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Overfill Prevention Equipment Inspection <br /> .y Tanknology OPW 61 and 71 Series Overfill Prevention Device InspR- ECEIVEU <br /> Date: 7/21/2020 JUL 2 2 4020 <br /> Customer Name: 7-ELEVEN, INC. <br /> Location#: 7-ELEVEN#17647, MKT 2368(N-744) <br /> Location Address: 1048 W.YOSEMITE AVE @ EL PORTEL,MANTECA,CA,95336 ENVIRONMENTAL HEALTH <br /> OPW Model Number: DFPARTMENT <br /> T-1 T-2 <br /> PART 1)Proper height setting calculation <br /> Maximum Tank Volume per:Tank Chart Agallons 9684.000 9684.000 <br /> Max shut off requirement for Flapper is 95% 895% 0.95 0.95 0.95 0.95 <br /> Multiply Maximum tank volume by 95% C gallons 9199.800 9199.800 <br /> Use tank chart to determine height of calculated volume D Inches 80.500 80.500 <br /> Measure top of fill riser threads,or face seal adapter when used,to tank top E inches 40.000 38.750 <br /> Tank diameter From Chart F inches 89.750 89.750 <br /> Upper Tube in tank(G) F-D=G G inches 9.250 9.250 <br /> Subtract 2 inches from upper tube in tank G-2"=H H inches 7.250 7.250 <br /> Calculated minimum upper tube length(1)H+E=I I inches 47.250 46.000 <br /> Actual measured upper tube length(Without fill <br /> J inches 47.250 46.500 <br /> adapter)(J) <br /> PART 2)Device certification criteria evaluation <br /> Criteria 1 Yes Yes <br /> Does the overfill prevention device meet the 95%requirement? <br /> Criteria 1a If the final shutoff volume is installed greater than 95%, is there at <br /> least 250 gallons of ullage above the overfill device activation point NA NA <br /> to ensure that none of the tank top fittings are exposed to product, <br /> meeting the criteria established in EPA 280.20iic and per OPW <br /> installation guidelines. <br /> Criteria 2 Is the Actual measured upper tube length 6.5 inches Yes Yes <br /> or more than the fill riser?(J must be 6.5"or more <br /> than E) <br /> Criteria 3 Does the overfill prevention device function as <br /> required?(Inspect the device for damage, Yes Yes <br /> contamination,freedom of movement, <br /> weakening due to wear and corrosion) <br /> PART 3)Device Certification PASS/FAIL <br /> Pass Pass <br /> Technician certifies that the device is operationally <br /> compliant. <br /> Comments: <br /> Signature of Technician: Date: <br /> 7/21/2020 <br /> Jesus Saldivar <br /> WO: NW1-2346948 <br />