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09/09/2013 capacity for the proposed increment of developmenYs peak wastewater flow rate. If an inadequacy is found and the proposed increment of development represents the entire cause of the capacity shortfall, the applicant shall bear full responsibility for funding the required improvements to FOSMD's system; if the proposed increment of development does not represent the entire cause of such an incapacity, the applicant shall pay its fair share of the cost of such improvements. Finding: Implementation of Mitigation 10-2 in accordance with the policies and standards of the FOSMD Master Plan would reduce the identified wastewater collection system capacity impact to a less-than-significant level. Facts in Support of Finding: Implementation of Mitigation 10-2 would reduce the project impact on wastewater collection system capacity to a less-than-significant level through a collaborative effort between the applicant's engineer, Fair Oaks Sewer Maintenance District (FOSMD), and San Mateo County Engineering Department in accordance with the FOSMD Master Plan. These facts are described and quantified in Draft EIR chapter 10 (Utilities), section 10.2 (Wastewater), on pages 10-16 through 10-22, and appendix 21.5 (Supplemental Public Utilities Information), which are hereby incorporated by reference. tmpact: Impact 10-3: Increased Risk of Flooding Resulting from Loss of Existing Detention Storage. The project development site would be substantially reconfigured, with replacement of all existing buildings and elimination of a large part of the existing at-grade parking. If the associated regrading and construction of new buildings reduces the existing volume of on-site detention storage, flood levels on the project development site and elsewhere within the basin could rise compared to current conditions. Mitigation: Mitigation 10-3. The project shall not increase off-site flooding compared to existing conditions. Finished grades within the portions of the project development site located outside the proposed building envelopes shall be set at an average elevation that maintains, at a minimum, the existing volume of on-site stormwater detention storage, until such time as the City's downstream discharge constraints (e.g., Bayfront Canal) are resolved and the storage is no longer needed to protect the project improvements and improved properties in the adjoining neighborhoods. Project grading requirements would be based on a detailed, design-level study prepared by the project engineer and approved by the City Building, Infrastructure, and Transportation Department. The study would document the volume of storage currently available on the project development site and establish proposed grades to replicate this existing storage condition following construction of the proposed new buildings. The stormwater detention potential of the project-proposed approximately 2.4-acre publicly accessible open space and of the project-proposed greenway shall be incorporated into the design-level study. In addition, all proposed improvements that are not elevated above the 100-year flood elevation would have to be flood-proofed or otherwise protected from the effects of high water. The applicant shall develop a program by which future building tenants can be notified that vehicles parked within potential flood ATTY/RE50.2901/STANFORD EIR CERTIFICATION RESO.#15294 REV:09-10-13 VR MUFF#100 Page 43 of 55