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F. SYSTEM PIPING CONTINUED: <br /> Check Cod <br /> Box Section <br /> F NSC Piping compatible with material intended to be stored. <br /> U' 25290.1 c 1 <br /> 25290.2 C 1 <br /> / 23 CCR <br /> c3 2631(b) Desi nand construction of piping approved by independent testing organization(e.g. UL). <br /> Piping,including vent lines,sloped toward tank(s)with minimum 1�ch slope per 1 foot of run. <br /> HSC <br /> 25290.1k Vapor recovery,fill riser,and vent line piping are secondarily contained. <br /> 25290.2�c;&tj) <br /> G. OVERSPILL/OVERFILL PREVENTION: <br /> Check C <br /> Box Section <br /> 23 CCR Overspill containment having minimum capacity,of 5 gallons provided at each tank fill location. <br /> d'" 2635(b) Manufacturer O F VV Model <br /> Approved overfill prevention device provided at each tank fill location. <br /> Choose One of the following methods: <br /> 71 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 /> 7 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 <br /> 263C5(b)(2) audible alarm at least five minutes before the tank overfills <br /> Provide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> capacity. W/ U�M*JE:,D IE R fZ a DI- Q®%' A (_i9 R M <br /> X Provide positive shut-off of flow to the tank so that none of the fittings locpted on the top of the <br /> tank are exposed to product due to overfilling. <br /> Manufacturer �P Vvr Model Z! C- <br /> H. CORROSION PROTECTION: <br /> Check code <br /> Box Section <br /> r7f Fiberglass reinforced plastic(FRP) <br /> Piping corrosion protection: :1 Steel with cathodic protection or impressed current <br /> 12," 23 CCR :1 Steel isolated from contact with backfill <br /> 2636(b) <br /> FRP or equivalent non-metaliic exterior coatings or coverings <br /> Tank corrosion protection: :i Sacrificial Anode <br /> 23 CCR C Steel tank with field installed cathodic protection or impressed <br /> 2635(a)(2) current <br /> Tie-downs,when used,constructed of non-corrosive material or coated steel. <br />