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EXHIBIT A <br /> design, locations, and a schedule for maintaining the separator shall be submitted to <br /> the City Engineer/Chief Building Official for review and approval prior to issuance of <br /> building permits. The structural control shall be cleaned at least twice a year: once <br /> immediately prior to October 15 and once in January. <br /> c. The project developer shall submit sizing design criteria to treat stormwater runoff <br /> and for hydromodification, if required, at the time of PUD plan submittal and an <br /> updated detailed copy of calculations with subsequent submittals. <br /> d. Landscaping shall be designed to minimize irrigation and runoff, promote surface <br /> infiltration where appropriate and acceptable to the project soils engineer, and <br /> minimize the use of fertilizers and pesticides that can contribute to stormwater <br /> pollution. <br /> I. Structures shall be designed to prohibit the occurrence and entry of pests into <br /> buildings, thus minimizing the need for pesticides. <br /> II. Where feasible, landscaping shall be designed and operated to treat <br /> stormwater runoff. In areas that provide detention of water, plants that are <br /> tolerant of saturated soil conditions and prolonged exposure to water shall be <br /> specified. Soil shall be amended as required. (See planting guide line by <br /> Alameda County Clean Water Program.) <br /> III. Plant materials selected shall be appropriate to site specific characteristics <br /> such as soil type, topography, climate, amount and timing of sunlight, <br /> prevailing winds, rainfall, air movement, patterns of land use, ecological <br /> consistency and plant interactions to ensure successful establishment. <br /> IV. Landscaping shall also comply with City of Pleasanton ordinances and <br /> policies regarding water conservation. <br /> e. Trash areas, dumpsters and recycling containers shall be enclosed and roofed to <br /> prevent water run-on to the area and runoff from the area and to contain litter and <br /> trash, so that it is not dispersed by the wind or runoff during waste removal. These <br /> areas shall not drain to the storm drain system, but to the sanitary sewer system and <br /> an area drain shall be installed in the enclosure area, providing a structural control <br /> such as an oil/water separator or sand filter. No other area shall drain into the trash <br /> enclosure; a ridge or a berm shall be constructed to prevent such drainage if found <br /> necessary by the City Engineer/Chief Building Official. A sign shall be posted <br /> prohibiting the dumping of hazardous materials into the sanitary sewer. The project <br /> developer shall notify the Dublin-San Ramon Services District (DSRSD) upon <br /> installation of the sanitary connection; a copy of this notification shall be provided to <br /> the Planning Department. <br /> f. All paved outdoor storage areas shall be designed to minimize pollutant runoff. Bulk <br /> materials stored outdoors that may contribute to the pollution of stormwater runoff <br /> must be covered as deemed appropriate by the City Engineer/Chief Building Official <br /> and as required by the State Water Board. <br /> g. All metal roofs, if used, shall be finished with rust-inhibitive paint. <br /> h. Roof drains shall discharge and drain away from the building foundation. Ten percent <br /> of the stormwater flow shall drain to landscaped area or to an unpaved area <br /> wherever practicable. <br /> Page 13 of 16 <br />