RES 98032 - Laserfiche WebLink

c. Install filter materials (such as sandbags, filter fabric, etc.) at the storm drain inlet nearest the downstream side of the project site in order to retain any debris or dirt flowing -. in the storm drain system. Maintain and/or replace filter materials to ensure effectiveness and to prevent street flooding. 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 tracks or concrete/plaster operations do not discharge wash water into street, gutters, or storm drains. Urban Clean Water Run-Off 71. The applicant shall comply with the City's non-point storm water discharge ordinance. 72. If vegetative filter strips are infeasible, or the amount of m-off is deemed to be too great to be accommodated solely by the filter strips, the applicant shall install a structural control, such as an oil/water separator, sand filter, or approved equal in the parking lot 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. 73. The new trash enclosure area shall be completely covered. An area drain shall be installed in any new enclosure area which connects to the sanitary sewer. A structural control such as an oil/water separator or sand filter shall be provided for any new enclosure. 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. 74. 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 Case Z-9 7-3 10 Page B-11 Conditions of Approval