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SAN : J o A n U I I V Environmental Health Department <br /> 6— CGUNTY <br /> F. SYSTEM PIPING CONTINUED . <br /> Check Code <br /> Box Section <br /> � IA ❑ <br /> HSC 0. 1 c 1 Piping compatible with material intended to be stored. <br /> 25290. 2 c 1 <br /> 23 CCR <br /> A ❑ 2631 (b) Design. and construction of piping approved by independent testing organization_ e.g. UL). <br /> Olt) ❑ Piping, including vent lines, sloped toward tanks with minimum 1 /8 inch sloe per 1 foot of run. <br /> HSC <br /> 25290. 1 k Vapor recovery, fill riser, and vent line piping are secondarily contained . <br /> 25290.2�c3&0) <br /> G . OVERSPILL! OVERFILL PREVENTION: <br /> Check Code <br /> Box Section <br /> R C <br /> 23 C <br /> ❑ Overspill containment having minimum ca aci of 5 allons provided at each tank fill location. <br /> 23 CG <br /> Manufacturer DPS.) Model <br /> Approved overfill prevention device provided at each tank fill location. <br /> 0 /71 `595 <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 /> estrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the <br /> 23 CCR estriction occurs when the tank is filled to no more than 95 percent capacity ; and activate an <br /> ❑ 2635(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. <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. �p <br /> Manufacturer P Vj Model <br /> H . CORROSION PROTECTION : <br /> Check Code <br /> Box Section <br /> ❑ Fiberglass reinforced plastic (FRP) <br /> Piping corrosion protection: ❑ Steel with cathodic protection or impressed current <br /> ir ❑ 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 /> ❑ 263b (a)2) ❑ Steel tank with field installed cathodic protection or impressed <br /> current <br /> ❑ Tie-downs, when used, constructed of non-corrosive material or coated steel. <br /> 7of8 <br />