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SAN ) O A Q U I N Environmental Health Department <br /> F. SYSTEM PIPING CONTINUED: <br /> Check <br /> Box Section <br /> HSC Piping compatible with material intended to be stored. <br /> XX 25290.1 c 1 <br /> 25290.2 c 1 <br /> 23 CCR <br /> XX 2631(b) Design and construction of piping approved by independent testing organization(e.g. UL). <br /> XX Piping, including vent lines,sloped toward tank(s)with minimum 1/8 inch slope per 1 foot of run. <br /> HSC <br /> 25290.1 k Vapor recovery,fill riser,and vent line piping are secondarily contained. <br /> XX 25290.2�c;&Q) <br /> G. OVERSPILL/ OVERFILL PREVENTION: <br /> Check Code <br /> Box Section <br /> 23 CCR Overspill containment having minimum capacity of 5 gallons provided at each tank fill location. <br /> XX 2635(b) Manufacturer OPW Model65ZI EVRB-164042RT052 & <br /> 6571 EVRL-164042RT051 <br /> Approved overfill prevention device provided at each tank fill location. <br /> Choose One of the following methods: <br /> 7 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 /> I- Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the <br /> 23 CCR restriction occurs when the tank is filled to no more than 95 percent capacity; and activate an <br /> XX 2635(b)(2) audible alarm at least five minutes before the tank overfills <br /> ycProvide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> acity. <br /> I- 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 OPW Model 71 SO-410C <br /> H. CORROSION PROTECTION: <br /> Check Code <br /> Box Section <br /> X-XFiberglass reinforced plastic(FRP) <br /> Piping corrosion protection: ❑ Steel with cathodic protection or impressed current <br /> 23 CCR I Steel isolated from contact with backfill <br /> 2636(b) <br /> X4:RP or equivalent non-metallic exterior coatings or coverings <br /> Tank corrosion protection: Sacrificial Anode <br /> LI 23 CCR <br /> 2635(a)(2) Steel tank with field installed cathodic protection or impressed <br /> current <br /> XX Tie-downs,when used,constructed of non-corrosive material or coated steel. <br /> 7 of 8 <br />