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Piping information continued- <br /> Check <br /> B e <br /> eet, <br /> HSC <br /> 25290.1(c)(1) Piping compatible with material intended to be stored. <br /> 290.2 c 1 <br /> OCR Design and construction of piping approved by independent testing organization(e.g.UL). <br /> 2631 <br /> Piping,including vent lines,sloped toward tanks with minimum 1/4 inch sloe per I foot of tun. <br /> HSC <br /> 25290.1(k) <br /> 25290.2®&O) Vapor recovery,fill riser,and vent line piping are secondarily contained. <br /> G. OVERSPILL/OVERFILL PREVENTION: <br /> Check <br /> Bax codo. <br /> non <br /> 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. <br /> 2635(b) Manufacturer 41& Model <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 /> ❑ Restrict delivery of flow to the tank at least 30 minutes before the tank overfills,provided the <br /> restriction occurs when the tank is filled to no more than 95 percent capacity;and activate an audible <br /> 23 CCR alarm at least five minutes before the tank overfills <br /> 2635(b)(2) � <br /> CYProvide 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 19VOA Model ik3e — /JVD G —� <br /> H. CORROSION PROTECTION: <br /> Check <br /> Code <br /> Section <br /> Fiberglass reinforced plastic(FRP) <br /> Piping corrosion protection: ❑ Steel with cathodic protection or impressed current <br /> 23 CCR ❑ Steel ' lated from contact with backfill <br /> 2636(b) <br /> RP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection: ❑ Sacrificial Anode <br /> 23 CCR ❑ Steel tank with field installed cathodic protection or impressed <br /> 5(a)(2) <br /> current <br /> Tie-downs,when used,constructed of non-corrosive material or coated steel. <br /> -7 - <br />