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d. Building/Structures shall be designed to minimize the occurrence and entry of pests into buildings, thus minimizing the need for pesticides, as determined by the Chief Building Official prior to the issuance of a building permit. e. The project's landscape and irrigation plans shall be designed to: 1) minimize the use of fertilizers and pesticides that can contribute to stormwater pollution; and 2) promote surface infiltration. Prior to the installation of project landscaping and irrigation, the project landscape architect shall submit a landscaping and irrigation plan to the City Engineer for review and approval and submit written verification stating the project incorporates the following: i. Plants tolerant of saturated soil conditions and prolonged exposure to water in areas that provide detention of water. ii. Plants and soil amendments appropriate to site specific characteristics such as topography and climate. iii. Landscaping and irrigation consistent with Bay-Friendly Landscaping. iv. Water conservation techniques to promote surface infiltration. f. Trash dumpsters and recycling containers shall be in an enclosed and roofed area to minimize water flowing in and from the area and to contain litter and trash to minimize disbursement by the wind or runoff. These areas shall not drain to the storm drain system, but to the sanitary sewer system and an area drain shall be installed in the enclosure area with a structural control such as an oil/water separator or sand filter. No other area shall drain into the trash enclosure; a ridge or a berm shall be constructed to prevent such drainage if found necessary by the City Engineer/Chief Building Official. A sign shall be posted prohibiting the dumping of hazardous materials into the sanitary sewer. g. All paved outdoor storage areas shall be designed to minimize pollutant runoff. Bulk materials stored outdoors that may contribute to the pollution of stormwater runoff must be covered as deemed appropriate by the City Engineer/Chief Building. h. All metal roofs, gutters, and downspouts shall be finished with rust-inhibitive finish/paint as determined by the Chief Building Official. i. All projects using architectural copper roofing, gutters, downspouts, etc., shall • • utilize the following Best Management Practices for the use and maintenance: i. During installation, copper material shall be pre-patinated at the factory, if available. If patination is done on-site, collect the rinse water in a tank and haul off-site for disposal. With prior authorization from Dublin San Ramon Services District (DSRSD), the rinse water may be collected in a tank and discharged to the sanitary sewer. Consider coating the copper materials with a clear coating that prevents further corrosion and stormwater pollution. The clear coating, if utilized, shall be reapplied (as recommended by the coating manufacturer) to maintain its efficacy. PUD-85-02-02D-06M, Lexus of Pleasanton Page 19 of 23