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HomeMy WebLinkAboutItem 3 General Plan Review (2) '\,~ L-{~o-3V \ '': AGENDA STATEMENT MEETING DATE: December 6, 1983 SUBJECT: General Plan Program - Review of Working Paper #3: Description of Alternative Sketch Plans EXHIBITS ATTACHED: Working Paper #3: Description of Alternative Sketch Plans (under separate cover) 1) Revised Tables 3 and 4 (corrected 11/29/83) 2) Alternative Sketch Plan diagrams and legend for Extended Planning Area 3) Map of City for use with Diagrams A, B, and C. 4) Planning Commission recommendations, 11/29/83 RECOMMENDATION: l:r Select land use and circulation components from the Alternative Sketch Plans for use in the General Plan FINANCIAL STATEMENT: None DESCRIPTION: As part of the Dublin General Plan Program, Staff and the General Plan Consultant have prepared Working Paper #3: Description of Alternative Sketch Plans. The three Alternative Sketch Plans illustrate the alternative land use and circulation components that have resulted from the Citizen's Workshop on the General Plan, Working Paper #1: Existing Conditions and Planning Issues, and Working Paper #2: Analysis of PlannIng Options. The Alternative Sketch-PYans can be generally identified as: - Minimum Change - Higher Density: Mixed Densities/Uses - Higher Density For each Alternative Sketch Plan, two diagrams have been prepared: one for the Primary Planning Area and one for the Extended Planning Area, as indicated in the following chart: ----------------------------------------------------------------- ~ COPIES TO: ITEM NO. ""):,- DIAGRAM ALTERNATIVE SKETCH PLAN Primary Planning Area Extended Planning Area Minimum Change A I Higher Density Mixed Densities/Uses B 2 Higher Density C 3 On November 29, 1983, the Planning Commission held a continued meeting to select various components from the Alternative Sketch Plans to recommend to the City Council. The Planning Commission recommendations are shown in the attached exhibit. Staff recommends that the City Council select the various land use and circulation components for inclusion ln the draft of the General Plan. At the December 6, 1983, City Council meeting, Staff and John Blayney, the General Plan Consultant, will be available to discuss the Alternative Sketch Plans with the Ci ty Council. Large scale diagrams of the Alternative Sketch Plans and the Planning Commission recommendations are available for review at the Planning Department office and will be brought to the City Council meeting. .... t,- \, . , 1 DUBUN GENERAL PLAN WORKING PAPER 3: DESCRIP'nON OF ALTERNATIVE SKETCH PLANS Prepared for City of Dublin By BLA YNEY-DYETT, URBAN AND REGIONAL PLANNERS TJKM, Transportation Consultants Hallenbeck-McKay & Associates, Geotechnical Engineering Consultants Charles M. Salter Associates, Inc., Acoustical Consultants November 17, 1983 ~ ~ ~ 'X:. \ '- ~ C C, I~CO~ ~ \'-' ~ ",\\i~ ,~,.t:.'~.... Y . r\. . , ~~X" ....\',~~ ..., \'v'.- .. c.'. l ~... 1. OVERVIEW Three non-reproducible alternative sketch plans at 1"=400' illustrate planning proposals for the City of Dublin and the contiguous developable land adjoining the west city boundary. Three accompanying alternative sketch plans at 1"=1,000' include the Wlincorporated portion of the 37 square mile planning area for which Dublin has requested Local Agencies Formation Commission (LAFCO) approval as the City's sphere of influence. Within the city (the primary planning area) the plans' proposals are parcel-specific, while in the unincorporated area (extended planning area) proposals are schematic. Limited available data on physical conditions, potential for urban services, and owners' intentions, as well as the necessarily longer time scale for development in the extended planning area, are reasons for more general treatment. The alternatives provide a basis for policy decisions on conservation and development in the extended planning area. \ It is Wllikely that anyone of the sketch plans will contain all of the components the Planning Commission and City Council will wish to have in the Proposed General Plan that will be the subject of public hearings leading to adoption as the City's policy statement on future development. The plans are intended to illustrate the variety of policies that can be mapped and that have been discussed since work on the General Plan began last spring. Many of the components represented on the plans can be mixed and varied to create yet another alternative which would contain all of the plan elem ents desired by the City. Some General Plan issues, particularly implementation proposals, cannot be mapped and will be treated in the Draft General Plan report to be prepared after decisions on the sketch plans have been made. The sketch plans are intended to illustrate options selected by the Planning Commisssion and the City Council as well as some choices that have not been discussed or resolved. The sketch plan proposals can be mixed or matched in many different ways, but to assist reviewers we have attempted to group them under three broad policy "names." Minimmn Change: Primary Planning Area Plan A, Extended Planning Area Plan 1 Policies established by Alameda COlmty and inherited when the City was incorporated in 1982 are generally retained. ~ Density/Mixed Densities/Uses: Primary Planning Area Plan B, Extended Planmng Area Plan 2 Significant residential density increases proposed for Wldeveloped parcels, required mixtures of dwelling types, and optional mixes of commercial and residential uses would make Dublin more like a traditional city and less like a suburban "planned community." -1- Higher Density: Primary Planning Area Plan C, Extended Planning Area Plan 3 This sketch plan is to some extent a catch-all for options not illustrated by Plans A and Band 1 and 2. Densities in the primary area are similar to B, but mixed dwelling types would be at the option of the developer. 2. LAND USE CLASSIFICATIONS Residential: Densities are expressed as housing tmits per gross residential area, with up to half of abutting streets included. Refer to Section 3 for further discussion of multi-family densities. Rural Residential. (Less than 0.9 units per acre). This classification is used only in the extended planning area. Rural residential areas at very low densi ties may be unsewered, depending on site suitability for septic systems. Residential: Single Family. (0.9 to 6.0 units per acre). This category includes single family detached and zero lot line development. Residential: Medimn Density/Required Mixed Dwelling Types. (6.1 to 14.0 units per acre). Except where required mixed dwelling types are designated, unit types and densities may be similar or varied at the developer's discretion. Where mixed dwelling types are required, site-specific policies would designate the location, number, and maximum density of lower density development and base densities up to 20 units per acre could be combined to reach the 14.0 average. Recently reviewed projects in the medium density range include Parkway Terrace (7.8), Barratt (13.3), and Amador Lakes (13.5). Residential: Medimn-High Density. (14.1 to 25.0 units per acre.) Examples of medium-high density developments include Dublin Green (14.8), the Springs (17.8) and Greenwood Apartments (19.8). Com mere5al/1nd1Btrial: Retail/Office. Shopping centers, stores, restaurants, business and professional offices, motels, service stations and sale of auto parts are included in this classification. Retail/Office and Automotive. In addition to the retail/office mes, auto dealerships, body shops, and similar uses are included. Business Parlc/lndustrial. Uses are non-retail businesses (research, limited manufacturing and distribution activities, administrative offices) which do not involve heavy trucking, or generate nuisances due to emissions, noise or open uses. Business Parlc/lndustrial: Low COftl'&ge. Up to 20 percent coverage, allowing a campus-like environment. Examples: Kaiser Center for Technology, Pleasant on; southwestern portion of Stanford Industrial Park. -2- Btminess Park/lndustrial: High Coverage. Coverage greater than 20 percent, typically 35 percent. Example: Sierra Court. Commercial/lndustrial- Unenclosed Uses. Commercial and industrial uses including activities conducted in the open such as mobile home or construction materials storage. Example: Scarlett Court. Public, Semi-Public, and Open: Public Facility. Uses other than parks owned by a public agency that are of sufficient size to warrant differentiation from adjoining uses. Example: schools. Semi-Public Facility. As labeled. Principal uses in this classification are churches and private schools. Parks/public Recreatiao. Publicallyowned parks and recreatIonal facilities. Open Space. Included are areas dedicated as open space on subdivision maps, slopes greater than 30 percent, stream protection corridors, woodlands, and grazing lands. 3. MULTI F A MIL Y RESIDENTIAL DENSrrIES The adopted General Plan should establish densities that will stabilize expectations for both residents and developers and that will not become subject for debate during review of every residential project. State environmental review guidelines (CEQA, Sec. 15183) exclude density from the set of environmental effects to be considered by environmental assessments as long as proposed densities are consistent with the General Plan. Site plan, finish materials, design quality and traffic generation are all concerns appropriately examined during project review, but density should be determined by the General Plan and zoning so that site costs per unit can be determined in advance of project design. Relating Density to Unit Size. Attached and multi-family housing units may vary in size from studioS to three bedroom tmits as large as many single family detached houses. If General Plan density policies treat all sizes identically, regulating density solely on the basis of tmits per acre, alllUlits on a given site would carry the same land cost, regardless of size. As a result, developers will tend to build larger uni ts beca15e the higher land cost of smaller tmits will reduce profit margins. Many zoning ordinances require more site area per large unit than per small unit in order to avoid this indirect incentive to build larger tmits, thereby allowing the market to determine what size units should be built. Small tmits, defined as having one or no bedroom, are on average equivalent to no more than 75 percent of a large unit, defined as having two or more bedrooms, as measured by household size, vehicle trip generation, and floor area. To incorporate this concept in the sketch plans, base densities are set assuming all units will be large tmits. Substitution of small tmits would allow the total number of lUlits to increase up to one-third. -3- For example, a 7.1 acre site could be develo~d at medium density (6.1 to 14 units per acre) with up to 100 large uruts.or 133 small units. Recently proposed or approved Dublin projects include 945 multi-family units, of which 247, or 26 percent, were small units. A comparable 7.1 acre medium density project with 25 percent small units would be permitted a total of 108 units or 15.1 units per acre under this weighting system, as compared with the 100 units or 14 units per acre that would be the maximum allowable if all were large units. A maximum allowable share of small units qualifying for tile higher densit:~ could be set if desired. Bonus fer Affordable Bousing." General Plan residential. densities must take account of the State law requiring a 25 percent density bpnus if 25 percent of a project's units are affordable by h015eholds having incomes not ,exceeding 120 percent of median income for the Bay Area. This provision has not had much use since it was added in 1979. A recent analysis performed for San Mateo County by the Bay Area Council indicates that developers are not likely to find the bon~ attractive unless the acceptable share of affordable units is on the order of 5 to 10 percent rather than 25 percent. Examples of possible densi ty bonus effects will be prepared as part of the Housing Element. MeanWhile, the sketch plans should be reviewed with the assumption that mandatory densi ty bonuses will not result in significant increases above the densi ties shown on the plans. However, a density bon15 program other than that mandated by State law may be the most feasible means of obtaining affordable housing. 4. DESCRIPTION OF SKETCH PLANS - PRIMARY PLANNING AREA . The alternative sketch plans for the primary planning area are compared in Table 1. Table 2 summarizes the effects of the alternatives in terms of housing units and population. _.'1 Several of the options presented in Working Paper #2 are included in all three sketch plans. These include Parks and Open Space Implementation Option 1, "Acquire a neighborhood or community park east of the SP tracks." All plans show a five acre neighborhood park on the east side of the Dougherty Hills. All of the plans also would implement several of the options in the conservation/development section - Policy Option 2, "Avoid development in slide-prone areas," Policy Option 3, ''Preserve oak woodlands and riparian vegetation," and Implementation Option 1, "Designate steep slopes (generally over 30 percent) as permanent open space." In the area of circulation, all of the plans show improved freeway access to Dublin (Circulation Policy Option 1) by provision of a new 1-680 interchange (CirCulation Implementation Option 1). Additionally, all designate a road connecting Amador Plaza Road and Regional Street, improving access to the area between Dublin Boulevard and. 1-580. Sketch Plan A - Minim1Dll Change. Sketch Plan A, "Minimum Change," represents the continuation of existing policies indicated by current zoning. The major sites available for development are classified as single family. Surplus school sites conform with surrotU'lding densities. In general, the lack of opportunities for production of medium and medium-high density units under Plan A would be a constraint to the production of tU'lits affordable to households of Dublin's median income and below. Plan A minimizes park acquisition by developing a portion of the Shannon -4- Commmtmity Center as a neighborhood park and by assuming that five acres of the Murray School site coUld function as a park by formal or informal agreement with the Murray School District. Kolb Park and the rest of the Fallon School si te would be subdivided for single family homes. Sketch Plan B - Higher Density: Mixed Densities/Uses. Many of the options presented in Working Paper 2 that would result in a more diverse urban character for Dublin than envisioned in Plan A are included in Plan B. This higher densi ty option presents the opportWlity for creative site planning and urban design, requiring mixed housing types on the City's two largest development sites and encouraging mixed office/residential uses in the San Ramon Specific Plan area. The "medium density/required mixed dwelling type" classification 15ed in Plan B would allow densi ties of up to 25 units per acre on portions ofa site. This required mix would produce Wlits ranging in size, appearance and price. The issues of providing a range in housing types and prices and allowing for mixed commercial/residential15es discussed in Working Paper 2 as Housing Policy Options 3 and 4 and Implementation Options 3, 8, and 9. Parks and Open Space Policy Option 1, "Acquire additional park lands as needed with housing additions," would be implemented with Plan B, which designates the entire Fallon School site as a community park, consistent with the need of a larger population. Plan B also designates a portion of the Dublin School grounds for development as a neighborhood park (Parks and Open Space Implementation Option 3). Plan B presents the idea of a Dublin "Downtown Intensification Area" where parking structures and mid-rise buildings could be constructed, as discussed in Implementation Options 2 and 3 in the Commercial and Industrial Development section of Working Paper 2. The eventual relocation of auto dealerships from the area bound by Dublin Boulevard, Regional Street, 1-580 and 1-680 to an auto center east of Parks RFT A would also help achieve Policy Option 1, ''Provide land area sufficient to maximize retail sales in Dublin" and Policy Option 5, relating to increasing office space in and adjoining downtown. Plan B includes a BART station on the Golden Gate A venue si te recently proposed by transit district's extension study. The station would be within walking distance of much of downtown and would stimulate office development. A new street parallel to 1-580 would allow BART traffic to 15e three Dublin Blvd. intersections. Sketch Plan C - Higher Density. Table 2 shows that Plan C would result in only slightly lower total population, housing tmits, and student population than would Plan B, with almost the same percent multi-family Wlits. Plan C would encourage mixed commercial/residential uses on two small sites, but would not require mixed dwelling types on any land available for residential development. Plan C would not introduce any medium density ho15ing on the Dolan School site, but does designate 15 acres of the site for a comrnWlity park. The Fallon site is also part park, part residential in Plan C, with densities up to 17.5 units per acre permitted. The east side of Dougherty Hills is in the medium density classification. Like Plan B, Plan C provides parks in proportion to growth. While Plan B designates the Fallon site as a commWlity park, Plan C designates the Dolan site, at a less central location. Creation of a five acre neighborhood park on the Fredriksen school -5- "," site would serve children living north of Amador Valley Boulevard and east of Village Parkway without requiring them to cross a major street. On the eastern edge of the city, Plan C depicts a vegetative buffer on both sides of Dougherty road, reflecting Public Lands Policy Option 2, "Request tha the Army plant a buffer strip on Parks RFTA land adjoining Dougherty Road and improve building maintenance." BART proposals are the same as for Plan B. -6- TABLE 1 COMPABISON OF ALTERNATIVE SKETCH PLANS - PRIMARY PLANNING AREA Gross Resi denti al ~ Residential Dolan School Sile 27 Fallon School 13 Frederiksen School 12 East side of Doughert)' 84 Hills Starward at San Ramon 2.4 Amador Valley at 4 Dougherty ~est end of Dublin S Boulevard West end of Hansen Dr, 9 \Ii est of Silvergate Dr. 4 Norn, of Hansen Dr. 7 Parks East of Do~herty Hills DolflIl Site Fillion Schoolfl\olb Park F rederikser, School Murray School Shannon Park Dublin School West of Silvergate Rd. Commereialllndustrial Downtown Center Retail/Office &. Automotive Mixed Use - Residential/Office Tratficways and Transit 1-680 Interchange SP San Ramon Branch Line BART Plan A Plan B Plan C Higher Density Mini m urn ChAnge MLIed DerStiee/UIle5 Higher Den.si ty SingJ e family Required milled dwelling Single family on 12 acres types, medium density' Single family No residential Medium density on 8 acres Single Family Medium density Medium density on 7 acres Single family Required milled dwelling Medium density' on 79 acres types, medium density on 79 acres on 79 acres No residential Medium-high density Mixed use/medium density' No residential Medium-higt. densi ty Medium density on 2 acres on 2 acres No residential Medium-high density Mixed use/medium oensit)' Single family Medium density MediuTTi density Medium Density No residential Medium density Single family Medium density Medium density S acre S acre S acre neighborhood park neighborhood park neighborhood park No park No park CommWlity park No park Community park S acre neighborhood park No park No park S acre neightxlrhood park Neighborhood No park No park park 90 school grounds ,N eighborhood No change No change park No park Neighborhood park on No park Ichool grounds No park Neighborhood park No park No change lntensificfltion oppor- No change tunity area as identified on plan No change Limited to Limited to east east of 1-680 of 1-680 None West of San Ramon Rd. West end of Dublin Blvd.; Starward at San Ramon Rd. New interchange between Dublin Blvd. &. Amador Valley Blvd. New interchange between Dublin Blvd. &. Amador Valley Blvd. New interchange between Dublin Blvd. &. Amador Valley Blvd. Transi t Corridor Transit Corridor Transi t Corridor No BART in Primary Planning Area BART station at south end of Golden Gate Dr.; collector street from Regional Street to Amador Plaza Rd. BART station at south end of Golden Gate Dr.; collector street from Regional Street to Amador Plaza Rd. -7- ~ ~ ~ = ~ ~ en ~ ~< ~~ ~< ~~ C'4<; ~..~ ~~< ~~c: <~ ~== ~~ ~= 5~ ~ o = ~ o = ~ :E ~ :a'f ~=o ~ ~t:) 'fj l =,,= jO'! ~i~ =~ :e <;~ j.~j ~.... U :IS ii ~is <........c .c~O ~Q)"" iO i li~ ~i= Q) Cl o t-- t-- ~ t-- o t-- 0) ~ t-- o ce It') ce~ o It') o ~ co C'l ~ ..; J!l 'S t:) bD c::: 'fi3 ::s o ::I:: ~ o E-o o 0 o t- ce. .-4 ~ ~ o o ce ..; o M 0) ..; o It'> -.::l' ..; C'l ~ o ..; J!l 'S t:) >> :::I E ~ ~ Q) 'b'o c::: ..... 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DESCRIPTION OF SKETCH PLANS - EXTENDED PLANNING AREA Each of the three alternatives for the extended planning area could be linked with any of the sketch plans for the primary area, but Plan 1, like Plan A for the primary area, represents current policies. Measurements of developable acreage in the hill areas are very rough because the true cutoff point for development on steep lands can be determined only during site planning and because access to som e otherwise developable slopes may be difficult. Sketch plans for the extended planning area are compared in Table 3. Projections of housing units, population, commercial/industrial acreage and employment are presented in Table 4. Plan L This alternative retain; the present 100 acre minimum parcel size in virtually the entire planning area except for the wide fiat area adjoining the north side of 1-580 east of Tassajara Road which is proposed for campus-like office or research facilities meeting the highest standards fOWJ.d in the Bay Area. The eastward extension of Dublin Boulevard would be as a freeway frontage road extending from Scarlett court. Plan 2. In Plan 2, hill areas with slopes lD1der 30 percent and predominantly 20 percent or less m:e designated for single family density, assumed in this instance to average two units per acre. Actual development could occur at higher or lower densitieS based on more detailed studies of land capability, but the average is a reasonable number for conceptual planning. Residential development would be similar to that in the hills above Cal State Hayward East of Tassajara Road land is provided for both the campus-like research park and for higher density business park development suitable for the types of enterprises now on Sierra Court that may outgrow their sites. An auto center also could be developed for dealerships that may be lD1able to expand at their present locations if efforts to intensify downtown developmentsucceed. Dublin Boulevard is extended parallel to and 1,500 feet north of 1-580 where it would provide the most efficient traffic service. Plan 3. This sketch plan designates hill areas of less than 30 percent slope and predominantly 20 percent or less for rural residential development assumed to average one unit per four acres. Actual development might occur on larger or smaller parcels, but at an average of one-eighth of the density of Plan 2, the rural residential classification represents a contrast between urban and "horse-ranch" development. Plan 3 designates the entire fiat and gently sloping area east of Tassajara Road for low coverage business/industrial park. Dublin Boulevard is routed along the toe of the hills to separate industrial and residential development. The potential under each alternative for 12,000 to 15,000 jobs east of Parks RFTA would increase the imbalance between planned job; and planned housing in the Tri-Valley area. -9- -. Qj Kl ..... ~ ..... C). r:c: Qj ca Qj O'C ..... ca ~.....@ :-~w ~ Q)'O..... C ..... .....cQj ~ c..... 0 ~~';;)'o :>> '00 tIl@ C c..... .- ..... .- C) 0 Q) ;;;~ C '!i.l e;g _Q).....C...... ..... tIl tIl ::l'~ ~ 'a3 ...... Co Qj ~ ~ ~M Kl.....<.o,....,.. ~o. E c~ 0. Q) ca~ ...... . Q) ~ ~ gs Q) ..... gj Q) Q) ~ C :p.c: .0:5 bO~tIl ......Q) e;g ..... 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Q) 0'0 ~ 0. 0 .... r:c: 0$ 0 0 C) '-' -10- TABLE 4 SUMMARY OF HOLDING CAPACITY: ALTERNATIVE SKETCH PLANS EXTENDED PLANNING AREA RESIDENTIAL DEVELOPMENT Plan 1 Plan 2 Plan 3 Housing Unitsa Populationa 40 2,950 370 130 9,400 1,200 BUSINESS/lNDUSTRIAL DEVELOPMENT Plan 1 Plan 2 Plan 3 Acres JoI:I; Acres Jots Acres Jots High Coverage 160 6,300 0 0 Low Coverage 610 15,400 300 7,500 480 12,000 Auto Centera 20 300 20 300 TOTAL 610 15,400 480 14,100 500 12,300 ..... a Excludes existing rural residential development b Locati on differs in Plans B and C (corrected 11/29/83) -11- 5 8 8 CQ !d ~< ;! ~~ ..:lZ ~z ZZ ~j ..:lClol ~~ ~~ !55! ""ClolClol ~~I ..:lZCI.l ~<Z E-~:3 ~~ ~u I:)E- u~ ..CI.l t;~ =~ i~ ~~ 8~ B C'f.l ~ < = == I:) :IE ,Q i ul g a ~ illll g :e M 'il := 1<1 ~ ~ C"I ~ I j~ O:eClol~ ,Q ... 0 SUI ;; I ; cpCQI 0 l:ld ,..; 'il )<1 ~ ~ 11~ ~ o~~~ i~ ~ ~ ~~ i~" ecn M =""" ~ i~ o CIO cr - c,.., o ... Sj s: - 't:l c~ ~ :::l Q:l rI) ,oQ) ~ =' e Q,l ~ z t- o t- t- o t- M CIO It') It') o M t- ,-l M o Q) ~ o It') t- o cc o ,-l"' o 0') o ,..; o .... o ,..; M ~ o ,..; .... M CIO "' C"I It') 0') t- "' .... o CIO cc I - c,.., o 1;; Q:l ~ cc t- M cc t- M .... Ol:f' cc .... M M c .... c o c.. Q - cog oB :;~ ~ -13- t- .... Ol:f' o o Ol:f' c - Q) It') CIO ~ bl)Q) .... c.... c...Fii Q)oQ) ~C39 c.._~ ~ t- Ol:f' cc t- Ol:f' cc o It') t- cc .... It') CIO Ol:f' It') >> Q:l c.. ~ :2: rI) :::::l Q) s: o Q) It:> o ,-l (l:) o t- It:> o It:> t- o It:> t- o t- o N o M .... N o o o ~"' o M t- ,..; CIO CIO M "' Ol:f' CIO t- M N ~ < Eo-< o Eo-< c:: o :0 Q:l a) toOl .~ l c.. >> o .0 Q) l:l:: '0 " Q) Q) .... ~ .s ~ :E - rI) ~:e c >> ~ "2 Q:l Q,) '0 > :.::l Q) o Q,) rIl .0 C 0 o .... Q _ '0 o Q,) o E .c: =' C) rIl CI.l ~ c.. o Q,) .... ~ Q) Q,) rI) .... .... .... c 'E ~ E B o rn o ~ ~ rIl .... .> 0. '0 E < =' rI) rIl 1: ~ Q) .... toOl C :0 Q,) l5 .5 - Q,) 0 .c: c.. .... C .... Q,) o .... 1:: &l o 'g Q) .... l:l:: rIl .... o .;s c .~ 0 b .fii rI) rIl i5 6 rI) '0 :e ,g ~ C) .... rn 1< >> Q,) f .... c.. =' ~ :2: rn Q:l .0 6. SCHOOL ENROLLMENT ASSUMPTIONS Table 5 summarizes Murray School District Dublin schools' potential enrollment under the different sketch plans for the primary planning area. Current enrollment in grades K-8 is .54 students per occupied housing unit, down from a high of 1.0 per unit in the early 1970's. Became about 80 percent of the city's housing stock was built between 1960 and 1970, families are growing up and further decline in student population from existing uni ts is expected. Despite low initial enrollments, new single family homes are likely to have more school age children within ten years after occupancy than existing homes. Enrollment ratia; are not expected to reach the peak levels of homes built during the 1960's became of lower fertility rates and changes in homehold and family structure. Multi-family housing, which will comprise from 25 to 42 percent of all units in the primary planning area, pa;es the most difficult projection problem. Traditionally, apartments have housed few children, but the current and anticipated inability of many families to afford detached units almost certainly will increase enrollments. An assumption must be made as to how much. Murray School District reports that new housing of all types has about 0.2 children per unit. For the purpose of the sketch plans, we assume that peak K-8 enrollment will be reached five to ten years after buildout with 0.2 K-8 students per multi-family unit, 0.4 per existing 1983 single family unit, and 0.6 per new single family unit, producing 2,570 to 2,740 K-8 students. Built capacity of the four Murray School District schools shown on the plans is 2,480. The discrepancy occurs west of 1-680 where Nielsen School capacity is 707, but projected K-6 enrollment is about 1,000 students. Dublin School could be re-opened to accomodate additional students, or capacity at other sites could be increased with the use of portable classrooms as necessary. -12- :::.-. [dT:;1J; t~~--- . ,~\-\ ~",- .. \~~ / ':~,".:o \~ \.- -61f; "..._,' ~i '~" ~'\ ~;:.\~. . ~~ ":o!'>- .~b .,," ::~",:::-:.::-../ ..\'........ ;~:;~ \ \, . . i _._J ..... ..... 0 o 0 o.c .c() ()tI) tI) nl >>.... ..... '-< Cd 0 cO...... 0 ....'O.c ~s::nl() ..,nlEtI) i:ii E 1-0 .c nlnlbD ~~~i ~gc2 -<4 . -- ,.f' ~ ..... .. tI) ~ ~ c:l.. , "r:' ," ./< . I, ; "'T--", ~ z o E:: ~ ~ ~ ~ ~ ~ ~ o ~ o ~ ~ ~ p:: P-t ~ o o = t) tf.l ~ <: p::. ~ Of t- o Z <: (0 Sd ~ ~ t:3 :E ~ ....... .-I Z !:a ~ ~ <: ~ <: ~ :S ~ t:I:l u< t-<~ ~< ~o ~M~~ ~ <:z VJ:3~< -~.....~ ::><pJ~ u1t-<~o a: <~ ~o o:z ~ :z~ g~ S <: ~ 8 ,j ..j, , .i i f r ( ,..... a:l ~ "'-' ~ ..... C) ~ a:l a! a:l o'r: "'-' a! ~"'-'@ ..... -::~tf.l ~ (l)"O "'-' "'-'~"'-' ~ ~~~~~ 0 "00 oo@ ~ ~ c:"'-' ..... 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( f\eVlSED TABLE 4 SUMMARY OF HOLDING CAPACITY: ALTERNATIVE SKETCH PLANS EXTENDED PLANNING AREA RESIDENTIAL DEVELOPMENT Plan 3 Plan 1 Plan 2 370 Housing Urrltsa populationa 40 2,950 130 9,400 1,200 BUSINESS/INDUSTRIAL DEVELOPMENT Plan 1 Plan 2 Plan 3 Acres J<b> Acres J<b> Acres J0tJ5 - - - High Coverage 160 6,300 0 0 LoW Coverage 610 15,400 300 7,500 480 12,000 Auto Centera 20 300 20 300 TOTAL 610 15,400 480 14,100 500 12,300 '-- a Excludes existing rural residential development b Location differs in Plans Band C (corrected 11/29/83) -11- ( ( DUBLIN PLANNING COMMISSION SKETCH PLAN RECOMMENDATIONS - PRIMARY PLANNING AREA from Commission meeting, 12/29 Site - ~and Use Designation Required Mix (1 vote for single family) Dolan School Site Park Fallon School Frederikson School Medium Density on 7 acres Park on 5 acres East Side Dougherty Hills Required Mix 5 Acre Neighborhood Park Starward at San Ramon Medium-High Density (1 vote for no resi dential) Amador Valley at Dougherty Medium-High Density on 2. acres (1 vote for no residential) West End of Dublin Blvd Mixed Use/Medium Density Medium Density West end of Hansen West of Silvergate (4 acres) Park North of Hansen M edi um D ensi ty Office/commercial West of San Ramon Rd Neighborhood Park Development M urr ay School No Change Shannon Park Downtown Center .. Neighborhood park Development Intensification opportunity Area Auto uses allowed as in Plan A BART Station and collector Street Dublin School .'~ .." Auto uses as in Plan A other Downtown 1-680 Interchange As on all plans As on all plans SP Corridor (-- C. .,' DUBLIN PLANNING COMMISSION SKETCH PLAN RECOMMENDATIONS- !,XTENDED PLANNING AREA from Commission meeting, 12/29 Residential _ combination of sketches 2 and 3, allowing for neW single family development but attempting to protect existing rural residential Commercial/lndustri~- una.J\imous support of sketch 2, mixed high and loW coverage business park with auto center. Circulation _ road as on sketch 3, cutting through industrial area .. .....4 :;,;,.1 e e - al ~ .... ~ .- Oca~ al al O.t: .... ca C'l....a .- "';:!9C1.l ~ (l)'O c: .... ....c:~ 0 !9~~~'O c: ~ '00 [f)a c:.... .- .... ._ 0 0 (l) :;;;~ c: 'Iii cf( -(l) c:'-' .... [f) [f) ~'@ !9 'a .- C:o ~""<:.D""'" al~ ~ ~~ c:~ 0. ~o.. E (l) ca@ .- . (l) ~ (l) ~ B5 ~~[f) ~~ ~ - .~..c: .....(l) cf( ~(l) c:.... (l)~""~~ [f) c: 0 .... (l) [f) ~gg~@ '(il 'Iii ~ al 'O~ ..-.~ ~(l) ~ . Iii .-. ~bO~ g ca.D (l) 0 (l) (l)c:..... '0 (l)..... ~~ >al 0 ~o >o~~c: 00. ~ ~ a1~ gca;:eO o..~ [f) [f) '00 8.c: 3:~(l)'O~ al (l) S ~ 0 .3 ~~ a ~ o [f) o (l) ~tiJ ~:D .-.0.. CI.lO ~ = u< (l) E-<~ bO al (l) <: .... ~< ~ bO [f) ~~ C t:8.'O~ c: ~o (l) g~ ~~ ~o~E 'a .... 0.. E ~M~~ 0 0.. .~O ~~ca g- .- ~ca~~~ (l) [f) tiJ c: ~ 0..... '(il ~ <z (l) c: .-. .t: .... .... al(l)C:> cf( ~~~S .... 0 ,o....00c: c (l)C'l- p..o(l)(l) 0 C'l...... ~ c:!9[f)-al ~....~'O ~(l) .... ..-. al,o....~.... 0 ~<~~ [f) .- ..c: c [f) (l)'- [f)[f)~ca ~ al E-<~O (l) Ecf( bO'- a:I.... ~ [f) 3: ~'a (l)o.. ..c: alo .... -en (l) c: al o 0 > [f) a: <~ .- .....~ ..c:[f)..c:(l).... b:::l ~~ o c: 0 :I: (l) . 'O(l)tOa 'O~:eE [f) (l) ~z 'bilaJ (l) c: 0 0 8.0.. c'O x'fil C .... CI.l a:I '0'> E 00 ~ 'w 9 .- ~ c: ~ .... ~a:eg .-.c: st< ~ .D ._ <: al CI.l ..... tf.l~ e <:: ~ c ~S ..... 8 -- ~.~ '0.... tIl....'O~ g~ cO ~ (; -j g} a:I 8''''' g al O(l)~ (l) ":""-";"i (l) co..-.:I: .... ~..c: CJ t.:l OJ .... bll - a (l)1:al ~ '!is ! c ;tIlC: .tIle .1 c::l 8ca! BoC~tIloCl.l blloE [f)(l)"-' ..c: ..... 0 (l) .e e.c e ~ ~ --q U ~ 0...... C ~ .... .1 'C~~ (l) ~ 0 0.... ~ a:I coo..al 8.~al ~E ._ ~ a:I bO _ tf) 0.... (l) c::l0..[f)(l)~0..'O ~eE~ 000.. ~ o bOca ~ ~[f).o c E .... c._ (l)ca-....(l)cai:d p:.;oo EO E '0 .- .... > .... ~ ..... ~.~ ~ bll ~.-I 'c (l)t;c g.t: C bO.t: al 0...... e E~E .- ::: .s( ~ ....(l)(l)e....!9 3: (l) ~'c ~ ~ bO,c (l) 5Q""" (l) c.... a 'S('a 'c E (l)'1ii 3: '01:>_0. (l) c: 0 0'0 0 'O~ al .... .- ,.-., .-:; c (l) ~.S a c g .S tIl ~O(l)""'" ~~E M ""'""""....... c..... p:.;0[f)0. 00 C'l C'l - .-I - .-I a1 ca c: (l) 'tl 'a 0 0 .~ ca .- al (l) .... c ~.t: .... 0. 0 al (l) E.... ~ CI.l (l) '0 c: ... . Iii E~ 0 (l) ... (l) 0'0 ~ 0.. 0 .... ~ uS u 0 C) '-" -10- ';;~;I'" ;~"E ~k~ .,.ll'.'~. <"<;r."i.i} e e REV\SED TABLE 4 SUMMARY OF HOLDING CAPACITY: ALTBRNATIVESKETCH PLANS EXl'ENDED PLANNING AREA RESIDENTIAL DEVELOPMENT Plan 3 Plan 1 Plan 2 370 Housing Uni tsa populationa 40 2,950 9,400 1,200 130 BUSINESS/INDUSTRIAL DEVELOPMENT Plan 1 Plan 2 Plan 3 A~es JotE A~es JotE A~es JotE - - - High Coverage 160 6,300 0 0 Low Coverage 610 15,400 300 7,500 480 12,000 Auto centera 20 300 20 300 TOTAL 610 15,400 480 14,100 500 12,300 ..... a Excludes existing rural residential development b Location differs in Plans Band C (corrected 11/29/83) -11- , tGr' 1 > I t> Ii, i: I ~ . /. to ~> \ ,0, f ,.<\ '1' !i , t" , I, t ( ~ f.' ~, t l k ~' " ft, J ;1: 1. ! i !;i- f ~., " , , ~i. f. I r 5' >> r } f 4 1 t: f I ~- " " .- j '" j; . . l ; ~ f. .' t i' ,-. I '(~ " r ,. 'r:; f i ~ . i ,; f. :,f I 4 ~- l i I ;- ~ -, v ~ " t f. ( .'" ~. }; [ ,y l' ~ i, , ,- i- .. - \ f'::j,'" ,.. r.~ ~ ,.-,b., , i rt .1 r ' .8 .~. :\\::"i'J(\tt~ 1: "\ - '~~{~'l;1f~"/'t/: f.~.' ~,~." ,~,'~~.r~.t~,,~~f. ~::':.-f ~,~~ ,. Al:TE~""r:: ~~ ~~ DUBLIN EXTENDED PLANNING ~ . ...' 1" ......., f. . '"",:~ ~ ce.NTE1Z- . eus.~e;&~""PUS.TJt.'AL.: LoW ~E- , . , ..' . ~.' I', , " ,', .' ~~~/;N~'~'~~' ;"'l' II ":\1::. ,,:.'J'.,':\ '.J': >",' ~/COUN'1Y...;.~D.::.' . I" . : ",'1 ;." ,I ~"v c," ....~ ~ ~bCe. /i ',1 ", ~ '~ . ': r-. (I l: ~: ~' I, ~i' i ~.' . ~'" f ~. l 'p. r r'. , ~. p' t, :''' ~. i. R ~'. ;;.~ r, t i.:. .,' w' "'. I ~,'; ~. ~l Ii".:" . . ;".' I" '?'.' j " 'It ,',',.' ~,~.>l;/ ' . 'I' ~l: " ," " \ i .~~:, .' . 1.,~' -:_ i~1~,:;~i:f::.;, ' l:....~;-i '~~~ '" &~,~.~ "f,;,}'-;, . . , ,~ I .' "., . , ~ f . · I I ~ . ~ e ~ ~ ~ ~ , ~ ~ f ~ ~ H I ~... ~ ~~~ d H ~. l. n d d. ~ ~ID~ n Ii j H H I H ~ !B~ in! D [jJ~ UJlIJ ~ I ~ ~ :<(. ,l'" ,~ ., .tI ~ ~ .~~~ ,'i::>i , ~O~ H "", ~j" " if. 1 If" ' i" , ' , " , " t'!. 1';:: ," " -'1.' . t.~. ; ',. . :'J , ' ,,' 'J .,' 4: .'.,' J" f :~- /: ,-.. ,', , ';,.' , . .,1 ',t . 'I Ii' ;','..li '....i. "j",.:1 " ;. ',.' r ~ \ ' , , i f ~ II d ~ H j I ~ ~ : ~ I I. ~ I i Iii I I i ~ I ~ I I i I i j i I I ; ; I i I I 1III I I [IJ[\] !' , , i l ~ ~ ~ ,.'. ,', \~~. : i .,' i',.' .' :;,y" f'. ';F " .".,! .t~ ,',. , l ~~'.~~~; ,-", t . .:' : ;,';i t.,,~,...'.; 't"~'i;.f;' \, '. . '~ I, .,... # .r....."..... -.....'-.,...h.,.:...,.,.-:..:,~~~~ ~;, ,,' ',' f' ~;; ~ ): ' {>> f' l' I, i r" , , - ". ~." ,~,/.. ".'I Ii ~ ~d ~d ~ ~p~HI 0 i5~ d IJ i, II, i d d f · dO ~; j " ~ m I ~ .. i g lal ~iiiHI' n i~:rn~ I,.........,',. i . ~ l' ',' .,' I , .. e e DUBLIN PLANNING COMMISSION SKETCH PLAN RECOMMENDATIONS - PRIMARY PLANNING AREA from Commission meeting, 12/29 Site - Land Use Designation Required Mix (1 vote for single family) Dolan School Site Park Fallon School Frederikson School Medium Density on 7 acres Park on 5 acres East Side Dougherty Hills Required Mix 5 Aere Neighborhood Park Starward at San Ramon Medium-High Density (1 vote for no residential) Amador Valley at Dougherty Medium-High Density on 2 acres (1 vote f or no residential) West End of Dublin Blvd Mixed Use/Medium Density Medium Density West end of Hansen West of Silvergate (4 acres) Park West of San Ramon Rd M edi um D ensi ty Office/commercial North of Hansen Neighborhood Park Development M urr ay School No Change Shannon Park Downtown Center .. Neighborhood park Development Intensification Opportunity Area Auto uses allowed as in Plan A BART Station and collector Street Dublin School Auto\iSes as in Plan A . .~.. ".~J Other Downtown As on all plans 1-680 Interchange As on all plans SP Corridor .J " .. e e DUBLIN PLANNING COMMISSION SKETCH PLAN RECOMMENDATIONS- ~XTENDED PLANNING AREA from Commission meeting, 12/29 Residential- combination of sketches 2 and 3, allowing for new single famil~ development but attempting to protect existing rural residential commercial/lndustrial- unanimous support of sketch 2, mixed high and low coverage business park with auto center. Circulation _ road as on sketch 3, cutting through industrial area ,;