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regulated under the NPDES stormwater program. Operators of regulated construction sites are required to develop and implement stormwater pollution prevention plans and to obtain a construction general permit (NOI) from the State Water Resources Control Board to discharge stormwater. http: / /www.waterboards.ca.gov/ water_ issues /programs /stormwater /docs /fi nalconstpermi t.pdf Stormwater 89. The project applicant or developer shall submit a Stormwater Pollution Prevention Plan (SWPP) for review by the City Engineer /Chief Building Official prior to issuance of building or engineering permits. A reviewed copy of the SWPPP shall be available at the project site until engineering and building permits have been signed off by the inspection departments and all work is complete. A site specific SWPPP must be combined with proper and timely installation of the BMPs, thorough and frequent inspections, maintenance, and documentation. Failure to comply with the reviewed construction SWPPP may result in the issuance of correction notices, citations or stop work orders. 90. The amendments to the SWPPP and all the inspection forms shall be completed and available at the site for inspection by the city, county or state staff. 91. The project applicant or developer is responsible for implementing the following Best Management Practices (BMPs). These, as well as any other applicable measure, shall be included in the SWPPP and implemented as approved by the City. a) The project applicant or developer shall include erosion control /stormwater quality measures on the final grading plan which shall specifically address measures to prevent soil, dirt, and debris from entering the storm drain system. Such measures may include, but are not limited to, hydroseeding, hay bales, sandbags, and siltation fences and are subject to the review and approval of the City Engineer /Chief Building Official. If no grading plan is required, necessary erosion control /stormwater quality measures shall be shown on the site plan submitted for an on -site permit, subject to the review and approval of the Building and Safety Division. The project applicant /developer is responsible for ensuring that the contractor is aware of and implements such measures. b) All graded areas shall be revegetated and stabilized after completion of grading, but in no case later than October 15. Hydroseeding shall be accomplished before September 15 and irrigated with a temporary irrigation system to ensure that the grasses are established before October 15. No grading shall occur between October 15 and April 15 unless approved erosion control /stormwater quality measures are in place, subject to the approval of City Engineer /Chief Building Official. Such measures shall be maintained until such time as permanent landscaping is place. c) Gather all sorted construction debris on a regular basis and place it in the appropriate container for recycling; to be emptied at least on a weekly basis. When appropriate, use tarps on the ground to collect fallen debris or splatters that could contribute to stormwater runoff pollution. 17