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(ii) Site design and landscape planning. <br />(iii) Sand filters for parking lots and rooftop runoff. <br />(iv) Frequent street and parking lot sweeping. <br />(v) Media filter devices for rooftop drain spouts (including proprietary <br />devices). <br />(vi) Biofiltration devices (bioretention features, swales, filter strips, and <br />others). <br />(vii) Proprietary control measures (if supporting documentation is provided) <br />(viii) Drain inlet filters. <br />Unless sufficient objective studies and review are available and supplied with the <br />WQMP to correctly size devices and to document expected pollutant removal <br />rates, the WQMP shall not include: <br />(i) Hydrodynamic separator type devices as a BMP for removing any <br />pollutant except trash and gross particulates, and <br />(ii) Oil and grit separators. <br />The WQMP shall not include infiltration BMPs unless they comply with design <br />guidelines and requirements specified in TC -1: Infiltration Basins in the CASQA <br />Stormwater Quality BMPs Handbook for New Development and Significant <br />Redevelopment (2003) or are specifically approved by the City Engineer and <br />shall meet Municipal NPDES Permit minimum requirements including' adequate <br />maintenance and that the vertical distance from the base of any infiltration device <br />to the seasonal high groundwater mark shall be at least 10 feet. <br />The Project Developer shall be responsible for implementation and maintenance <br />of BMPs. A BMP Monitoring and Maintenance Plan shall be incorporated as part <br />of the WQMP and shall include, at a minimum, inspection and maintenance of all <br />structural BMPs on the property, a report of non-structural BMP inspection and <br />compliance, and reporting requirements. The Monitoring and Maintenance Plan <br />must be approved by the City of Pleasanton City Engineer prior to the beginning <br />of occupancy. The Monitoring and Maintenance Plan can be administered <br />through lease agreements assigning responsibility to the occupants, through the <br />creation of a Community Services Authority (CSA) or by other means as <br />approved by the City. If property titles are transferred, the new owner shall be <br />responsible for their respective portion of the plan. <br />21. Water Supply. Prior to tentative map approval for the Staples Ranch Site, <br />sufficient water supply for the Staples Ranch Site must be verified by the City of <br />Pleasanton as described in EIR mitigation measure WS -1.1. The water supply <br />verification must include documentation of historical water deliveries for the <br />previous 20 years, as well as a description of reasonably foreseeable impacts of <br />the proposed subdivision on the availability of water resources of the region. <br />31 <br />