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HomeMy WebLinkAboutMINUTES - 09231986 - 2.8 2.8 r t "E BOARD OF SUPERVISORS OF CONTRA COSTA COUNTY, CALIFORNIA Adopted this Order on September 23, 1986 , by the following vote: AYES: Supervisors Fanden, Schroder, McPeak, Torlakson and Powers NOES: None ABSENT: None ABSTAIN: None SUBJECT: Request for General Plan ) Amendment (5-SR-85) , Rezoning ) with Preliminary (2653-RZ) ) and Final Development Plan ) (3061-85) Applications, ) including a Minor Subdivision ) RESOLUTION NO. 86/563 (MS84-85) ; Certification of ) Related Environmental Impact ) Report for the Pacific RIM ) Project, San Ramon Area ) WHEREAS, Pacific RIM Development Corporation ( "Pacific RIM" ) applied for an amendment to the San Ramon Valley Area General Plan (County File # 5-SR-85) for 55 acres located at the southwest corner of Alcosta Boulevard and Bollinger Canyon Road in the San Ramon area, to redesignate the area from Single Family Residential-High Density to offices, retail/commercial and Multiple Family Residential-High Density for the purpose of developing a Planned Unit Development consisting of approximately 16 .24 .acres of office and retail/commercial business uses and 808 multiple family residential units . In addition, Pacific RIM requested that the 55 acres be rezoned from an existing P-1 to a separate P-1 to accommodate such development (2653-RZ) , and approval of a. Final Development Plan (3061-85) . Pacific RIM also requested approval of a minor subdivision/tentative map (#MS 84-85) to subdivide a portion of the site into three parcels to facilitate the requested development plan approvals . WHEREAS, pursuant to the requirements of the California Environmental Quality Act ("CEQA") and the State and County CEQA Guidelines, a Draft Environmental Impact Report ("DEIR") was prepared in connection with said project . The DEIR was circulated for comment as required by law. The Final Environmental Impact Report, consisting of the DEIR and the responses to comments on the DEIR, was subsequently filed with the Contra Costa County Community Development Department . WHEREAS, after duly.-noticed public hearings at which the San Ramon Valley Regional Planning Commission ("Commission") heard and considered the project, and the modifications, changes, mitigations and alternatives to said project recommended by the Final EIR, and by various agencies and individuals, ' the Commission adopted Resolution No . 46-1986 (1) certifying the Final EIR as adequate and complete in compliance with CEQA and State and County CEQA Guidelines and making the findings, determinations and statements of overriding considerations set forth therein, (2) approving minor subdivision 84-85, and (3) recommending to the Board of Supervisors approval of the proposed amendment to the San Ramon Valley Area General Plan (County File # 5-SR-85) and Rezoning and Preliminary Development Plan (2653-RZ) and Final Development Plan (3061-85) . WHEREAS, all materials constituting a part of the administrative record .of the proceedings with regard to the Project were made available to the Board or Supervisors rur its review and consideration including, but not limited to, the following materials : 1 RESOLUTTnm 86/563 t 4 ti t (a) Commission Resolution No. 46-1986 adopted August 20, 1986; (b) Conditions of Approval for Pacific RIM Rezoning and Preliminary Development Plan (2653-RZ) , Final Development Plan (3061-83) and Minor Subdivision (# MS-84-85) ; (c) Final Environmental Impact Report dated May 1986, together with comments, responses, studies and reports referred to or contained therein; and (d) Reports prepared by the Community Development Department Staff regarding the Project and the various mitigation measures, alternatives, changes and modifications thereto; and (e) All documents submitted or filed in this proceeding by Pacific RIM. WHEREAS, a duly noticed public hearing was held on September 16, 1986, before the Board of Supervisors which then continued the pending matters to the meeting of September 23 , 1986 for decision. WHEREAS, having reviewed and considered all testimony and materials made available to the Board of Supervisors as set forth above including, but not limited to, the Final EIR and the comments, responses, studies and reports referred to or contained therein, the Staff reports and the various mitigation measures, alternatives, changes and modifications to the Project, and all testimony and evidence in the record of the proceedings with respect to the Project and these applications, on September 23 , 1986, the Board of Supervisors took the actions hereinafter set forth. NOW, THEREFORE, THE BOARD OF SUPERVISORS HEREBY CERTIFIES, ORDERS, RESOLVES AND FINDS AS FOLLOWS: 1. The Board hereby certifies that (a) it has reviewed and considered the information contained in the Final EIR consisting of the DEIR dated March 1986, and the comments and responses thereto dated May 1986 (all of which are collectively referred to herein as the "Final EIR") , and (b) the Final EIR is adequate and complete, and has been prepared and processed in compliance with CEQA and State and County CEQA Guidelines . 2 . The Board hereby adopts the following amendments to the San Ramon Valley Area General Plan (which Plan is part of the County General Plan) : (a) Residential - Amend the land use designation of the southern 24 .4 acres of the site from Single Family Residential-High Density (5-7 dwelling units per net acre) to Multiple Family Residential-Medium Density (13-21 dwelling units per net acre) . (b) Mixed Use - Amend the land use designation of the westerly 10 acres of the site (adjacent to the Southern Pacific Railroad right-of-way and north of the portion of the site to be designated for Multiple Family Residential) from Single Family Residential-High Density to Mixed Use, allowing flexibility within this area to provide for a variety of compatible uses based upon future plans and study. (c) Commercial - Amend the land use designation of the remainder of the site from Single Family Residential-High Density (5-7 dwelling units per net acre) to Commercial . 3 . The Board hereby approves Rezoning and Preliminary Development Plan application (2653-RZ) and Final Development Plan (3061-85) rezoning 55 acres at the southeast corner of Bollinger Canyon Road and Alcosta Boulevard to a separate Planned Unit District as shown on said Preliminary 2 , Development Plan and Final Development Plan, subject to the Conditions of Approval attached hereto as Exhibit A. In connection therewith, the Board hereby introduces Ordinance No . 86-89, waives reading and fixes October 7, 1986, for adoption. 4 . In connection with the foregoing approvals of the Rezoning and Preliminary Development Plan application (2653-RZ) and the Final Development Plan application (3061-85) , the Board finds and is satisfied that: (a) Pacific RIM intends to start construction within two and one-half years from the effective date of the zoning change and plan approval . Pacific RIM has indicated its intent to commence construction on the Project as soon as possible, subject to Pacific RIM obtaining the necessary approvals and permits . (b) The proposed rezoning and planned unit development substantially comply with, and are consistent with, the County General Plan, as amended by this Board by this resolution. The General Plan, as amended, provides for mixed, commercial and residential uses at the Project site. The Rezoning and Preliminary Development Plan and Final Development Plan provide for 496 residential units and commercial uses, including a restaurant and market . Also included within the Project are child care and library facilities . The mixed use area is subject to further specific plans and studies . These uses are consistent with the land use designations prescribed in the General Plan, as amended. The General Plan objectives reflect the intent to provide multiple residential units in suitable densities and locations . The staff reports and other evidence establish that the density of the residential portion of the Project is appropriate for the location. The EIR indicates that the Project complies with most General Plan policies . Areas of inconsistency or conflict with the General Plan have been resolved by changes and modifications to the Project (see Exhibit B attached hereto) . In addition, the uses authorized in the land use district are compatible within the district and to uses authorized in adjacent districts . The land uses authorized in the vicinity of the Project include office (Bishop Ranch Business Park) and residential (Shappell/Lincoln) . (c) The residential portion of the Project will constitute a residential environment of sustained desirability and stability, which will be in harmony with the character of the surrounding neighborhood and community. The residential portion of the Project will provide for substantial aesthetic and recreational amenities which should contribute to its desirability and stability, and provides a desirable transition from single and multi-family residential to office uses while providing housing in the vicinity of employment opportunities . (d) The commercial portion of the Project is needed at the proposed location to provide adequate commercial facilities of the type proposed. The market analysis submitted establishes that there exists a demonstrated market for the commercial/retail uses proposed by the Project. (e) Traffic congestion will be obviated by presently projected improvements and by conditions of approval for the Project including those requiring proper entrances and exits and internal provisions for traffic and parking . Specifically, the Conditions of Approval require that substantial contributions be made by Pacific RIM to expand existing traffic facilities, both by way of actual construction and by traffic impact fees. In addition, condition 26 of Exhibit A will further reduce traffic congestion associated with the Project. (f) The Project will be an attractive and efficient center which will fit harmoniously into and will. have no adverse effects upon adjacent or surrounding development. Specifically, the Conditions of Approval provide for the mitigation of Project noise and the installation and 3 i maintenance of fencing and landscaping consistent with neighboring developments . Recreational and open space amenities, including lagoons and water features provide an attractive addition to the community. The availability of child care and library facilities satisfy certain social and cultural needs of the neighborhood. ' In addition, community need has been demonstrated for the proposed uses . The market analysis submitted shows sufficient demand for the commercial portions of the Project. Furthermore, the Final EIR indicates a need for housing in the San Ramon Valley Area . Comments to the Final EIR and public testimony indicate a need and a desire for library and child care facilities . . (g) Based on the foregoing, the development of the harmonious, integrated plan represented by the Project justifies exceptions from the normal application of the County Code. 5 . The application for minor subdivision having been approved by the Commission, the period for appeal of such approval having expired, and the matter having been presented to the Board in connection with the approval of the Project, the Board hereby approves minor subdivision 84-85, subject to the Conditions of Approval attached hereto as Exhibit A, Nos . 25A through M. 6 . In connection with the foregoing approval of minor subdivision 84-85, the Board finds as follows : (a) The subdivision, together with the provisions for its design and improvements, is consistent with the County General Plan, as amended by this Board by this resolution. The General Plan, as amended, provides for mixed, commercial and residential uses at the Project site. The Rezoning and Preliminary Development Plan and Final Development Plan provide for 496 residential units and commercial uses, including a restaurant and market. Also included within the Project are child care and library facilities . These uses are consistent with the land use designations prescribed in the General Plan, as amended. The General Plan objectives reflect an intent to provide multiple residential units in suitable densities and locations . The staff reports and other evidence establish that the density of the residential portion of the Project is appropriate for the location. The EIR indicates .that the Project complies with most General Plan policies . Areas of inconsistency or conflict with the General Plan have been resolved by changes and modifications to the Project (see Exhibit B attached hereto) . The minor subdivision hereby approved facilitates the development of the Project site in accordance with the land use designations set forth in the General Plan, as amended by this Board by this resolution. The subdivision facilitates financing of the Project and the dedication of public streets within the Project. (b) Condition of Approval 25 .A, which requires that the subdivision shall conform to the provisions of the County Subdivision Ordinance, assures fulfillment of construction requirements. (c) The effect of County ordinances and actions adopted pursuant to the Subdivision Map Act on the housing needs of the region of Contra Costa County have been considered. Consideration has included examination of the Project' s potential to increase the stock of housing available to the employees of the residential portions of the Project and of nearby employment centers, including the Bishop Ranch Business Park. The Board has considered the balance of regional housing needs against the public service needs of County residents as well as against the available fiscal and environmental resources, as these needs and resources have been identified within the approval process for the Project . (d) No evidence has been presented which would require denial under Government Code section 66474 . 4 (e) The location and size of the Project property, the nature of the established uses of the property in the vicinity of the Project, and the desirability of retaining some discretionary authority in respect of the 10 acre portion of the Project site designated for mixed use, indicate that a P-1 planned unit district zoning designation is appropriate for the Project site. These factors and constraints, and the desire to develop a harmonious and integrated plan for such district, create unusual circumstances and conditions which affect the Project property. (f) The design and planning constraints and opportunities arising in connection with a large scale integrated development such as the Project require flexible regulations in order to achieve diversity in the relationship of the various uses, buildings, structures, sizes and open spaces within the Project. Exceptions to the County Subdivision Ordinance, including Section 96-8 .402 thereof regarding the providing of sidewalks along certain streets , as set forth in Conditions 25C and 25D of the Conditions of Approval, are required to achieve the diversification of uses and the integrated, harmonious development contemplated by the planned unit development represented by the Project . Accordingly, these exceptions to the County Subdivision Ordinance set forth in the Conditions of Approval are necessary for the preservation and enjoyment of Pacific RIM' s development of the Project site in accordance with the Rezoning and Final Development Plan, as approved by this Board. (g) The granting of these exceptions to the County Subdivision Ordinance will not be materially detrimental to the public welfare or injurious to other property in the territory in which the Project is situated. Circulation within and about the Project has been provided, and Conditions of Approval have been imposed, which meet the standards necessary to satisfy the requirements of the public health, safety and welfare. Staff reports and other evidence establish that modifications to the Project have resulted in good vehicular and pedestrian circulation within the Project . 7. The Board finds that the significant environmental effects of the Project identified in the Final EIR (1) have been substantially mitigated or avoided by changes or alterations which have been required in, or incorporated into, the Project, (2) require changes or alterations within the responsibility and jurisdiction of other public agencies and such changes have been adopted by such agencies, or can and should be adopted by such agencies, or (3) cannot be mitigated except by mitigation measures or Project alternatives which the Board finds to be infeasible given economic, social, and other considerations . The Board further finds that to the extent any impacts of the Project remain unmitigated, such impacts are overridden by economic, social and other considerations which justify and require conditional approval of the Project as modified, changed and mitigated herein. The specific facts and findings of the Board regarding these matters are set forth in Exhibit B attached hereto and incorporated herein by this reference. 8 . Having reviewed and considered the Final EIR and the studies and reports therein, and the changes and modifications to the Project required by the Board and the staff reports prepared by the Community Development Department Staff, the Board finds and determines that no subsequent or supplemental environmental impact report is required because the changes and modifications to the Project do not require major revisions to the Final EIR. The changes and modifications to the Project do not involve new significant environmental impacts which were not discussed in the Final EIR. The changes and modifications to the Project in the aggregate reduce the density and intensity of land uses and resulting environmental effects, thereby constituting a mitigation of the effects identified in the Final EIR. In addition, any future use of the 10 acres of the Project site designated as Mixed Use will require additional discretionary 5 l approvals which are dependent upon further plans and study and environmental review, as necessary. 9 . The Board finds and determines that there is no feasible specific mitigation measure or project alternative that would provide a level of mitigation for particular significant environmental effects of the Project which is comparable to the mitigation achieved by reducing the number of housing units from that number proposed in the project discussed in the Final EIR. The existing General Plan for the San Ramon Valley indicates that the appropriate maximum density for multi-family residential development in the planning area is 21 units per net acre. The project originally proposed contemplated a total of 808 units which resulted in a residential density of 27.4 units per net acre. The Project approved provides 496 dwelling units at a density of 20 . 8 units per net acre. The Project therefore conforms to the residential density limitations prescribed in the General Plan. Substantially all of the mitigation measures identified in the EIR to lessen the adverse environmental effects of the Project have been implemented and/or incorporated into the Project . Project alternatives identified in the EIR which would not reduce the number of housing units in the Project would preclude the development of the retail portion of the Project and do not provide for the library and child care site and facilities offered by the Project . These overriding economic, social and other considerations, including the desirability of providing for a mixed use development and retail employment opportunities, and the inclusion of library and child care facilities, as more fully set forth in Exhibit B, make infeasible such other mitigation measures or project - alternatives . 10 . It is the intent of the Board that the foregoing findings, including the findings, determinations and statements set forth in Exhibit B, be considered as an integrated whole whether or not any subdivision of these findings fails to cross-reference or incorporate by reference any other subdivision of these findings; and that any finding required or permitted to be made by this Board with respect to any particular subject matter shall be deemed made if it appears in any portion of these findings . 11. The Board further directs the Community Development Department to file a Notice of Determination with the County Clerk. I hereby certify that this is a true and correct copy of an action taken and entered on the minuses of the Board of Supervisors-on_the date shown. \� ATTESTED: PHIL SATCHEL6n Cls--b c4. 'he Board of Supervisors and County Administrator 8y\, .—.— -- Deputy cc: Community Development Public Works County Counsel Pacific RIM Development Corporation County Assessor San Ramon Valley Fire Protection District Elman, Burk & Cassidy, Attn Wendy Guastamachio 1 Ecker. Bldg. , Suite 200 San Francisco, 94105 City of San' Ramon Edward L. Dong, The Northern Group 55 Green Street, Suite 300 San Francisco 94111-1434 6 flo EXHIBIT A CONDITIONS OF APPROVAL FOR PACIFIC RIM PRELIMINARY DEVELOPMENT PLAN 2653-RZ AND FINAL DEVELOPMENT PLAN 3061-85 AS APPROVED BY THE BOARD OF SUPERVISORS ON SEPTEMBER 23, 1986 THE MARKETPLACE - CONDITIONS -1 THRU 11 and 19 THRU 26 1. THE MARKET PLACE (COMMERCIAL DEVELOPMENT) - This approval is based upon the Preliminary Development Plan and Final Development Plan for the Market Place dated July, 1986. Consisting of the following exhibits: a. Landscape Plan Scale 1" = 60' b. Site/Roof Plan Scale 1" = 40' C. Function Analysis Scale 1" = 80' d. Site/Roof/Lease Plan Scale 1" = 40' e. Plaza Plan Scale 1/16" = 1' - 0" f. Elevations Scale 1/16" = 1 ' & 3/16" = 1' g. Elevations Scale 1/16" = 1 ' & 3/16' = 1 ' h. Elevations Scale 1/16" = 1' & 3/16" = 1' i . Elevations Scale 1/16" = 1' & 3/16" = 1' j . Elevations Scale 1/16" = 1' & 3/16" = 1' k. Elevations Scale 1/16" = 1' & 3/16" = 1' 1 . AMENITIES 2. . The applicant shall .submit plans for site design which include greater detail then presently exist for landscaping, lighting and architectural design to' the Zoning Administrator for design review approval :. Design review approval will be granted only if the following design refinements have been incorporated: a. The two office buildings at the corner of Alcosta Boulevard and Bollinger Canyon Road are one story in height with pitched roofs and of the same architecture and material as the Specialty Shopping Center. b. The restaurant building shall be of the same architectural design as the two corner offices and consistent with the Shopping Center design. C. Landscape plans shall include 15 gallon trees along Bollinger Canyon Road and Alcosta Boulevard. d. The lighting plans shall be prepared by a qualified lighting consul- tant and shall incorporate fixtures of such size, number, illumination intensity, shielding and mounting height so as to-' prevent viewing of the light source from elevations higher than the source, and also to .minimize glare reflected from ground surfaces, as is consistent with requirements for safety of the center's users and for preservation of security within the center. e. All plans shall be prepared in coordination with an acoustical consul- tant and shall minimize (to the maximum extent possible) noise heard on adjacent residential areas. Minimize noise from air conditioners, ventilation, delivery vehicles and compactors. Pg. 2 f_ A sign program shall be subject to review and approval of the Zoning Administrator which is consistent with the program outlined by the applicant during public hearings which indicated the use of Wrought Iron signs within the. :Specialty Shop area. g. . The amount of parking shall be reduced to the maximum _extent possible with additional landscaping being provided. h. Parking areas may be installed in places consistent with construction of buildings. Additional landscaping may be installed in lieu of proposed parking, until such time as demonstrated parking demands requires conversion of such landscaped areas. 3. Additional requirements may be specified during design review. 4. Landscaping along Alcosta Boulevard and Bollinger Canyon Road shall be maintained by a Lighting and Landscape Maintenance District or by the Merchants Association. 5. Street names and addressing shall be subject to review and approval of the Community Development Department. 6. Traffic control signs including no ,parking signs along the frontage of 'Bollinger Canyon Road and Alcosta Boulevard, stop signs, centerline striping, and pavement marking at all stop signs will be required. These details shall be shown on the improvement plans. The applicant's engineer will be advised- by the Public Works Department of the various. control signs, striping and pavement markings required _when the improvement plans are submitted for review. 7. The design and placement of service, areas (including garbage bin areas, exterior storage areas, and utility boxes) shall be compatible to the sites overall design and landscaping, subject to review and approval of the Zoning Administrator. 8. Bicycle parking areas shall be provided throughout the center. 9. The landscape plan shall include provisions for the trail along the SPRR and provisions for maintenance of the trail , which shall be built to standards required by the agency maintaining the trail . (Assessment District 1981-5 (LL-5) Zone #2) . 10. The library site is approved fronting on Bollinger Canyon Road, subject to further review between the City of San Ramon and the County Community Development staff. The building shall be a minimum of 17,000 square feet. 11. The westerly 10 acres, adjacent to the- SPRR and north of the Reflections is rezoned P-1. A Final Development for the entire 10 acre site must be submitted and approved prior to any new uses being established for the site. Pg. 3 THE REFLECTIONS (APARTMENT DEVELOPMENT) CONDITIONS 12 THRU 25: 12. THE REFLECTIONS (APARTMENT DEVELOPMENT) - This approval is based upon the Preliminary Development Plan and Final Development Plan for the Reflections submitted June 1986 consisting of the following exhibits: a. Site Plan (1) Scale 1"=60' b.. Landscape Plan (2) Scale 1"=60- C. Building Elevation (3) Scale 1/8"=1' d. Building Elevation (4) Scale 1/8"=1' e. Building Layouts (5) Scale 1/8'.'=1' f. Building Layouts (6) Scale 1/8"=1' g. Floor Plans (7) Scale 1/8'=1' 13. This approval shall not exceed a maximum of 496 units or 20.8 units per net acre consistent with the medium density multiple family residential General Plan designation. 14. Comply with the following landscape and irrigation requirements: a. Prior to issuance of grading or building permits, landscape and irrigation plans, prepared by a registered landscape architect, shall be submitted for review and approval .- by the County Zoning Administrator. A cost estimate or copy of the landscape improvements shall be installed prior to occupancy. - Landscaping may be installed in phases to reflect a phasing plan approved by the County Zoning Administrator. b. The proposed trees on the site shall be .a minimum of 15 gallon in size; and at least 75% of the proposed shrubs shall be 5 gallons in size. C. The fencing along Alcosta Blvd. frontage shall be a continuation of the same fence being utilized to the south in the Newcastle Development. The fence location shall be shown on the landscape plan. > d. The design and placement of service areas (trash bins, exterior storage areas, and utility boxes) shall be compatible to the sites overall design and landscaping, subject to review and approval of the County Zoning Administrator. e. Landscaping of the public right-of-way are subject to ' review and approval-' by the Public Works Department. 15: A landscape plan shall be submitted for the trail along the Southern Pacific right-of-way. Landscaping and walkway facilities shall be completed prior to occupancy and maybe installed with each phase of the development. The open space walkway area (SPRR) shall be dedicated for public use. Responsibility for maintenance of the facility shall be provided for, prior to issuance of the first building permit for the project. This area shall be maintained by the same jurisdiction responsible for the facility in the Newcastle project. C 1 Pg. 4 16. Car maintenance areas shall be provided for use, of the residents of the development. 17. Complete plans and elevations for the units shall be submitted for review and approval of the Zoning Administrator prior to issuance of building permits. Samples of materials and colors for exterior of units shall be submitted for review and approval . The roof and exterior walls of all buildings shall be free of such objects as air conditioning equipment, television aerials, water or electric meters etc. , or screened from view. Exterior lights shall be deflected so that lights shine onto applicant's property and not toward adjacent properties nor shall they cause glare for motorist driving along Alcosta Blvd. Physical standards which shall be met for individual units include the following: a. Provision of 50 cubic feet of protected storage in addition to closet space normal to all residential units. b Provision of a minimum of 100 square feet of private open space (i .e. enclosed private patio) for each ground floor unit and an average of 75 square feet of private open space (i .e. enclosed deck area) for each second and third floor unit. The at grade patio areas shall be screened and landscaped for privacy of the units. C. The third story units shall be eliminated and an equivalent number of units added elsewhere on the site and the site plan shall be modified accordingly subject to approval as provided above. 18. A sign directory displaying the numbers and location of all dwellings in a diagram manner shall be posted at each vehicular entrance and main pedestrian entrance. Project identification signs not to exceed 35 square feet in area, may be utilized at the driveway entrances. 19. Street names shall be subject to review and approval of the Community Development Department. 20. Details of the entrances to the project are subject to review and approvals of the Public Works Department and the Community Development Department. Prior to the issuance of building permit, entrance details shall be submitted. 21 If archaeologic materials are uncovered during grading, trenching or other on-site excavation, earthwork within 30 meters of these materials shall be stopped until a professional archeologist who is certified by the Society for California Archaeology (SCA) and/or the Society of Professional Archaeology (SOPA) has. had. an opportunity to evaluate the significance of he find and suggest appropriate mitigation measures, if. they are deemed necessary. 22. Preliminary grading and drainage plans shall be submitted prior to issuance of a building permit. . Pg. 5 23a. Coordinate with the developers to the south 'of this development to provide adequate wall and landscaping between the two projects. 23b. Noise- generating construction shall be limited to weekdays between the hours of 7:00 a.m. and 6:00 p.m.. 24. Comply with the requirements of the San Ramon Fire Protection District. 25. Comply with drainage, roadimprovement, traffic and utility requirements as follows: A. In accordance with Section 92-2.006 of the County Ordinance Code, this subdivision shall conform to the provisions of the County Subdivision Ordinance (Title 9) . Any exceptions. therefrom must be specifically listed in this conditional approval statement. Frontage improvements on Bollinger Canyon Road and Alcosta Boulevard, as required by the ordinance, shall include curbs, sidewalks and road improvements within . twenty feet of the face of the curb. All road improvements beyond twenty feet of the face of the curb shall be considered off-site improvements. The following conditions of approval defines the required road improvements, including frontage improvements. B. Construct road improvements, including frontage improvements as follows: 1) On- Alcosta Boulevard: a). Construct, or relocate, frontage improvements to provide for right-turn lanes, 14 feet by 120 feet, in advance of the Main Street and Market Street entrances to the development. , b) Construct a standard bus turnout at a location subject to approval by the Public Works Department. c) Modify median and construct new pavement to provide for two (2) 300-foot long dual left-turn lanes for north- bound Alcosta Boulevard traffic turning westbound on Bollinger Canyon Road. d) Modify median and construct new pavement to provide for two (2) 300-foot long dual left-turn lanes for south- bound Alcosta Boulevard traffic turning eastbound on Bollinger Canyon Road. e) Modify and expand the existing traffic signal at the intersection of Alcosta Boulevard - and Bollinger Canyon Road so that it will function as a full 4-way intersec- tion signal . The signal design shall be done by the County Public Works Department at the developer's expense and subject to a separate agreement. Pg. 6 f) Install a traffic signal at the intersection of Alcosta - Boulevard and Market Street and modify channelization to provide .for a 200-foot long left-turn lane with standard transition for northbound traffic on Alcosta Boulevard. The signal design shall be done by the County Public Works Department at ' the developer's expense and subject to a separate agreement. g) No median breaks will be allowed on Alcosta Boulevard at Main Street, at the entry to the residential area in the southeast corner of the site, and at the entry to the retail commercial area between Main Street and Market Street. Only right turns, in and out, will ' be allowed at these intersections. h) Overlay all existing pavement for the full width of Alcosta Boulevard within the limits of the median work, described above, with 0.10-foot open-graded asphalt concrete; grind pavement to ensure flush butt joints at gutter lips; and replace or install new striping with thermoplastic materials. i ) Convey to the County, by Offer of Dedication, addition- al right .of way, as necessary, to a minimum of 10 feet behind curb alignments resulting from the road improve- ments described above. j) Construct curb and 8-foot . 6-inch sidewalk (width measured from curb face) along the frontage of Alcosta Boulevard. 2) On Bollinger Canyon Road: a) Construct, or reconstruct, frontage improvements and widen Bollinger Canyon Road approximately 8 to 28 feet andprovide for a right-turn lane, 14 feet by 200 feet long, in advance of the Market Street intersection in accordance with plans prepared by the. Public Works Department. b) Install a traffic signal at the intersection of Bollinger Canyon Road and Market Street, designed to function as a full 4-way intersection signal . The northerly leg, into the property to the north of this site, will not be put into operation until- needed. The signal design shall be done by the County Public Works Department at the developers expense and subject to a separate agreement. Pg. 7 c) Modify the existing traffic median to provide for a single left-turn lane for eastbound traffic and dual left-turn lanes for westbound traffic on Bollinger Canyon Road at its intersection with Market Street. d) Overlay all pavement on the south side of the median, along the frontage, with 0.10-foot open-graded asphalt concrete; grind pavement to ensure flush butt joints at gutter lips; and replace or install new striping with thermoplastic materials. e) Convey to the County, by Offer of Dedication, addition- al right of way, as necessary, to a minimum of 10 feet behind curb alignments resulting from the road improve- ments described above. f) Construct curb and 8-foot . 6-inch sidewalk (width measured from curb face) along the frontage of Bollinger Canyon Road. C. Market Street shall be dedicated ' to the County and constructed to County public road standards, with sidewalks on one side only along the Market Place frontage. D. Main Street shall be a private street with no sidewalks, con- structed to County public road standards and inspected by the Public Works Department. E. All interior streets, excluding Market Street and Main Street, shall be constructed to County private road standards. F. Market Street -shall be signed for "No .Parking". G. Market Street, at the Bollinger Canyon Road entrance, shall be wide enough to accommodate two lanes for inbound and three lanes for outbound traffic, and a raised median extending from Bollinger Canyon Road to. the north, side of the intersecti-on of Market Street and Main Street. Inner lane widths shall be 12 feet and outer lane widths shall be 16 feet, as a minimum. H. Market Street, 'at the Alcosta Boulevard entrance, shall be wide enough to accommodate two lanes for both inbound and outbound traffic and shall have a raised median strip. Inner lane widths shall be - 12 feet and outer lane widths shall be 16 feet, as a minimum. I. Submit a scale drawing showing all widening, channelization and striping for Alcosta Boulevard, Bollinger Canyon Road and Market Street, for Public Works Department review, prior to submitting final improvement plans. Pg. 8 J. Prevent storm drainage, originating on the property and conveyed in a concentrated manner, from draining across the sidewalks and driveways. K. Furnish proof to the Public Works Department, Engineering Services Division, of the acquisition of all necessary rights of entry, permits anal/or easements for the construction of off-site, temporary or permanent, road and drainage. improvements. If, after good faith negotiations, the applicant is unable. to acquire necessary rights of way and easements, he shall enter into an agreement with the County to complete the necessary improvements at such time as the County acquires the necessary interests in accordance with Section 66462 and 66462.5 of the Subdivision Map Act. L. To mitigate the traffic impact of this development, prior to issuance of building permits, contribute $1,000 per dwelling unit and $3.50 per square foot of office and retail space, on a prorata basis, to a Road Improvement Fee Trust (fund No. 819200-0800) designated for road improvements in the Bishop Ranch area. Credit will be given for the cost of the road improvements outlined. in the preceding conditions of approval as follows: 1) Cost of all road improvements, except as described below, beyond 20 feet of the face of curb along Bollinger Canyon Road and Alcosta Boulevard. All improvements within 20 feet of the face of curb shall be considered frontage improve- ments and their cost will be not credited. 2) Market value cost of acquiring off-site rights of way and/or easements. 3) fifty (50) percent of the cost of the traffic signal and median construction at the intersection of Bollinger Canyon Road and Market Street. No credit will be given for new or modified landscaping. 4) Seventy-five (75) percent of the cost. of modifying the traffic- signal and median construction at the intersection of Bollinger Canyon Road and Alcosta Boulevard. However, 100% credit will be given for the modification of the northerly median construction 5) Costs will be based on the quantities and unit prices shown on the approved bond estimates. These costs shall be increased by 10 percent to cover engineering costs and thecost of any County signal design shall be increased, by 50 percent. M. Prior to issuance of building. permits, file the Parcel Map for Subdivision MS 84-85. Pg. 9 26. For the . office use the applicant shall prepare and implement a Transportation Systems Management program ("TSM") as approved by the Zoning Administrator. The program shall include as a goal. a 35%:- reduction in the number of vehicular trips resulting from occupancy of the subject office project. a. The—program for the office project shall be submitted to the Zoning Administrator,prior to the issuance of building permits for the office project. The program shall be approved prior to final inspection of the office project by the building i-nspector. b. With approval of the Zoning Administrator the requirements of this Condition 26 may be satisfied by participation in a TSM program with other projects in the vicinity. NLH:ed/aa 9rz 6/6/86 . 7/30/86 8/13/86 8/20/86 10/6/86 _f EXHIBIT B CONTRA COSTA COUNTY BOARD OF SUPERVISORS California Environmental Quality Act Findings on the Significant Environmental Effects Identified in the EIR and Statement of Overriding Considerations This Exhibit B is a part of Contra Costa County Board of Supervisors Resolution No. 86/563 I . SIGNIFICANT EFFECTS AND MITIGATION MEASURES 1. Significant Effect-Conflict With SP Right-of-Way. The EIR identifies a potential conflict between the Project and the future use of the Southern Pacific right-of-way situated on the western boundary of the Project as a potentially significant environmental effect of the Project. (a) Facts. As approved, the westerly ten acres of the Project site adjacent to the Southern Pacific right-of-way is being rezoned P-1 . Condition 11 of the Project requires that a Final Development Plan must be submitted for such area and approved prior to any new uses being established for that part of the Project site. Measures necessary to resolve such potential conflict which are not already taken pursuant to the Conditions of Approval should be implemented at that time. The "open space walkway area" along the Southern Pacific right-of-way is required to be dedicated for public use. Condition 15 requires that a landscape plan be submitted for the trail located along such right-of-way, and that 1 y ' landscaping and walkway facilities shall be completed prior to occupancy. (b) Findings . The Board finds that such conditions of approval, together with the requirement of further review for Final Development Plans with respect to the ten acres adjacent to the right-of-way, substantially mitigate the potential impact . To the extent any such impact remains unmitigated, this Board finds such impact is acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impact or the implementation of the project alternatives described in the EIR (See Section II, below) . 2 . Significant Effect-Residential Density. The EIR indicates that the Project would create residential housing at a density higher than is currently considered appropriate by the General Plan for the San Ramon Valley Area, and which would exceed the density of the surrounding residential developments . The project discussed in the EIR considered a residential density of 27.4 units per net acre; the General Plan states a limit of 21 units per net acre. (a) Facts . The Project being approved contains 496 units instead of the 808 units originally proposed. In addition, the Project being approved provides for a density of multi-family residential-medium density, rather than the single family residential-high density discussed in the EIR. The Project approved has a density of 20 . 8 units per net acre. 2 t ' �1 �- (b) Findings . Changes in the Project have incorporated the mitigation measures suggested in the EIR by reducing the net density of the residential portion of the Project to a net density not to exceed 21 units per acre, and by providing for a General Plan designation for the residential portion of the Project of Multi Family-Medium Density. The Board, therefore finds that the impacts identified in the EIR associated with the density of the Project have been substantially mitigated. To the extent any such impacts remain unmitigated, the Board further finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III , below. Such overriding considerations make infeasible the complete mitigation of such impact or the implementation of the project alternatives described in the EIR (see Section II, below) . 3 . Significant Effect-Loss of Open Space. The EIR indicates that the Project would replace fifty-five acres of undeveloped grassland in the San Ramon Valley. (a) Facts . The Project site is at the junction of administrative office, manufacturing, residential and open-space land uses . The Project site is already zoned for high-density, single-family residential use. The Staff Report indicates that the project site is one of the last conveniently located parcels where housing can be placed close to jobs without a total reliance on automobiles or transit systems . The Staff Report further identifies a need for housing near the 3 Project site to provide a place for employees to live in close proximity to job opportunities . The Project provides for substantial landscaped open-space in the residential portions of the Project site. The Project also provides the San Ramon Valley area and the City of San Ramon with a child day care center and library. Finally, the EIR indicates that the soil is not suitable for grazing or intense agricultural use. (b) Findings . The Board finds that the identified impact is unavoidable unless the No Project Alternative identified in the EIR is adopted. Nevertheless, the Board finds that the No Project Alternative is infeasible for the reasons set forth in Section II, below, and that the overriding social, economic and other considerations set forth in Section III , below, justify approval of the Project . 4 . Significant Effect-Visual Character. The EIR indicates that the Project would continue the trend of changing the visual character of this portion of the San Ramon Valley from rural and agricultural to suburban residential and commercial uses, thereby breaking up the visual continuity of adjacent undeveloped lands and reducing the area ' s present visual diversity. The EIR identifies impacts associated with lighting on the Project site which would be visible from existing and future homes in surrounding developments . The EIR further indicates that the three-story height of some buildings within the Project would contrast with nearby residential areas . 4 (a) Facts . Various modifications and other measures have been incorporated into the Project to mitigate the foregoing visual impacts . The Project as approved limits building heights to a maximum of two stories . Large building setbacks on the corner of Alcosta Boulevard and Bollinger Canyon Road mitigate the visual impact on those streets . Trees in the parking lot and short lighting standards are proposed to keep parked cars and lighting from being seen from nearby residences . Rooftop wells hide mechanized equipment from the view of. surrounding neighborhoods . Conditions 2d. , 4, 7, 14 , 17, and 23 all require the implementation of various measures to enhance the visual appearance of the Project and assure visual continuity between the Project and surrounding developments . (b) Findings . The Board finds that implementing these conditions will substantially mitigate the visual impacts associated with the Project. To the extent any such impacts remain unmitigated, the Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III , below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the project alternatives described in the EIR (See Section II, below) . 5 . Significant Effect-Jobs/Housing Imbalance. The EIR indicates that the jobs/housing balance discussed in the EIR is not a physical environmental effect . However, the EIR 5 indicates that the approval of the Project discussed in the EIR would contribute to the trend in the San Ramon Valley Area of providing employment opportunities at a rate which exceeds the development of new housing. The EIR identifies a potential increase in air pollutants, energy consumption and traffic congestion as potential cumulative environmental effects of this projected housing imbalance. The EIR further identifies the potential effects on the availability of lower cost housing which may result from the increase in housing costs caused by an increase in demand. (a) Facts . The EIR indicates that in 1985 the South I-680 corridor (the San Ramon Valley) had a jobs/housing ratio of less than 0. 9 jobs for every household. However, the EIR further indicates that the amount of commercial and industrial development along this corridor is projected to result in a ratio of almost 1. 5 jobs for every household in the year 2005 . The EIR identifies the possibility that some employees of the retail portion of the Project would come from neighboring communities such as Livermore, Pleasanton and Dublin, thereby yielding a lower potential housing demand than that identified in the studies relied on in the EIR. The EIR also indicates the difficulty of attempting to match new jobs with new or existing households. Findings 12, 13 and 15 below, discuss in detail various project modifications and alterations which have been adopted for the Project which mitigate the effects of the traffic congestion, air pollution and energy consumption impacts identified in the EIR. 6 (b) Findings . The Board finds that the mixed-use nature of the Project, which would permit Project residents to work at the retail/commercial facilities provided by the Project or at nearby Bishop Ranch Business Park, and changes and modifications incorporated into the Project will substantially reduce the traffic, air pollution and energy consumption impacts identified in the EIR (see Findings 12, 13 and 15) . Accordingly, the Board finds that these factors and changes in the Project substantially mitigate the impacts identified in the EIR with respect to the projected increase in the jobs/housing imbalance. The Board further finds that to the extent any such impacts remain unmitigated, the overriding social, economic and other considerations set forth in Section III, below, make infeasible the complete mitigation of such impacts or the implementation of the project alternatives described in the EIR (see Section II, below) . Specifically, the EIR recommends that the site be rezoned and developed for all residential use as a mitigation measure for the impacts created by the prospective jobs/housing imbalance. The Board finds that the jobs/housing imbalance is prospective, and ultimately dependent in part on various factors, including continued economic expansion in the region and the land use and other policies of other public agencies, which factors can, and will, change over time. On the other hand, a market study prepared by Lynn Sedway & Associates indicates a demonstrated current market for the 7 commercial and retail services and goods of the type provided by the Project. Furthermore, the project offers various other valuable amenities, including child care and library facilities, all of which are currently needed in the community and which would not be available if the mitigation measure proposed by the EIR were adopted. Accordingly, the Board finds that the benefit in fulfilling the present needs of the community in the vicinity of the Project outweighs the potential environmental effects associated with the prospective jobs/housing imbalance. 6. Significant Effect-Impact of Retail Competition. Comments on the Draft EIR identify a potential adverse impact on the character of existing shopping centers caused by the competition resulting from the development of the retail portion of the Project. (a) Facts . The applicant has prepared and submitted a market study prepared by Lynn Sedway & Associates with respect to the feasibility of the proposed retail portion of the Project. The study concludes that " [t]he market demand for the marketplace will be strong, due to lack of competitive facilities, major new residential development in the Danville/San Ramon Area, and significant new employment growth along the Interstate 680 corridor. " The study further indicates that only limited competition with existing centers is likely, since the retail portion of the Project will be targeted to upscale, specialty goods and gourmet food items 8 purchasers. The study concludes that the retail portion of the Project will develop its own economic niche in the San Ramon area. In addition, the study indicates that due to increasing population in the area, the percentage of market share required for the proposed retail development to be successful would, in fact, decline over time. Such factors indicate that the available market for the goods and services offered by the proposed retail development can be expected to increase. (b) Findings . Section 15131 of the CEQA Guidelines provides generally that the economic or social effects of a project shall not be treated as significant effects on the environment. However, physical changes resulting from economic or social changes created by the Project should be considered as to whether they constitute significant effects on the environment . The Board has reviewed and considered the nature and extent of existing and reasonably anticipated shopping centers in the Project area, and the market study prepared by Lynn Sedway & Associates regarding the retail portion of the Project. The Board finds that the potential for economic or social changes to cause significant adverse effects on the environment is in this instance not demonstrated. In addition, the market study prepared by Lynn Sedway & Associates indicates that the retail portion of the Project will not adversely affect existing shopping centers . Accordingly, the Board finds that there does not exist substantial evidence to support a determination that these impacts will have a significant effect on the environment . 9 Nevertheless, in the event that significant effects on the environment are determined to result from the social and economic effects caused by the retail portions of the Project, the Board further finds that such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II, below) . Specifically, the Board finds that the library and child care facilities which have been incorporated into the Project are necessary and valuable community facilities which could not feasibly be provided if the retail portion of the Project were eliminated. In addition, the location of such retail development adjacent to housing and office developments reduces the need for area residents and employees to drive to restaurant and shopping facilities . Lastly, the retail portion of the Project provides retail job opportunities in the vicinity of residential development, which presents the opportunity to reduce traffic associated with commuting . 7. Significant Effect-Police Services . The EIR identifies a potential impact on police services provided by the Sheriff ' s Department. The EIR indicates that the Project would increase the demand for police services, thereby necessitating an additional officer. 10 (a) Facts. No additional equipment or patrol cars would be required. The increased tax base from the development of the Project should generate significant additional tax revenues which could be budgeted for police protection services. In addition, condition 2.d requires that lighting plans shall be prepared which are consistent with the requirements for safety of the Project ' s users and for preservation of security within the retail portion of the Project. The EIR indicates that the Sheriff ' s Department has stated that crime in the area of the Project is "low. " (b) Findings . The Board finds that there is no evidence that the potential impact on police services associated with the Project will cause a substantial or potentially substantial adverse change in the environment. Accordingly, the Board finds that this impact identified in the EIR will not have a significant effect on the environment. To the extent this impact will have any effect on the environment, the Board finds that it is mitigated by the foregoing conditions and requirements . To the extent any such impact remains unmitigated, this Board finds such impact is acceptable in light of the overriding social, economic and other considerations set forth in Section III , below. Such overriding considerations make infeasible the complete mitigation of such impact or the implementation of the Project alternatives described in the EIR (see Section II, below) . 11 7A. Significant Effects - Excess Water Consumption. Comments to the EIR indicate that water use in connection with the lagoon features of the Project is contrary to the County' s policy on water conservation and East Bay Municipal Utility District ' s water conservation programs . (a) Facts . The use of lagoons in the Project would require water usage which would be equal to or greater than irrigation of the same area of turf . The use of EBMUD water for lagoons could be restricted or denied during drought years . The lagoon features of the Project are a design amenity which provides visual interest and diversity to the residential portion of the Project. This feature would contribute substantially to the long-term attractiveness of the Project and, therefore, its long-term economic viability. (b) Findings . The Board finds that the mitigation measures identified in the EIR with respect to the lagoon features of the Project are infeasible. Such measures would substantially detract from the aesthetic value of these features as proposed, thereby diminishing the attractiveness and long-term viability of the Project. The Board, therefore, finds that these design factors outweigh the impact on water use identified in the EIR and that these considerations warrant approval of the Project notwithstanding such impacts . 8 . Significant Effects-Growth-Inducing Impact Associated With Increased Demands on Sewer Capacity, The EIR contains a statement by the Central Contra Costa County 12 l Y Sanitation District which indicates that the Project must be regarded as having growth-inducing impacts. (a) Facts. Currently, the facilities which would serve the Project are being upgraded to provide an approximately 20% increase over existing capacity. Such additional capacity is expected to be available in October of 1986 . This increase would occur without development of the Project . In addition, the Project approved provides for residential densities substantially less than those contemplated in the project discussed in the EIR. The East Bay Municipal Utility District has developed water conservation guidelines for landscaping in new construction, and the County has adopted regulations requiring drought-resistant plants and efficient irrigation systems in all new developments except single-family housing. (b) Findings . The Board finds that any significant environmental effects created by the Project ' s demands on sewer facilities is substantially mitigated by the projected available capacity of such services, the reduced density of the residential portion of the Project and the requirements recited above regarding water conservation measures . To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impacts or the 13 implementation of the Project alternatives described in the EIR (see Section II, below) . 9 . Significant Effect-Increased Need For Parkland. The EIR indicates that the Project would create a demand for three to four acres of new parkland, and that together with other residential developments in the San Ramon vicinity, the Project would add to the cumulative demand for more recreational and open space. (a) Facts . The residential densities of the Project have been reduced from the densities addressed in the EIR. In addition, Condition 9 requires that the Project ' s landscape plan shall include provisions for a trail along the Southern Pacific right-of-way, and Condition 15 provides that the "open space walkway area (SPRR) shall be dedicated for public use. " Pools and tennis courts included in the Project, together with substantial open space within the residential portion of the Project, will further add additional recreational facilities in the area. Finally, Condition 25 requires that the Project conform to the provisions of the County Subdivision Ordinance which require, among other things, the dedication of parkland or the payment of in-lieu fees to provide for parkland and recreational facilities . (b) Findings . The Board finds that these conditions and changes in the Project substantially mitigate any potential significant environmental effects of the demand for park and recreation facilities. To the .extent any such 14 impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impact or the implementation of the Project alternatives described in the EIR (see Section II , below) . 10 . Significant Effect - Increased School Enrollment. The EIR identifies an impact associated with the increase in school enrollments caused by the Project . (a) Facts. The increase identified in the EIR represents less than 3% of 1985 capacity at each grade level . The EIR indicates that the changing demographics and construction of new residential developments contribute to changing enrollment levels, making the impact of the Project on the school district' s capacity situation difficult to predict . The proposed project discussed in the EIR contemplated 808 dwelling units. The Project approved will consist of 496 dwelling units . In addition, the San Ramon Valley Area School Fee Ordinance requires payments of fees based on the number of bedrooms at the time of issuance of a building permit. Historically, the District has been able to transfer students to other schools in order to balance enrollments with capacity. The EIR indicates that the impacts of the Project on school capacity are predicted to be small . (c) Findings . The Board finds that the reduction in the residential density of the Project, together 15 4 with the fee requirements discussed above, substantially mitigate any potential significant environmental effects of the Project on increased school enrollments . To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II , below) . 11. Significant Effect - Drainage and Water Ouality. The EIR identifies various environmental impacts resulting from the removal of the South San Ramon creek channel in connection with development of the Project. These effects include an increase in runoff from the Project site which would add incrementally to cumulative runoff in the surrounding basin, and contributions to existing downstream flooding, erosion and sedimentation. In addition, water quality in the portion of the creek culverted would be degraded by sedimentation during construction, and thereafter by the addition of road grease, pesticides and fertilizer to the stream. (a) Facts. A storm drain culvert was approved by the Contra Costa County Flood Control District, and such drainage improvements have been completed. Accordingly, impacts associated with the culverting of the South San Ramon Creek would not be a result of the approval of this Project by the Board. Condition 14 requires that the Project sponsor 16 submit landscape and irrigation plans to the County Zoning Administrator prior to the issuance of grading or building permits . In addition, Condition 22 requires that preliminary grading and drainage plans be submitted prior to the issuance of a building permit. County ordinances require permittees to effect and maintain measures necessary to prevent damage by erosion, flooding and deposition of mud or debris originating from a project site. Lastly, Condition 25 requires that the Project sponsor comply with the drainage requirements set forth in Title 9 of the County Subdivision Ordinance. (b) Findings . The Board finds that the foregoing conditions; which impose requirements as to landscaping, irrigation and drainage, as well as conditions on grading and associated erosion, will reduce the flooding, erosion, sedimentation and other effects on water quality associated with the Project and, therefore, substantially mitigate the adverse impacts on drainage and water quality identified in the EIR. To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III , below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II , below) . 12. Significant Effects - Traffic. The EIR identifies certain environmental effects associated with traffic. 17 (a) Facts . The EIR demonstrates that all of the intersections analyzed in the EIR would continue to operate at LOS A or B during both peak hours after the addition of Project traffic. However, the EIR identifies significant environmental effects associated with traffic generated by potential cumulative development . The EIR indicates that after the addition of cumulative-plus-project traffic, the levels of service would range from A to D, with LOS D prevailing at specified intersections . The EIR states that while LOS D is indicative of increasing congestion, such level is still within acceptable limits . The residential density of the Project approved is substantially reduced from that discussed in the EIR. Condition 25 requires that the Project sponsor comply with the road improvement and traffic requirements of the County Subdivision Ordinance. Along Alcosta Boulevard such improvements would include dual left-turn lanes for south and northbound traffic, the construction or relocation of frontage improvements to provide for right turn lanes in advance of entrances to the Project; the modification and expansion of existing traffic signalization at the intersection of Alcosta Boulevard and Bollinger Canyon Road to function as a full four-way signal; and other improvements and dedications specified in Condition 25.B. 1. Condition 25 .B.2 requires the Project sponsor to construct or reconstruct frontage improvements and widening to Bollinger Canyon Road, and further traffic signalization, improvements and dedications . A further 18 condition of approval of the Project requires that the Project sponsor implement a transportation system management program prior to occupancy. In addition, Condition 25.L requires, as a further mitigation to the traffic impact resulting from the Project, that the Project sponsor contribute fees to the Road Improvement Fee Trust in the amount of $1, 000 per dwelling unit and $3 . 50 per square foot of office and retail space. Further, Condition 8 requires that bicycle parking areas be provided throughout the retail portion of the Project . The Project also includes pedestrian and bicycle paths as well as dedicated trails along the Southern Pacific right-of-way. (b) Findings . The Board finds that these conditions, together with changes in the Project, substantially mitigate the traffic impacts created by the Project. The Board further finds that additional measures to mitigate the traffic impacts of future cumulative development beyond those specified in the Conditions of Approval cannot feasibly be imposed. The implementation of measures necessary to completely mitigate traffic impacts of future cumulative development in the Project vicinity is within the responsibility and jurisdiction of the various cities within Contra Costa County, in addition to this Board. These cities can and should implement measures comparable to those incorporated into the Project in order to mitigate the traffic impacts of future cumulative development . Accordingly, to the extent any traffic impacts associated with the Project remain unmitigated, this Board finds such impacts 19 µ ,are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impact or the implementation of the Project alternatives described in the EIR (see Section II, below) . 13 . Significant Effect - Air Ouality. The EIR indicates that the Project would likely affect future levels of ozone, carbon monoxide, and total suspended particulates ( "TSP" ) in the San Ramon Valley and in the Bay Area. The EIR also states that it is likely that, without mitigation measures, construction activities would raise TSP concentrations enough to have a significant impact on local air quality. (a) Facts . Traffic associated with the Project, together with cumulative development in the area, is not expected to create violations of the one-hour or eight-hour carbon monoxide standards. The density of the Project has been reduced from the density discussed in the EIR. The mixed-use nature of the Project permits circulation within the Project without the use of automobiles by means of pedestrian and bicycle pathways. The County' s Subdivision Ordinance requires sprinkling of unpaved construction areas and the implementation of other means to reduce TSP concentrations caused by Construction activity. Numerous mitigation measures and modifications to the Project have been required as conditions of approval in connection with the mitigation of impacts associated with Project traffic (see Finding 12) . 20 (b) Findings . The Board finds that the nature of the Project, the Conditions of Approval, and the reduced density of the Project substantially mitigate the adverse air quality impacts identified in the EIR. To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II, below) . 14 . Significant Effect - Noise. The EIR identifies two potential noise effects created by the Project: A short-term temporary effect during construction of the Project, and a long-term effect due to Project operation. (a) Facts . The density of the Project has been reduced from the density discussed in the EIR. The EIR indicates that Project vehicles would contribute, at most, a barely noticeable increase to the noise experienced along the roads adjacent to the Project. Condition 2.e requires that all plans shall be prepared in coordination with an acoustical consultant and shall minimize (to the maximum extent possible) noise heard on adjacent residential areas . It is further required by Condition 2.e that the Project minimize noise from air conditioners, ventilation, delivery vehicles and compactors. The EIR indicates that construction noise is not unusual for the Project area. In connection with noise created 21 ` ,by construction of the Project, state and federal regulations prescribe standards for muffling construction and transport equipment. In addition, County ordinances require that grading operations shall be controlled to prevent nuisances due to noise and/or vibration. The conditions of approval limit noise-generating construction activities to weekdays between the hours of 7: 00 a .m. and 6 : 00 p.m. (b) Findings . The Board finds that these factors and conditions substantially mitigate the noise impacts identified in the EIR. To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II , below) . 15 . Significant Effect - Energy Consummation. The EIR identifies increased energy consumption as an impact resulting from the construction and operation of the Project . (a) Facts . The EIR indicates that PGandE has stated that it would be able to supply the required natural gas and electricity without difficulty. No new major facilities would be required as a result of the construction and operation of the Project. The EIR indicates that the mixed-use nature of the Project, together with the potential for providing employment for residents of the Project, and housing for 22 � employees of nearby developments, reduces the amount of fuel consumed. The Uniform Building Code and Title 24 of the California Administrative Code require that the Project comply with minimum energy conservation standards . Measures incorporated into the Project in connection with the mitigation of traffic impacts discussed above (see Finding 12) will further reduce energy consumption. The reduction in the density and intensity of the residential uses of the Project from those discussed in the EIR also will reduce energy consumption. (b) Findings . The Board finds that these factors and conditions substantially mitigate the impacts of increased energy consumption associated with the Project. To the extent any such impacts remain unmitigated, this Board finds such impacts are acceptable in light of the overriding social and economic conditions set forth in Section III , below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II , below) . Specifically, it is infeasible to require the Project to adopt energy conservation standards in excess of those prescribed by Title 24 and the Uniform Building Code. There is no evidence supporting the presumption that energy use within the Project will differ significantly from other developments which have been built pursuant to these existing energy standards . It is not standard County practice to require a 23 Y 1 single development project such as the Project to supplement these requirements. The existing energy conservation standards set forth in Title 24 and the Uniform Building Code have been developed by governmental agencies following substantial research, testing, public review and refinement . The Board finds that it is infeasible to impose different standards on projects such as the Project in the absence of the development of uniform standards imposing such further requirements . 16 . Significant Effects - Growth-Inducing Impacts . The EIR identifies certain growth-inducing impacts associated with the Project. Specifically, the EIR indicates that the requested General Plan Amendment and rezoning could encourage similar requests for undeveloped parcels in the Project vicinity. The EIR expresses specific concern with respect to the increase in density associated with the Project discussed in the EIR. In addition, the EIR indicates that the projected jobs/housing imbalance in the San Ramon Valley area, increased retail competition, and demands on water, sewage treatment, school and traffic facilities associated with the Project would eventually lead to additional future growth. (a) Findings . The Board finds that the Project being approved rezones the residential portion of the Project site to density levels within the policy limits established under the County' s General Plan policies . Accordingly, the concern with respect to the precedent-setting effect of 24 approval of the General Plan Amendment and rezoning discussed in the EIR is not raised by the Project. The Board further finds that with respect to the other growth-inducing impacts identified in the EIR, these impacts have been analyzed separately with respect to each significant effect identified in the EIR and discussed in detail above. The Board further finds that these impacts have been avoided or substantially mitigated as a result of the incorporation of changes in the Project or the imposition of conditions of approval of the Project . To the extent any of such impacts remain unmitigated, the Board finds that such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III, below. Such overriding considerations make infeasible the complete mitigation of such impacts or the implementation of the Project alternatives described in the EIR (see Section II, below) . 17. Unavoidable Environmental Effects of Proiect . The EIR identifies certain significant environmental effects which would result from the Project even with the implementation of all mitigation measures identified in the EIR. Specifically, the Project would: (1) Contribute incrementally to the need for expansion of the Pacheco Sewage Treatment Plant and for future upgrading of local school facilities . (2) Contribute to cumulative traffic impacts, which would result in the degradation of Levels of Service in the Project area. 25 y bt r (3) Accommodate cumulative traffic which will require major transportation improvements that would expand roadway and freeway capacity in the San Ramon Valley. (4) During construction, increase noise at nearby residential areas temporarily to unacceptable levels . (a) Findings . The Board finds that these impacts have been analyzed separately and have been discussed in detail above. To the extent such impacts remain unmitigated, the Board finds such impacts are acceptable in light of the overriding social, economic and other considerations set forth in Section III , below. Such overriding considerations make infeasible the implementation of the Project alternatives described in the EIR (see Section II, below) . II . PROJECT ALTERNATIVES. 1. No Proiect Alternative. This alternative would leave the Project site in its current state, with the option for development under the existing General Plan for High Density, Single-Family Residential . (a) Facts . The Staff Report indicates that this site is one of the last conveniently located parcels where housing can be placed close to jobs without total reliance on automobiles or transit systems . The Staff Report identifies a need for housing nearby to provide a place for employees to live in close proximity to job opportunities. The EIR indicates that the Project site is not suitable for grazing or intense agricultural use. 26 Y (b) Findings . The Board finds that the No Project Alternative is infeasible for the following reasons : (1) mitigation measures incorporated into the Project, or imposed as conditions of approval of the Project, have substantially mitigated the environmental effects of the Project , thereby diminishing or obviating the perceived mitigative benefits of adopting the No Project alternative; (2) job opportunities would be lost; (3) housing opportunities would be lost; (4) the loss of sales tag revenue would incrementally increase the cost of County services; and (5) the social, economic and other benefits derived from the Project discussed in Section III, below, would not be obtained. 2 . Single-family, High-Density Residential Alternative. This alternative would permit the development of between 220 and 384 units on the Project site. (a) Facts . Although this alternative would place fewer demands on police and fire services and would generate less water usage and waste water and solid waste, the number of students would be increased. This alternative would add fewer dwelling units to the San Ramon Valley Area housing stock than would be provided by the Project. Virtually no long-term employment opportunities would be generated. 27 ' r (b) Findings. The Board finds that this alternative is infeasible for the following reasons: (1) mitigation measures incorporated into the Project, or imposed as conditions of approval of the Project, have substantially mitigated the environmental effects of the Project, thereby diminishing or obviating the perceived mitigative benefits of adopting this Project alternative; (2) job opportunities would be lost; (3) housing opportunities would be lost; (4) the needed library and child care site and facilities are not included in this alternative; (5) the opportunity to provide a mixed-use development with the resulting reduction in off-site transportation needs would be lost; (6) the sales tax revenues generated by the retail/commercial portion of the Project would be lost; (7) the retail and commercial services offered by the Project would be lost; and (8) the opportunity to provide a transition from single-family development south of the Project site to the office development located at Bishop Ranch would be lost. 3 . Medium-Density, Multiple-Family Residential Alternative. This alternative would devote the entire Project 28 ' Y site to medium-density, multiple-family residential units, resulting in approximately 1, 155 units of housing. (a) Facts . This project would increase slightly the demand for water and the generation of waste water and solid waste above that required for the Project . In addition, approximately 30% more students would be added to the local school district . Virtually no long-term employment opportunities would be generated. (b) Findings . The Board finds that this alternative is infeasible for the following reasons : (1) the mitigation measures incorporated into the Project, or imposed as conditions of approval of the Project, have substantially mitigated the environmental effects of the Project, thereby diminishing or obviating the perceived mitigative benefits of adopting this Project alternative; (2) the needed library and child care site and facilities are not included in this alternative; (3) sales tax revenues generated by the retail/commercial portion of the Project would be lost; (4) opportunities to provide a transition from single-family residential to office development would be lost; (5) the retail and commercial services offered by the Project would be lost; 29 (6) the opportunity to provide a mixed-use development with the resulting reduction in off-site transportation needs would be lost; and (7) employment opportunities of the type provided by the Project would be lost . III . STATEMENT OF OVERRIDING CONSIDERATIONS The Board finds that the mitigation measures or project alternatives necessary to further mitigate or avoid the significant environmental effects identified in the EIR are infeasible. Such measures and alternatives would impose limitations and restrictions on the development of the Project which would prohibit attaining the specific social, economic and other benefits of the Project which the Board finds outweigh these unavoidable or unmitigated impacts , and which justify approval of the Project notwithstanding the inability to completely mitigate such impacts . Specifically, the Board finds that the following social, economic and other considerations warrant approval of the Project despite the foregoing unavoidable or unmitigated adverse effects : The Project provides the San Ramon Valley area with a day care center and a library site. The EIR identifies the need for a library site in the Project vicinity. In addition, the proximity of a child care center to the proposed and existing office developments adjacent to the Project provides a desirable opportunity to place such facilities close to centers 30 of employment, thereby reducing traffic impacts in other portions of the San Ramon Valley Area. The combined commercial and residential nature of the Project provides a desirable opportunity to provide commercial services near proposed residential development, and provides housing near existing and future office development. In addition, the Project provides compatibility with adjoining office and residential developments; commercial services for which there is a demonstrated need; increased commercial employment opportunities in the San Ramon Valley area in a location convenient to available housing; transition from lower-density housing to office/commercial uses thereby protecting existing residential areas from intrusion of incompatible land uses; various open space and recreational amenities including the dedicated trail along the Southern Pacific right-of-way; a high-quality development which promises sustained economic viability; street and highway improvements necessary to accommodate future cumulative traffic beyond that created by the Project; and increased sales tax revenues . 31