HomeMy WebLinkAboutItem 7.1 Union Pacific Railroad GP
CITY CLERK
File # D[J~@]-~[QJ
AGENDA STATEMENT
CITY COUNCIL MEETING DATE: April 1 , 2008
SUBJECT:
P A 02-053 General Plan Amendment Study for the 19-Acre
Union Pacific Railroad and Alameda County parcels adjacent to
the Iron Horse Trail
Report prepared by Kristi Bascom, Consulting Planner
ATTACHMENTS: 1)
2)
RECOMMENDATIO~~
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3)
FINANCIAL STATEMENT:
Proj ect Area Map
Transportation Corridor General Plan Amendment Study
completed by RBF Consulting
Preferred Vision Plan
Receive Staff presentation.
Receive the General Plan Amendment Study report.
Provide Staff with direction on the five General Plan Land
Use options presented.
None at this time.
PROJECT DESCRIPTION:
Background
In 2002, Trumark Properties submitted a request to the City of Dublin to initiate a General Plan
Amendment to consider a residential land use designation on the two subject properties owned by
Alameda County and Union Pacific Railroad (See Attachment I). The combined 19-acre properties are
undesignated on the City of Dublin General Plan Land Use Map. Therefore, applying any land use
designation would require a General Plan Amendment. The properties are identified as "Unclassified" on
the City's Zoning Map.
The Trumark proposal was not well received by the neighboring community, and Trumark's request was
withdrawn before the scheduled City Council meeting. Many residents attended the meeting to voice
concerns over a proposal to place a residential land use designation on the properties. As a result of the
public comment received, at a subsequent meeting, the City Council authorized the preparation of a
General Plan Amendment study to consider ParkslPublic Recreation, Public/Semi Public, or Open Space
land use designations only on the property.
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COpy TO: Property Owners
File
ITEM NO.~
Page 1 of 4
G:\PA#\2002\02-053 UP ROW GPA Study\CCSR GPA 4-01-08.DOC
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In October 2003, the City Council was looking at potential locations for future parks in Dublin in order to
correct the City's anticipated 53-acre parkland deficit as detailed in the Parks and Recreation Master Plan.
The Dublin Square Shopping Center and the Alameda CountylUnion Pacific Right of Way sites were
determined to be the top two sites to consider. On May 18, 2004, the City Council authorized Staff to
proceed with appraisals and environmental work on the two sites and approved a budget change request to
fund the studies. Work did not begin immediately on the actual land use/General Plan analysis portion of
the study for the Alameda CountylUnion Pacific Right of Way site due to other City Council priorities,
but completion of the project was identified as a high priority item on the City Council's Goals and
Objectives for Fiscal Year 200612007.
In 2006, the City hired RBF Consulting to engage the community in a discussion of possible uses for the
Alameda County and Union Pacific properties and create 3 conceptual land use plans that explore a
variety of different public-benefit uses (including both active and passive recreational opportunities) on
the 19-acre linear site.
As part of this community process, the City held two public workshops in October and November 2006 to
discuss the community's vision for the project site. More than 60 people attended the two workshops, and
sent in written comments. Staff was clear that the only options to be studied were those identified by the
City Council, and the community members that attended the workshops were overwhelmingly in support
of the site being used for open space and/or passive park-type uses. The full summary of the Community
Visioning process, including the Preferred Vision Plan, is included with this staff report for reference (see
Attachments 2 and 3).
In June 2006 an event happened along this corridor which may also influence land use and acquisition
decisions. The high pressure fuel line which runs along the corridor under the Alameda County property
developed a leak and spilled into the adjacent soil, a water line trench, storm drain trench and into South
San Ramon Creek. There is liability that comes from owning property that has this type of easement and
fuel line that should be evaluated as part of the City Council's decision-making.
ANALYSIS:
Combined together, the properties are 5,900 feet long and 150 feet wide at the widest point - 100 feet of
the total width belonging to Union Pacific and 50 feet to Alameda County. Additionally, the properties
contain a variety of utilities and, initial biological reports indicate there are sensitive resources on both
properties.
The following General Plan land use categories (as described below) were studied for the project site:
Open Space: Areas dedicated as open space on subdivision maps, slopes greater than 30 percent,
stream protection corridors, woodlands, and grazing lands.
Parks/Public Recreation: Publicly owned parks and recreation facilities.
Public/Semi Public Facilities: A combination land use category of Public Facilities land uses and
Semi-Public Facilities land uses. Public Facilities are uses other than parks owned by a public
agency or non profit entity that are of sufficient size to warrant differentiation from adjoining uses
are labeled. Such uses include public schools, libraries; city office buildings; State, County and
other public agency facilities; post offices; fire stations; utilities; and, Civic Center. Semi-Public
Facilities uses are quasi-public uses, such as child care centers, youth centers, senior centers,
special needs program facilities, religious institutions, clubhouses, community centers, community
Page 2 of4
theatres, hospitals, private schools, and other facilities that provide cultural, educational, or other
similar services and benefit the community. A Semi-Public Facility may be used for more than one
such use. Development of housing on a site designated on the General Plan as Semi-Public
Facilities shall be considered consistent with the General Plan when it is developed by a non-profit
entity and serves to meet affordable housing needs or the housing needs of an underserved
economic segment of the community. Determination as to whether housing should be permitted on
a specific Semi-Public Facilities site and the acceptable density and design will be through review
of a Planned Development proposal under the Zoning Ordinance.
With the current menu of General Plan land use designations, it would be challenging to accommodate the
community's desire to have the properties used for limited recreation and/or open space uses. The most
appropriate General Plan Land Use Designation would be Open Space. However, given the description of
allowable uses in the Open Space Land Use Designation (including slopes greater than 30 percent, stream
protection corridors, woodlands, and grazing lands), the subject properties do not fit within the current
category. Should the City Council determine that the properties should be designated Open Space, a new
category of Open Space would need to be developed in the General Plan.
Additionally, it is important to note that if the properties were designated either Open Space or
ParkslPublic Recreation, they would likely need to be acquired by the City or a public agency that
operates open space. The appraisal conducted in 2004 for the City's Parkland Deficit Study estimated the
value of the two properties was several million dollars. Acquisition of the properties would also involve
assuming potential liability for future issues that may occur as a result of the location of the high pressure
gas line located under the properties.
Staff is requesting direction from the City Council to either proceed with a General Plan Amendment for
one of the land use designations that were studied, or in the alternative, provide direction to explore other
land uses not previously considered as identified below:
1. Accept the General Plan Amendment Study report and the results of the community
workshops, and do nothing at this time.
2. Accept the General Plan Amendment Study report and the results of the community
workshops, and provide direction to proceed with amending the General Plan land use
designation for the two subject properties to a new category of Open Space.
3. Accept the General Plan Amendment Study report and the results of the community
workshops, and provide direction to proceed with amending the General Plan land use
designation for the two subject properties to Parks/Public Recreation.
4. Accept the General Plan Amendment Study report and the results of the community
workshops, and provide direction to proceed with amending the General Plan land use
designation for the two subject properties to Public/Semi-Public Facilities. This option
would allow for some housing on the site as well as the possibility of governmental or semi-
public uses such as houses of worship, or clubhouses.
5. Accept the General Plan Amendment Study report and the results of the community
workshops, and provide other direction to Staff. Other direction might include the
development of a new general plan designation that would be a type of agriculture designation,
but more suited to urban areas.
Page 3 of 4
ENVIRONMENTAL REVIEW
The General Plan Amendment study up to this point has been categorically exempt from CEQA, pursuant
to the CEQA Guidelines Section 15306, because this project consisted of data collection and evaluation
only. Depending on the direction provided by the City Council, additional environmental review could be
conducted to determine the potential environmental impacts of any General Plan land use designation
changes prior to any action by the Planning Commission and the City Council.
PUBLIC NOTICING:
Although this is not a public hearing item, Staff sent notice to all residents and property owners within
500 feet of the project site as well as Alameda County, Union Pacific Railroad, and other interested
parties. Notices were sent to nearly 1,000 addresses.
RECOMMENDATION:
Staff recommends that the City Council 1) Receive Staff presentation, 2) Receive the General Plan
Amendment Study report, and 3) Provide Staff with direction on the five General Plan land use options
presented.
Page 4 of 4
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Table of Contents
List of Figures
Section 1: Introduction .................................................................................................................1
Figure 1: location Map ................................................................................................................1
Section 2: Existing Conditions....... ........................ ... ................... ............... ...................................2
Figure 2: Existing Conditions. ... ..................................... .................... ................................... ........3
Section 3: Community-Based Planning Process ...........................................................................13
Figure 3: General Plan land Use Designations and Zoning Districts .............................................4
Section 4: Possible Implementation Recommendations................................................................27
Figure 4: Section Drawings ..........................................................................................................5
Appendix A: Biological Reconnaissance Survey Results .............................................................. A-I
Figure 5: Potential Wetlands .......................................................................................................7
Figure 6: Infrastructure and Utilities ............................................................................................9
Figure 7: Opportunities and Constraints.................................,...................................................11
Figure 8: Restore Vision Plan......................................................................................................17
Figure 9: Enhance Vision Plan .................................................................................................... 19
Figure 10: Expand Vision Plan ....................................................................................................21
Figure 11: Preferred Vision Plan .................................................................................................25
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Section 1: Introduction
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Figure 1: Location Map
The Union Pacific Railrood's San Romon Branch Line, stretching from Pleasanton to Pleasont Hill,
opened in 1891. Although the Bronch Line wos 0 significant transportation asset for the region, it
began ta lase its significance as the automobile grew in popularity. By the 1970s the rail line was a
shadow of its former self, ond rail operations along the line ended in 1978.
In the summer of 2006, the City Council authorized City Staff and RBF Consulting's Urbon Design
Studio to conduct a community-bosed planning process to develop a vision for this segment of the
former transportation corridor. The process was used to determine the community's preferred General
Plan land use designation(s) for the two properties, and illustrate a conceptual land use plan(s) for
future uses.
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The next several years saw considerable debate about the future of the railroad right.of-way, including
a proposal for light rail. Contra Costa County and Alameda County gradually purchased or obtained
easements over segments of the right-of-way. Portions of the right-of-way were redeveloped with 0
variety of uses, including the Iron Horse Trail. Today, several segments of the right-of-way remain
vacant, including a large segment within the City of Dublin.
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The project site within Dublin is located just east of the Iron Horse Trail and extends from Alamo Creek
to the County line and the City of Dublin/City of San Ramon City limit line (see Figure 1). This project .
site covers 19 acres, is approximately 5,900 feet long, and ranges in width from approximately 100
feet to 150 feet.
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A substantial public outreach effort was conducted to prepare a community-based vision for the project
site (see Sedion 3). local residents developed initial vision concepts at a design workshop in Odaber
2006. R8F Consulting then developed three alternative vision plans based on the concepts and ideas
of the local residents (see Sedion 3). Those concepts were presented bock to the community at a
design workshop in November 2006. AI this workshop, a preferred vision plan was identified. The
community's preferred vision plan involves the restoration of the corridor to a natural state. The projed
site could be enhanced with native grasses and trees, expanded and restored wetlands, and a trail
connecting Stagecoach Park to the Iron Horse Trail (see Sedion 3).
This report summarizes the process and the results of the project. The report is organized into the
following sedions:
. Section 1: Introdudion
. Section 2: Existing Conditions
. Sedion 3: Community-Based Planning Process
. Section 4: Implementation Recommendations
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Section 2: Existing Conditions
Site Location and Context
The former transportation corridor (the project site) consists of a relatively narrow and long strip of land
that is immediately east of the Iron Horse Trail between Alamo Creek and the City of Dublin/City of San
Ramon City limit line (see Figure 1). Amador Valley Boulevard crosses through the southern segment
of the project site.
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The current zoning district for the site is .unclassified", and the properties do not have General Plan
land use designations. The General Plan land use designations and zaning districts for surrounding
properties are shown on Figure 3.
The project site is located between two established residential neighborhoods. land uses immediately
adjacent ta the site include single-family and multi-family homes and Stagecoach Park along the
eastern edge of the site, and the Iron Horse Trail and the Zone 7 Drainage Channel along the western
edge of the site. Dublin High Schaol and single-family homes are alsa located near the site to west of
the Iron Horse Trail and the Zone 7 Drainage Channel (see Figure 2). Alamo Creek defines the
southern edge of the property. Vacant property and a storage facility (within the City of San Ramon)
are located north of the project site.
Site Condition5
The 19-acre project site is approximately 5,900 feet long and ranges in width from approximately 100
feet to 150 feet. The site consists of two parcels. The County of Alameda owns the eastern parcel,
and the western parcel is owned by the Union Pacific Railroad.
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Topo';jraphy
The project site is relatively Rat when compared to its surroundings. Railing hills are located just east of
the site. Single-family and multi-family homes built on the hills overlook the site. Rainwater Rows from
the hills, across the project site, and into the Zone 7 Drainage Channel.
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Within the project site, there are subtle changes in topography. The site contains a constructed berm
that is elevated above the natural grade of the site. The railroad tracks were previously located on the
berm. The top of the berm contains gravel and rock deposits. lower depressions are located along
both sides of the berm. Figure 4 illustrates five cross section views of the project site. The cross sections
show the changing topographic conditions of the site in relationship to the surrounding topography and
land uses.
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Figure 3: General Plan Land Use Designations and Zoning Districts
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0 Single Family Residential - Retail I Office 0 Stream Corridor D PO
- Medium-Density Residential - Business Park / Industrial IEJ] Parks I Public Reaeation 0 R-l
- Med/High-Density Residential - Public I Semi-Public - Open Space 0 R-2
Note: There is no General Plan land use designation for the project site.
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Vegetation and BiotiC Communities
LSA Associotes (LSA) prepared a biological reconnaissance survey of the projed site in Odober of 2006
(see Appendix A).
Vegetation on the projed site primarily consists of non-native grasses, including wild oat, Italian
ryegross, and ripgut brome. A few small areas also contain creeping wildrye, a native grass. A
number of non-native ruderal forbs and several oak and willow trees are scattered throughout the site.
Congdon's tarplant, a special-status plant species, could potentially grow on the site but was not
identified during the field survey.
There are a number of seasonally wet depressions in low-lying areas on both sides of the former'
railroad tracks (see Figure 5). These seasonally wet depressions could be classified as jurisdidional
wetlands. The U.S. Army Corps of Engineers is responsible for regulating jurisdidional wetlands. A
formal wetlands delineation and permit approvols from the Corps would be required prior to any
modifications to these areas.
The site provides foraging and nesting habitat for a variety of bird species, including pheasants, wild
turkey, hawks, pigeons, hummingbirds, and sparrows. Migratory birds, such as mallards, great blue
heron, and green heron, also utilize the projed site and the nearby Zone 7 Drainage Channel. Special
status bird species that could nest on the site include the Cooper's Hawk and the white tailed- kite.
Burrowing owls could olso nest within squirrel burrows on the site.
In addition to birds, the projed site provides hobitat for a variety of wildlife species. These species
include frogs and toads, lizards, snakes, squirrels, gophers, mice, rabbits, raccoons, skunk, and deer.
Vehicle Access
Vehicle access to the projed site is limited to Amador Valley Boulevard. No other public roads provide
an opportunity for vehicles to access the site. A lack of access points for emergency vehicles would limit
the development potential of the site. This area could be used to access to the back of properties
adjacent to the projed site.
Pedestrian Access
Currently, the projed site is privately owned and pedestrian access through the site is technically
prohibited. A chain link fence along Amador Valley Boulevard discourages pedestrian access to the
site. However, existing paths along the corridor indicate that pedestrians currently access the site to
and from the Iron Horse Trail. Informal access points are located at Stagecoach Park and from the
Amador Lakes Apartments located on the eastern edge of the projed site (see Figure 2). If the site were
to become a public right-of-way, there would be several opportunities for improved pedestrian access
to the site.
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Potential pedestrian access points could occur at:
. Amador Valley Boulevard
. Stagecoach Park
. Various points along the Iron Horse Trail, including the bridge to Dublin High School
. The apartment/condominium complexes along the corridor
. The Alamo Creek Trail
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Infrastructure and Uttl,t,es
Within and near the project site, there are a number of overhead and underground utilities (see Figure
4 and Figure 6). An underground petroleum pipeline, extending along the entire length of the site, is
located within the project site just west of the eastern boundary of the project site. The line is owned
and maintained by Kinder Morgan. Major improvements (buildings) would not likely be feasible above
the petroleum pipeline because of safety and access concerns.
An underground fiber-optic cable line is located within the center of the project site. The line is owned
and maintained by the GST Telecom.
Several underground storm drain lines cross the project site and drain into the Zone 7 Drainage
Channel, which is located to the west of the project site and the Iron Horse Trail. A number of the
single.family properties also have surface storm drainage lines that discharge directly onto the ground
surface of the project site.
An overhead power line and the Zone 7 Drainage Channel are located just west of the project site,
adjacent to the Iron Horse Trail. The surrounding residential neighborhoods are also served by a
variety of water lines, storm drain lines, and sewer lines. The water and sewer lines are maintained by
the Dublin-San Ramon Services District (DSRSD). The storm drain lines ore maintained by the City of
Dublin. The Alameda County Flood Control District maintains the Zone 7 Drainage Channel.
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Kev Opportunitie5 and Con5traint5
The key opportunities ond constroints of the site ore illustrated on Figure 7 and ore summarized below:
Opportunities
. Open space, parks and recreation, and community facilities.
. Improved pedestrian connections between the Iran Horse Trail, the Alamo Creek Trail,
Stagecoach Park, and various apartments/condominiums along the project site.
. Improve natural environment by enhancing and expanding wetlands and planting native
grasses, shrubs, and trees.
. Passive recreational uses that compliment the Iran Horse Trail (such as exercise stations)
Constraints
. Vehicle access, which is limited to Amador Valley Boulevard, limits development
opportunities
. High pressure petroleum line limits development opportunities along eastern edge of the site
. Overhead power lines
. Narrow corridor limits development opportunities
. Existing wetlands limit development potential of the site
. Fiber-optic cable line easement
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Figure 7: Opportunities and Constraints
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Section 3: Community-Based Planning Process
Desi~n Workshop #1
In October of 2006, community residents, mostly living near the project site, participated in 0 design
workshop to create 0 vision for the former railroad corridor. City Stoff and RBF Consulting described
the project and various opportunities and constraints related to the project site. A voriety of design
exercises were conducted to establish 0 vision for the project site. Exercises included sticky note
visioning, a design charrette, and a ranking exercise.
Sticky Note V'5,onln<J Exerc'5e
Sticky note visioning was the first exercise of this workshop. On sticky notes, each resident was asked to
write down the main assets of their community and their visions for the future of the project site. The
sticky notes were then clustered on the wall and those with similar ideas or themes were grouped
together. The following themes were listed os the main assets of the neighborhood and visions for the
future of the corridor:
Assets
Visions
. Natural/Wildlife
. Quiet/Privacy
. Open Space
. Iron Horse Trail
. Central Location/Facilities
. Views
. Community Feel
. Landscaping
. Natural Open Space
. Recreation Improvements
. Do Nothing (keep it as it is)
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De51gn Charrette
After the sticky note visioning exercise, 0 design charrene was canduded. The workshop participants
were divided into four table groups. Each group was given a base map, tracing paper, pens, markers,
and colored poper. The groups were then asked to explore ideas and to develop a conceptual land
use plan for the future of the project site.
Group 1
. Leave it alone
. Add native trees clusters
. Natural ponds
. Exercise stations near Iron Horse Trail
. No more access points to/from Iron Horse Trail
Group 2
. Path from Stagecooch Pork to Iron Horse Trail
. Restore trestle
. Frog ponds
. Bird flyway
. Drought tolerant/ native plants
. No sprinklers
Group 3
. Locate major improvements neor Amador Valley Blvd.
. Wetlands
. Xeroscope park
. Formal access to Stagecoach Park
. Few Benches
. Discourage connections to Iron Horse Trail
Group 4
After the concepts were prepared, each table group presented their concept back to the larger group.
The following is a summary of the major themes from the four concepts.
. Open space
. Drought tolerant/ native vegetation
. Access to/from apartments, Iron Horse Trail, and Stagecoach Park
. Rest stop
. Restore train trestle
. Children's tile art to display railroad history and wildlife
. Olive trees in "Zone 7" triangle
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Rankin'3 Excrc,c,c
After the presentation of the concepts, the residents participated in a ranking exercise. Each individual
was given five sticky dots to place on the portians of the concept plans that he/she liked or preferred
the most. For example, if a resident really liked the idea of restoring the train trestle, he/she would
place a dot next ta the restored train trestle as drawn or labeled in ane of the concept plans.
Below is a summary of the majar ideas or themes that were supported by the ranking exercise:
. Frog ponds, natural ponds
. Restore train trestle
. Wetlands, open space
. Drought talerant/native plants
. Rest stop
. Children's tile art to display railroad history and wildlife
. Formal access to Stagecoach Park
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Written Comment Forms
In addition to the workshop, comment forms were mailed to all property awners within 500 feet of the
project site. These farms asked recipients to write down their concerns and ideas related to the project
and submit them ta the City. Over 25 comment cards and emails were submitted to the City. The
major themes or ideas presented on the comment forms include:
Appropriate Uses Inappropriate Uses
. Notural Open Space . Tall Buildings
. Exercise Stations . Apartments
. Vegetation . Churches
. Picnic Facilities . Skate Park
. Benches . After-Hours Activities
. Bathrooms . Traffic Generating Activities
. Frisbee Golf
. Sport Court
. Dog Run
East Bav Retlional ParKs Input
City Staff invited the East Bay Regional Parks District (EBRPD) to participate in the process. Jamie
Perkins, Senior Planner, represented the EBRPD at the first Design Workshop and gave a brief
presentation on the Iron Horse Trail and trail facilities. Following the workshop, the EBRPD
provided odditional input to the City after visiting the project site. The EBRPD encouraged the
following:
. The creation of a formalized trail connection between Stagecoach Park and the Iron
Horse Trail (to be maintained by the City).
. The preservation of the project site as natural open space.
. Minimizing the amount of pedestrian amenities (benches, seating orea, picnic tables) to
minimize maintenance costs.
. Minimizing dense landscaping to maximize visibility along the corridor and to prevent
opportunities for inappropriate activity.
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Conceptual Vision Plan Development
Following the lirst design workshop, RBF Consulting's Urban Design Studio prepared three Vision Plans
that incorporated the ideas and themes generated at the workshop and from the written comment
forms. These Vision Plans incorporated comments ond feedback provided from Design Workshop # 1
and focused on the concepts of Restore, Enhonce, ond Expond. The Vision Plans ore described below
and illustrated on Figures 8 through 10.
R.estore VISiOn
The Restore Vision involves the restoration of the project site to a natural selling. This vision would
require some grading to remove the gravel covered railroad berm (as well as other lilled areas) and to
replace it with soil that can support new grasses, shrubs, ond trees. The existing wetlands would be
expanded and enhanced with new vegetotion to provide habitat for wildlife, including frogs and
migratory birds. The seasonal wetlands would be filled with rainwater and off-site stormwoter runoff.
They would not be irrigated by sprinklers or artificially lilled with water. In some areas, the existing
wetlands would be merged to create a large wetland. In these cases, some grading changes wauld
need to occur to connect the wetlands from a hydrologic standpoint. Native grasses, shrubs, and trees
would be planted throughout the site to create a natural open space setting. No formal pedestrian
access paints would be provided to or through the site under this vision because the intent is to have a
relatively natural and undisturbed open space setting.
Under this vision, the General Plan land use designation could be Open Space. Figure 8 illustrates the
Restore Vision in plan view.
Restore Vision Themes
. Restore site to natural state with no recreation improvements
. Enhance and expand existing wetlands
. Grade existing railroad berm and replant with native vegetation
. Incorporate native vegetation with a focus on supporting wildlife
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Potential future view I berm Is removed
and replaced with nat ve grass
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Enhance Vi5ion
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The Enhance Vision would involve minor improvements to enhance the project site beyond the Restore
Vision. Under this vision, a segment of the existing railroad berm would be converted to a formal
walking path. Access to this path would be provided from two points olong the Iron Horse Trail;
namely, Stagecoach Park and Amador Valley Boulevard. The existing train trestle would also be
restored as a pedestrian bridge along the new walking path. The existing wetlands wauld be expanded
and/or enhanced with new vegetation to provide hobitat for wildlife. The seasonal wetlands would be
filled with rainwater and off-site stormwater runoff. They would not be irrigated by sprinklers or
artificially filled with water. Native grasses, shrubs, and trees would be planted throughout the site to
create a natural open space setting.
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-Segment of the Enh
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Under this vision, the General Plan land use designation could be Open Space. Figure 9 illustrates the
Enhance Vision in plan view.
Enhance Vision Themes
. Enhance natural features with no recreation improvements
. Convert a segment of existing railroad berm ta formal pedestrian path
. Expand and enhance existing wetlands
. Plant native vegetation throughout the project site
Exlstl~g Railroad tJstle: to be resLred as a pedLtrlan bridge Lr the new trail
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. Enhance natural amenities while providing for expanded recreational and
interpretive amenities
. Convert existing railroad berm to 0 formal pedestrian path
. Restore existing train trestle as a bridge along the pedestrian path
. Create new connection trail between railroad berm and the Iron Horse Trail
. Provide interpretive plaques and informational displays along pedestrian path
. Incorporate tile artwork embedded within pedestrian path
. Install exercise stations along the pedestrian path
. Construct a playground, community garden, and passive playing field south of
Amador Valley Boulevard
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Chlldren's tile art along a trail
Expand Vision
The Expand Vision would involve more extensive changes to the project site. Under this Vision, the
existing railroad berm would be converted to a formal pedestrian path. Access to this path would be
provided from three paints along the Iron Horse Trail; namely Stagecoach Park, Amador Valley
Boulevard, and the Alamo Creek Trail. The existing train trestle would also be restored as a pedestrian
bridge along the path. Interpretive plaques and informational display stands would be provided along
the trail to educate people about the natural environment and the railroad history of the site. Tile
artwork prepared by local school children would also be embedded within the path. Recreational uses
would be located along the path, including exercise stations, benches and rest areas, a small tot.lot or
playground, a grass field for informal recreation, and a community garden. Under this vision, the
existing wetlands would be expanded and/or enhanced with new vegetation to provide habitat for
wildlife, including frogs and migratory birds. The seasonal wetlands would be filled with rainwater and
off-site stormwater runoff. They would not be irrigated by sprinklers or artificially filled with water.
Native grasses, shrubs, and trees would be planted throughout the site to create a natural open space
selling.
Under this vision, the General Plan land use designation could be Open Space (north of Amador Volley
Boulevard) and Parks and Public Recreation (south of Amador Valley Boulevard). This may require the
property to be split into two parcels. Figure 10 illustrates the Expand Vision in plan view.
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Exerflse station along a trail
Expand Vision Themes
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De5icm WorK5hop #2
A second workshop was held in November of 2006 to present the three Vision Plans and to develop a
preferred plan. This workshop included a presentation of the Vision Plans, a comfort exercise, and 0
table group exercise that included group presentations.
Comfort Exercise
After the three Vision Plans were presented, 0 comfort exercise was conducted. Each resident was
asked to place a sticky dot on a comfort scale (ranging from "very uncomfortable" to "very
comfortable") to gauge the group's collective level of comfort with each concept.
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Table Group Exercise
After the comfort exercise, residents were divided into three table groups (each representing one of the
Vision Plans). Each group was asked to determine what they liked and disliked about their favorite
Vision Plan. A representative from each group then made 0 presentalion summarizing the collective
ideas of the table group. Between each presentation and after 011 of the presentations, large group
discussions were held to gain consensus on several key points and to develop 0 concept that was
generally preferred by the collective group.
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Freferred V,s,on
By the end Of the night, there was general agreement that 0 preferred vision for the corridor would
include the following components:
. Maintain the site os natural open space.
. Enhance the natural environment with native, drought tolerant grasses, shrubs, and
trees.
.
.
.
.
Expand and enhance the existing wetlands.
Create a trail connection between Stagecoach Pork and the Iron Horse Trail.
Preserve the existing train trestle.
Provide 0 railroad history and wildlife interpretive area (information stands, plaques,
and signage) near the existing railroad trestle.
Discourage pedestrian access from Amador Volley Rood. Replace the existing chain.
link fence along Amador Volley Rood with 0 decorative fence or wall.
Remove the existing gravel railroad berm and replace with 0 natural grade and native
vegetation.
.
.
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Preferred Vi5ion Plan Development
During the second Design Workshop, the group developed a preferred vision for the corridor. The
Preferred Vision involves the restoration of the project site to 0 naturol state. This vision would require
some grading to remove the gravel railroad berm (as well as other filled areas) and to replace it with
sail that can support new grasses, shrubs, and trees.
The existing wetlands would be exponded and enhanced with new native vegetation to provide habitat
for wildlife. In some areas, the existing wetlands would be merged to create a large wetland. In these
cases, same grading changes would need to occur to connect the wetlands. The seasonal wetlands
would be filled with rainwater and off-site stormwater runoff. They would not be irrigated by sprinklers
or artificially filled with water. Native grasses, shrubs, and trees would be planted throughout the site to
create a natural open spoce setting. A formal pedestrian trail would be established between
Stagecoach Park and the Iron Horse Trail. The trail would be constructed of decomposed granite, or
other appropriote permeable material, and would be ADA accessible. An interpretive area would be
provided along the trail near the existing train trestle, which would be preserved in its existing condition.
The interpretive area would have plaques and displays providing informotion about the site's history as
a rail corridor ond the natural biological resources on the site. Pedestrian access to the trestle would
not be allowed. Basic signage would be provided around sensitive habitat areas to discourage people
and dogs from entering those areas. A decorative wall or fence would also be provided on both sides
of Amador Valley Boulevard to discouroge pedestrians from walking on the natural habitat of the site
and to encourage people to use the Iron Horse trail.
Under this vision, the General Plan land use designation could be Open Space. Figure 11 illustrates
the Preferred Vision in plan view.
Preferred Vision Themes
. Expand and enhance existing wetlands
. Plant native vegetation
. Establish formal pedestrian trail between Stagecoach Park and the Iron Horse Trail
. Incorporate interpretive and informal signage
. Preserve existing train trestle
. Provide decorative fencing along Amador Valley Boulevard
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Section 4: Possible Implementation
Recommendations
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Should the City Council decide to move forward with implementation of the preferred Vision Plan (or 0
variation thereo~, the Council and City Stoff could consider any number of the following measures to
implement the Preferred Vision:
Grant Fundina Opportunities:
The City could pursue grant funding to plan and construd the proposed improvements. Below is 0 list
of potential grants that the City should research to determine if they would apply to the proposed
projed.
. Acquire the projed site from Alameda County and the Union Pacific Railroad.
. Amend the General Plan to designate the projed site os Open Space and/or Parks and
Public Recreation.
. Update the City of Dublin Parks and Recreation Moster Plan and the City's Capitol
Improvement Program to include the proposed projed.
. Consider using the site os 0 mitigation area. Development projeds within the City and/or
County often pay mitigation fees to mitigate impads to biological resources. The fees ore
then used to create or restore biological habitats within offsite mitigation area. The projed
site could be designated os 0 mitigation area and impad fees could be used to help
restore the wetlands and native grasslands on the site.
. Consider using the enhanced and expanded wetlands os storm water retention facilities
and notural biofilters. Currently, the neighborhood to the east of the projed site drains
into the City's storm drain system, flows into underground pipes across the projed site, and
enters the Zone 7 Drainage Channel. A portion of the stormwater could be discharged
into the expanded and enhanced wetlands prior to being discharged into the Zone 7
Drainage Channel. This would serve multiple purposes. First, it would provide more water
for the seasonal wetlands and the natural wildlife. Second, it would fundion os 0 retention
basin for the Zone 7 Drainage Channel. Third, it would allow the stormwater to be
naturally treated prior to entering the Zone 7 Drainage Channel. Stormwater runoff
typically has 0 variety of sediments and pollutants. Wetlands con serve os bio filters that
naturally reduce the amount of sediments and pollutants in the starmwater. This filtering
process could help imprave the quality of water entering the Zone 7 Drainage Channel.
. Prepare a master plan and final landscape plan far the propased impravements. This
would likely require the services af a habitat restoration biolagist (with experience in
wetland restoratian), a landscape archited, and civil engineer.
.. California State Parks Non-Motorized Trails Grant Praaram: This campetitive grant
program funds the development, improvement, rehabilitation, restoration, and
enhancement of non-motorized trails and associated interpretive facilities for the purpose of
increasing public access to, and eniC?yment of, public areas for increased recreational
opportunities. Eligible applicants include cities, counties, eligible distrids, and eligible local
agencies formed for park purposes, and federally recognized California Indian tribes.
. California State Parks Recreational Trails Proaram: The Recreational Trails Program (RTP)
provides funds annually for recreational trails and trails-related projeds. The RTP is
administered at the federal level by the Federal Highway Administration (FHWA). lt is
administered at the state level by the California Department of Parks and Recreation (DPR).
Non-motorized projeds are administered by the Department's Office of Grants and Local
Services and motorized projeds are administered by the Department's Off-Highway Motor
Vehicle Recreation Division. The maximum amount of RTP funds allowed for each projed is
88% of the total projed cost. The applicant is responsible for obtaining a match amount
that is at least 1 2% of the total projed cost.
. California State Parks Habitat Conservation Fund IHCFl: The program provides funds to
local governments under the California Wildlife Protedion Ad of 1990. Cities, counties
and distrids are eligible to apply. The following categories will be funded during the
upcoming grant cycle.
1. Deer/Mountain Lion Habitat
2. Rare, Threatened, Endangered, or Fully Proteded Species Habitot
3. Wetland Habitat
4. Riparian Habitat
Funding for the abave categaries will be apprapriated in the 2007/08 FY budget.
. Five Star Restoratian Matchina Grants Proaram: The Five-Star Restaration Program provides
modest financial assistance on a competitive basis to support community-based wetland,
riparian, and coastal habitat restoration projeds that build diverse partnerships and foster
local natural resource stewardship thraugh educatian, outreach and training adivities. The
grant is administered by the Natianal Associatian of Counties, in callaboration with the
National Fish and Wildlife Foundation, the Wildlife Habitat Council, and the U.S.
Environmental Protedion Agency.
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. North American Wetlands Conservation Act Small Grants: The purpose of the 1989 North
American Wetlands Conservation Act (NAWCA), as amended, is to promote long-term
conservation of North American wetland ecosystems, and the waterfowl and other
migrotory birds, fish and wildlife that depend upon such habitat. Principal conservation
actions supported by NAWCA are acquisition, establishment, enhancement and restoration
of wetlands and wetland-associated uplands. The North American Wetlands Conservation
Council (Council) has created a Small Grants program to promote long.term wetlands
conservation activities through encouraging participation by new grantees and partners
who otherwise may not be able to compete in the Standard Grants program. Also, the
Council believes that a Small Grants program can be important in developing a pool of
new portners/grantees who eventually might participate in the Standard Grants program.
. Environmental Protection Aaencv Reaional and National Wetland Proaram Develooment
Grants: The objectives of this grant program are to assist state, tribal, local government
agencies, ond interstate/intertribal entities build capacity to protect, manage, and restore
wetlands. These grants are intended to encouroge comprehensive wetlands program
development by promoting the coordination and acceleration of research, investigations,
experiments, training, demonstrations, surveys, and studies relating to the causes, effeds,
eldent, prevention, reduction, and elimination of water pollution. Projects build the capacity
of states, tribes, and local governments to effectively protect wetland and riparian
resources. Projects funded under this program support the initial development of a wetlands
protection, restoration, or management program or support enhancement/refinement of an
existing program.
. Fish and Wildlife Service/Deoartment of the Interior North American Wetlands
Conservation Fund: Funds may be used to acquire real property interest in lands or waters,
including woter rights. Funds may also be used to restore, manage, ond/or enhance
wetland ecosystems and other habitat for migratory birds and other fish and wildlife.
Projects must provide long-term conservation for wetlands-associated migratory birds and
ather wetlands-associated wildlife.
. Fish and Wildlife Service/Deportment of the Interior Partners for Fish and Wildlife: Provides
technical and financial assistance to private landowners and Native American Tribes
interested in voluntarily restoring or otherwise improving native habitats for fish and wildlife
on their lands. Under the grant provisions, private landowners are defined to include
individuals, local governments, non-government organizations, and Native American
Tribes. Program gool is to achieve a 50 percent cost share on projects with matching funds
and in-kind contributions provided by the landowners and other partners.
. Environmental Protection Aaencv Wetland Proaram Grants - StatefTribal Environmental
Outcome Wetland Demonstration Proaram: The objective of this grant is to assist state and
tribal government agencies that want to protect, manage, and restore wetlands. The grant
is for demonstration projects that are proposed to demonstrate the eldent to which the
implementation of wetland programs (both regulatory and nonregulatory) resulted in
positive environmental outcomes, in particular no net loss, net gain, and protection of
vulneroble wetlands. The work plans contained at a minimum three basic elements:
establishment of baseline data, implementation of wetland programs, and documentation
of the environmental outcomes of the implementation of the wetland programs.
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. Deoartment of Aariculture Wildlife Habitat Incentive Proaram: This program was created to
develop upland wildlife hobitat, wetland wildlife habitat, threatened and endangered
species habitat, fish habitat and other types of wildlife habitat. Technical assistance is
provided to develop a Wildlife Habitat Development Plan for eligible participants. Cost-
share payments may be made to implement wildlife habitat practices.
. Fish and Wildlife Service/Deoartment of the Interior Miaratorv Bird Joint Ventures: Joint
Ventures are public/private partnerships that are guided by a Management Board of
public/private representatives and use a Management Boord approved Implementation
Plan that establishes Joint Venture priorities. The Implementation Plan typically includes
stepped down goals and objectives from a variety of national and international bird
planning efforts. A Joint Venture Coordinator facilitates the coordination and
implementation of the Joint Venture. The U.S. Fish and Wildlife Service provides basic
administrative funding to Joint Ventures to cover costs associated with coordination;
planning; monitoring, evaluation and applied research; communications and outreach;
and project development and implementation. Applicants must participate or intend to
participate in strategic conservation planning, implementation and evaluation activities
designed to meet Joint Venture objectives as identified in an approved Implementation Plan
and all related plans.
. California State Parks Statewide Trails Office Trails Grant Fundina Proiects: Grant projects
range from trail repoirs to full trail reconstruction, and include improving ADA accessibility
compliance, natural habitat protection, and erosion control, as well as increasing
usefulness to park and recreation users.
. California Deoortment of T ransoortation Safe Routes to Schools Proaram: This new federal
funding program is intended to imprave conditions for children in kindergarten through
eighth grade, to safely wolk and bicycle to school. Physical improvements must be located
within.a two-mile radius of a school. Applications that have the best chance of being
selected for funding are those that are developed with community participation and
incorporate key elements referred to as the five E's -education, encouragement,
engineering, enforcement and evaluation. Some expected outcomes include: increased
bicycle, pedestrian, and traffic safety around schools; more children walking and bicycling
to and from schools; decreased traffic congestion around schools; reduced childhood
obesity; improved air quality, community safety and security, cammunity involvement; and
improved partnerships among schools, local ogencies, parents, community groups, nan-
profit organizations.
. California State Parks Office of Grants & local Services land and Water Conservation
Fund: The land and Water Conservation Fund program provides funds to federal agencies,
and to the 50 states and 6 territories. The money allocated to the states may be used for
statewide planning, and for acquiring and developing outdoor recreation areos and
facilities. Eligible projects include acquisition or development of outdoor recreation areas
and facilities, with a priority on development projects that include trails, campgrounds,
picnic areas, natural areas and cultural areas for recreational use.
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. Office of the Secretary Resources Aoenev Environmental Enhoncement ond Mitiaotion
Proorom: The Environmentol Enhancement and Mitigation Program (EEMP) was established
by the Legislature in 1989. It offers a total of $10 million each year for grants to local,
state, and federal governmental agencies and to nonprofit organizations for projects to
mitigate the environmental impacts caused by new or modified state transportation
facilities. State gasoline tax monies fund the EEMP. Grants are awarded in three categories:
Highway Landscape and Urban Forestry (Projects designed improve air quality through the
planting of trees and other suitable plants); Resource Lands (Projects for the acquisition,
restoration, or enhancement of watersheds, wildlife habitat, wetlands, forests, or other
natural areas); and Roadside Recreational (Projects for the acquisition and/or development
01 roadside recreational opportunities.)
Additional inlarmation about these grants, as well as other potential grants, may be laund at:
huo:/ /www.arants.aov/
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Appendix A:
Biological Reconnaissance Survey Results
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\/l;'tsl-facins: embankment. which appan to Jcr\'C as I drainage ditch. iUpport plant apcxic:a typical of
scasoru.lI)' wet or molS.t soils. ^ similar but brscr depression is present on lhe eutcm side oCme
~il103d grade approximalely 765 r", nor1h or Amador Valley Dook:vud Speci"" observed lP"owing
in or around lhc&e dcprcWOClS inc:1Ydc cocklebur (Xa",hiu", 'P'), C'urIy doclt (RUMU CrisPUl). salq;rau
(Durit:Mis sp/cola1 rat hen (AlripI<r l,u,ogr.lariJ). nutKdge (C)1"'nu Mlgroslu1 and ~
pricklcgnw (Crypsu 6choenolJes). In addition, malted v.:,clation and dry, erack.c:d $Oils were
. ~ in man)' of the depressions. indicatinl the prncnce of standinK wafer during the rainy season.
Ms.~ciB3SoCOm
CoovnunilY Dc:,elopmenl Oc:panmenl
City or Dublin
100 Chic Plua
l>Ubhn. CA 94'61
Subject:
Result. of Biological Rcwnnainancc Sun-ey
Union PacificlAWneda County Parcels., Dublin
^ SlJ);l1l s~d of Youody riparian "q;ctallon dominated by lllUyu willow (Satu lusiolcpu) and IiU1dbar
willow (So Cl"iA,ow) is praent on the WMmllide of the railroad grade approximately 100 feet north of
Amador Valley Boulcwrd. A (ew immature valley oak.!. (Quercus lobala) and coast b\"c oaks fQ.
.~-rlfolia) grow along Ib< lop orlb< grade adj..ml '" Ib< willow sW>d. S<ve<>l ""ks and willow>...
also ptesen\ on Ib< =em ,ide .flb< !P">de nor1h .rthe lalJer....d .rriparian w'oodland. A fow
anall tren and dvubs of various nati~e and non-nativc species grow alongthC' wcotcm Jitc: boundary
at the southern tnd ofthc site near Alamo Creek. Spccil:l observed in \hi. un include walnut
(Jug/ans 'P.), co)'UtC bnnh (Bacdu,u pJu/a,u). acacia (Acacia sp.). imd coast live oak. The Count)'-
owned portion oftbC' site: consists of. dirt nWntc:rwJCe road thai isl1'JOii1Jy dc\vid 0( vqctation..
Oc:ur Kristi:
LS^ Msociatu. In(:. (LSA) has complC1td a biok>pal n:connalssanc:c survey of the abovc-rtfc:n::n<<d
mpproximately 19 am projett sile in Dublin. The purpose afme curvey was 10 asseu the biol~Cl.I
fCsource& preKI1l un the site and identify potential ~ints to future dcvclopmcnL Spccifically, the
wO'cy foc;used 00 a5SeSSina the pokniW presence of spccial-status plant :mdIor animal5pc:c'in. md
whether any wct1ands subjc:c1. to Unit,,"d States (U.S.) Army Corps of Engineers (Corps) jurisdJction arc
PfCiClll. For the purposei ohhis report. \he project ute is defined as the approximately l.utilc<>loog
Uni"" Pacific (UP) rormer railroad right-or-way and the adj<l<<lll Alameda County (Coonly) 1"_
to thcca.\I.
METHODS
Wildlife. MOIit ofthc animals observed durin, the <>aobcr 3 survey..ue birds, with the follOTting
specie. observed WIthin 0It flying OWl' lhe sitel: rin,-neeked pheasant.lurkcy wllure. Cooper'. hawk.
American ke'ln:~ rock pi....... """,",ing doVl:. Anno', hummingbinl. belted kingfasher, black phoebe,
western saub-jay, Amcric:m crow. northern mockJnehird. common )'l:llo..1hm:al, lincoln's IpUTOw.
whltc<rowncd 'puTOw. goIden<rowned 'pano'N. red-winged blackbird, and house finch. Most of
lhesc: 'pecies... genmhslJlhat haVl: adapted '" utb:in Iandsapes. The ne:uby Sooth San Ramon
Creek, ...hich pMallcls the wcskm .ile boundary, provides fonSinS and ~tin& habital ror tommOf1
waterbirduuch .. mallud, grea. blue heron, great egr<!, and gr<<n hc:mn. all or which were llbser-..d
in the aeek on October 3. The wilJOWl and oaks provide foraiIDl and stopover habital for mipa10ry
songbilds 50Ch as PaciOc-slop< nycal<her. warbling vin:o. yellow.rumped warbler. and lazuli bunting.
The dense IP"U' and ruderal h<."fbocwu. cover or Ib< abandoned r.;lrood riglll-of-way provkko thermal
and prolcctiw cover for a wriety ofnati,.c rcptile:s and amphibians. When wet. the drainoJ..'" ditch
alung the wntnn .ide oflhc grade could provide breeding habitat for Pacific uccfrog (P.ftldtJCtV
ngilllJ). Although wC$lcm fmu liz.;ud (Scelopanu ocdJ~."tali.s) wu the: only s:pccicl obien'Cd
during the liUIVC)', lUil4tb1e habital is prcw:nl (ur sc:vera) Ulhcr ..pa.~cs lhat typically 0C(:Ul in or aJjaccnt
to rnidcntw naghborhood1, luch as wCltan load (Bufu borras) southern IlbptOJ IiDrd (Elgurl4
Ifful,icarinUIU-f), and gopher snake (PihwpM.I CG'~'ift7').
}Jrior 10 c:ODJJucUnK field work, we 5Cllrchro the California Natunl OlVersh)' Oaubase (CNDDH) fur
m:urds of Ipeciil.o$llIuSlpccica in the: VICinity of the lite (I.e:., Dublin USGS 7 .~-minu1c q~&Ie).
1..sA bioloKi..t Man Ri~kc:1l6 ~U\.1~ a field '\ll'VCy un Oclubcr 3.2006 to aNCloS ~uncnt habitat
oonditioos and enlualc the site:'s poICntWl to IUppor1. Spocial-SlalUi plant and/or animalspa::ic:s.
Although Mr. RJckc1.tl wu not authorized to access the UP portion of the Ate: (former nailrotM! ri&ht~f-
way), he waf able 10 view Iho iU'" wtuIc Willk.ing ,IonK the bvn none Trail ,ad Cowuy maimenancc
road on e1thcr ,ide or the ria,:ht-of-way. OIb.crnliom; of plant and ammal5pCCie$ ...-ere ttCOfdtd in
faeldnol~.
RESUI.TS
Sc=lII.Id, inactiVl: California gn>und squ;".1 (SpennopirilUl bH<h,>'r) burrows were obJcrved
throughoullhc grassland. The grasNand also lik.c:ly IUppotU oIhc:r small rtliU1UJ1;)ls s.uch a$ Cahfornia
vole (Ali~rolUS ca/iftlnlica). BoIta's pocket ~ (71romumy.s bOlloe), wesJ.cm h3n'est mouse
(ReuhroJOftlomys Itl~QIOli.s), and house mouse (MILl mwculus). A singte (Oll: squirrel (Sciunu ffig~)
was Ken in the treel allhe soutbmJ end oflhe site. Other m:unmal speciel that mayocc:asionally
Existing Conditions
V~d.Uoa. The VI- portion of the .ale i:i an aNn..JonaJ nlilroad sradc tupped ,,"'ith crushed gravel and
cobble. Both cmbankmcnIJ ofthe &f3dc arc etneed in non-natm: XflIi>>lmd dominated by wild 001
("'wnafulua), Italian l)TgTaS5 (Lo/ium ",u/llj1,,,,,m). and ripgut bromc: (8,u",...,. JiallJt1l-"). Cr<<pinl'
wddrye (Lc).,,,",, Irt/icoid,'s).. native gr.ua, 'WaJ obtcn-a!, STOWIng in smUl amounts. Non-native
ruw."fal (orbs: growing lhroughout lhe ~ include: bristly ox-tongue: (Pit:,u <<hioide6). prickly
RECEIVED
OCT 1 7 2lXlI
I ~ntinc namel for bird lpeete. ani ..,. p'l.J\'idcd in tho \cIllot &inl:e conwnoa namn arc ltandaldiud in tbc
Americ_ Omithulogau' tJaioa O<<!./tJ' of Non /a AtIIt'rlCflll Binb {AOU 199.}. .
1~1~{r.aMJ1>>T,,,,,,-(~"""'1
I
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OC4.'UJ' un Sllc mdude bbd.....ikd jackrabbil (Lc:~ culifonlk~). 0ll.'COOI1 (PTUC)'On IUlur). striped
d.unk (Mcplliw mcphitu). and blackAaikd deer (Odocotlew ht'miorllU).
tailed kites have been observed .IonS Amador Vallcy Houlcvanl immahalely east oflhc .ite
(LSA obs.). The grnss,land \\ithin the f2ilrood right..()f~W3Y plo\'idcs mar&inal foraginK habitat for lhis
Sp<<1C5, whidl is ~ likely to forage over larger ex~ of gt'"oIiSland $uc:h as thot.e at lhc neacby
Dougherty Ifilk Park. Nevenheless. whitlHailed kite, h:ave nnJc:ralc potential to oa::uron the site.
Burrowine owls are known to ()(:Cur in the DublinlSan IUmon atea. with ~ records occuninl east
or Doughcny Road (o.'ODB 2006, LSA obs.~ Although a rew Califamio ground "lu,rrc. burrows or
sulflCiml size: {Of bUITUWing owls (i.e., with cntrancn ifOlU than 4 inches in dWncter) ,,"'m: found
sc..tkTC'd. throusbout the ~ and al008 the Count)' maintcnanu road.lhe majority oftbese.
bwrowl "'(fC Ql)vm:d by dc:nsc vcgcU1ion And appeared IOfncwhat dcaradcd No cwidc:ncc of
~upation by burrowina o.....ls (i.e., pclku. whitn.'IISh. teathen:) wu found.l ally oflhc burrow
cnuanccs. Gh'tO the deruc 'I-ea,cution O\ol:( much ofthc site and the dC'~ conditiOll of eJ.imnB,
blmOWs. thc:rc is low polC:l11ia1 for bwto'Aing owb to occur on site.
Sp<<I.I....atu. SpC'l'Jn
Planl.. Twu lJ.PC":ial....lalu.i plOUlt sptl.-1CS havo been re.;o.~ in the ~mcr.al vi,inity ufthc: ..Ie: Diablo
heli.:snthclb. (l/eUiUl/h..'f1/J M.llanca) and Conedon's tllrplanl (C~ItII'(J"'aJia parry/ssp. colts:Joltm
(CNDDB 2006). Diablo hcli:anlhella is no! ex.p<<tcd 10 occur on thcllilc due to the abkncc or
chap:ura1 and oak woodland habiw. Congdon's tarplant is mo'Ml to occur within the Camp Parts.
Reserve: Fortcs Tnining Area, less than I mile ~t ofthc: sile, and allO alonS Uou.ghcrty Road
3.pproxmwely I nule DOI1h-northe.ut oi the site. This species t)'Pically OC(;W'l in annual grusbnd. but
is also l<no>m 10 occur in rudml babiuts odjacenllo annual a:nssLmd<< Ihal wen: once annual
~ (prcstQl\ 1999,LSA obs.). Suimblc habibl Cur this spccics is present in lhc ooo-not.tive
grassland portions of tile site. Altboudt no wplanu \IIa'C observed durin, the Oclober 3 SUJ'YCf, dIe:
bck o(aa.-ea '-'the UP propnt)' pre".c:nlc:d l()()...pcrccnt visualc::overaac ofthc around surface-. As
su<h. there is a slillhl tbono:e ""'. Cooldon's Wj>lmlamy have 10IlC undck<led. irpn:scnL
Animal.. The: CNODB ~wns r~ for nino 5p"ial-ti~1U$ animal species in thc: vicinity ofthc
$jte. California ti..'tT 53lounandcr (Amb,'S/o.w4 cali/om/ellU), California rN-IrJ$cd live (Ranll UIoITVIV
Jra)'wnil), and AlamcJa whipsnakc (Maslicopltu wluaJi$ ~lU)'xaIlIJIIU) arc federally lislN as
ltuotenc:d. while Sm Joaquin til fox (y.,lpes lfUJC'rolir nlloIliC'a) is fedenl1y liUed as~. lbc
five n:mainioll animal 'pccles arc corWdCR:d Species of Special Conc:cm by the California Ocpanmml
of !-"ish and Game (CDFG): bwro....iDG owl (A,Jrcne nmicul41ria), California bomod lark (~nlopJrillJ
aJ/Ws,rir 4clia), trieo1oo:d hbckbird (Agelaius IricoUH), Amail:aJl hadger (TaxiJea 1ax1U). and Pacif.c
(formerly w~) pond lunlc (Aainc.-m)s IPWnrlOTIIla). Although DOl listed in me CNDDB for thil
rcpw.. Coopct', hawk. ~ Spcc:iCl ofSpeeW Con<<m, was observed durin.1he ate visit. as
noled above. In addition, whitc-t.ailc:d kite (EfanllJ kucunu). a California fully Prol<<kd Species, hu
b.,cn ob<cn'cd in the site vicinily (!.SA obs.).
Jurisdlctloaa. \Vttlaadl
1be seasonally wet dcprc:ssao.u along the ba5e o(thc nilroad pade may be: subj~ 10 Corps
jurbdiction undc:r Scaion 404 oflhc federal Clean Water Al:t. The Corp! ill responsible for rquLatinK
Iho dix!larIe offill nwcrial inlO ,,"e.lands and "ocher walen" orlho U.S. Wetlands include marshes.
wet meadows. seeps. floodplains, basins, and other areas cxpaicncina: cxlcndcd JC.uona1aa1un.tim,
llonile ..other walen" include waterbodies and watercounel such AI rivers, 1U'eUms, lakes. springs.
ponds, coastaJ WilleR, and estuaries. Based on the ptcscncc ofhydrophyhc vegetalion and evidc:ncc of
uandinK Wiler, tbesc areas appear 10 be scuonal wct1ands ....hicb may be wbjcct to Corps jurisdiction.
Oi...mlhe: disturbed nature oflhc site: and its urban .cuing. il is hi;hly unlikely Ihat most oftbc abo,,'C
5p<<ics would OlXur on lhe ..ile. Five orlhcse 5pccics (California tiger sahmwldcr. California f'Cld,.
lewd frog. Alameda "hipsnok<.lriculurcd bladbinl. and ""<lil<m pond lunlc) arc nol exp<ctcd \U
oc.;ur due to a lack of suitable habitat (i.e., 'trc:'ams. pools, chaparral, frcUlWalc1' manh). San Joaquin
kil fVA tw.~ nlJI bcom found durinl K,,'enl in1msi".c 5l.IZVt')'1 in 1bc DublinlSm bmon am., ;nI ....e
pn:sunled 10 be absenl from the area. California homN Wb lire- not ex.~led due kllhe lack of short.
II'"" !>.bi..", 1lw they IJ'pi<aIIy pn:fCT and !he high Icvel or disturb.nco (i,e., pede...... ami pet
n.ffic) on;and :M.IjOlmlt to the ute. Ameril.-.:sn boadlJnI are unbkcly 10 occur due 10 Ihe maD amounl of
graubnJ habitat They 8~1I)' occur in areas wich rnud\ J.arver amuunli of grassland.
AhhouHh no 'I~k neab wac fuuod durinM Lhc: (ktuber 3 'uney. Lhc lunall ripouian stand providn
l5uilJ.blc naling h.:I,bitiU for Cooper', hawk" while-tailed lrile, and Olhtf ReMing bink. A Jingle
Cooper', hawk wu 5<<n perched on IlCltphooc pole immediately north of1hc sland during the
surve:y. Although this species occurs in nalural cumnwniLie:s J,uch Il3i oo1k and riparian wuudlands, it
baa also adapled 10 Ihc urbm environment and is kno\\'ft 10 ncst in sevenJ cenlnll Clllifomia cities
(Pe~1CB and Pttlcn 2005). High no'1~ilC avaibbi1ilY (i.e., tall ornamC'nlalllCcl) and an abundant prey
hue (c.g., rock pt&COlU. mownina dovn, Amcrian robinJ) arc: the primvy habilal oomponcnlS Ibal
allract C~'I hawls to residential ncis,hbuchoods. Although not: obKrved durinS the 5ourvcy. ....hite.
POTEI11TIAL CONSTRAIl'IIS
A1thoulll> nul obs<n'cd during lhc s"""'y. Congdon's Wj>lmlamy hi,,, gone WldclC<lcd ifpr..... in
the inaccessible ponioos oflhe UP propcny. Depmding on the nature offutURl de\'dopmcnt plans,
this sp:cica may be impacted by projCC1 ktivitics. ".oc:uscd suncys for this 'PC'Cics durin& ils
blooming period lMl.)'-Oc1obcr) ,,"'(Mdd confum 'tlIo"bctha this Ipccia iJ prtialt m Ibe site and
fKibble the avoidance of any on4itc populations durin, projcd desip.
1bc stand of riparian "oodland north or Amador Valley IIoulcv;ud providca ncsllOl b>biUt f<< a
variety 0/" native bird spc<i... iotludmg Cooper', ba"l (California Spc<i.. or Sp<<iaI Con<<m) and
whlle-t.aded kile (California Fully Protected Species). All nah..-c birdJ and Ibeir nests are prol<<tN
under the federal Migratory Bird Treat)' Act and California FUoh and Game Code. If conducted during
!he bm:dina season (Marth-Aul"'l), constru<llOl1 kll'''''' c:oukl dumly impart....in. birds by
rnnovina tn:cI that support active nests. Adj~nl COlutruc:tion activity could also diilurb ncainC
birds. rtJuhinl in ncstina failure. If fUIun: dcvelopmc:nt plana include the rtroo....1 ufln:eS or shrubs.
such activities should be condw..1:cd duriRl the non-breedinJ season (Scplc:mbc:r-Pebruary). if feasible.
Dc:pmdinc on &he: ~ and Jocation of fUlure projea aclivilie:s. prc-consuuction 1oUn'C')'I ma)' be
neas.sary to a'o'01d pocenualnnpacu 10 nestlng birdJ. Pre.constructio WI"Ve)'I should be conducted
>vi\hin IS daya pnor 10 Iho ..... or work from ~\;tn;b-M.y (since lhcn: is higher poICn.ial f<< birds 10
inmate I~ing dunng thi. pmod), and Wllhin 30 <b15 pnor 10 the start of work from Juno-AugUSl..
1~1"'(I';0lU1)O,l~r~_)
14WIWIo(,;'UlU7JO,r~con1dll'it"'pc..b:)
~"'"'-=-=-~-_.~-~ ~--~......~---------
A-3 ~ urb::Jn
CON..m'NO ~l
l M.
J 1
LL~
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l
Although unlikely. there is a sliiht poMibilil)' lhat burro~inB owls could move into anyohcven,l
burrov.'S 1100& the: County-owncd mainlC1WlCC road. Depending on the nature and bcauon of future:
COnstNC1ioo (i.e.. whether bulTOWS arc presall in work areas)..ll pn::-comtnlction lurvey few burrowinS
CWo'ls would ensure lhal project activities do not inad...cnmtly raub in the datruction of occupied 0\111
burrows. The IUI'VCY should be conducted no more than 30 da)'5 prior lo the initialion or c:onstnlCtion
by a qualified wildlife biolo.,"t familiar with burrowin& owl siJP1 and Iubila.L
Susanal wetland." possibly :wbjcc1 to Corps jurisdic1ion are present on the site. Any lill or
modiftc:alion ofthC5Cl ....-etlands may require I Section 404 permit from lhc C0rp5. as ~II as Section
401 water qUilit)' ~ification from the San t'rancisoo Rc:&ional Water Quality Control Board
(RWQCB). To clarify Ill< e..en. ofCorpojurisd;<tioo &OJ mon: ll<<Ul"3IeJydepict _land boundaries.
a formal wetland dclin<otioo an a<conIaru:< Wllb Corps m<thodology (c.,ironmcn.ilI LabonlOr)' 1987)
would need \0 be conduC1cd before applying for any pmnits or daigning projta fcalures ;rov;nd
aistinJ wetlandt. Altcm:uh'ely. if future dc\'clopmen1ls limited to upLmd arcH (Le.. aions: lOp of
grade or existing Alamcxb County maintenance ro.d). a formal delineation ....vuld not be required.
We hope me above information will be \lSCfulln forming concep1uallilnd use ahcmatio.'CS (or the
Transponation Corridor Gmcn) Plan Amcndmmt Study. PJe&iC comact ITlC' if)'OU ha\'C any questions
aboYt wr ~iona or rCtluirc further information.
Sincerely,
!.SA ASSOCIATES, II\C.
~~- ~ A;-J--
M.lrolrn J. Sproul
Principal
L1TEltATURE CITED
AITI<ri<an OmilholoiiW' Union (AOU). 1998. A.O.U. Chc:<t.li<t nfNorth American Birds, Sevm.b
Edilion. American OmilholoJim" Union, Was.hi~. D.C.
California Na""al Divenily Dal3bau (CNDDB~ 2006. S"",ial"I3'1I3 .p<<iea o<<UJT<n<CI from Ill<
Dublin 7.'-minulc USGS q~lc. Wildlife and IbbiQ1. OaL1 A~ysil Branch. Califomiil
Dep:utm<nl of Fish and Ganle. Sa<nmen1O.
F.nvironm<nlOI1..boratory. 1987. Corps ofEl1iP"""" Wetlands Deli_ion Manual. T,dlOi<al rcpon
Y.I7.I, U.S. Ann)' Ensinccrs Walc;l'Ways. Experiment Slalion, Vicbbura. MS.
PeeterS. H. and P. PCCIcn. 200S. Rapron ofCa1ifomia. Uni\'cnilY ofCalifomia Prcss.lkrkclcy.
Prtston. R. E. 1999. Pttliminary Report on Ihc ConscTvalion Slalus ofCon~don', Spikewced
(1I~Iffi;qnla po,..,,'; $ub$p. C'ongJonil) In Ihc Soulh and ~1 S3ll Fran~ Bay Ara .nd
Monl<t<y Coumy. California. Unpub!. Rport pn"..n:d fur lb. U.S. Fi>It and Wildlif. Service.
VenlUl'it, CA. 23 February.
1~IMllflI~ClJU7>>TI~Cclrridur'lIiullJ:C.4l.:c)
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Figure 11