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r � • • <br /> Piping information continued- <br /> check Code <br /> Section <br /> 252901(c)1 Piping compatible with material intended to be stored. <br /> 25290.2 c 1 <br /> 23C R Design and construction of piping approved by independent testing organization(e.g.UL). rte <br /> 2631 <br /> Piyin�, includingvent lines sloped toward tanks with minimum 1/4 inch slo a er 1 foot of run. <br /> 25290.1(k) �T l-''TL t��. <br /> 25290.20&0) Va or recovery,fill riser,and vent line piping are secondarily contained. <br /> G. OVERSPILL/OVERFILL PREVENTION: <br /> sox Code <br /> Section <br /> 23 CCR Overspill containment having m'nimum capacity of 5 gall ns provided at each tank fill location. <br /> 2635(b) Manufacturer Model <br /> Approved overfdi 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(bx2) _ <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 produc due to overfilling. <br /> Manufacturer Model <br /> CORROSION PROTECTION: <br /> CBo k Code <br /> Section <br /> Fiberglass re forced plastic(FRP). <br /> Piping corrosion protection: i cathodic protection or impressed current <br /> 23 CCR Steel isolated from contact with backfill <br /> 2636(b) fj <br /> FRP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection: Sacrificial Anode <br /> ❑ <br /> 23 CCR Steel tank with field installed cathodic protection or impressed <br /> 2635(x)(2) current <br /> ❑ I I Tie-downs,when used constructed of non-corrosive material or coated steel. <br /> Revised 8/3/07 7 <br />