPLIT ? 14 - - -- -FILES - 3 0 1738 4 NO A =ids•; c 8 S B L-FY 0 0.0 0.0 3.0 1.0 1.0 2 RIC fT D= E= TPRU 0-+ 0.0 WO. OF LnNES> 0.0 S- 0 THRU 4- RIGHT 0--j 0.0 0.0 3.0 1.0 1.0 40 LEFT 3= V SPLIT ? -g--] , I `r 4= 5= Ell NO 0 2932 65 6= UOLUME=2_ 8= NB CUC:T =0.5682 EB CUC:R = 0.0000 TOTAL U/G 0.59 CIE'- SB CUC:L = 0.0023 LOS A CAP= yen -'.- - -11 C A.IAF7VAUTlll Al 6J M ppm =pp" Appendix F: Excerpt from the Dublin Ranch West Supplemental Environmental impact Report (pages 103 -107) Initial Study/Mitigated Negative Declaration for the Vargas Project March 2007 City of Dublin 6 Hacienda Drive/ Gleason Drive 0.12 A 0.10 A 7 Santa Rita /I -580 Eastbound 0.60 A 0.68 B Ramps/ Pimlico Drive 8 Tassajara Road /I -580 Westbound Ramps 0.44 A 0.59 A 9 Tassajara Road /Dublin Boulevard 0.43 A 0.54 A 10 Tassajara Road / Central Parkway 0.47 A 0.45 A it Tassajara Road /Gleason Drive 0.47 A 0.52 A 12 Tassajara Road /South Dublin Ranch 042 A 0.48 A Drive 13 Tassajara Road /North Dublin Ranch 0.44 A 0.36 A Drive 14 Tassajara Road /Quarry Lane School 0.43 A 0.38 A Driveway 15 Tassajara Road/ Northern Project Access 0.67 B 0.64 A 16 Tassajara Road /Fallon Road (Future Intersection) 19 Fallon Road /Dublin Boulevard (Future Intersection) 20 Fallon Road /Gleason Drive (Future Intersection) 21 Fallon Road / Anton Way 0.12 A 0.13 A 22 Hacienda Drive /Martinelli 0.30 A 0.34 A Way /Hacienda Crossings A.M. Peak Hour P.M. Peak Hour ID UnsignaIized Intersections` Delay LOS Delay LOS sec /v h sec/veh El Charro Road /I -580 Eastbound Ramps _ 17 - Eastbound I -580 EB Off -ramp (18.9) (C) (20.8) (C) Approach Fallon Road/ I -580 Westbound Ramps 18 - Westbound 1 -580 WB Off -ramp (12.3) (B) (11.9) (B) Approach Note: We = volume to capacity ratio; LOS = Level of Service; X.X (X.X) = Overall Intersection Delay or LOS (Minor Movements Delay or LOS). 'HCM 2000 methodology does not report the overall intersection delay for one -way STOP intersections. Source: TJKM Transportation Consultants, 2004 Supplemental Traffic Impact TRA -2 Impacts to study intersections under Buildout conditions. The Buildout scenario includes the Baseline plus Project scenario added to full buildout of all approved developments and all land uses included in the adopted General Plans for Dublin, Pleasanton and the Dougherty Valley. It is estimated that the Buildout projects in Dublin, Pleasanton and Dougherty Valley, combined, would generate a total of approximately 376,437 additional Dublin Ranch West Draft Supplemental EIR Page 103 City of Dublin November 2004 daily trips, with 27,641 trips occurring during the a.m. peak hour, and 36,985 trips occurring during the p.m. peak hour. These trips include the vehicle trips that are expected to be generated by the approved but not constructed IKEA project that is to be located at the southwest corner of Dublin Boulevard and Hacienda Drive. Trip distribution assumptions for the Buildout projects were developed based on information from other previous traffic studies, knowledge of the area, an origin and destination survey conducted in April 2003, and consultation with City staff. Traffic generated by the developments in Dublin, Pleasanton and Dougherty Valley was assigned to the roadway system using the software TRAFFIX. The assigned traffic was added to the Baseline plus Project turning movement volumes to obtain Buildout traffic forecasts. Traffic assignments used the closest proximity interchanges to access I -580 while traffic was also distributed more evenly among the interchanges in a manner consistent with the effects of ramp metering on traffic patterns in the study area. The Buildout TRAFFIC model used in this study represents the conditions of approved, pending and buildout projects (including II<:EA) in Dublin, as well as approved and buildout projects within the City of Pleasanton, and Dougherty Valley in Contra Costa County. This TRAFFIX model was developed jointly by Fehr & Peers and TJKM Transportation Consultants to distribute and assign traffic to the study intersections and analyze projects in Dublin. The model was developed in order to better understand traffic on a local level, such as at key intersections and local streets, which a regional model, such as the 2025 Tri- Valley Model, does not fully consider. While the TRAFFIX model uses a local focus approach to forecast traffic within the City of Dublin, the model also takes into account regional traffic patterns by considering potential traffic diversions from 1 -580 to adjacent surface streets within the I -580 corridor. The output from the TRAFFIC model is shared with other consultants to maintain consistency in the City of Dublin. The final traffic forecasts in this study were also compared to Pleasanton's forecasts at affected interchanges for consistency between models. Buildout roadway improvements Additional roadway improvements beyond those discussed previously in this report are planned within the Eastern Dublin area and are assumed in the Buildout conditions analysis. They include: Dublin BoulevardlTassajara Road Capacity Improvements: Addition of two westbound left -turn lanes, one through lane and one right -turn lane; one northbound left-turn lane and two through lanes; one eastbound left -turn lane and one through lane; and one southbound left-turn lane. Some of these improvements have been constructed, but not necessarily opened to traffic (Eastern Dublin TIF improvement). Scarlett Drive Extension: Extension of Scarlett Drive from Dublin Boulevard north to Dougherty Road and associated intersection improvements at Dublin Boulevard / Scarlett Drive and Dougherty Road / Scarlett Drive, as identified in the Transit Center EIR (Eastern Dublin TIF improvement). With the Dublin Ranch West Draft Supplemental EIR Page 104 City of Dublin November 2004 Scarlett Drive extension, it was assumed that 75 percent of the volumes fir the southbound left turn from Dougherty Road onto Dublin Boulevard and the westbound right turn from Dublin Boulevard onto Dougherty Road were assumed to shift to the Scarlett Drive extension. Dublin Boulevard/Hacienda Drive Capacity Improvements: Addition of one westbound right -turn lane and conversion of a northbound right -turn lane to a third through lane (Eastern Dublin TIF improvement). Hacienda Drive Widening: Widening of southbound Hacienda Drive from one to two through lanes from Gleason Drive to Central Parkway (Eastern Dublin TIF improvement). Central Parkway Widening: Widening of Central Parkway from two to four through lanes between Arnold Road and Tassajara Road (Eastern Dublin TIF improvement). Hacienda Drive /I -580 Westbound Off -ramp Capacity Improvements: Widening of the northbound Hacienda overpass to four lanes to accommodate an exclusive lane leading to the I -580 westbound loop on -ramp, and addition of one shared right /left-turn lane on the off -ramp approach (Eastern Dublin TIF improvement). These improvements are also identified in the Transit Center and East Dublin Properties EIRs. Hacienda Drive /I -580 Eastbound off -ramp capacity improvement: Addition of one shared right /left -turn lane on the off -ramp approach (Eastern Dublin TIF improvement). This improvement is also identified in the East Dublin Properties (EDPO) EIR. Dublin Boulevard /Dougherty Road Capacity Improvement: Addition of related ultimate improvements such as the widening of the I -580 westbound diagonal on -ramp at Dougherty Road to two single- occupancy - vehicle lanes, as identified on pages 159 and 167 of the Transit Center Draft EIR and page 3.6-17 of the East Dublin Properties Draft Supplemental EIR. These improvements are expected to occur with the development of the Transit Center project (Eastern Dublin TIF Improvement). Fallon Road Extension: Extension of Fallon Road north to Tassajara Road to include four lanes of traffic (Eastern Dublin TIF Improvement). Under this scenario, Dublin Boulevard (six lanes), Central Parkway (four lanes) and Gleason Drive (four lanes) are assumed to be extended to Fallon Road. Table 16 summarizes the results of the LOS analysis. The detailed LOS calculations are contained in Appendix F of the Traffic Study. Dublin Ranch West Draft Supplemental EIR Page 105 City of Dublin November 2004 Table 16. Intersection Level of Service under Buildout Conditions Source: TJKM I ransponation Consultants, ZUU4 Note: v/c = volume to capacity ratio; LOS = Level of Service; X.X (XA = Overall Intersection Delay or LOS (Minor Movements Dublin Ranch West Draft Supplemental EIR Page 106 City of Dublin November 2004 A.M. Peak Hour P.M. Peak Hour ID Signalized Intersections v/c LOS v/c LOS 1 Dougherty Road /Dublin Boulevard 0.76 C 0.92 E 2 Drive /I -580 Eastbound 0.73 C 0.70 B Ramps 3 Hacienda Drive /I -580 Westbound 0.82 D 0.50 A 4 Hacienda Drive/ Dublin Boulevard 0.67 B 0.98 E 5 Hacienda Drive/ Central Parkway 0.57 A 0.58 A 6 Hacienda Drive/ Gleason Drive 0.32 A 0.51 A 7 Santa Rita /I -580 Eastbound 0.89 D 0.89 D Ramps/ Pimlico Drive 8 Tassajara Road /I -580 Westbound 0.78 C 0.83 D Ramps 9 Tassajara Road /Dublin Boulevard 0.65 B 0.82 D 10 Tassajara Road /Central Parkway 0.67 B 0.65 B 11 Tassajara Road/ Gleason Drive 0.67 B 0.73 C 12 Tassajara sVajara Road /South Dublin Ranch 0.70 B 0.64 B D 13 Tassajara, Road /North Dublin Ranch 0.66 B 0.52 A Drive 14 Tassajara Road /Quarry Lane School 0.64 B 0.50 A Driveway 15 Tassajara Road /Northern Project 064 B 0.62 B Access 16 Tassajara Road /Fallon Road 0.27 A 0.47 A 17 R Charro Road /I -580 Eastbound 0.50 A 0.74 C 18 Fallon Road /I -580 Westbound Ramps 0.51 A 0.73 C 19 Fallon Road /Dublin Boulevard 0.64 B 0.86 D 20 Fallon Road/ Gleason Drive 0.30 A 0.43 A 21 Fallon Road / Anton Way 0.24 A 0.28 A 22 Hacienda Drive/ Martinelli 0.54 A 0.89 D Way/ Hacienda Crossings Source: TJKM I ransponation Consultants, ZUU4 Note: v/c = volume to capacity ratio; LOS = Level of Service; X.X (XA = Overall Intersection Delay or LOS (Minor Movements Dublin Ranch West Draft Supplemental EIR Page 106 City of Dublin November 2004 As shown in Table 16, twenty of the 22 study intersections are expected to operate acceptably during the AM and PM peak hours under Buildout. The remaining two intersections of Dublin Boulevard/ Dougherty Road and Dublin Boulevard/ Hacienda Drive are expected to operate below LOS D during the p.m. peak hour despite the planned roadway improvements. Dublin Boulevard /DoughgiU Road. The Eastern Dublin EIR identified significant impacts to this intersection based on potential LOS F operations. (Impact 3.3/F.) Mitigation measure 3.3/6.0 called for future construction of additional lanes to maintain LOS D operations, with fair share funding contributions from new development in Eastern Dublin. The City has adopted an Eastern Dublin Traffic Impact Fee in compliance with this mitigation. The Project is subject to this fee, and other adopted traffic impact fees. As shown in Table 16, above, however, the intersection is projected to operate at LOS E with planned intersection improvements. This reduction in intersection operations from the Eastern Dublin EIR would be a siQr�ufi' cant supplemental impact As mitigation, the Project traffic analysis recommends installation of a fourth exclusive through lane on eastbound Dublin Boulevard. However, this improvement is not feasible given the physical constraints at this intersection. Thus, intersection operations would be a sup2plemental significant unavoidable i=act Dublin Boulevard /Hacienda Drive. The Eastern Dublin EIR identified significant cumulative impacts to this intersection based on potential LOS F operations, noting that no further widening of the intersection would be feasible. (Impact 3.3/M.) Mitigation measure 3.3/13.0 called for the City to participate in regional transportation studies and funding programs. The City has so participated, and the Project will be subject to adopted regional traffic fees. As shown in Table 16 above, the intersection is projected to operate at LOS E with planned intersection improvements; this is an improved operation compared to the LOS identified in the Eastern Dublin EIR. As mitigation, the Project traffic analysis recommends installation of a fourth exclusive through lane on eastbound Dublin Boulevard. Consistent with the Eastern Dublin EIR, and as noted above, this improvement is not feasible given the physical constraints at this intersection. With the slightly improved operation at this intersection, there are no significant impacts beyond those identified in the Eastern Dublin EM and thus no supplemental impacts would occur. SuI2121emental Impact TRA -3. Cumulative increase of Project related traffic on adjacent freeways. . Development in Eastern Dublin was identified as a significant unavoidable cumulative impact in the Eastern Dublin EIR (reference impact IM 3.3/B, I -580 freeway, 1-680 Freeway- Hacienda). The cumulative daily traffic volumes projected in the Eastern Dublin EIR (reference Table 3.3-9) on the 1-580,1-680 freeways are close to the year 2003 Dublin Ranch West Draft Supplemental EIR Page 107 City of Dublin November 2004