ORD 1693 - Laserfiche WebLink

d. Create a contained and covered area on the site for the storage of bags, cement, paints, oils, fertilizers, pesticides, or other materials used on the site that have the potential of being discharged into the storm drain system through being windblown or in the event of a material spill. e. Never clean machinery, equipment, tools, brushes, or rinse containers into a street, gutter, or storm drain. f. Ensure that concrete/gunite supply trucks or concrete/plaster operations do not discharge wash water into street, gutters, or storm drains. Urban Clean Water Run-Off 71. The applicant shall install a structural control, such as an oil/water separator, sand filter, or approved equal in the parking lots to intercept and pretreat storm water prior to reaching the storm drain. The design, locations, and a schedule for maintaining the separator shall be submitted to the City Engineer/Director of Building Inspection for review and approval prior to issuance of building permits. The structural control shall be cleaned at least twice a year: once immediately prior to October 15 and once in January. The applicant shall enter into a maintenance agreement for the oil/water separator. 72. The trash enclosure areas shall be completely covered. An area drain shall be installed in the enclosure area which connects to the sanitary sewer. A structural control such as an oil/water separator or sand filter shall be provided. No other area shall drain into the trash enclosure; a berm shall be installed to prevent such drainage if found necessary by the City Engineer/Director of Building Inspection. A sign shall be posted prohibiting the dumping of hazardous materials into the sanitary sewer. The applicant shall notify the Dublin-San Ramon Services District (DSRSD) upon installation of the sanitary connection; a copy of this notification shall be provided to the Planning Department. 73. The applicant shall sweep or vacuum the parking lot and sidewalks a minimum of once a month and shall prevent the accumulation of litter and debris on the site. Comers and hard to reach areas shall be swept manually. If sidewalks and/or the parking lot are pressure washed, debris must be trapped and collected to prevent entry into the storm drain system. No cleaning agent may be discharged into the storm drain. If any cleaning agent or degreaser is used, wash water must be collected and discharged to the sanitary sewer, subject to approval of the Dublin-San Ramon Services District (DSRSD). 74. The applicant shall label all on-site storm drain inlets with the wording, "No Dumping -- Drains to Bay" using City-approved methods and materials. On-site storm drain facilities shall be cleaned a minimum of twice a year as follows: immediately prior to October 15 and once in January. Additional cleaning may be required if found necessary by the City Engineer/Director of Building Inspection. Conditions of Approval -- PUD-96-13 Page 12