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HomeMy WebLinkAboutMINUTES - 01161990 - 2.6 C"tra 2 . 6 CWICI CO^ T0: BOARD OF SUPERVISORS FROM: Harvey E. Bragdon, Director of Community Development DATE: 22 November 1989 SUBJECT REFERRAL - Subdivision #7307 (Applicant & Owner - Sun Capitol Properties, Inc. This is a referral by the County Planning Commission for Tentative Map approval to divide 9 acres into 16 lots in a Single Family Residential District (R-6) . Subject Property is described as being located at the northerly and westerly extension of Twin Peaks Drive, in the Walnut Creek Area. (S.D. III ) Parcel #184-251-026 & #184-260-016 & 020. SPECIFIC REQUEST S) OR RECOMMENDATIONS(S) & BACKGROUND AND JUSTIFICATION REFERRAL: The Planning Commission was unable to reach a decision in this matter as a result of split votes. It was, therefore, referred to the Board. RECOMMENDATION: Give consideration for approval of the tentative map for Subdivision #7307 with conditions as recommended by Staff; or, alternatively, modify or DENY the tentative map for Subdivision #7307; direct the Community Development Department to prepare the appropriate documentation including CEQA and findings for the Board' s consideration at the next available date. CONTINUED ON ATTACHMENT: YES SIGNA RECOMMENDATION OF COUNTY ADMINISTRATOR RECOMMENDAVION OF110 COM4ITT2E APPROVE OTHER /40 SIGNATURE(S) : ACTION OF BOARD ON Jannary 169 logo APPROVED AS RECOMMENDED OTHER x_ On December 21, 1989, the Board of Supervisors deferred to this date the decision on the referral of the Contra Costa County Planning Commission on the request of Sun Capitol Properties, Inc. (applicant and owner) for tentative map approval for Subdivision 7307 (Crown Pointe) to divide 9+ acres into 16 lots in a Single Family Residential District (R-6) in the Walnut Creek area. Supervisor Schroder commented on the concerns of the people living in the area including slides, water runoff, and he commented on a meeting with the County Geologist, Todd Nelson. He expressed his intention to approve the proposal but to request Community Development to require that 100% of the recommendations in the conditions be adhered to and if they cannot, then those particular lots will be removed from the subdivision. Karl Wandry, Community Development Department, indicated that conditions three through seven addressed the concerns of the County Geologist and that another condition could be added that any lot not meeting the criteria set forth by those studies shall be adjusted or removed from the subdivision. Supervisor Schroder indicated that that was satisfactory and he moved approval of the staff recommendations with the additional condition. IT IS BY THE BOARD ORDERED that Subdivision 7303 is APPROVED with amended conditions (Exhibit A Attached) . VOTE OF SUPERVISORS I HEREBY CERTIFY THAT THIS IS A _ x UNANIMOUS (ABSENT ) TRUE AND CORRECT COPY OF AN AYES: NOES: ACTION TAKEN AND ENTERED ON THE ABSENT: ABSTAIN: MINUTES OF THE BOARD OF SUPERVISORS ON THE DATE SHOWN. CC: Community Development Dept, ATTESTED County Counsel PHIL BATCH LR, CLERK OF Public Works-Tom Dudziak THE BOARD OF SUPERVISORS Assessor All CO ADMINISTRATOR Sun Capitol Properties , Inc. Consolidated Fire Protection Dist. BY ► DEPU'T'Y CONDITIONS OF APPROVAL FOR SUBDIVISION 7307 1. This approval is based upon the tentative map submitted with the applica- tion dated received April 6, 1989. 2. Prior to filing the Final Map, a rezoning application shall be filed to Single Family Residential District(s) of an appropriate classification re- lated to the lot sizes as shown on the tentative map. In Subdivision 7307, the building setbacks shall not be less than 15 feet and sideyards of not less that 10 feet, all subject to review and approval by the Zoning Admin- istrator prior to issuance of a building permit. 3. At least 60 days prior to recording a Final Map, issuance of a grading permit, or installation of improvements or utilities, submit a supplement to the preliminary geotechnical report of Engeo, ,Inc. dated 5/25/89 for review and approval of the, Planning Geologist, providing additional control of springs. Improvement, grading, and building plans shall carry out the recommendations of the approved report and supplement. 4. Record a statement to run with deeds to the property acknowledging the ap- proved reports by title, author (firm) , and date, . calling attention to ap- proved recommendations, and noting that the report is on file for public review in the Community Development Department of Contra Costa County. 5. Prior to issuance of Building permits on parcels of this subdivision, sub- mit an as-graded report of the engineering geologist and geotechnical en- gineer with a map showing final plan and grades for subsurface drainage, subdrain cleanouts and pickup and disposal points, buttress fills with their keyway locations, retaining walls, and other soil improvements in- stalled during grading, all as surveyed by a licensed land surveyor or civil engineer. 6. A Grading bond is required for the work necessary to carry out the recom- mendations of the preliminary soil report. Provide sufficient subsurface information to estimate the cost of required soil improvements, including plan and profile of all planned soil improvements. 7. Prior to filing for grading permit for the subdivision, grading plans shall be submitted for review and approval by the County Geologist and the Zoning Administrator. The grading plan shall include a tree preservation plan ' showing all trees of 12 inch diameter or more and those to be retained. Trees which qualify as heritage trees per ordinance code section 816-4.602 may be recommended to become designated heritage trees as determined by the Zoning Administrator. Existing trees to be preserved shall be protected during grading or building operations by barricade or other means at the dripline. 8. Should archaeological materials be uncovered during grading, trenching or other on-site excavation(s) , earthwork within 30 yards of these materials shall be stopped until a professional archaeologist who is certified by the �ZA�U 2 Society for California Archaeology (SCA) and/or the Society of Professional Archaeology (SOPA) has had an opportunity to evaluate the significance of the find and suggest appropriate mitigation(s) ,. if deemed necessary. 9. Prior to the issuance of any building permit and/or grading permit for work on any lot, the proposed grading, location and design of the proposed res- idential building to be located on that lot shall be first submitted for review and approval by the Zoning Administrator. Buildings shall be de- signed and built to fit hillside areas within the envelope areas as indi- cated on the tentative map. Consideration shall be given to the following: A. Any rear yard deck, whether raised or on grade should blend with the design of the structure. The height of the deck should not exceed ten feet from the walking surface to the ground where the deck extends beyond the downhillside of the structure. All support structures shall be screened and landscaped: B. The specific design of buildings of structures shall result in a footprint that preserves existing mature, oak trees. A combination of staggered exterior wall lines and two-story elements may be appropri- ate depending on the proposed building size and location. ' C. Roof shapes that complement the character of surrounding terrain and nearby homes shall be utilized. D. Building height, setbacks and bulk shall encourage low profile, stepped-on-grade structures. 10. A landscape and irrigation plan for each lot shall be submitted for review and approval by the Zoning Administrator prior to issuance of a building permit. New landscaping shall utilize California Native Species and con- form to the Contra Costa County policy on water conservation requirements for new development, and shall be installed prior to occupancy. 11. A scenic easement shall be provided across Lots 1 through 5 as indicated on the Tentative Map subject to the review and approval by the Zoning Admin- istrator prior to filing the final map. This is. to restrict buildings and structures from those areas and to indicate that no further lot division shall occur. Any .fencing within the scenic easement shall be of open wire type. 12. Prior to filing a Final Subdivision Map, street names shall be subject to the review and approval of the Community Development Department. All res- idences shall provide for an address visible from the street, which may require illumination. 13. Comply with drainage, road improvement, traffic and utility requirements as follows: A. In accordance with Section 92-2.006 of the County Ordinance Code, this subdivision shall conform to the provisions of the County Subdivision EMOU A 3 Ordinance (Title 9) . Any exceptions therefrom must be specifically listed in this conditional approval statement. Conformance with the Ordinance includes the following requirements: 1. Constructing paved turnarounds at the ends of the proposed onsite roads, as shown on the Tentative Map. 2. County maintained street lighting is not required. 3. Undergrounding of all utility distribution facilities. 4. Conveying all storm waters entering or originating within the subject property, without diversion and within an adequate storm drainage facility, to a natural watercourse having definable bed and banks or to an existing adequate storm drainage facility which conveys the storm waters to a natural watercourse. The applicant shall divert runoff from the improved portions of Lots 1 and 2 to the drainage facility at Newell/Idlewood so that the net natural drainage to the northeast from these lots is sub- stantially decreased. The adequacy of the drainage facility at Newell/Idlewood must be verified prior to being allowed to div- charge run-off to it. 5. Designing and constructing storm drainage facilities required by the Ordinance in compliance with specifications outlined in Di- vision 914 of the Ordinance and in compliance with design stan- dards of the Public Works Department. 6. Submitting a Final Map prepared by a registered civil engineer or licensed land surveyor. 7. Submitting improvement plans prepared by a registered civil en- gineer, payment of review and inspection fees, and security for all improvements required by the Ordinance Code or the conditions of approval for this subdivision. These plans shall include any necessary traffic signage and striping plans for review by the County Traffic Engineer. Submit a detailed sketch of the re- alignment and improvements proposed at the intersection of Arbutus Drive and Twin Peaks Drive for review by the Public Works Department prior to the submission of improvement plans. The intersection plan shall include a stop sign and pavement marking on Twin Peaks Drive at its intersection with Arbutus Drive. B. Construct the on-site driveway system to current County private road standards with a minimum width of 20 feet, within 25 foot easements as shown on the Tentative Map. C. Construct the offsite portion of the access road to the southerly portion of the site and improve the offsite portion of Twin Creeks Drive as shown on the Tentative Map.. These roads shall be signed for NO PARKING except in the proposed parking bays. 4 D. Furnish proof to the Public Works Department, Engineering Services Division, that legal access to the property is available from Arbutus Drive. E. Furnish proof to the Public Works Department, Engineering Services Division, of the acquisition of all necessary rights of entry, permits and/or easements for the construction of off-site, temporary or per- manent, road and drainage improvements. 14. Off-site roadways to the intersection of Arbutus Drive shall have a minimum width of 20 feet which shall be defined by curbing, berming or other means. The intersection area of Arbutus -Drive shall be improved to allow separa- tion with proposed Royal Glen Drive to the extent feasible, as indicated on plans for the intersection submitted with the application. Sound barrier fencing shall be constructed for both sides of Royal Glen Drive extending approximately 130 feet west from Twin Peaks Drive, allowing for the re- quired sight distances at the intersection. Plans related to this condi- tion shall be submitted for review and approval by the Zoning Administrator and the Public Works Department, with the filing of the Final Subdivision Map. 15. Provide for all-weather walkways having a minimum width of 4 feet on at least one side of the roads serving Subdivision 7307, on and off site from Arbutus Drive. Provide for two all-weather walkways or paths having a minimum width of 4 feet within a landscaped 10 foot wide easement connect- ing to the school property contiguous to the west boundary, from the cul-de-sac turnaround of Twin Peaks Drive in the vicinity of lots 2 and 3 from Royal Glen Drive in the vicinity of lots 10, 11 and 12 and provide for the School District's agreement to these pathway connection with the filing of the Final Map. 16. Any lot not meeting the criteria set forth in Conditions #3-7 or the reports required by Conditions #3-7 shall be adjusted so they do or be eliminated. ADVISORY NOTES A. The applicant will be required to comply with the requirements of the Bridge/Thoroughfare Fee Ordinance for the Countywide Area of Benefit as adopted by the Board of Supervisors. Currently the fee for the Central region of the County is $2,300 for each added single family residence. B. The applicant will be required to comply with the drainage fee requirements for Drainage Area 67 as adopted by the Board of Supervisors. C. Comply with the requirements of the Contra Costa Consolidated Fire Protec- tion District. BT/GA/df subl4:sub7307c.bt 8/31/89 1/24/90