COMPLIANCE INFO_2001-2004 - Laserfiche WebLink

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3.0 Tank Installation • Shore, brace, or slope excavation as necessary. • Install anchor to existing hold down pad. • Dig trenches for utilities and product lines. • Backfill bottom of excavation with pea gravel 12 inches above top of pad. • Perform a Holiday test on the fiberglass jacket to insure complete corrosion protection • Install new double wall underground storage tank. • Strap tank to hold down pad. • Backfill excavation with pea gravel in maximum 12 inch lifts. • Install utilities and piping • Perform testing with LIA to insure quality of workmanship Perform a tank tightness test with 5psig of air pressure on the primary tank. • Perform a product line tightness test with a minimum of 50 psig of air pressure for 1 hour. • Perform a vent and vapor return line tightness test with a minimum of 5 psig of air pressure for 1 hour. • Perform a secondary line tightness test with a minimum of 5 psig for 30 minutes. (Air pressure to remain during the backfilling process ) • Perform a lake test on the fill containment sump, turbine containment sump, dispenser containment sump, and the over spill boxes which the container will be fill above the highest penetration and no leakage will occur in a span of 24 hours. • Backfill to sub grade per the manufactures recommendations. • Form, place & pour concrete island, tank top, and drive pad. • Install dispenser • Performance test on the monitoring and leak detection system in the presence of the LIA. • Third party testing on the calibration of the dispenser, precession tightness of the tank, precession tightness of the product line, vapor recovery back-flow resistance test, and fuel storage tank fugitive emission test. • Train site personnel on the operations and maintenance of the fuel storage tank system.