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HomeMy WebLinkAboutResolution 92-018 02/03/1992;. Resolution No. 9z-ls N C.s. of the City of Petaluma, California A RESOLUTION APPROVING A TENTATIVE MAP FOR THE TWIN CREEKS RESIDENTIAL SUBDIVISION, A 44 SINGLE FAMILY RESIDENTIAL PROJECT LOCATED AT THE CONFLUX OF WASHINGTON AND LYNCH CREEKS AND THE PETALUMA RIVER (APN 007-221-19, 136-100-21, 26, 29, 31, 32, 33, and a portion of 34) WHEREAS, HYH Corporation filed with this Council in August of 1988 a Tentative Map application for a Subdivision known as Twin Creeks; and WHEREAS, an Environmental Impact Report was prepared and the Council certified as adequate the .Environmental Impact Report in June of 1990 by Resolution No. 90-182 but denied without prejudice the tentative map application; and WHEREAS, HYH corporation filed with this Council in August of 1990 a revised Tentative Map application for the SUBDIVISION known as Twin Creeks; and has paid all required filing fees; and WHEREAS, a Environmental Impact Report and a Supplemental Environmental Impact Report were prepared and certified as adequate by Resolution Nos 90-182 N.C.S. and 92- 11 N.C.S.; and WHEREAS, a Subdivision Ordinance Modification .has been approved by Resolution No. 92-17 N.C.S. to permit four double-frontage lots within the SUBDIVISION. NOW THEREFORE BE IT RESOLVED, that this Council hereby finds as follows: Findings: 1. The proposed subdivision, together with provisions for its design and improvement, as conditioned to eliminate or re-configure lots 16 and 17 and the modification of the map to provide a single loaded street is consistent with the General Plan policies pertaining to improving views and access of the Petaluma River. The elimination of lot 17 and the reconfiguration and deferment of development of the other lots to the west of Holly Street will be consistent with the City's commitment to provide 100 year flood protection. 2. The site as conditioned to reduce impacts from flooding is physically suitable for the type of development proposed. 3. The density is comparable to the surrounding neighborhoods and the site is physically suitable for the proposed density of development. 4. The parcel map provides reasonable public access on a public road to the proposed lots as modified to provide two access points. 5. The proposed map, subject to the following conditions, complies with the requirements of the Municipal Code, Chapter 20.20 and the Subdivision. Map Act. Reso. 92-18 NCS Res. No .............. ~.............. N.C.S. 6. As demonstrated in the FEIR and the FSEIR, The design of the subdivision and the proposed improvements as mitigated and conditioned will not cause substantial environmental damage, and no substantial or avoidable injury will occur to fish or wildlife or their habitat. 7. The design of the subdivision as mitigated to require raising the roadway and the type of improvements proposed will not cause public health problems. 8. An EIR and Supplemental EIR .have been prepared to address potential impacts and the project has been reviewed in accordance with the requirements of the California Environmental Quality Act (CEQA) ursuant to CEQA Section 15315, and the City Council has certified the adequacy of said EIR and SEIR. BE IT FURTHER RESOLVED, based on the findings set forth above, that the proposed Twin Creeks Tentative Map is hereby conditionally approved, subject to the conditions set forth and incorporated .herein as follows: Conditions: The applicant must comply with the following conditions of the City Engineering. Department: The bridge, across Washington Creek, shall be 36' to 37' wide subject to approval by the City Traffic Engineer and shall have the minimum freeboard, as required by Sonoma County Water Agency during the 100-year discharge. Design constraints shall include balancing cut and fill according to the City of Petaluma Zero Net Fill requirements and avoiding any increase in the water surface elevation in a 100-year event before and after bridge configurations. 2. No construction of buildings or net increase of fill shall occur within the flood-way. If stabilization and/or protection work is required, work shall be subject to review and approval of all appropriate regulatory and advisory agencies. 3. Grading plans shall comply with the City's Grading and Erosion Control Ordinance 1576 N.C.S. and include provisions to avoid silt entering the Petaluma River and Washington Creek from graded areas during construction periods, subject to review and approval of City staff. Grading plans shall also include an erosion control plan, subject to review and approval of City staff. The erosion control plan shall specify measures to reduce both short and long-term erosion problems. The plan shall address the following: a. Location of all areas where soil and vegetation are to be removed b. Location of fill c. Method of stabilizing the areas d. Areas to be re-vegetated, method, types of vegetation and time for re- vegetation. e. Methods to reduce run-off from graded. f. Grading shall not be allowed from October 1 through April 15, the rainy season. 4. This development shall comply with all recommendations as stated in the soils report for this project. Reso. 92-18 NCS 2 5. In order to maximize compliance with the proposed Army Corps of Engineers Flood Control Project and avoid any re-contouring of land in the future, the location of the excavated area shall start at the existing top of bank, within the proposed channel portion of the Corps flan (not the bench area) as shown in the SEIR, Figure 8. Actual quantity of soil to be removed shall. be no less than that amount necessary to comply with the City's Zero Net Fill policy. 6. In accordance with PMC Section 17.30.020 Storm Drainage Impact Fees; payment of fees is required for all residential developments which cause an increase in run- off less than two acre feet. Because of the sensitive nature of this area, it is recommended that the City Council require installation of a storm water detention basin and that the storm drainage impact fee be reduced in accordance with PMC Section 17.30.040 Reduction of Fees. Design and construction of this basin shall comply with the City's Zero Net Fill Policy, Ordinance 1782 and reduce loss of riparian habitat, the development of the site shall be designed in conformance to insure no net increase in flood elevations either upstream or downstream of the project site. To avoid increases in peak flows downstream from this development, all flows in excess of existing storm-water flows shall be detained on-site for up to 100-year recurrence interval storm. Outflow from the storm-water detention facilities shall be regulated by a weir. The configuration of the device shall be based upon the 100-year recurrence interval storms. A mechanism for perpetual maintenance of the detention pond in functional and aesthetically pleasing form shall be required for as long as detention pond is necessary. 7. Parcels B & C shall be dedicated to the City and transferred at such time as the agency responsible for maintenance is determined. 8. All sidewalks/meandering paths within this project shall be a minimum of 5' wide. 9. Clarification shall be provided as to what extent of grading is proposed at the confluence of the Petaluma River and Washington Creek at the time of improvement plan review. The extent of grading is unclear on the tentative map and appears to have inadequate drainage. 10. All drainage improvements including Petaluma River excavation, Zero Net Fill compliance and detention pond adequacy shall be to the satisfaction of the City Engineer and Sonoma County Water Agency. 11. A 4-way stop shall be provided at the intersection of Ellis and Madison Streets. 12. All sanitary sewer manholes shall have watertight lids. 13. A private storm drain maintenance agreement between Lots served by this system shall be submitted in a recordable form. This agreement shall also specify timing of maintenance and be in a form acceptable to the City staff, and recorded concurrent with the final map. 14. If positive lot drainage cannot be obtained then all backyard drainage control. shall be within an underground pipe system with surface catchment swales and inlets. Reso. 92-18 NCS 3 15. All public storm drains shall be installed in a public street. A single outlet pipe into the River maybe installed within the landscape open space, if contained within a 10 foot exclusive easement dedicated to the City. 16. All street lights within this development shall have standard metal fixtures dedicated to the City for ownership and maintenance. Prior to City acceptance, the developer shall verify all lights meet PG&E's LS2 rating system. 17. Signing and striping shall conform to City Standards. 18. Water pressure calculations shall be required for this development verifying the system adequacy for fire flows and domestic service. (This item shall be verified concurrent with improvement plan review). 19. The storm drainage outfall shall be designed in accordance with Sonoma County Water Agency. 20. A 10' PUE shall be dedicated adjacent to the public right-of-way as required by the utility companies. 21. This development shall be required to contribute to the City's Major Traffic facilities fee. 22. All overhead utilities fronting or traversing the site, 15KV or less, shall be underground. 23. Landscape parking island shall be provided in the cul-de-sac area of Twin Creeks Court. 24. Sidewalk shall continue along the northerly lot frontages of Holly Court. 25. Height and extent of vegetation shall be to the satisfaction of the City Traffic Engineer along Lots 30, 29, 28 and 27 so as to provide adequate site distance. 26. "No Parking" signs shall be posted from the corner of Twin Creeks Court and along the frontages of Lots 30, 29, 28 and 27 to provide adequate site distance. Parking will be allowed across the street. The applicant must comply with the following conditions of the City Fire Marshall: 27. Provide and install equipment and computer monitoring hardware at the Washington Creek Bridge on Ellis Street and at Fire Department Headquarters. 28. Design cul-de-sac on Twin Creek Court with parking spaces in landscape island. Install "No Parking" signs around cul-de-sac bulb. The applicant shall comply with the following conditions of the Planning Department: 29. The applicant shall satisfy all standards and design criteria of the Sonoma County Water Agency as outlined in their letter to the City of Petaluma dated 12/4/91. Resol 92-18 NCS 4 30. The tentative map and related improvements shall be subject to approval by SPARC prior to recording the final map. 31. The applicant shall be responsible for the formation of a landscape assessment district to establish and maintain all landscaping within the public right of way and on mitigation areas to be dedicated to the City. 32. The applicant shall obtain an estimate on the cost of replanting the area within the 220' Army Corp project, with riparian species which, is to be altered by the completion of this project. The applicant shall provide the City with a Certificate of Deposit prior to final map approval to cover the cost of this re-planting job to be used to replant the area after completion of the Army Corp Project. 33. The mitigation measures proposed by the Environmental Impact Report (as listed in Resolution No. 9~: ~KCertifying the adequacy of the Supplemental EIR) are hereby incorporated as conditions of approval for the Tentative Map twintmr/dd3 Under the power and authority conferred upon this Council by the Charter of said City. REFERENCE: I hereby certify the foregoing Resolution was introduced and adopted by the ..--- a to Council of the City of Petaluma at a (Regular) (~~4~~~Xe~~4) meet'i~fg on the ....-.3rd............ day of .........-.E~b•~.u~ty ............................. 19.52.., by the following vote: •••••••• - --- i ttor , ey AYES: Davis, Cavanagh, Nelson, Vice. Mayor Woolsey, Mayor Hilligoss NOES: None ABSENT: Re , obel ATTEST: -•----...- ...(~..(,~l~.X.~t~.~l./. - -- -• . ... ........... CA 10-85 Council File ...... ................ .. . pp ----.. Res. No..........9. ...~.5?...... N.C.S.