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Piping information continued - Check Code Section Box Code Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. Section Manufacturer Model 23 CCR Approved overfill prevention device provided at each tank fill location. isz9o.12(cxl) piping compatible with material intended to be stored. 25290 .c 1 ❑ Alert the transfer operator when the tank is 90 percent full by restricting the flow into the tank or 23 CCR Design and construction of piping approved by independent testing organization (e.g. UL). 2631 ❑ Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the restriction occurs when the tank is filled to no more than 95 percent capacity; and activate an audible 23 CCR Piping, including vent lines, sloped toward tanks with minimum 1/4 inch sloe per 1 foot of run. HSC Tie -downs, when used, constructed of non -corrosive material or coated steel. 25290.1(k) ❑ Provide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of 25290.2®&O) Vapor recovery, fill riser, and vent line piping are secondarily contained. PREVENTION:G. OVERSPILL/ OVERFILL /A, Check Box Code Section 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. 2635(b) Manufacturer Model 23 CCR Approved overfill prevention device provided at each tank fill location. 2636(b) Choose One of the following methods: ❑ Alert the transfer operator when the tank is 90 percent full by restricting the flow into the tank or triggering an audible visual alarm 23 CCRLd 2635(a�2) ❑ Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the restriction occurs when the tank is filled to no more than 95 percent capacity; and activate an audible 23 CCR alarm at least five minutes before the tank overfills 2635(b)(2) Tie -downs, when used, constructed of non -corrosive material or coated steel. ❑ Provide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of capacity. ❑ Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the tank are exposed to product due to overfilling. Manufacturer Model Check Box Code Section ❑ Fiberglass reinforced plastic (FRP) 23 CCR Piping corrosion protection: ❑ S eel with cathodic protection or impressed current 2636(b) Steel isolated from contact with backfill RP or equivalent non-metallic exterior coatings or coverings Tank corrosion protection: ❑ Sacrificial Anode 23 CCRLd 2635(a�2) ❑ Steel tank with field installed cathodic protection or impressed p p current Tie -downs, when used, constructed of non -corrosive material or coated steel. Revised 8/3/07