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Best Management Practices K. The Developer shall comply with MHSWMP policies, MHSWMP mitlgaHon measures antl Phase I antl 11 NPDES permit requir¢ments, including th¢ preparation antl implementation of an SWPPP that outlines B. M.P.s to ba followed to minimize erosion and sedimentation during project construction antl operation. 1. The Developer shall install catch basin filt¢rs, Waiar D¢contaminator per MHCSD Stantlard Specification and Details, and/or other source control Bast Management Practices (B_M.Ps) for runoff from the project prior to issuance of the building Permit. Construction -Related Erosion: The Developer and/or contractor shall comply with applicable NPDES General Construction Activities Storm Water Permit requ(rements establishetl by the Claan Water Act. Pursuant to the NPDES Storm Water Program, an application for coverage under the statewide General Construction Activities Storm Water Permit (General Permit) shall b¢ obiain¢tl for project d¢velopmant prior to the issuance of gratling permits. The Developer and/or contractor shall obtain coverage under the General Parmlt by filing a Notice of Intent with the Stare Water Resource Control board's (SW RCB) Division of Water Quality. Tha filing shall describe erosion control and stormwater treatment measures to ba Implemented during and the following construction and provitle a schedule for monitoring performance. MHCSD approved B.M.P.s shall serve to control point and non -point source pollutants in stormwater and shall constitute the project's stormwat¢r pollution prevention program (SWPPP) for construction activities. Timing: All applicable permits shall be obtained prior to the Issuance of grading permits for the project. m. Project Developer shall develop antl submit a Project stormwater Pian that identifies the methods to be employed to reduce or eliminate stormwater pollutant discharges through the construction, operation, antl mal ntenance of source control measures, low impact tlevelopment design, site design measures, stormwater treatment control measures, and hydro modification control measures. n. Runoff from non-resitlential areas shall be pretreated on-site before tlischarg¢ into the MHCSD public stormwater collection system. o. Catch basin inserts -(Decontaminators) shall be installed in each storm tlrain inlet structure. The tlecontaminator shall comply with MHCSD Detail SD -22. The type of decontaminators has to be pre -approved by MHCSD.•' p. "A'No Dumping' marker shall be install¢d at each catch basin after the catch -basin is installed per Detail SD -04." q. Grates and In -lets shall be protected with geo-fabric material during any nearby construction. r. The contractor will be responsible for purchasing, installing. and maintaining all the catch basins and other storm drain Inlets and tlecontaminators before antl tluring construction. After construction the management shall maintain the all catch basins and other storm drain inlets and decontaminators in perpetuity. s. Recyclable Construction Waste: Recycling of construction wastes, such as wootl and metal, shall be matle part of the improvement plans and construction specifications for contractors in compliance with -MHCSD requirements. t. Designated Waste Hauler Provider: The MHCSD's designated waste hauler, West Valley Disposal, shall be used for disposal of waste malarial and recycling of recyclable materials. No other waste haulers are allowetl. PA -2i 00287 —Conditions of Approval