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-2- Mo Hatef Community Development Department PA-1700109(SA) 5. The developer shall provide drainage facilities in accordance with the San Joaquin County Development Standards. Retention basins shall be fenced with six(6)foot high chain link fence or equal when the maximum design depth is 18 inches or more. Required retention basin capacity shall be calculated and submitted along with a drainage plan for review and approval, prior to release of building permit. (Development Title Section 9-1135) 6. This project falls within the definition of a Regulated Project as defined in either the County Post- Construction Standards Manual or the County Phase II National Pollutant Discharge Elimination System (NPDES)permit and shall comply with the following conditions: a. A registered professional engineer shall design a system or combination of systems to infiltrate,treat, and/or filter the 85th percentile storm as defined in the County's Post-Construction Standards Manual. The system design shall follow standards as outlined in the 2009 Storm Water Quality Control Criteria Plan or in the"California Association of Stormwater Quality Agencies"(CASQA) publications and comply with the conditions of the County Phase II NPDES permit. CASQA documents are available at www.casga.org b. Owner shall submit a"Storm Water Pollution Prevention Plan"(SWPPP)to Public Works for review. A SWPPP preparation guide is available at the Department of Public Works. A copy of the SWPPP shall be maintained on the construction site and presented to any County, State or Federal employee on demand. The SWPPP onsite shall include all required records,updates,test results and inspections. The post construction chapter of the SWPPP must identify expected pollutants and how they will be prevented from entering the storm system. The chapter shall also contain a maintenance plan,a spill plan,and a training plan for all employees on proper use,handling and disposal of potential pollutants. The example plans are available in the CASQA handbooks. c. A Maintenance Plan shall be submittedandthe execution of a Maintenance Agreement with San Joaquin County shall be required for the owner/operator of stormwater controls prior to the release of the building permit. d. Owner shall be responsible for providing the County with an annual report of operation and maintenance of any system.The property owner shall also be responsible for the payment to the County of an annual system inspection fee established by Resolution of the Board of Supervisors. e. Standard Best Management Practices,for the type of development proposed,shall be incorporated into the site design. f. Wastewater shall NOT be allowed into the storm drainage system. Informational Notes: (i.) Future expansion of the site may require a Traffic Impact Study. (ii.) A Solid Waste Diversion Plan for all applicable projects must be submitted to the Building Division of the Community Development Department prior to issuance of the building permit. Contact the Solid Waste Division(468-3066)for information.