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RECEIVED Job No. 17866 <br /> F. SYSTEM PIPING CONTINUED: Nf i 1 J 2018 <br /> Check CC <br /> Box Secgion ENVI <br /> MizALTH DEPARTMENT <br /> HSC Piping compatible with material intended to be stored. <br /> 1( 25290.1 c 1 <br /> 25290.2 c 1 <br /> 23 CCR <br /> 2631(b) Design and construction of piping approved by independent testing organization(e. . UL). <br /> Piping, including vent lines, sloped toward tank(s)with minimum 1/8 inch sloe per 1 foot of run. <br /> 25290.1((k)) Vapor recovery,fill riser, and vent line piping are secondarily contained. <br /> 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 /> 2635(b) Manufacturer OPW Model 6571EVRB-164042RT052and <br /> 6571 EVRG-164042RT054 <br /> Approved overfill prevention device provided at each tank fill location. <br /> Choose One of the following methods: <br /> X 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 /> 23 CCR restriction occurs when the tank is filled to no more than 95 percent capacity; and activate an <br /> 2635(b)(2) alarm at least five minutes before the tank overfills <br /> X Pro ide positive shut-off flow to the tank when the tank is filled to no more than 95 percent of <br /> p <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 <br /> Veeder 790091-001 <br /> Manufacturer p,,t Model 790095-001 <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 /> 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 /> V/ 2635(a)(2) ❑ Steel tank with field installed cathodic protection or impressed <br /> current <br /> H Tie-downs, when used, constructed of non-corrosive material or coated steel. <br /> Revised 7/26/2016 7 <br />