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whereby all 4 pumps can run in sequence and properly discharge a full <br />timed dose. No pump shall run a partial dose. <br />2.4 BEDDING AND COVER MATERIALS <br />A. Pipe Bedding Material: As specified in San Joaquin County Standards and <br />Specifications. <br />B. Pipe Cover Material: As specified in San Joaquin County Standards and <br />Specifications. <br />C. Septic Tank Backfill: As specified in the Manufacturer Installation Manual and <br />Operating Guidelines for Fiberglass Underground Storage Tanks in effect at time <br />of installation. <br />D. Tracer wire: Magnetic detectable conductor, brightly colored plastic covering, <br />imprinted with appropriate utility label in large letters. <br />E. Marker Tape: Bright colored, continuously printed, minimum 6 inches wide by 4 <br />mil thick, manufactured for direct burial service. <br />12-3 EXECUTION <br />3.1 TRENCHING <br />A. Refer to San Joaquin County Trenching and Backfilling for requirements. <br />3.2 TESTING AND INSTALLATION —SEPTIC TANKS <br />A. Tank shall be tested according to the Manufacturer Installation Manual and <br />Operating Guidelines for Fiberglass Underground Storage Tanks in effect at time <br />of installation. <br />B. Tank shall be installed according to the Manufacturer Installation Manual and <br />Operating Guidelines for Fiberglass Underground Storage Tanks in effect at time <br />of installation. The tanks shall be air pressure tested by the manufacturer prior <br />to assembly or shipping to the site. <br />C. Contractor shall be trained by the tank manufacturer, the State, or other <br />approved agency. <br />D. Once installed the septic tanks and all sumps shall be leakage tested by filling the <br />vessel with water to within 6" of the rim of the risers and left to sit with no <br />leakage for at least 24 hours. <br />91lc111111111111119l►[► _ _ IESI►RS 1711 LOW <br />SP 30 <br />