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SA N 1 O A Q U I N Environmental Health Department <br /> t r lll „ 1TY <br /> F . SYSTEM PIPING CONTINUED : <br /> Check <br /> Box Rection <br /> 13 HSC c Piping compatible with material intended to be stored . <br /> 25290. 2 c 1 <br /> 23 CCR <br /> V 2631 (b) Design and construction of piping approved by independent testing organization (e. g . UL) . <br /> Pi in , including vent lines , sloped toward tanks with minimum 1 /8 inch sloe per 1 foot of run . <br /> 2 290. 1 k Vapor recovery , fill riser, and vent line piping are secondarily contained . <br /> N 25290. 2 c;&0) <br /> G . OVERSPILL/ OVERFILL PREVENTION : <br /> Check C <br /> Box Sec elon <br /> 23 CCR Overspill containment having minimum caoarity of 5 ciallons provided at each tank fill location . <br /> vt 2635(b) Manufacturer ( ) PW Model DPV1 - t0 =0VtaV9 Pgme� <br /> Approved overfill prevention device provided at each tank fill location . <br /> Choose One of the following methods : <br /> _ 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 /> i- 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 /> 2635(b)(2) audible alarm at least five minutes before the tank overfills <br /> V Provide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> capacity . <br /> 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 nFw Model 0P'A71Su -4100 , <br /> H . CORROSION PROTECTION : <br /> Check Code <br /> Box Section <br /> 0 Fiberglass reinforced plastic ( FRP ) <br /> Piping corrosion protection ' i _ i Steel with cathodic protection or impressed current <br /> 23 CCR u Steel isolated from contact with backfill <br /> 2636(b) <br /> d FRP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection : 1i[I <br /> Anode <br /> g�d23 <br /> 35(a)( 2) [ISteel 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 />