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SAN J O A Q U I N Environmental Health Department COUNTY 5 . Provide written notification to ust@sjgov . org to arrange the following inspection appointments . All appointments must be scheduled 48 hours in advance . PRIOR TO BACKFILL a) Inspection for brine leaks prior to tank placement in excavation . All tank pre-installation tests shall be performed according to tank manufacturer instructions . b) Verification of tank set , anchorage , appropriate backfill , and appropriate additional corrosion protection of tank anchors (turnbuckles , eye bolts , etc . ) . Additional corrosion protection is required on all exposed metal prior to covering . c) Primary tank test , according to manufacturer' s specifications . d ) Primary piping soap test of all piping and penetrations ( product, vapor recovery , and vent) : One - hour pneumatic pressure test at 110 % of operating pressure , or 40 psi , whichever is greater, in accordance with manufacturer installation instructions . e ) Verification of secondary piping slope at 1 /8 inch per foot or greater, to a containment sump with an audible/visual alarm . f) Secondary piping soap test of all piping and penetrations ( product, vapor recovery , and vent) : One- hour pressure test at the manufacturer' s recommended specification . g ) Verification of all pipe setbacks , cross-overs , and burial depth according to the manufacturer' s installation instructions and verification of appropriate piping backfill . h ) Integrity testing of all sumps per the manufacturer' s installation instructions . i ) Verification of brine type and witnessing of brine addition . PRIOR TO FIRST FUEL DELIVERY j ) Verification of leak monitoring communication for all installed vacuum , pressure , or hydrostatic (VPH ) components including piping , sumps , under dispenser containment sumps ( UDCs) , and all chase lines . Communication at end points of each vacuum zone and each vacuum monitored sump must be verified independently in operating condition . k) Verification of the dispenser footprints contained by the UDCs . Any potential leaks from piping and fuel filters must drain directly into UDCs . 1 ) Enhanced Leak Detection ( ELD ) testing , after facility is in operating condition . Appropriate test notification , tester certifications , and test method disclosure is required . Passing ELD test results must be received prior to receiving fuel . m ) Verification of VPH components installation (shroud boots and band clamps for spill containers , appropriate rubber-type gasket or clamps on lids on all fill , vent and STP sumps , etc . ) . n ) Verification of overfill prevention : Measurement of drop tubes to verify 95 % tank volume shut off and /or verification that external audible/visual alarm activates when tank is 90 % full . o) Spill bucket test: Verify minimum 5-gallon capacity and pass a one hour hydrostatic test (or equivalent) . Proper drainage method must be verified . p) Monitoring system functionality : Functionality of the monitoring system must be verified to ensure it meets the requirements of California Code of Regulations ( CCR) Title 23 and California Health & Safety Code ( HSC ) Chapter 6 . 7 . PRIOR TO FINAL APPROVAL q ) Leak detector test, after first fuel delivery : Leak detector must be tested to confirm that the device can detect a leak of 3 gallons per hour at 10 psi . Leak detector monitored line volumes shall be appropriate for the make and model of the installed leak detectors , and shall be verified at the time of installation . r) PRIOR TO FINAL APPROVAL : Monitoring system functionality , after first fuel delivery , in operating condition : Functionality of the monitoring system must be verified to ensure it meets the requirements of CCR Title 23 and HSC Chapter 6 . 7 . 2 of 4