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Piping information continued- <br /> Check <br /> Box Code <br /> Section <br /> ❑ z5290.1(c)(1) Piping compatible with material intended to be stored. <br /> 25290.2(c)(1) <br /> ❑ 23 CCR Design and construction of piping approved by independent testing organization(e.g.UL). <br /> 2631 b <br /> ❑ Piping,including vent lines,sloped toward tanks with minimum 1/4 inch sloe per 1 foot of run. <br /> HSC <br /> ❑ 25290.1(k) <br /> 25290.2(D&O) Vapor recovery,fill riser,and vent line piping are.secondarily contained. <br /> G. OVERSPILL/OVERFILL PREVENTION: <br /> check <br /> Box Code <br /> Section <br /> ❑ 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. <br /> 2635(b) Manufacturer 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 /> 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 Model 2 <br /> M5 Sc(4�S <br /> H. CORROSION PROTECTION: <br /> Check- <br /> Box <br /> heckBox Code <br /> Section <br /> Fiberglass reinforced plastic(FRP) <br /> Piping corrosion protection: Steel with cathodic protection or impressed current <br /> ® 23 CCR Steel isolated from contact with backfill <br /> 2636(b) <br /> FRP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection: Sacrificial Anode <br /> LA 23 CCR Steel tank with field installed cathodic protection or impressed <br /> 2635(a)(2) <br /> current / <br /> ❑ Tie-downs,when used,constructed of non-corrosive material or coated steel. A A <br /> Revised 07/31/08 7 <br />