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RECEIVEP <br /> vironmental Health Department <br /> SAN JOAQUIN p t <br /> - - C u NTY - - ucr 1 2021 <br /> ENVIRONMENTAL HEALTH <br /> F . SYSTEM PIPING CONTINUED : DEPARTMENT <br /> Check Code <br /> Box Section <br /> 25250. 1 c; 1 Piping compatible with material intended to be stored , <br /> 25290.2 c 1 <br /> 23 CCR <br /> pQ 2631 (b) Design and construction of piping approved by independent testing organization e. q . UL) , <br /> BI Piping, including vent lines , sloped toward tank(s) with minimum 1 /8 inch slope per 1 foot of run . <br /> 25290. 1k Vapor recovery, fill riser, and vent line piping are secondarily contained , <br /> jt 25290. 2c;&Q) <br /> G . OVERSPILL/ OVERFILL PREVENTION : <br /> Check Code <br /> Box Section <br /> 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location , <br /> �( 2635(b) Manufacturer OPW Model P511- EVRDV <br /> Approved overfill prevention device provided at each tank fill location . <br /> Choose One of the following methods : <br /> X Alert the transfer operator when the tank is 90 percent full by restricting the flow into the tank or <br /> triggering an audible visual alarm <br /> X Restrict delivery of flow to the tank at least 30 minutes before the tank overfills , provided the <br /> 23 CCR restriction occurs when the tank is filled to no more than 95 percent capacity ; and activate an <br /> X 2635(b)(2) audible alarm at least five minutes before the tank overfills <br /> $1 rovide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> C acity, <br /> X Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the <br /> tank are exposed to product due to overfilling . <br /> Manufacturer OPW Model71S&410CT <br /> H . CORROSION PROTECTION : <br /> Check Code <br /> BOX Section <br /> Fiberglass reinforced plastic ( FRP) <br /> Piping corrosion protection : ❑ Steel with cathodic protection or impressed current <br /> X 26 CR ❑ Steel isolated from contact with backfill <br /> FRP or equivalent non-metallic exterior coatings or coverings <br /> CR Tank corrosion protection : ❑ Sacrificial Anode <br /> 2635(a ) (2) ❑ Steel tank with field installed cathodic protection or impressed <br /> current <br /> Tie-downs , when used , constructed of non-corrosive material or coated steel . <br /> 7of8 <br />