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HomeMy WebLinkAboutMINUTES - 07171984 - 2.2 n I A� IN THE BOARD OF SUPERVISORS OF CONTRA COSTA COUNTY, CALIFORNIA CANYON LAKES: Setting forth Supplemental ) Responses and Findings to the Final EIR; ) Certifying the Final EIR; Stating ) Overriding Considerations; Ordering ) Cancellation of Land Conservation ) Resolution # 84/ 406 Contracts 20-75 (1945 RZ) and ) 21-75 (1944 RZ) ; Approving Preliminary ) July 17, 1984 Development Plan (2571-RZ) and Final ) Development Plan (3041-83) for ) development of the subject property ) under a Planned District. ) WHEREAS, on July 5, 1984, the Board of Supervisors received a memo from the Director of Planning transmitting the following: 1. The Canyon Lakes Draft Environmental Impact Report dated April 1984; 2. The Environmental Impact Report Responses to Comments, dated June 1984, which includes written comments received for the Draft EIR, summaries of oral comments to the Draft EIR, a list of commentators and Response to Comments; 3. A report from the Director of Planning analyzing the requested can- cellation of Land Conservation Contracts 20-75 and 21-75 which apply to the sub- ject property; 4. Staff's Canyon Lakes Report, including recommended conditions of appro- val, dated June 6, 1984 revised June 20, 1984; 5. Staff's Canyon Lakes Supplemental Report dated June 20, 1984; 6. Planning Commission's Revisions to recommended conditions of approval identified as Exhibit A of the Planning Directors' July 5, 1984 letter to the Board of Supervisors; 7. SRVAPC Resolution No. 35-1984 (SR) certifying the Canyon Lakes Final EIR; and S. SRVAPC Resolution No. 34-1984 (SR) approving Rezoning 2571-RZ and Development Plan 3041-83. WHEREAS, after notice lawfully given for cancellation of Land Conservation Contracts, Rezoning and Final Development Plan, public hearings on each item were held July 10, 1984 at 2:30 p.m. in the Board of Supervisors chambers in Martinez, California; WHEREAS, the Board of Supervisors has considered the recommendations of Staff, the action of the SRVAPC and the testimony and documents referenced here and during the July 10, 1984 public hearing; 1 0.0 0.0 9 3 r..j NOW THEREFORE, THE BOARD OF SUPERVISORS HEREBY RESOLVES, FINDS, CERTIFIES AND ORDERS AS FOLLOWS: 1. EIR: The Canyon Lakes Final EIR is certified as being prepared pur- suant to CEQA and the State guidelines, with the inclusion of this resolution, all materials transmitted to the Board by staff on July 5, 1984 and with the attached findings, further responses and statement of overriding considerations (as set forth in Exhibits A, B and C, incorporated herein by reference) and which findings responses and statements of overriding considerations have been considered and are hereby adopted, made and found by the Board; 2. Land Conservation Contract Cancellation: The parcels of land covered by Land Conservation Contracts 20-75 and 21-75 were impacted by urban develop- ment more rapidly than anticipated, and these agreements now stand in the way of orderly community development serving public housing and transportation needs as set forth in the applicable County General Plan and therefore, Land Conservation Contracts 20-75 and 21-75 are hereby cancelled upon the specific findings con- tained in Exhibit D attached hereto (which is incorporated herein by reference) and the Clerk of the Board shall record in the office of the County Recorder a certificate of tentative cancellation and shall implement an unconditional can- cellation if the final cancellation under Government Code Section 51282.1 is ineffective for any reason; 3. Canyon Lakes Project: Preliminary Development Plan 2571-RZ and Final Development Plan 3041-83 are hereby approved and tentative map 6384 is hereby ratified each with conditions and as recommended by the San Ramon Valley Area Planning Commission on June 20, 1984 upon the following additional findings: a. The applicant proposed to start construction during 1984 which is within two and one-half year period specified; b. That the Preliminary Development Plan is consistent with and will implement the the County General Plan; C. The project will constitute a residential environment of sustained desirability and stability and will be in harmony with the character of the surrounding neighborhoods and community;. d. The development of the harmonious integrated Canyon Lakes plan justifies the exceptions from the normal application of the zoning ordinances identified in the project application and conditions of approval, including the payment of in-lieu park fees at the time of building permit issuance instead of at the time of Final Map recordation, as otherwise would be required by the Parkland Dedication Ordinance; e. The property is affected by special circumstances and conditions, consisting of rolling hillside topography, on which the project design can be enhanced by development of the site as a Planned Unit Development incorporating clustered housing, maximization of open space areas, common use off-street trail systems, integrated street design, and privately maintained streets; f. Granting of certain requested exceptions, as set forth in con- ditions for tentative map approval, is essential to efficient development of the 2 000091: property as a Planned Unit Development incorporating clustered housing and pri- vate streets, and therefore the exceptions are necessary for the preservation and enjoyment of the applicant's right to develop the property in accordance with the P-1, Planned Unit District; g. Granting of the exceptions will not be materially detrimental to the public welfare or injurious to other property in the territory in which Canyon Lakes is situated; h. 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 has been considered. Consideration has included examination of the Canyon Lakes project's potential to increase the stock of affordable housing available to the employees of nearby employment centers including the Bishop Ranch Business Park. Canyon Lakes will improve the overall jobs/housing balance within the region. The commission has considered the balance of regional housing needs against the public service needs of county residents as well as against the avialable fiscal and environmental resources, as these needs and resources have been identified-within the Canyon Lakes EIR and further iden- tified within the approval process for the Canyon Lakes project; 1. The Canyon Lakes subdivision has been designed to the extent feasible for future passive or natural heating or cooling opportunities. Lot sizes and lot configurations have been designed to allow for east/west align- ment of structures, southern exposure of structures and advantageous exposure of structures to shade and breezes, to the extent feasible considering the com- bination of: the site's rolling topography; the need for adequate street access, drainage and sewerage; the need to maximize advantageous exposure to project recreation facilities which include lakes, streams, golf- courses and open space and; the need to preserve project density; and j. As indicated in the legend of the applicant's plans P-1, P-2 and P-6, condominium/rental is the proposed land use for parcels J, L, O, Q, S, AA, MM and 00 as those parcels are identified on the tentative Map 6384, plan P-7. Tentative Map 6384 plan P-7 shows the number of proposed units for each of the condominium parcels, and as well for each of the condominium parcels, EE, GG, II and JJ. Accordingly, these are condominium projects and no further tentative map approval shall be required for filing condominium final map(s) for parcels J, L, O, S, Q, AA, EE, GG, II, JJ, MM and 00. 3 000090 u 4. The Director of Planning and County Counsel are directed forthwith to prepare and post a notice of determination and to distribute copies of the Final EIR in the. customary manner. PASSED AND ADOPTED this 17th day of July, 1984 by the following vote: Ayes: Supervisors Powers, Fanden, Schroder and Torlakson Noes: None Absent: Supervisor McPeak I hereby aw"that this Is a true and M IsotQM of an ec#on taken wW entered on Wo 1Mn40ft of Ift dowd of Supervisors on *49 data#hewn. ATTESTED: J.R. OLSS , COU TY CLERK and ox officio Cie.*of Ow Board B,► ___.�.. .ceouty cc: Director of Planning County Counsel. Public Works Director Daniel Van Voorhis Page & Addison, Attorneys 4 000000 r EXHIBIT A SUPPLEMENTAL FINDINGS RELATING TO THE DEIR MITIGATION MEASURES, PROJECT ALTERNATIVES AND SIGNIFICANT IRREVERSIBLE ENVIRONMENTAL CHANGES EIR MITIGATION MEASURES The following consists of a listing of the mitigation measures contained within the DEIR, and a finding made for each mitigation measure. As used below, "RZ" refers to conditions for approval of Preliminary Development Plan #2571-RZ and Final Development Plan 3041-83. The Board of Supervisors concurs with the eva- luation of the DEIR measures set forth in the applicant's comments to the DEIR except as noted. 1. Mitigation of Williamson Act cancellation: "None available to mitigate this impact." Finding: It is infeasible, due to the scope of the proposed project and other social and economic considerations to take any action other than to consider cancellation or denial of the petitions to cancel the Williamson Act contracts. A Statement of Overriding Considerations has been adopted. LAFCO 2. Mitigation: Annex the site to Contra Costa Sanitary District. Finding: Annexation is required by RZ condition #30. 3. Mitigation: Annex the site to County Service Area. R-7. Finding: Annexation to R-7 or another appropriate district is required by RZ condition #29. 4. Mitigation: Annex the site to an appropriate county service area for street lighting. Finding: Annexation is required by RZ condition #31. SCHOOLS 3. Mitigation: Voluntarily dedicate a ten-acre elementary school site or create a special financing mechanism (e.g. Community Services District). Finding: RZ condition #27 requires the applicant to provide the District a 10-year option to purchase a 10-acre site for only the cost of grading, with an opportunity to finance the grading cost out of future fees. The proposal Is fair. The purchase price is a fraction of the value of the land and the option and payment arrangement Is essentially. a "voluntary dedication." -1- 0.0009 6. Mitigation: Apply the County's School Facilities Dedication Ordinance for interim school facilities. (This would not provide for support facilities such as laboratories or gymnasia.) Finding: RZ condition $27 requires compliance with the County's School Facilities Dedication Ordinance, for provision of interim school facilities. The primary obligation to finalize permanent school facilities lies with the State of California and the State should do so. If the State cannot fund schools, the Board of Supervisors would need to consider a moratorium. A Statement of Overriding Considerations has been adopted. 7. Mitigation: Require compliance with EBMUD's water conservation guidelines (after they are approved by EBMUD). Finding: RZ condition #32 requires compliance with water conservation requirements as uniformly applied to all development projects. Suggestions for greater requirements should be directed to EBMUD. SEWER/WASTE WATER 9. Mitigation: Annex the site to the Central Contra Costa County Sanitary District. Finding: RZ condition #30 requires annexation. 9. Mitigation: Comply with all District policies on service to the site and to individual units. Finding: RZ condition #33 requires compliance with all uniformly applied requirements of the District. POLICE SERVICES 10. Mitigation: Participate with other developers in the area in the dedication and construction of a protective services facility. Finding: RZ condition #28 requires future examination of the feasibility of designating a law enforcement site within Canyon Lakes Area H. It is infeasible to require Canyon Lakes to participate In a non existent program for dedicating and improving a protective services facility. A Statment of Overriding Considerations has been adopted for any unmitigated effects asso- ciated with not requiring such participation. 11. Mitigation: Include defensible space concepts In the project design to the extent practicable, Including: Designing home entry ways to be visible from the street; Providing house numbers which are visible from the street both day and night; Ensuring that movable portions of sliding glass doors are mounted on the Inside track; -2- 000U Providing deadbolt locks on all exterior doors and locks on all win- dows. Finding: RZ condition #34 requires consideration of such defensible space concepts. 12. Mitigation: Design the proposed pathway in Watson Canyon to maximize its use. Finding: The 12-foot wide pathway has been designed by the applicant to be available for an unrestricted variety of uses, including walking, jogging, cycling, and golfing for all residents of Canyon Lakes. The Watson Canyon Trail provides the most direct circulation link between the northern and southern ends of the project, while alternative use of streets requires tra- veling a much more circuitous route. Maximum use of the trail is therefore encouraged by availability to a variety of users and by virtue of the trail furnishing the most direct linkage between the northern and southern ends of the project. FIRE SERVICES 13. Mitigation: Provide .an adequate public water supply for firefighting pur- poses. Finding: RZ condition #38 requires the water system to be adequate for f iref ighting. 14. Mitigation: Construct access roads and drives for all-weather use and design them to provide rapid access for firefighting equipment. Finding: RZ condition #38 requires all weather surfaces for roads during the rainy season. Rapid access is possible during dry periods without pro- vision of all-weather surfacing. 15. Mitigation: Provide a weed abatement program. Finding: RZ condition #39 requires a weed abatement program. 16. Mitigation: Construct exterior walls and roofs of county fire resistant materials. Finding: RZ condition #37 requires compliance with the UBC and other building and fire codes. These codes establish County standards for fire resistant exterior materials. To hold Canyon Lakes to a higher standard would increase housings costs and create a competitive disadvantage. Suggested amendments should be directed to the agency responsible for the UBC. 17. Mitigation: Install supervised sprinkler systems in all non-residential structures (hotel, clubhouse, etc.) Finding: RZ condition #37 requires compliance with the UBC and other codes. These codes specify County standards for sprinkler systems. -3- 000099 i 18. Mitigation: Install spark arrestors in all chimneys serving solid or liquid burning heating and cooking units. Finding: RZ condition $37 requires compliance with the UBC and other codes. These codes establish County standards for spark arrestors. 19. Mitigation: Provide access for firegfighting units to the open space areas. Finding: RZ condition X36 requires provision of access to open space areas. LIBRARY SERVICE 20. Mitigation: Establish an additional library facility in the San Ramon/Danville area. Consider establishing a development fee, similar to those currently required for school and park services for library services. Finding: It is infeasible due to social, economic and other considerations, to establish an additional library, and to participate in a non-existent program of development fees, as a part of the design or approval of a single development project such as Canyon Lakes. A Statement of Overriding Considerations has been adopted for any unmitigated effects associated with not requiring Canyon Lakes to establish a library and not requiring par- ticipation in a non-existent program of development fees. RZ condition X28 requires that the feasibility of providing a site with area "H" be examined prior to final approval of plans for that area. PARKS AND RECREATION 21. Mitigation: Annex the site to County service area R7. Finding: RZ condition #29 requires annexation to the appropriate recreation district. 22. Mitigation: Utilize the park dedication fees derived from the project to develop area park sites, e.g. at the Vista Ramon Park. Finding: This suggestion would limit flexibility. Further, _it is infeasible due to economic, social and other considerations, to designate Canyon Lakes park dedication fees for development of specific parks. A Statement of Overriding Considerations has been adopted. 23. Mitigation: Redesign the trail system to connect to compatible systems on adjacent properties. Finding: There is no trail system on adjacent properties, other than sidewalks within street rights-of-way. RZ condition #12 requires the path- way to provide adequate access to sidewalks at the perimeter of the project. 24. Mitigation: Coordinate the trail system with the East Bay Regional Park District. Finding: The East Bay Regional Park District has defined no trail system adjacent to the site and the parcel of land which may be of Interest to the District has already been offered. -4- 000100 25. Mitigation: Deed the development rights of all recreational facilities, Including the golf course, to the County. Finding: RZ condition #16 so requires. 26. Mitigation: Study the recreational potential of a portion of the open space - lands at the north end of the site being developed for soccer or ball fields. Finding: RZ condition #17 requires a feasibility study of the area and dedication of the land as directed by the Planning Commission. 27. Mitigation: Deed the development rights to open space areas of the County. Finding: RZ condition #16 so requires. 28. Mitigation: Consider gift-deeding those portions of the open space land which would help create a new regional parkland in the area to the East Bay Regional Park District. Finding: RZ condition #27 requires an offer of dedication of 75± acres to the EBRPD. SOILS AND GEOLOGY General Finding: A series of potential mitigation measures (detailed below) were inventoried in a soils report prepared by Engeo Inc. The Engeo report includes the measures as general recommendations which may be appropriate for site specific conditions. Since conditions vary from area to area within the 1,050-acre project, all measures are not warranted at each building site. Appropriate measures must be developed for each site, dependent upon specific soils conditions at the site under direction of a licensed engineer. To imple- ment the mitigation measures, RZ condition #43 requires that these "Engeo" mesures be used where determined appropriate, pursuant to County code require- ments, and pursuant to the recommendations of geotechnical consultants. 29. Mitigation: Provide structure foundations piers-and-grade beams or a rigid structural concrete mat, in either case accompanied by replacement of five feet of the rock at a cut/fill transition to counteract differential soil and rock expansion. Provide special treatment for roadways and slabs-on- grade for garages. Could include lime-treated soil to reduce the clay's expansion potential, or thick aggregate layers below the structural materials. Limiting the difference In fill thickness below structures to about 10 feet to control differential fill settlement. Finding: Structural foundations and special treatment for slabs-on-grade are required where appropriate by RZ condition #43A and 43B. 30. Mitigation: Provide drainage Installations to control and lead roof runoff away from foundations at all times, to assure pad drainage to the street, and not allow overbank flows. Concrete-lined drainage ditches on cuts at the 3:1 and 4:1 slopes may be eliminated provided the cuts are promptly -5- revegated. Provide special ditches, benches, or both for fill slopes more than 30 feet high. Finding: Drainage Installation, special ditches and benches are required by County codes and RZ condition 43C. 31. Mitigation: Prevent overbank erosion from drainage of the building pla- teaus onto graded or natural slopes. Grade the cut or compact fill slope at the edge of the pad to drain at 10 percent for a distance of about 10 feet f rom the edge. Finding: RZ condition #48 and 87 requires preparation of a program to minimize erosion. 32. Mitigation: Grade slopes to 3:1 to 4:1 slope ratios to mitigate most cut clope stability problems. Provide additional study for the highest cuts and those that are close to landslides before grading. Inspect all cuts, level and sloped, by an engineering geologist. Prepare geologic maps to present individual foundation recommendations and make extrapolation of geologic information possible as grading progresses. Finding: The project as proposed incorporates use of 3:1 and 4:1 slopes. Study of cuts and inspection of cuts is required by RZ condition 043 which requires all grading and soils work to be performed under the supervision of the applicant's geotechnical consultant. As-built geologic maps are required by RZ condition #45. 33. Mitigation: Evaluate treatment of unbuttressed fills, particularly those with evaluation of landslides in their foundation areas. In some cases fill's foundations should be investigated carefully for subsurface foun- dation conditions and the level and pressure head in any groundwater should be determined before grading permits are issued. Finding: RZ condition #43 requires all grading and soils work to be per- formed under the supervision of the applicant's geotechnical consultant. Such supervision typically includes investigation of subsurface fill's foun- dation conditions where appropriate. 34. Mitigation: Intercept subsurface water in fill foundation areas, including many fills in small drainages, and lead to surface drainage facilities. In a few places springs also need to be intercepted. Provide frequent eva- luation by the soil engineer and engineering geologist as grading progresses. Finding: RZ condition #43D requires interception of subsurface waters where appropriate. 35. Mitigation: Provide for maintenance of facilities that carry water underground and provide easy access to them is necessary. Facilities installed for stabilization throughout the development should be located by the soil engineers, surveyed by the civil engineer, and placed in private storm drainage easements based on as-built reports and maps. -6- 0DO .� 1 3 1 Finding: RZ condition #43E requires access for maintenance of underground storm drainage facilities where appropriate. RZ condition #43F requires mapping of subsurface facilities where appropriate. 36. Mitigation: Revegetate graded cut and fill slopes as soon as possible, and always before rainy season. Hydro-mulch large graded expanses. Provide stabilizing forestation with carefully selected water-tapping species on some marginal slopes. County standards provide retention basins and drainage retardants for leveller slopes. Finding: RZ condition #47 requires revegetation. RZ conditions #48 and #87 require development of an erosion protection plan, which typically include . provisions for retention basins and drainage retardants. 37. Mitigation: Provide setbacks of 50-feet (100-foot wide) from the two inac- tive faults. Verify the fault's widths. Depict a building setback zone on final subdivision maps rather than a fault setback, If the fault is not active. Finding: A setback is proposed in project plans as recommended by appli- cant's experts and is required by RZ condition #46. 38. Mitigation: Apply building code requirements to mitigate the effects of groundshaking on structures. Finding: RZ condition #49 requires application of the building code and further requirements should arise from amendment to the UBC. 39. Mitigation: Actual peak acceleration could be smaller or larger, depending on many factors that the design earthquake for a magnitude 6.5 earthquake on the nearest known active fault, the Calaveras. The probability of a nearby earthquake causing higher peak acceleration and apply- result to the most critical fills. Finding: Design of fills in response to earthquake shaking will be per- formed upon recommendation of geotechnical consultants and in accordance with County standards and code requirements. HYDROLOGY/NATER QUALITY 40. Mitigation: Design the detention basins to accomodate the runoff produced by a storm with a 100 year recurrence interval for ultimate development of the watershed. They must also be designed to limit discharge flow quan- tities to less or equal to that produced currently by the 25 year storm. Since several portions of the project will drain, without detention, directly into the off-site drainage system, other upstream areas should release less runoff than that currently produced by the 25 year storm. Finding: RZ condition #85 requires a principal spillway which can pass on no more discharge than poroduced by a 25-year storm or a 10-year storm, as determined by the size of the upstream watershed. RZ conditions #83 and 84 require that basins be designed with emergency spillways which can discharge -7 �' n J A3 the runoff from a storm with a 100-year recurrence interval without damage to the structure. 41. Mitigation: Provide a program of dredging in the plans prior to project approval to prevent the lake from filling in, and losing its storm-water detention capacity, if the lake is to be used for sediment control. Finding: RZ conditions #'s 81, 82, 87 and 88 provide for a program to pre- vent the lake from filling in. 42. Mitigation: Require the developer to perform grading operations during the dry weather season to stabilize slopes when grading Is complete, and to pro- vide temporary erosion control during construction operations. Finding: RZ conditions #'s 41, 47, and 48 require grading during dry periods, revegetation of slopes and erosion control. 43. Mitigation: Require the developer to retain a professional lake management service to help mitigate the biotic problems of retaining runoff in small, perennial waterbodies, including the ponds as well as the lake. Require the siltation control plan and lake management plan prior to approval of this development. Finding: RZ condition #88 requires retention of a lake management service and preparation of a siltation control and lake management plan. 44. Mitigation: Require the project to maintain all drainage facilities, including lake, ponds, streams, and culverts off-road since these facilities are largely of aesthetic and other benefit to these parties, and their con- tinued operation Is vitally important to downstream areas. Finding: RZ condition #81 requires the applicant to provide for main- tenance. BIOLOGY 45. Mitigation: Plant drought resistant vegetation for landscaping. Exposed cut slopes should be revegetated with . plant species native to the Bay Region. Finding: RZ condition #l0A provides for use of drought tolerant and native species. 46. Mitigation: Replace the riparian stream habitats with native riparian vege- tation approved by the California Department of Fish and Game. Maintenance (clearing of debris, etc.) along the new creek areas should be as minimal as possible, but consistent with public safety and security along the pathway. Finding: RZ condition #IOB requires identification of riparian vegetation to be used after consultation with the Department of Fish and Game. 47. Mitigation: Construct the proposed artificial lake and storm drain (culvert) system In accordance with design criteria provided by the Contra -8- 000104. i Costa Mosquito Abatement District. These could Include circulation and filtration of the large lake and modification of the new stream beds so that total flushing will occur and no backwaters will form in which mosquitoes could reproduce. Mosquito-eating fish could be introduced. A professional lake management company should be retained to control aquatic weed and algal bloom problems which may occur. Finding: RZ condition #88 requires retention of a lake management service to control biotic problems in the lakes. Specific mitigation measures for contol of mosquitoes will be developed within the lake management plan. 48. Mitigation: Submit a revised landscaping plan to the Planning Department for approval prior to the first subdivision. That plan should stress reve- getation with native species, particularly species native to Contra Costa County. Aesthetic values can be attained along with the low water consump- tion, erosion control, and re-establishment of wildlife values along natural drainages. Finding: RZ condition #10 requires submittal of landscaping plans. Condition #l0A requires use of native species acceptable to the Zoning Administrator. 49. Mitigation: File an erosion and sediment control plan which will include a revegetation plan featuring native drought-resistant plant species. Finding: RZ conditions #'s 10A, 48 and 87 provide for drought tolerant vegetation and control of erosion and sediment. VISUAL QUALITY 50. Mitigation: Replant graded areas to remain undeveloped with native trees and other plant species. Presently there are virtually no trees along the eastern slopes of the valley, which contrasts dramatically with the more lush western slopes. Finding: RZ condition #!OA provides for use of native trees and other spe- cies. 31. Mitigation: Use roof and wall materials that could blend in as much as possible with the surroundings. Finding: RZ condition #11 provides for Zoning Administrator review of colors and materials. 32. Mitigation: Avoid night lighting to the greatest practical extent. Night lighting should be below eye level, no on overhead standards. Finding: RZ condition #12F requires submittal of a unified lighting plan emphasizing use of low intensity lighting. 53. Mitigation: Submit a revised landscaping plan for County review and appro val. Said plan shall provide for preceding landscaping mitigations and for replacing proposed elm tree plantings- with other acceptable tree plantings. -9- 000- 5 Finding: RZ condition #10 requires submittal of landscape plans and provi- des for elimination of elm trees. 34. Mitigation: Submit a revised grading plan for County review and approval. Said plan shall provide for preservation of the screening functionprovided by the knoll located on the western side of Area H (clubhouse/hotel area . Finding: RZ condition #3 requires submittal of applications for Preliminary Development Plan, Final Development Plan and Tentative Subdivision Map for Area H. Preservation of the screening function of the knoll by preserving the knoll Is infeasible due to economic, social and other considerations. A Statement of Overriding Considerations has been adopted for any unmitigated effects associated with not preesrving the knoll. AIR QUALITY 53. Mitigation: Sprinkle unpaved construction areas with water at least twice a day during construction to reduce dust generation, and revegetate graded or vacant land as soon as construction Is complete. Immediately revegetate graded or vacant land with a ground cover if building construction Is post- poned. Suspend grading operations when winds exceed 12 mph, to reduce wind erosion and dust emissions. Finding: RZ condition #48 requires preparation of a program to minimize generation of dust. Such programs are typically required by the County and typically include sprinkling and revegetation. It is infeasible due to eco- nomic, social and other considerations, to suspend operations when winds exceed 12 mph. A Statement of Overriding Considerations has been adopted for any unmitigated effects. 56. Mitigation: Phase grading and site development to coincide with the building construction schedule, preparing only those portions of the site as needed to meet their phasing schedule. _ Finding: RZ condition #48 requires preparation of a program to minimize dust. Grading is proposed by the applicant to occur in 2-3 major phases in which excavated material can be immediately placed into proposed fill area. The proposed phasing of grading will minimize, to the extent feasible, the time period during which adjoining residents will be exposed to the noise of grading. 37. Mitigation measures for reducing congestion and delays for cumulative traf- fic in the San Ramon Valley area would also reduce emissions of vehicular air pollutants. (See Traffice Mitigation Measures). Finding: RZ conditions 30 through 79 provide for mitigation of traffic Impacts, thus reducing emissions. 38. Mitigation: Design project with minimal paved surfaces, substituting gra- vel, brick, bark, and other materials as appropriate on surfaces not exposed to frequent vehicle travel. This would reduce hyddrocarbon emissions from paving operations during construction. -10- 0001_P Finding: As proposed, the project Includes a trail system which Is the pri- mary paved surface which Is not exposed to. frequent vehicle travel. The trail is proposed to be constructed of concrete. Other walkways within the project may be constructed of asphalt, and may therefore emit hydrocarbons during construction. The minimal reduction of hydrocarbon emissions accomplished by reducing paving operations for walkways is insignificant and acceptable due to the fact that any minimal reduction in emissions may be exceeded by increased vehicular hydrocarbon emissions related to increased maintenance activity for non-asphaltic surfaces. TRAFFIC General Findings: (A) RZ conditions #'s 50 through 79 establish a program for implementation of the traffic mitigation measures. The program requires on-site improvement to be built simultaneously with project construction. The program provides funding for construction of off-site improvements as warranted by traffic conditions. Off-site improvements will be constructed by the County using monies generated by this and other development in the vicinity under a road impact fee of $1,000 per unit (RZ conditions #72 and 74). The amount of the fee was determined by estimating the total cost of Canyon Lakes' share of off-site improvements and dividing the total cost by Canyon Lakes' 3,090 units. (B) The program provides flexibility, including . Incentives for the developer to participate in extending Crow Canyon Road from Canyon Lakes' easterly boundary to Tassajara Road. Incentives are provided in two options to the basic program of paying $1,000 per unit to the County. The first option allows that if Canyon Lakes funds the extension, then the County will establish a fee benefit area for other benefited land owners to reimburse Canyon Lakes' costs associated with constructing the road (RZ condition #75). If this option is chosen, Canyon Lakes will incur substantial additional financing costs for "front-ending" the extension expense, while Canyon Lakes will not incur these financing costs If the option is not taken, therefore, to partially compensate Canyon Lakes for the financing costs and thereby provide an incentive for constructing the extension, RZ condition #75 allows a reduction of per unit fees from $1,000 to $250. The second option (RZ condition #78) provides for establishment of an assessment district to fund extension of Crow Canyon Road In exchange for a similar fee reduction. In both options, all traffic Improvements needed (on and off site) for Canyon Lakes will be funded and installed. (C) Irrespective of the option utilized, Canyon Lakes Is required to contribute sufficient monies to cover the cost of constructing the traffic improvements which are necessary to mitigate Canyon Lakes' fair share of traffic impacts and the following mitigation measures are accommodated RZ conditions #'s 50 through 79: 59. Mitigation: Install additional signal arms and head at those Intersections where additional legs are planned due to the extension of an existing road. -11- 000107 This includes the intersections of Crow Canyon Road and Crow Canyon Place, Norris Canyon Road and Alcosta Boulevard, Bollinger Canyon Road and Chevron Entrance/Connector, and Bollinger Canyon Road and Alcosta Boulevard. 60. Mitigation: Install signals at the existing intersections of Crow Canyon Road and El Captan Drive, Alcosta Boulevard and Montevideo Drive, Alcosta Boulevard and Village Parkway, and Alcosta Boulevard and the I-680 ramps (2). Further signals may be warranted at intersections along Alcosta Boulevard south of Bollinger Canyon Road; however, these Intersections were not included in this analysis. 61. Mitigation: Install signals at the planned/proposed intersections of Bollinger Canyon Road and the I-680 ramps (2), and Alcosta Boulevard and site entrances south of Bollinger Canyon Road (2). Further, a pedestrian- activated signal will be warranted to cross Alcosta Boulevard south of Norris Canyon Road. 62. Mitigation: Install signals at the site entrance along Crow Canyon Road if Crow Canyon Road is extended east of the Canyon Lakes project site as it is generally planned. At this time, it would be desirable to provide conduit and right-of-way for signals at these intersections in the event that Crow Canyon Road is extended. 63. Mitigation: All of the signals installed should be compatible with the existing signals in the San Ramon area. This allows for signal coordination in the future. 64. Install turn lanes at the three intersections would operate at the unaccep- table level of service given the estimated traffic volumes. These Intersec- tions are Bollinger Canyon Road and Alcosta Boulevard (AM peak) , Bollinger Canyon Road and Chevron Entrance/Connector (PM peak), and Crow Canyon Road and Crow Canyon Place (PM peak). 65. Mitigation: Install additional left-turn lane (two total) on the south leg of the intersection of Bollinger Canyon Road and Alcosta Boulevard. This improvement provides a level of service "C" in the AM peak-hour and "A" in the PM peak-hour. 66. Mitigation: Install an additional left-turn lane of the south leg of the intersection of Bollinger Canyon Road and the Chevron Entrance/Connector. This improvement will provide a level of service "C" in the PM peak-hour. 67. Mitigation: A limited number of I-680 on and off-ramps will require two lanes to accommodate the ramp volume. This analysis is based on the ramp volume only and does not include merging with freeway or arterial traffic, storage requirements in the advent of ramp metering, or intersection opera- tions. 68. Mitigation: Install two lanes In the loop ramp that accommodates the move- ment of traffic from southbound I-680 to eastbound Crow Canyon Road. The northbound I-680 and southbound I-680 off-ramps to eastbound Bollinger Canyon Road will require two lanes each. Those ramps that provide access to -12- 000108 and from the area west of I-680 will require one lane each to accommodate the estimated ramp volumes. 69. Mitigation: At the Alcosta Boulevard interchange, one lane on each ramp will be adequate to accommodate the estimated ramp volumes. 70. Mitigation: Caltrans may install ramp metering to facilitate the through flow on the freeway as the freeway and ramps become congested. Should this occur, additional storage would be required on those ramps that are metered and on the adjacent arterials. 71. Mitigation: Install two lanes in the westbound direction between El Capitan and the westerly site entrance to acommodtae the double left turn at the site entrance. During the course of this analysis, it was determined that Crow Canyon Road within the Canyon Lakes project would require two lanes (one in each direction) to provide an acceptable level of service. 72. Mitigation: Install additional lanes in the event that Crow Canyon Road is extended east to Camino Tassajara. The likely ultimate width of Crow Canyon Road in the vicinity of the project site is six lanes (three In each direction). This width should be provided for with the necessary right-of- way. 73. Mitigation: Evaluate the need for devices for those intersections along Alcosta Boulevard not included in this analysis. 74. Mitigation: Install turn lanes at the Intersections of Bollinger Canyon Road and Alcosta Boulevard, Bollinger Canyon Road and Chevron/Connector, and Crow Canyon Road and Crow Canyon Place. 75. Mitigation: Provide further study of the ramps providing access between Bolling Canyon Road east of I-680 and I-680 south of .Bollinger Canyon Road (by Caltrans), taking into consideration the future I-680 projections in the vicinity of the Crow Canyon Road and Bollinger Canyon Road interchanges. 76. Mitigation: Provide a right-of-way to accommodate six through lanes on Crow Canyon Road within the Canyon Lakes project. Additional right-of-way will be required at the intersections to accommodate turning lanes. NOISE 77. Mitigation: Provide a noise study report as required by Title 25 of the California Administrative Code Noise Insulation Standards for multiple- family structures within the projected 60 DBA countour. A generalized acoustical study should be prepared by the applicant prior to the prepara- tion of the noise study required by Title 25. Finding: The County has determined that additional studies are not required by Title 25. The project must comply with all other requirements of Title 25. 78. Mitigation: Expand the landscaped arterial corridors between Crow Canyon Road and Alcosta Bolevard and proposed multiple family residential units to Include the outer limit of the 60 CNEL area. -13- 000 X09 Finding: Expansion of landscaped corridors to the outer limits of the 60 CNEL countour is unnecessary if the project is designed to include noise insulation pursuant to the requirements of Title 25. 79. Mitigation: Limit construction traffic on local roadways to weekday. and during the daytime (7:00 a.m. to 6:00 p.m.) hours. Finding: RZ condition X44 limits construction to daytime hours of 7:00 a.m. to 5:00 p.m. It is infeasible due to social, economic and other con- siderations to limit construction traffic to weekdays. A Statement of Overriding Considerations has been adopted for any unmitigated effects asso- ciated with permitting weekend construction traffic on public roads. 80. Mitigation: Muffle and maintain construction and transport equipment. Finding: RZ condition #24 requires muffling In accordance with state and federal standards. 81. Mitigation: Use of power construction equipment equipped with state-of-the- art noise shielding and muffling devices. Finding: These are not standard County requirements for construction acti- vities. Construction and transport equipment will be muffled in accordance with state and federal requirements. 82. Mitigation: Build an acoustical wall on the southern perimeter of the Vista San Ramon subdivision. Design should coordinate with that subdivision homeowners association. Finding: RZ condition X26 requires construction of an acoustical barrier. ENERGY 83. Mitigation: Apply current state requirements for construction. The current edition of the Uniform Building Code Includes a number of requirements for energy conservation, with emphasis on roof and wall Insulation. All new residential construction in the state is required to meet minimum energy conservation standards set forth in Title 24 of the California Administrative Code. Finding: RZ condition #12D requires compliance with the UBC and Title 24. 84. Mitigation: In addition to UBC and Title 24 requirements, the following mitigation measures should be considered. The applicant should commission the preparation of a set of project- specific, energy-conservation development standards subject to review by P G and E and approval by the County. These standards should be included as conditions of development approval and should be used as design-review cri- teria by the County prior to the Issuance of building permits. The measures listed below should be considered for inclusion in this set of standards: -14- 00011.0 a) The most cost-effective method of conserving on-site energy use is installation of building roof and wall insulation. Building design should include insulation measures which provide ratings which substan- tially exceed state requirements. b) Design structures with sufficient glazing on the south side of minimize solar heat gain and offset winter heat loss. C) Plan deciduous trees with appropriate canopy heights and other plantings along glazed, exposed building elevations to provide sun screening in the summer and directed filtered sun in the winter, par- ticularly along southerly and southwesterly exposures. d) Reduce the need for central air conditioning in the summer through passive measures, including: - adequate ventilation of living area. - attic ventilation. - shading of east, west, and south windows, and east and west walls (roof overhangs, arbors, awnings, and/or trees). e) Install solar water heating systems with all swimming pools. f) Provide for maximum use of natural light in building designs through optimum placement of window and skylights, and through provi- sion of light-colored ceiling and wall surfaces. g) Include plans for outdoor lighting consideration for an optimal balance between public safety and security requirements and energy con- servation. h) Install sodium-vapor lamps for all street, parking lot, and park lighting. Retain a lighting engineer to design all Interior and exterior lighting for maximum efficiency to reduce overall lighting requirements. These measures would reduce the electricity required for project lighting substantially. i) Offer options to homebuyers for active solar water and space heaters. The project site is well suited for solar applications, and this measure would substantially reduce the project's dependence on and use of natural gas. J) Design the project for natural gas ranges, furnaces, stoves, and clothes dryers, rather than electric ones. Where installed, electric appliances are necessary, they should be selected on the basis of energy efficiency. This measure would reduce unnecessary use of high- quality electrical energy for end uses that could be served by low- quality thermal energy. k) Use light-colored finish materials for roofs and exterior walls to reflect heat from structures, reducing cooling requirements. 00011. 1 Finding: The preceding mitigation measure has been considered and deter- mined infeasible due to social, economic and other considerations. A Statement of Overriding Consideration_ s has been adopted for any unmitigated effects associated with not requiring the applicant to commission new stan- dards. PROJECT ALTERNATIVES Finding: It is infeasible, due to social economic and other considerations, to adopt the Project Alternatives listed on pages 151 through 159 of the DEIR. Statements of overriding considerations have been adopted for each alternative and are incorporated herein by reference. SIGNIFICANT IRREVERSIBLE ENVIRONMENTAL CHANGES The following consists of a listing of the Significant Irreversible Environmental Changes and findings made for each change. 1. Change: "The development will require construction of one and possibly two major water tanks. Residents' wastewater would consume 296 of the existing capacity of the treatment plant which would In turn contribute to the need for the pending expansion of that plant's capacity." Finding: The construction of two major water tanks, and expansion of wastewater treatment plant capacity are within the responsibility and juris- diction of EBMUD and the Central Contra Costa Sanitary District. These agencies have policies and programs to provide capacity and to guard against growth inducement. 2. Change: "The school children from the project could require construction of a new elementary school and will intensify the need for a second inter- mediate school in the local planning area." Finding: Permanent school housing is the responsibility of the State of California. RZ condition X27 provides for acquisition of an elementary school site and payment of "bedroom taxes" for interim school facilities. It is infeasible, due to economic, social and other considerations, to require Canyon Lakes to provide for construction of all school facilities needed to serve Canyon Lakes students. A Statement of Overriding Considerations has been adopted. 3. Change: "The development would contribute to the major traffic load coming to bear on the local network of streets and arterial roads resulting from Industrial and residential growth. The traffic increase In unavoidable and will add to the need for major traffic improvementts. Developer "fair share" contributions will assist in construction of improvements. Findings: RZ conditions #50 through 79 have been required In the project to provide construction of onsite traffic Improvements and "fair share" contributions to the cost constructing off-site traffic improvements. -16- 0.00 ,119 16000, 1 ? 4. Change: "Development in the foothills would cause permanent degradation of existing views from the affected view shed. This impact has been mini- mized by conserving ridgelines, by tightly clustering housing and by proper siting. However, the scope of the project is such that the fundamental sense of urban extension onto the site cannot be avoided." Finding: RZ conditions #9 through 13 have been required in the project to provide for future review of building landscape design, with condition !OD specifically referencing additional efforts to further mitigate off-site visual impacts. The project proposal as approved subject to conditions will mitigate visual Impacts to the extent feasible, given development of the site in accordance with the General Plan. See Statement of Overriding Considerations. 5. Change: "About 1,050 acres of functioning grazing and hay producing land would be permanently lost, as would the site's open space value." Finding: As proposed, Canyon Lakes will include 600 acres of open space and recreation area. It is Infeasible due to social economic and other considerations to permanently preserve the 1,050 acre site for agricultural purposes. See Statement of Overriding Considerations. 6. Change: "Riparian habitats on site would be altered and lost to a degree." Finding: The project proposal incorporates plans for re-establishment of riparian habitats after site grading. However, the temporary loss of habi- tat prior to re-establishment, as well as any permanent alteration in habi- tat value are environmental effects which are infeasible to mitigate due to social economic and other considerations. See Statement of Overriding Considerations. -17- 0001 3 EXHIBIT B FURTHER RESPONSES AND FINDINGS RELATING TO COMMENTS TO DEIR The following responses and findings are made to and for the comments received upon the Canyon Lakes Draft EIR, as those comments are lited in pages 2 through 22 of the portion of the Final. EIR entitled "ENVIRONMENTAL IMPACT REPORT RESPONSES TO COMMENTS" dated June 1984. Each of the following findings is jointly cross-referenced, by comment and by finding number, to the previous listing of commentators and comment numbers. For each measure, comment or con- cern, see also Exhibit C which is incorporated herein by reference. NOTE: To repeat, finding numbers set forth below correspond to comment numbers previously assigned in the initial response to DEIR comments. Department of the Army, San Francisco District Corps of Engineers Finding 1: The comment asserts the possible jurisdiction of the Department and does not question the adequacy of the EIR, and does not iden- tify a signficant effect or a mitigation measure not included in the Draft EIR. Finding 2: The response, together with the remainder of the Final EIR, inclu- des a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environmental con- sequences. RZ conditions #80 through 91 have been required in the project to minimize and detain runoff. California Regional Water Quality Control Board - San Francisco Bay Region Finding 1: RZ condition #87 has been required in the project to insure preparation of an erosion and sediment control plan. Finding 2: The comment asserts jurisdiction and does not question the ade- quacy of the EIR, and does not identify a signficant effect or a mitigation measure not included in the Draft EIR. State of California Department of Conservation Finding 1: The response, together with the remainder of the Final EIR, Includes a sufficient . degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It is infeasible due to social, economic and other considerations, to dissaprove Canyon Lake in order to further mitigate the effects if any, upon agricultural use of the Shapell property to the east -1- A 0001. 1.4, beyond the buffers established under the general plan, the agreement with POS and 2218 RZ. A Statement of Overriding Considerations has been prepared for the direct and indirect impacts of cancellation. Finding 2: The comment does not question the adequacy of the EIR, and does not identify a signficant effect or a mitigation measure not included in the Draft EIR. State of California, Department of California Highway Patrol Finding 1: The comment does not question the adequacy of the EIR, and does not identify a signficant effect or a mitigation measure not included in the Draft EIR. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide the CHP and the County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environmental consequences. CHP personnel requirements are within the responsibility of the CHP and other public agencies and not of Contra Costa. The responsible agencies should adopt measures for personnel require- ments. Finding 3: Evaluation, implementation and enforcement of ramp metering systems is outside the responsibility and jurisdiction of Contra Costa County. ' If systems are installed by Caltrans, the respon- sible public agencies should provide enforcement requirements. Finding 4: CHP deployment patters and needs are outside the responsibility and jurisdiction of Contra Costa County. The CHP or other respon- sible public agency should adopt mitigation measures for CHP deployment patterns and needs. Finding 5: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ-' mental consequences and other agencies affected can and should adopt all measures to adjust to this project. State of California, Department of Transportation Finding 1 s The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #50 through 79 have been required in the project to mitigate traffic Impacts. -2- 000 15 . Finding 2: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. Regional information has been compiled in the form of the Tri- Valley Study which is being constantly supplemented by additional work. Irrespective of regional studies, the need for traffic diagrams in this EIR is greatly diminished by the fact that planning, funding and actual construction of improvements to I-680 interchanges, including Bollinger Canyon Road, Norris Canyon Road, Sycamore Valley Road and Crow Canyon Road is well under way. RZ conditions #72, 74, 75 and 78 have been required in the project to insure that Canyon Lakes makes a fair share contribution to the cost of mitigating the project's impact upon I-680 interchanges. RZ conditions X72, 73, 74, 75 and 78 have been required in the project to mitigate impacts upon I-680 interchanges. A full corridor study for I-680 is within the joint responsibility of CalTrans, MTC and Contra Costa County and is under way. Findings 3 & 4: The comment does not question the adequacy of the EIR, and does not identify a signficant effect or a mitigation measure not included in the Draft EIR. Metropolitan Transportation Commission Findings 1, 2 do 3: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. The comment does not identify a significant effect or a mitigation measure. See also Finding #2 to Department of Transportation comment. Findings 4, 5 do 6: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. The comment does not identify a significant effect or a mitigation measure. See also Finding #2 to Department of Transportation comment. Finding 7: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. -3- 0001-16 Bay Area Air Quality Management District Findings 1 do 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. The comment does not Identify a significant effect or a mitigation measure. The ABAG Environmental Management Plan contemplates population shifts/growth in the San Ramon area of which Canyon Lakes is part. The ABAG Environmental Management Plan does not include land use controls, but efforts to balance jobs/housing are encouraged. San Ramon Unified School District Findings 1, 2 do 3: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. RZ condition #27 has been required in the project to allow the District to secure an elementary school site. Finding 4: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. It is infeasible, due to social, economic and other considerations to require Canyon Lakes to provide a financial gift of the type agreed to by developers of land within the Sycamore Valley Plan area. A Statement of Overriding Considerations has been adopted in response to any unmitigated effect relating to Canyon Lakes not fully funding construction of new schools sufficient to accommo- date the number of students anticipated in Canyon Lakes. Alameda County Library System Finding: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. - It is infeasable, due to social, economic and other con- siderations, to require Canyon Lakes to establish a library or participate in a non-existent program for "developer fees". A Statement of Overriding Considerations' has been adopted in response to any unmitigated effect relating to Canyon Lakes not establishing a new library facility or not participating in a non- .existent program of developer fees. RZ condition #28 has been -4- 000117 I 7 required in the project to allow examination of the feasibility of designating a library site within Canyon Lakes Area H. San Ramon Chamber of Commerce Finding: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not Included in the Draft EIR. Bay Area Council Finding: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. San Ramon Homeowners Association Finding 1: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. Finding 3: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Canyon Lakes Project Team General: Except as noted, the Board of Supervisors concurs with the Analysis submitted by the Canyon Lakes Project Team. Finding 1 : The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. The comment does not Identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 2: The response, 'together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ conditions 041 through 49 have been required in the project to mitigate geologic and soils impacts. Finding 3: RZ condition #88 has been required In the project to require Lake Management Plan submittal prior to final map. -S- : 00011. 8 Finding 4: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not Included in the Draft EIR. RESPONSES TO PUBLIC HEARING COMMENTS MAY, 1984 Canyon Lakes Group Finding l: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ condition #15 has been required in the project to incorporate the developer's proposal as accepted by the Planning Commission. Finding 2: The response, together with the remainder of the final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ condition #27 has been required In the project to allow for alternative use of the school site. Findings 3 do 4: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 5: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which intelligently takes_ account of environ- mental consequences. RZ conditions #75, 76 and 78 have been required in the project to allow for extension of Crow Canyon Road to Camino Tassajara. Finding 6: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. Tony Stepper, San Ramon Valley Unified School District Finding l: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. The comment does not identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 2: RZ condition #27 has been required In the project to stipulate the site be graded. -6- .0 0 0 6 .000 119 Tony Stepper, Area Resident Finding 1: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions 017 and 27 have been required in the project to allow for provision of active playing fields within the project. A soft ball field is proposed as a part of the project. Dan Mount, Vista San Ramon Resident Finding 1: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It is infeasible due to social and other considerations to realign Bollinger Canyon Road from the proposed location which conforms to the north Dougherty Hills General Pian Amendment. A Statement of Overriding Considerations has been adopted for not realigning Bollinger from the proposed location. RZ condition #26 has been required in the project to require construction of an acoustical barrier. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. It is infeabible, due to economic, social and other con- siderations, to require a lower density project. A Statement of Overriding Considerations has been adopted for not requiring a lower density project. Mr. Koplo, Vista San Ramon Resident Finding 1: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ condition NOD, 11, 12A and 13 have been reuqired in the project to allow further review of visual Impacts. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- -7- 000 -1.20 mental consequences. RZ condition #51 has been required in the project to provide for construction of an 80-foot wide four lane road, within a 100-foot right-of-way (not a 6-lane road). William Hill, Vista San Ramon Resident Finding l: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #IOD, 11, 12A and 13 have been required in the project to allow for further review of visual impacts. RZ con- dition #26 has been required in the project to provide for an acoustical barrier. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #50 through 79 have been required in the project to provide for full mitigation of traffic impacts through a program which will result in construction of improvements. Given construction of improvements, further mitigation by a TSM Plan are not warranted. Leslie Stewart, League of Women Voters of Diablo Valley Finding l: The comment does not question the adequacy._of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 2: The response, together with the remainder of the final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make , a decision which Intelligently takes account of environ- mental consequences. The general plan Final EIR deals with assessment of regional housing needs and this assessment is incor- porated here. Finding 3: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ conditions #SO through 79 have been required in the project to provide for full mitigation of traffic impacts by a program which will result in construction of improve- ments to streets and highways. Given construction of .these improvements additional mitigation by mass transit Is not warranted. -8- 00012.1 Bill Cardinale, Alamo Resident Finding l: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. ' The comment does not identify a significant effect or a mitigation measure not contained in the Draft EIR. Mr. Dockery, President, San Ramon Chamber of Commerce Finding l: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Dan Mount, Vista San Ramon Resident Finding l: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. It is infeasible, due to economic, social and other considerations to realign Bollinger Canyon Road from the proposed location which conforms to the north Doughterty Hills General Plan Amendment. A Statement of Overriding Consideratoins has been adopted for not realigning Bollinger Canyon Road. RZ condition #26 has been required in the project to provide for an acoustical and landscape barrier to mitigate the Impact of the proposed alignment of Bollinger Canyon Road. Commissioner Viets Findings 1, 2 do 3: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. It is infeasible, due to economic, social and other con- siderations, to require Canyon Lakes to cover the costs of school construction, to a degree greater than that reuqired of other developers. A Statement of Overriding Considerations has been adopted for any unmitigated effects associated with not requiring Canyon Lakes to fully fund construction of new schools sufficient to accommodate the number of students anticipated in Canyon Lakes. RZ condition X27 has been required in the project to provide for payment of adopted "bedroom taxes" and allow for acquisition of an elementary school site. -9- . 000122 n' Finding 4: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It is infeasible due to social, economic and other considerations to require Canyon Lakes to provide preschool facilities or ser- vices. A Statement of Overriding Considerations has been adopted for not requiring Canyon Lakes to mitigate effects of pre-schoolers. RZ condition X28 requires an examination of the feasibility of designating a pre-school site within the Hotel/Clubhouse Area H. Finding 5: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which intelligently takes account of environ- mental consequences. The comment does not identify a significant effect or a mitigation measure not contained in the Draft EIR. Finding 6: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ conditions #17 and 27 have been required in the project to pro- vide for active playing fields. A softball field is proposed as a part of the project. RZ conditions #14 and 15 have been required in the project to require compliance with the county's parkland dedication ordinance which generates in lieu- fees for public park purposes. Finding 7: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ condition #12E has been required In the project to allow addi- tional review of recreational facilities for the Canyon Park Neighborhood I which includes the park referenced in the comment. RZ conditions #14 and 15 have been required In the project to require compliance with the county's Parkland Dedication Ordinance which generates In lieu fees for public park purposes. Finding 8: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- -10- OQ mental consequences. The comment does not identify a significant effect or a mitigation measure not included in the Draft EIR. Finding 9: The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ condition #12E has been required in the project to allow for further review of recreation facilities within all condominium areas. RZ conditions #14 and 15 have been required in the project to require compliance within Parkland Dedication Ordinance which generates in lieu fees for public park purposes. Findings 10 & 11: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which intelligently takes account of environ- mental consequences. The comment does not identify a significant effect or a mitigation measure not Included in the Draft EIR. Finding 12 The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It is infeasible, due to economic, social and other considerations to require Canyon Lakes to conform to building code criteria more restrictive than that currently adopted by the County. A Statement of Overriding Considerations has been adopted for not requiring Canyon Lakes to develop new construction standards rela- tive to earthquake shaking. Finding 13 The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It Is infeasible due to economic, social and other consideratins, to require Canyon Lakes to provide long term funding or bonding to mitigate future problems that may develop, due to economic and other considerations. A Statement of Overriding Considerations has been adopted for not requiring Canyon Lakes to provide long- term funding or bonding to protect future buyers. Finding 14 The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them -11- � 'C'J to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #80-91 have been required in the project to mitigate off-site drainage impacts. Finding 15 The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #9 through 13 have been required in the project to provide for Design Review. Finding 16 The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #50 through 79 have been required in the project to provide for traffic improvements which will not defeat the goal of reducing the impact upon Alcosta Boulevard south. Finding 17 The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. RZ condition #12c has been required in the project to provide for recreational vehicle parking. Finding 18 The response, together with the remainder of the Final EIR, Includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. The comment does not- identify a significant effect or a mitigation measure not included in the Draft EIR. Commissioner Stone Finding 1: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with Information which enables them to make a decision which intelligently takes account of environ- mental consequences. RZ conditions #50 through 79 have been required in the project to speed traffic flow and thereby minimize Canyon Lake's contribution to degradation of air quality. Finding 2: The comment does not question the adequacy of the EIR, and does not identify a significant effect or a mitigation measure not included in the Draft EIR. Bike paths and trails are proposed in the project. RZ conditions #12H and 12I have been required in the project to insure adequate connection of on-site trails to off- site sidewalks and bus stops. -12- 000125 Commissioner Whitney Finding 1: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which intelligently takes account of environ- mental consequences. The comment does not Identify a significant effect or a mitigation measure not included In the Draft EIR. Finding 2: The response, together with the remainder of the Final EIR, includes a sufficient degree of analysis to provide County of Contra Costa decision makers with information which enables them to make a decision which Intelligently takes account of environ- mental consequences. It is infeasible, due to social, economic and other considerations to require Canyon Lakes to provide a library on the site. A Statement of Overriding Considerations has been adopted for not requiring Canyon Lakes to construct a library or participate in developer-fees which ahve not been established by the county. RZ condition #28 has been required in the project to allow future examination of the feasibility of designating a library site within Area H. -13- 0 0 0 1 12 6 13000126 EXHIBIT C STATEMENT OF OVERRIDING CONSIDERATIONS RELATING TO DEIR MITIGATION MEASURES, COMMENTS TO THE DEIR AND CANCELLATION OF WILLIAMSON ACT CONTRACTS 1. Cancellation of Williamson Act contracts: The Board of Supervisors has read and considered the report of the Director of Planning and hereby adopts it here as its own. The cancellation of Land Conservation Contracts 20-75 (1945 RZ) and 21-75 (1944-RZ) is essential to early construction of the Canyon Lakes project, which in turn, is essential to the County's objective of improving the jobs-housing balance within the San Ramon Valley area. Currently scheduled tenants for buildings under construction at the Bishop Ranch Business Park (BRBP) are expected to bring 15,000 employees to the area within the immediate future. (See Appendix A Socioeconomic Analysis of the DEIR). Given the 1984 supply of housing these jobs can create an immediate negative imbalance of jobs and housing. By 1995, an additional 25,000 jobs are projected for the vicinity. Considered among all planned housing developments, Canyon Lakes is particularly well situated to improving the jobs-housing balance within the valley, by virtue of the following attributes: (a) Proiect size: Canyon Lakes can provide 3090 dwelling units. This number of units can have a significant positive effect upon improving the jobs-housing balance. (b) Timing: The Canyon Lakes developer is anxious to proceed. Further, the Plan conforms to 'adopted General Plan designations, and the project has already completed the time-consuming processes for approval of water service, approval of sewage service, environmental clearance, zoning approval and tentative map approval. Other housing projects could be delayed for years while completing these processes and the present intend of those applicants are not as clear. (c) Proximity to BRBP: Canyon Lakes's proximity to BRBP not only will allow employees the amenity of brief commute times, but also will result In substantial reductions in the traffic and air quality Impacts which would result from a housing project located elsewhere. Given Its attributes, Canyon Lakes is the right project, In the right place and at the right time. If the Canyon Lakes land conservation contracts were not cancelled the project would be substantially delayed and subsequent housing demand would outstrip the local supply. Furthermore, local streets and I-680 would experience greater traffic impacts If Canyon Lakes housing Is delayed, due -1- 000127 to the fact that BRBP employees would be forced to live In projects more distant from BRBP and thereby be forced to travel greater distances and rely more heavily upon I-680 as a commute route. The delay of Canyon Lakes could also delay reimbursement for improvements to I-680 interchanges, due to the fact that Canyon Lakes' traffic Impact fees would not be paid. The need for I-680 improvements will exist irrespective of comple- tion of Canyon Lakes, and the Canyon Lakes impact fees are part of the planned financing for early construction of these improvements. Delay of or disapproval of the Williamson Act contracts cancellation will essen- tially result in the "No Project" alternative described on page 151 of the DEIR, and would cause the negative effects identified in the discussion of that alter- native. Notices of non-renewal were filed for the land conservation contracts In 1981, and the- contracts will expire in 1991 irrespective of whether immediate can- cellation is approved by the County. Therefore, conversion from agricultural use will occur in 1991 irrespective of the current request, and the current request has only the effect of accelerating the time at which the impacts, If any, occur. The Canyon Lakes project proposal includes provisions for protection of and buf- fering of agricultural land uses on adjacent properties. Open space buffers, 100 to 200 or more feet wide have been provided adjacent to the Shapell pro- perty, pursuant to an agreement reached between the applicant and People for Open Space. Additionally, 75 + acres of land located at the easternmost end of the site are not proposed for development, and will be offered to the East Bay Regional Parks District as open space. Given the foregoing considerations and those stated separately as findings pre- cedent to cancellation of contracts 20-75 and 21-75 the Board of Supervisors finds it infeasible to delay the Canyon Lakes project by delaying the Immediate cancellation. The Board finds further that any unmitigated effect associated with immediate cancellation is acceptable. 2. School needs. It is infeasible to require Canyon Lakes to fully fund the construction of new schools beyond fulfilling the requirements of the County's School Facilities Dedication Ordinance and providing a school site, pursuant to the conditions of approval. The construction of new schools Is typically funded by a variety of sources and are not typically funded by a single development project. Funding sources available to the district include state agencies and district tax revenues. If Canyon Lakes were required to pay "development fees" at a level sufficient to fully fund the construction of new schools, the cost of Canyon Lakes housing would be Increased. Applied solely to Canyon Lakes, the fees could place Canyon Lakes in a competitive disadvantage with other development projects which had not been required to pay the fees. Higher housing costs will reduce the afford- ability of Canyon Lakes units, reduce the ability of the project to fulfill the housing demands of employees of the BRBP and consequently diminish the Canyon Lakes ability to improve the jobs-housing balance* within the Valley. -2- 60 01 2.8 Development fees will be passed on to homebuyers and tenants in the form of higher prices and rents. As such, development fees force homebuyers and renters to pay for public facilities and services through prices and rents In addition to paying all taxes. If Canyon Lake's development fees are high enough to fully fund construction of new schools, then Canyon Lakes' residents will be funding schools construction at greater levels than the residents of other projects for which schools have been funded by sources other than development fees. By using district tax revenues and state monies, a school district spreads the cost of schools to a wider tax base and more taxpayers than the residents of one pro- ject. Since pre-Canyon Lakes schools have been financed from other sources, pre-Canyon Lakes residents have benefited from utilizing wider tax bases and Canyon Lakes residents should not be denied the same benefits. If Canyon Lakes fully funds construction of new schools, there will be no need for the San Ramon Valley School District (SRVSD) to seek available state funds. In this event, the state will be free to use available monies for schools elsewhere in the state. In this way Canyon Lakes residents would be, in effect, inequitably subsidizing statewide school construction. The SRVSD calculated the number of students expected from Canyon Lakes and then determined that approximately $10.5 million would be required to construct new schools for the anticipated students. The District has not, however, demonstrated that Canyon Lakes students cannot be housed in existing schools by changing attendance boundaries or by enlarging existing schools. The Board of Supervisors expects that the number of Canyon Lakes students may necessitate some new construction, but is has not been adequately demonstrated that Canyon Lakes will necessitate construction of specific school facilities which will cost $10.5 million. The Imposition of development fees for school construction has been the subject of state legislation and lawsuits. It Is not clear that the County has the legal authority to require payment of development fees which will be used for purposes other than the construction of interim facilities. The SRVSD has accepted an offer of the Canyon Lakes applicant to grant $25,000 toward a preparing study of District needs and as well assist the District In seeking state monies and reasonable increases to development fees. Due to the foregoing considerations, the Board of Supervisors finds that the Canyon Lakes project, as approved subject to conditions and subject to the applicant's offer to the District, will mitigate to the extent feasible, the significant effects associated with schools needs. The Board further finds that any remaining unmitigated effects are acceptable and is fully able to consider a moratorium If the "worse case" actually materializes. 3. Police Services. It Is infeasible to mitigate the effects upon police service by requiring Canyon Lakes to participate with other developers in the area In the dedication and construction of a protective services facility under an undefined program and without a showing that tax revenues are not adequate to provide public protection. The County of Contra Costa has not adopted a program by which such a requirement -3- 000129 can be made. Such a program will entail an examination of the existing facili- ties and needs of the Sheriff's office and the police departments of Danville and San Ramon. Further, annexation of Canyon Lakes to either the City of San Ramon or Danville would eliminate any benefits to Canyon Lakes residents of having a new Sheriff's facility. The construction of protective services facilities has traditionally been funded by tax revenues and other sources, and not traditionally funded by development fees or exactions. Funding construction by development exactions would Increase costs to the developer and subsequently increase housing prices and rents. If such exactions were applied to Canyon Lakes alone, the Canyon Lakes developer would be placed in a competitive disadvantage with other projects and project residents would be inequitably funding facilities and services by paying higher housing costs. However, given the fact that Canyon Lakes may annex to a city, and given the fact that Danville or San Ramon may find the Canyon Lakes site appropriate for a police station, RZ condition #28 requires that the feasibility of a law enforce- ment facility within Canyon Lakes Neighborhood H be examined prior to County approval of plans for Neighborhood H. Due to the foregoing considerations the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, mitigates to the extent feasible the significant affects associated with protective services. The Board further finds that any remaining unmitigated effect Is acceptable. 4. Library Services. It is infeasible to require Canyon Lakes to establish an additional library or pay development fees therefor. Library facilities are traditionally funded by service area taxpayers and other sources. If an additional facility were funded solely by the Canyon Lakes pro- ject, then the residents of Canyon Lakes would be unfairly funding library ser- vices in comparison to residents of other developments -which had not been required to fund a library facility. The establishment of a development fee should be considered within the context of an area-wide program In which due consideration has been given to: the magnitude of need for library facilities; the best location for any needed facility; the number of potential funding sources and; the equity of funding libraries by development fees which are borne by homebuyers and renters. However, the Canyon Lakes Hotel/Clubhouse Area H Is relatively centrally located within the San Ramon Valley and may be appropriate for a future library site. RZ condition #28 requires an examination of the feasibility of designating a library site In Area H. Due to the foregoing considerations, the Board of Supervisors finds the Canyon Lakes project, as approved subject to conditions, will mitigate to the extent feasible significant affects associated with library. needs. The Board further finds that any remaining unmitigated effect is acceptable. S. Allocation of Park Fees: It is infeasible to allocate, as a part of the approval process for Canyon Lakes, In-lieu fees for development of nearby sites (e.g., Vista San Ramon Park). -4- 0.00 .30 Pursuant to County ordinances and policy, park dedication fees are paid into a fund from which monies can be allocated for a variety of parks 'purposes within the County-wide area. Funds are allocated after examining all needs in the area. If, as a part of project approval, Canyon Lakes fees were slated for a specific park use, then the normal allocation process would be circumvented, and the competing needs at distant parks would not be fairly considered. Canyon Lakes' park dedication fees should be allocated within the normal process. The Canyon Lakes proposal Includes extensive active recreation areas including a softball field. RZ conditions #14 and 15 require Canyon Lakes to pay in lieu fees. RZ condition #27 requires Canyon Lakes to provide 4 acres of improved play field within the proposed school site and requires that the entire 10-acre school site be offered for parks purposes In the event It is not accepted for school purposes. RZ condition #17 provides for a possible additional public play field site at the northern end of the project. Due to the foregoing considerations the Board of Supervisors finds that Canyon Lakes, as approved by conditions, will mitigate to the extent feasible the significant effects associated with needs for park Improvements. The Board further finds that any remaining unmitigated effect is acceptable. 6. Preservation of Knoll in Area H. It is Infeasible to preserve the screening function of the existing knoll in the Hotel/Clubhouse Area H by revising grading plans to preserve the knoll Itself. Preservation of the knoll would result in minimal visual relief and would cause a significant loss of buildable land within Area H. This loss would diminish the economic viability of the project as a whole and will result In higher housing prices and rents if prices and rents must be Increased to recapture the land value lost in preserving the knoll. Higher prices and rents will reduce the affordability of housing and frustrate the County's objective of improving the jobs-housing balance. The loss of the knoll's moderate screening function can be adequately mitigated by attention to the design of buildings and landscaping which will occupy the site. Such mitigation can be reviewed during future approval of development plans for area H. Further review and approval is required by RZ conditions #3 and IOD. Due to the foregoing considerations the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, mitigates to the extent feasible the significant effects associated with the screening function of the knoll. The Board further finds that any remaining unmitigated effect is acceptable. 7. Twelve M.P.H. Winds. It Is infeasible to limit grading operations to periods during which winds do not exceed 12 m.p.h. The site is commonly exposed to easterly winds In excess of 12 m.p.h. Suspension of grading when winds exceed 12 m.p.h. Is impossible if grading is to be accomplished in the shortest possible time. Rapid completion of grading is essential to economical construction and as well, to minimize the period that neighbors would be disturbed by noise and other effects of grading operations. -S- 000-11-31. The easterly winds will tend to blow dust away from nearby neighbors because existing homes lie westerly of Canyon Lakes and undeveloped land lies easterly of Canyon Lakes. RZ condition #48 requires preparation of a program to minimize generation of dust. Such a program will include typical and feasible mitigation measures, such as sprinkling of graded areas. Due to the foregoing considerations the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, will mitigate to the extent feasible the significant effects of dust generation. The Board further finds that any remaining unmitigated effect is acceptable. 8. Weekend Suspension of Construction Traffic. It Is infeasible to prohi- bit weekend construction traffic on public roads for the purpose of reducing noise levels. It is the desire of the Board of Supervisors to complete the construction of Canyon Lakes in the shortest feasible time period. Early completion will reduce the period during which neighbors may be disturbed by construction activity. Early completion will improve the ability of Canyon Lakes to meet the Imminent housing needs of BRBP employees, and thereby improve the jobs-housing balance and minimize BRBP traffic impacts. Limiting of construction traffic to weekdays only will tend to delay completion of Canyon Lakes. RZ condition #44 will limit construction traffic to daytime hours of 7:00 a.m. to 5:00 p.m. and thereby reduce noise impacts during evening and nighttime hours. Due to the foregoing considerations the Board of Supervisors finds the Canyon Lakes, as approved subject to conditions, will mitigate to the extent feasible the significant effects associated with noise from construction traffic on public roads. The Board further finds that any remaining unmitigated effect is accep table. 9. Additional Energy Standards. It is infeasible to require Canyon Lakes to prepare project-specific energy conservation standards. Energy conservation standards for new construction exist in the form of the requirements of the UBC and Title 24. The existing standards have been de- veloped by governmental agencies following years of research, testing, public review and refinement. It is not standard County practice to require a single development project such as Canyon Lakes to supplement or revise already-adopted code requirements. There Is no evidence supporting the presumption that energy use within Canyon Lakes will differ significantly from other developments which have and will be built . pursuant to existing energy standards. Therefore, there is no basis for imposing unique standards upon Canyon Lakes. The preparation of project specific standards could delay construction of the project and add construction costs to the project, both of which would frustrate improvement of the jobs-housing balance. -6- 0001. 2 To the extent that existing standards may ,be deficient, preparation of new stan- dards is rightly the responsibility of government agencies and not the respon- sibility of a single development project. Due to the foregoing considerations the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, will mitigate to the extent feasible the significant effects associated with energy conservation. The Board further finds that any remaining unmitigated effect is acceptable. 10. _Loss of grazing and hay producing land, and open space value. It is infeasible to preserve the 1050-acre Canyon Lakes site for its grazing and hay producing value and for its open space value. Preservation of the site for these purposes would result In the undesirable effects identified in Statement No. 1, "Cancellation of Williamson Act. contracts." As proposed, Canyon Lakes includes 600 acres of open space and recreation land which will preserve substantial open space value. In addition, the project as proposed preserves major ridgelines for their open space value. Due to the foregoing considerations, the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, mitigates to the extent feasible the loss of grazing and hay producing land and the loss of open space value. The Board finds further that any unmitigated effect Is acceptable. 11. Loss or Alteration of Riparian Habitats. It Is infeasible to prevent the temporary loss of riparian habitat and to prevent alteration of habitat value. Preservation of existing riparian habitat and the existing habitat value would require that the site be preserved in its existing condition, thereby precluding development of the Canyon Lakes project. Preservation of -the site would result in the undesirable effects identified In Statement No. 1, "Cancellation of Williamson Act contracts". Existing riparian habitat is minimal. The Canyon Lake project will result in re-establishment of riparian habitat, after grading has been completed and the re-established habitat will have more extensive vege- tation than that which currently exists. The temporary loss of habitat will not affect any rare or endangered species. Due to the foregoing considerations, the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, mitigates to the extent feasible the loss or alteration of riparian habitat. 12. Realignment of Bollinger Canyon Road. It Is infeasible to realign Bollinger Canyon Road from the proposed alignment to one which runs southeast- erly of neighborhood I. The suggested realignment would conflict with the General Plan and would require more grading than that proposed. The realignment would not mitigate noise impacts upon the Vista San Ramon homes closest to Alcosta Boulevard because the alignment Is fixed by the existing Bollinger/Alcosta Intersection. RZ condition 026 requires an acoustical and landscape barrier be provided to mitigate the Impacts of the proposed alignment. -7- 000 Due to the foregoing considerations, the Board of Supervisors find that Canyon Lakes, as approved subject to conditions, will mitigate to the extent feasible the significant -'effects associated with the proposed alignment of Bollinger Canyon Road. The Board finds further than any remaining unmitigated effect is acceptable. 13. Preschool Needs. It is Infeasible to require Canyon Lakes to provide preschool facilities of project residents. Provisions for preschool needs are the responsibility of parents and not the responsibility of a developer or the County. If the developer were to pro- vide preschool facilities or services, the costs would be inequitably passed on to all project residents, including those who do not have children and those whose might prefer alternative preschool services. Developer provision of ser- vices could result In higher housing costs which would frustrate the County's objectives of improving providing affordable housing and improving the jobs- housing balance. RZ condition $28 requires an examination be made of the feasibility of designating a private day care site within Area H. Due to the foregoing considerations, the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, mitigates to the extent feasible the preschool needs of project residents. The Board further finds that any remaining unmitigated effect is acceptable. 14. Code Revisions Regarding Earthquakes. It Is infeasible to subject Canyon Lakes to more stringent building code requirements than those already in force. Building code requirements have been adopted following years of research, testing and public review. New standards, If any are warranted, would take substantial time to prepare and could delay construction of Canyon Lakes. There Is no evidence that the Canyon Lakes site is substantially different from other hillside project sites which have not been subjected to additional standards. In the event that building codes are modified prior to the buildout of Canyon Lakes, any unconstructed units will be subject to the modified standards. Due to the foregoing considerations, the Board of Supervisors finds that Canyon Lakes, as approved subject to conditions, will mitigate to the extent feasible the significant impacts associated with earthquake shaking. The Board further finds that any remaining unmitigated effect Is acceptable. 13. Bonding for Potential Geologic Problems. It Is infeasible to require Canyon Lakes to bond or establish long term funding to protect residents from potential geologic problems. Such a requirement could stop the project by using up the developers bonding capacity. Geologic problems will be mitigated by requiring the applicant to perform all soils work under the supervision of the ' applicant's geotechnical consultant and pursuant to County ordinance requirements. 4- . A 000A: , : Additional protection is available to individual property owners In the form of insurance and other legal recourse under existing lacy. To require the deve- loper to provide bonding would provide protection for all future property owners, but would generate a cost which would be borne by all property owners. Such a program Is not typically required for development projects and would create a competitive disadvantage for Canyon Lakes. The additional cost of the program could result in higher housing costs which would frustrate the County's objective of providing affordable housing to improve the jobs-housing balance. R7 conditions #41 through 49 require Canyon Lakes to comply with standard geotechnical practices. Due to the foregoing considerations, the Board of Supervisors finds that Canyon Lakes is not geologically unique and, as approved subject to conditions, mitigates to the extent feasible all geologic effects. The Board finds further that any remaining unmitigated effect is acceptable. 16. Proiect Alternatives. (a) No Proiect, No Action, Delay Alternative; Reduced Residential Density Alternative. Adoption of these alternatives would frustrate the County's General Plan and its objectives of providing affordable housing to improve the jobs-housing balance within the Valley. The negative effects asso- ciated with these alternatives are described in pages 153 and 154 of the Draft EIR. The No Project, No Action, Delay Alternative would entail all the unde- sirable effects identified in Statement #1 "Cancellation of Williamson Act contracts" as described on page 1 of this Exhibit. (b) Increased Residential Density Alternative. Adoption of this alternative would result in higher incremental environmental Impacts as described in pages 154 and 155 of the Draft EIR and could incur significant com- munity resistance not now present. (c) Land Use Relocation Alternative. Adoption of this alternative would remove housing from Alcosta Boulevard sites which are attractive to employees of the BRBP. The housing would be relocated to the area proposed for Hotel/Clubhouse and related uses, resulting in less developable land reducing the economic viability of the project. This proposal Is not consistent with the general plan. Further, reducing the amount of developable land will result in higher housing costs and subsequently frustrate the County's objective of pro- viding affordable housing to improve the jobs-housing balance in the Valley. (e) Non-residential Uses Alternatives. The non-residential uses alternative as described on pages 158 and 159 of the DEIR, Is neither more nor less advantageous than the project as proposed, but would provide less housing than that proposed. Due to the foregoing considerations, the Board of Supervisors finds the Canyon Lakes, as proposed and modified by conditions of approval is superior to the suggested Project Alternatives, * and the alternatives are hereby rejected. The Board further finds that any remaining unmitigated effect associated with not adopting the project alternatives Is acceptable. -9- 00013 5 . 17. Cumulative Impacts. The San Ramon Valley Planning area, particularly in the areas south of Danville, are undergoing rapid changes. The Final EIR for North Dougherty Hill's General Plan Amendment (August 1982) evaluates the situation as it then existed (see especially the "Responses to Comments" portion of the EIR pages 1-17 and the Board of Superviors resolution). The Draft Environmental Impact Report for "Canyon Lakes" (April 1984) updates and further evaluates the, situation at pages 30-36 and 109-134. Since the Draft EIR for Canyon Lakes has occurred the following added changes have occurred: (a) The application for the Gomperts (or Daon) General Plan Amendment has been dropped at the request of the applicant and with the support of staff; (b) Environmental Impact Reports for The West Branch (June 1983), Hansen Lane (September 1983) and Dougherty Valley (January 1984) General Plan changes have been certified by the SRVAPC; (c) Public hearings on all three General Plan changes have been closed and all three matters are presently set for decision by the SRVAPC at its meeting of July 11, 1984; and (d) On June 18, 1984 the Alameda County Planning Commission recom- mended approval of the Los Positas Master Plan (EIR published June 1982) and that plan is awaiting hearings before the Alameda County Board of Supervisors. The above mentioned General Plan changes are in a different category than Is Canyon Lakes. Canyon Lakes is a detailed current project Implementing the current General Plan and is consistent with the spheres of influence and poli- cies of related sewer and water agencies. The pending general plan changes have not been approved and if approved will be subject to independent project review (including the formulation of precise conditions and other mitigation measures) at the zoning stage. Further, several of the projects listed In the EIR (Table S) are also subject to further plan review. The practical reality is all projects listed may not be approved and built as presented. The rate of build out of this and other projects will depend not only upon agency approvals but upon external market or economic forces. The test which Contra Costa County normally applies in reviewing projects of the scope of Canyon lakes is to establish that the project will not have an un- acceptable adverse effect on . the community (taken in the context of previously approved projects) and will not Impose an unacceptable burden on community infrastructure. As stated elsewhere, Canyon Lakes meets this test and its Impacts have been mitigated to the extent feasible. The Board of Supervisors and the public has and has had sufficient information to understand the potential magnitude of the cumulative Impact of all projected development and to make an informed decision regarding the merits of the Canyon Lakes application and to formulate mitigation measures for Canyon Lakes within Its development context. This, of course, does not mean that this Board can or should approve all "planned" projects as presented or that It would not insist upon the formulation of significant measures to mitigate the Impacts of each project if approval is appropriate and is consistent with its general plan. -10- 000136 EXHIBIT D FINDINGS PURSUANT TO GOVERNMENT CODE SECTION 51282.1 CANCELLATION OF AGRICULTURAL PRESERVE AND OF LAND CONSERVATION CONTRACT NOS. 20-75 (1945 RZ) AND 21-75 (1944 RZ) (WILLIAMSON ACT CANCELLATION) This Board finds that said contract should be tentatively cancelled upon the following grounds: 1. Prior to its action giving this tentative approval, the county assessor determined the full cash value of the land as though it were free of the contractual restrictions and certified to the Board the cancellation value as required by Government Code Section 51283, and pursuant to Government Code Section 51283(b) , it has determined and certified to the county auditor the can- cellation fee which must be paid is $60,666 and $30,721, respectively; 2. A petition for cancellation was filed prior to May 31, 1982, in that on May 28, 1982 the landowner by letter petitioned to cancel both contracts under the provisions of Government Code Section 51282.1; 3. The proposed alternative use (2571 RZ), and Final Development Plan (3041-83) , is consistent with the applicable provisions of the County General Plan which had been amended after October 1, 1981, through proceedings which were formally initiated prior to January 1, 1982 (the General Plan was amended on December 7, 1982 - Resolution 82/1401 - North Dougherty Hills General Plan Amendment which includes this project site); 4. The proposed alternate use will not result in discontiguous patterns of urban development in that the Canyon Lakes project is consistent with and will implement the applicable General Plan and is in harmony with-the urban develop- ment policies of that plan as stated in SRVAPC (Resol. 34-1984(SR); 5. That as a condition of final cancellation, the cancellation fees ($58,892 and $29,823) will have been paid and that all permits needed to com- mence development have been obtained. 6. That pursuant to Public Resources Code Section 21081, the Statement of Overriding Considerations contained in Exhibit C are made as to the environmen- tal impact of the cancellation. 1 0001_ Q_> ALTERNATIVE FINDINGS PURSUANT TO GOVERNMENT CODE SECTION 51282 - CANCELLATION OF AGRICULTURAL PRESERVE AND LAND CONSERVATION CONTRACT NOS. 20-75 (1945 RZ) and 21-75 (1944 RZ) (WILLIAMSON ACT) The Board finds: 1. The Supervisors' original decision to enter into the land conservation contracts (both dated January 27, 1975) was supported by both the Planning Staff and the Planning Commission; 2. The landowner has filed a written notice of non-renewal, February 27, 1981 , under the provisions of Government Code Section 51245. This notice assures that these contracts will automatically expire February 19, 1991 unless terminated earlier by cancellation provided by law; 3. It recognizes that non-renewal is the usual method of termination; that cancellation may be allowed only if- unforeseen changes in circumstances have occurred preventing reliance upon non-renewal and that the objectives sought to be furthered by the cancellation can not be met by non-renewal. On February 26, 1981, the landowner delivered official notice of non-renewal of the two contracts and on March of 1981, Chevron formally announced its plans to locate a major employment center at Bishop Ranch Business Park (this step was followed by similar announcement by "Pac Tel"). In addition starting in May 1981, the County began to review the General Plan for the "North Dougherty Hills" (including the entire Canyon Lakes project site). This amendment was adopted on December 7, 1982. The immediate development of Bishop Ranch Bishop Park with its currently expected tenant population of 15,000 persons demands an adjacent residential project which will satisfy the County's required balance for jobs and housing. The objectives to be served by cancellation could not have been predicted or served by non-renewal at any earlier time. Such objectives can be served only by cancellation now. The pending unbalance between jobs and housing that will occur if cancellation does not take place is a situation of extraordinary con- cern for which non-renewal is no longer appropriate; 4. The public interest to be served by the cancellation is primarily local housing needs and this interest outweighs the public interest in deferring deve- lopment until 1991. While keeping these lands for open space and agricultural use for seven more years would indeed serve important open space and agri- cultural purposes, these values, because of the development of the BRBP should be subordinated to the need for "affordable" housing. The goal of balancing housing with jobs as evidenced in the general plan outweighs the interest of the public as a whole in the value of the land for open space and agricultural use. In addition, the alternative use does contain recreational and open space ameni- ties in that it provides for 600 acres of open space and recreation area. The Canyon Lakes plan is sensitive to open space and scenic values to the extent feasible and also is sensitive to surrounding agricultural uses by providing reasonable buffers and by lessening pressure to develop more remote sites. The need for housing adjacent to the Bishop Ranch Business Park and to the other 2 A r areas in the growing San Ramon Valley substantially outweigh the need for open space and agricultural purposes, therefore, this cancellation is in the public interest; 5. Proximate (close enough to be considered a practical alternative) alternative non-contract sites are not available for the use purposed under the Canyon Lakes project. All planning and traffic studies show the need to develop significant "affordable" housing stock to the east of Bishop Ranch Business Park and this project meets this test. Given the close proximity of the site to Bishop Ranch Business Park the opportunity to get people out of their cars can not be missed and there is not enough non-contract land in the vicinity to even begin to meet this planning goal. The record clearly shows that there is no proximate alternative non-contract sites available for the use similar to the use purposed under this project. The record further shows that the salient features of the Canyon Lakes project, which will provide for 3,090 dwelling units within a planned district including a variety of recreational amenities, all located directly east of Bishop Ranch Business Park (resulting in improved commute patterns), such that another parcel, or a combination of parcels more remote, would not serve a substantially similar use as the Canyon Lakes parcel. 6. It recognizes that under Government Code Section 51282, the uneconomic character of an existing agricultural use shall likewise not be sufficient reason for cancellation of the contracts. This should only be done if the Board first decides that there is no other economic agricultural use and then only if it decides that there has been a significant change in circumstances since the contracts were originally signed. The Board is aware of this consideration, but it does not need to consider the uneconomic character of the agricultural use now in existence. While the required findings to consider agricultural econo- mics might be made, it is not clear if there is not some other agricultural use to which the land may be put which is more comparable with the present rapid urbanization of the surrounding area. The cancellation is based upon present housing needs to arrive at the proper housing/job balance and not upon the lan- downers understandable desire to realize a financial gain to a present sale to a developer. 7 Pursuant to Public Resources Code Section 21081 , the Statement of Overriding Considerations contained in Exhibit C are made as to these can- cellations. The Board further finds that these findings are made in the alternative and the record supports both sets of findings. 3 0 0 �� _ 4 IN THE BOARD OF SUPERVISORS OF CONTRA COSTA COUNTY, CALIFORNIA CANYON LAKES: Approving ) Tentative Cancellation of ) Land Conservation Contracts ) Resolution # 84/407 20-75 (1945 RZ) and ) 21-75 (1944 RZ) . ) WHEREAS, on July 5, 1984, the Board of Supervisors received a memo from the Director of Planning transmitting, among other items, his report analyzing the requested cancellation of Land Conservation Contracts 20-75 and 21-75 which apply to the Canyon Lakes Project; WHEREAS, after notice lawfully given for cancellation of Land Conservation Contracts, a public hearing was held July 10, 1984 at 2:30 p.m. in the Board of Supervisors Chambers in Martinez, California. WHEREAS, the Board of Supervisors has considered the recommendations of the staff and the testimony and documents referenced in the staff report; WHEREAS, The Board of Supervisors gave tentative approval at its meeting of July 10, 1984, subject to the final preparation of this resolution; WHEREAS, by resolution 84/406 the Board of Supervisors on July 17, 1984, approved the Canyon Lakes Project. NOW THEREFORE, THE BOARD OF SUPERVISORS HEREBY RESOLVES, FINDS, CERTIFIES AND ORDERS AS FOLLOWS: 1. Land Conservation Contracts Cancellation: The parcels of land covered by Land Conservation Contracts 20-75 and 21-75 were impacted by urban develop- ment more rapidly than anticipated, and these contracts now stand in the way of orderly community development serving public housing and transportation needs as set forth in the applicable County General Plan and therefore, Land Conservation Contracts 20-75 and 21-75 are hereby cancelled upon the specific findings con- tained in Exhibit D attached to Resolution 84/406 - Canyon Lakes (which is incorporated herein by reference) and the Clerk of the Board shall record in the office of the County Recorder a certificate of tentative cancellation and shall implement an unconditional cancellation if the final cancellation under Government Code Section 51282.1 is ineffective for any reason; -1- 000 . 0 2. The Clerk of the Board shall issue and record the Certificate of Tentative Cancellation pursuant to Government Code Section 51283.4. PASSED AND ADOPTED this 17th day of July, 1984, by the following votes: Ayes: Supervisors Powers, Fanden, Schroder and Torlakson Noes: None Absent: Supervisor McPeak i t4mby c"fy thatthis laa true end c~cow of an *cWW taken and entered on the minutes of t!� Baero of gupervbors an thoi dote 0"M ATTESTED: J.R. OLSSO ,CO NTV CLERK and ON *Mdo Cleric of the ®oard fly —.:-.... I tel► cc: Director of Planning County Counsel Public Works Director Daniel Van Voorhis Page & Addison, Attorneys -2- 7 ' 000'. ,11.