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SAN JUN <br /> AW <br /> I Environmental health Department <br /> COUNTY <br /> F . SYSTEM PIPING CONTINUED . <br /> Check Code <br /> Box Section <br /> HSC Piping compatible with material intended to be stored . <br /> ❑ 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 . g . UL ) . <br /> ❑ Piping , including vent lines , sloped toward tank(s ) with minimum 1 /8 inch slope per 1 foot of run . <br /> 25290 . 1 k Vapor recovery, fill riser, and vent line piping are secondarily contained . <br /> ❑ 25290 . 2c;& (j ) <br /> G . OVERSPILL/ OVERFILL PREVENTION . <br /> Check Code <br /> Box Section <br /> Overspill containment having minimum capacity of 5 gallons provided at each tank fill location . <br /> 23 CCR <br /> ❑ 2635(b) Manufacturer Fiberlite/ OPW Model P761C- FLDV & P761C -FLPL <br /> Approved overfill prevention device provided at each tank fill location . <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 /> ❑ 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) audible alarm at least five minutes before the tank overfills <br /> X 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 . <br /> Manufacturer OPW Model 71SO -410C <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 /> ❑ 23 CCR <br /> 2635(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 /> 7 of 8 <br />