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S A NJ 0 A Q U I N <br />L..L,L .. COUNTY <br />Jr <br />Greatness grows here. <br />September 10, 2020 <br />Chesney Consulting <br />Don Chesney <br />P.O Box 3794 <br />Turlock CA, 95381 <br />Environmental Health Department <br />Wayne Fox, REHS, Interim Director <br />Muniappa Naidu, REHS, Assistant Director <br />COPY <br />RE: OWTS Plan Check Review <br />Delta Charter Schools <br />31199 S. Koster Rd, Tracy <br />APN 255-310-40 & 255-310-19, SR0082464 <br />PROGRAM COORDINATORS <br />Robert McClellon, REHS <br />Jeff Carruesco, REHS, RDI <br />Willy Ng, REHS <br />Michael Kith, REHS <br />Melissa Nissim, REHS <br />The San Joaquin County Environmental Health Department (EHD) has reviewed the Wastewater <br />System Design (the Plan) prepared by register professional engineer Ryan W. Carlson & Modus <br />Systems, Inc. dated June 30, 2020 for the Delta Charter Elementary School and submitted on August <br />13, 2020. <br />The proposed Onsite Wastewater Treatment System (OWTS) design includes installation of Jensen <br />precast 7,500 gallon septic tank, dual sump pumps and 12- 100 ft leach lines. The proposed OWTS <br />design is based upon wastewater usage of 4,032 gallons per school day resulting from 420 students, <br />22 teacher and 10 administration staff. <br />The proposed septic design is approved with the following conditions: <br />1. Obtain engineer designed septic system permit from environmental health department prior <br />to construction. <br />2. The soil cover over the Jenson precast 7,500 -gallon traffic rated septic tank shall not exceed <br />6 ft. <br />3. The septic tank shall be at least five (5) feet from any property line and five (5) feet from any <br />foundation, structure, swimming pool or driveway if the tank is watertight. <br />4. The audible and visual alarms must be located in an area that can be readily seen and heard. <br />5. Rock used for filter material shall be one inch to two and one-half inches in diameter. <br />6. Proposed sanitary sewer line shall be equipped with a cleanout every 100 feet. <br />7. The proposed septic system shall meet setback requirements from all domestic and public <br />water wells. <br />If you have any questions please contact Naseem Ahmed, Registered Environmental Health <br />Specialist, REHS, at nahmed@sjgov.org or (209) 468-3436. <br />ichael Kith, REHS <br />Program Coordinator <br />C: New Jerusalem Elementary School District <br />1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/ehd <br />