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STANDARD URBAN STORMWATER CONDITIONS OF APPROVAL <br /> The project shall comply with the California Regional Water Quality Control Board, San <br /> Francisco Bay Region, Municipal Regional Stormwater NPDES Permit, Order R2-2009- <br /> 0074, NPDES Permit No. CAS612008, October 14, 2009: <br /> (http://www.waterboards ca.gov/sanfranciscobay/board info/agendas/2003/february/02- <br /> 19-03-12fi nalto.doc.; <br /> and: <br /> http://www.waterboards.ca.gov/sa nfranciscobay/board_info/agendas/2007/march/alame <br /> da%20final%20order%20r2-2007-0025.pdf) <br /> The project shall also comply with the "Construction General Permit" by the California <br /> Regional Water Quality Control Board, San Francisco Bay Region: <br /> (http://www.waterboards ca.qov/water issues/proqrams/stormwater/construction.shtml) <br /> Design Requirements <br /> 126. The Permit design requirements include, but are not limited to, the following: <br /> a) Source control, sight design measures, and design and implementation of <br /> stormwater treatment measures are required when commercial, industrial, or <br /> residential development creates and replaces 10,000 square feet or more of <br /> impervious surface, including roof area, streets, and sidewalk. <br /> b) Hydro-modification standards are required when a new development or <br /> redevelopment project creates and replaces total impervious area of one acre or <br /> more. <br /> c) The Permit requires a proactive Diazinon pollutant reduction plan (aka Pesticide <br /> Plan) to reduce or substitute pesticide use with less toxic alternatives. <br /> d) The Permit requires complying with the Copper Pollutant Reduction Plan and the <br /> Mercury Pollutant Reduction Plan. <br /> 127. The following requirements shall be incorporated into the project: <br /> a) The project applicant or developer shall submit a final grading and drainage plan <br /> prepared by a licensed civil engineer depicting all final grades and on-site drainage <br /> control measures including bio-swales. Irrigated bio-swales shall be redesigned as <br /> needed to the satisfaction of the City Engineer to optimize the amount of the <br /> stormwater running off the paved surface that enters the bio-swale at its most <br /> upstream end. This plan shall be subject to the review and approval of the City <br /> Engineer prior to the issuance of any building permits. <br /> b) In addition to natural controls, the project applicant or developer shall install a <br /> structural control such as an oil/water separator, sand filter, or an approved equal in <br /> the parking lot to intercept and pre-treat stormwater prior to reaching the storm drain. <br /> Page 20 <br />