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ii. Plants and soil amendments appropriate to site specific characteristics <br /> such as topography and climate. <br /> iii. Landscaping and irrigation consistent with Bay-Friendly Landscaping. <br /> iv. Water conservation techniques to promote surface infiltration. <br /> f. Trash dumpsters and recycling containers shall be in an enclosed and roofed <br /> area to minimize water flowing in and from the area and to contain litter and <br /> trash to minimize disbursement by the wind or runoff. These areas shall not <br /> drain to the storm drain system, but to the sanitary sewer system and an area <br /> drain shall be installed in the enclosure area with a structural control such as <br /> 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 <br /> found necessary by the City Engineer/Chief Building Official. A sign shall be <br /> posted prohibiting the dumping of hazardous materials into the sanitary <br /> sewer. The project developer shall notify the Dublin San Ramon Services <br /> District of the sanitary sewer connection and provide written verification of <br /> such notification to the City Engineer/Chief Building Official prior to the <br /> installation of the connection. <br /> g. All paved outdoor storage areas shall be designed to minimize pollutant <br /> runoff. Bulk materials stored outdoors that may contribute to the pollution of <br /> stormwater runoff must be covered as deemed appropriate by the City <br /> Engineer/Chief Building. <br /> h. All metal roofs, gutters, and downspouts shall be finished with rust-inhibitive <br /> finish/paint as determined by the Chief Building Official. <br /> i. All projects using architectural copper roofing, gutters, downspouts, etc., shall <br /> utilize the following Best Management Practices for the use and maintenance: <br /> a. During installation, copper material shall be pre-patinated at the <br /> factory, if available. If patination is done on-site, collect the rinse water <br /> in a tank and haul off-site for disposal. With prior authorization from <br /> Dublin San Ramon Services District (DSRSD), the rinse water may be <br /> collected in a tank and discharged to the sanitary sewer. Consider <br /> coating the copper materials with a clear coating that prevents further <br /> corrosion and stormwater pollution. The clear coating, if utilized, shall <br /> be reapplied (as recommended by the coating manufacturer) to <br /> maintain its efficacy. <br /> b. During maintenance (e.g., washing or re-patination), the following <br /> applies: <br /> i. Minimize washing of architectural copper as it damages the patina <br /> and any protective coating. <br /> ii. Block storm drain inlets as needed to prevent runoff from entering <br /> storm drains. <br /> 30 of 34 <br />