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SANJ O A Q U I N Environmental Health Department COUNTY 6 . Email notification to ust(Wsigov . orq to arrange the following inspection appointments . All appointments must be scheduled at least 48 hours in advance . INSPECTIONS PRIOR TO BACKFILL a) Inspection of tank vacuum gauge or for brine leaks prior to tank placement in excavation . 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 backfill . c) Primary tank test, in accordance with manufacturer specifications . d ) Primary piping test: Soap test of all piping joints and penetrations ( product, vapor recovery , vent, and chase ) , and pressure testing — hydrostatically at 150 % of design operating pressure or pneumatically at 110 % of operating pressure . If the calculated test pressure is less than 40 psi , 40 psi shall be used as the test pressure . Testing must be conducted in accordance with manufacturer specifications and California Code of Regulations ( CCR) Title 23 . e) Secondary piping test: Soap test of all piping and penetrations ( product , vapor recovery , vent, and chase) , and pressure test, in accordance with manufacturer specifications . f) Verification of secondary piping slope for all piping ( product, vapor recovery , vent , and chase) at 1 /8 inch per foot or greater, to a containment sump with an audible and visual alarm . Piping slope must be adequate at the start of this inspection , with all piping in its final position and ready to be backfilled without adjustments per the manufacturer' s installation instructions . g ) Verification of all pipe setbacks , cross-overs , and burial depth , in accordance with manufacturer specifications , and verification of appropriate piping backfill . h ) Integrity testing of all sumps , in accordance with manufacturer specifications . i ) Verification of brine type , and witnessing of initial brine addition in all brine-filled sumps and/or UDCs . INSPECTIONS 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 and tester certifications are required . Passing ELD test results must be submitted to the EHD within 60 days of testing . ELD test results must be received by the EHD before written approval to deposit fuel will be issued . m ) Verification of liquid and vapor tightness component 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, verification of external audible/visual alarm activation when tank is 90 % full , or other approved method . o ) Spill bucket test : Verify minimum 5-gallon capacity . Pass a one hour hydrostatic test ( or equivalent) . Verify proper drainage method . p ) Monitoring system functionality : Functionality of the monitoring system , including all liquid and vacuum sensors , must be verified to ensure it meets the requirements of CCR Title 23 and California Health & Safety Code ( HSC ) Chapter 6 . 7 . 2 of 4