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iii. Landscaping and irrigation consistent with Bay-Friendly <br /> Landscaping. <br /> iv. Water conservation techniques to promote surface infiltration. <br /> f. Trash dumpsters and recycling containers shall be in an enclosed and <br /> roofed area to minimize water flowing in and from the area and to <br /> contain litter and trash to minimize disbursement by the wind or runoff. <br /> These areas shall not drain to the storm drain system, but to the <br /> sanitary sewer system. An area drain shall be installed in the <br /> enclosure area with a structural control such as an oil/water separator <br /> or sand filter. No other area shall drain into the trash enclosure; a <br /> 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 <br /> posted prohibiting the dumping of hazardous materials into the sanitary <br /> sewer. <br /> g. All paved outdoor storage areas shall be designed to minimize <br /> pollutant runoff. Bulk materials stored outdoors that may contribute to <br /> the pollution of stormwater runoff must be covered as deemed <br /> appropriate by the City Engineer/Chief Building Official. <br /> h. All metal roofs, gutters, and downspouts shall be finished with rust- <br /> inhibitive finish/paint as determined by the Chief Building Officia <br /> i. All projects using architectural copper roofing, gutters, downspouts, <br /> etc., shall utilize the following Best Management Practices for use and <br /> maintenance: <br /> a. During installation, copper material shall be pre-patinated at the <br /> factory. If patination is done on-site; collect the rinse water in a <br /> tank and haul off-site for disposal. With prior authorization from <br /> Dublin San Ramon Services District (DSRSD), you may collect <br /> the rinse water in a tank and discharge to the sanitary sewer. <br /> Optionally, consider coating the copper materials with a clear <br /> coating that prevents further corrosion and stormwater pollution. <br /> The clear coating, if utilized, shall be reapplied (as <br /> recommended by the coating manufacturer) to maintain its <br /> efficacy. <br /> b. During maintenance, the following applies during washing and <br /> patination: <br /> i. Minimize washing of architectural copper as it damages the <br /> patina and any protective coating. <br /> ii. Block all storm drain inlets downstream of the wash. <br /> iii. Collect in a tank and dispose off-site, or discharge the <br /> wash water to the sanitary sewer (with prior authorization <br /> from DSRSD). <br /> PUD-100 Chick-fl-A <br /> Conditions of Approval (Planning Commission) Page 18 <br />