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Overfill Prevention Equipment Inspection <br /> .y Tanknology OPW 61 and 71 Series Overfill Prevention Device Inspection <br /> Date: 11/17/2020 <br /> Customer Name: 7-ELEVEN, INC. <br /> Location#: 7-ELEVEN#32190, MKT 2368 <br /> Location Address: 4943 S. KINGSLEY(FRONTAGE RD)HWY 99 @ ARCH AIRPORT <br /> RD,STOCKTON CA,95206 <br /> OPW Model Number: 61so <br /> T4 T6 <br /> PART 1)Proper height setting calculation <br /> Maximum Tank Volume per:Tank Chart Agallons 14752.000 9684.000 <br /> Max shut off requirement for Flapper is 95% B 95% 0.95 0.95 0.95 0.95 <br /> Multiply Maximum tank volume by 95% C gallons 14014.400 9199.800 <br /> Use tank chart to determine height of calculated volume D inches 80.875 80.375 <br /> Measure top of fill riser threads,or face seal adapter when used,to tank top E inches 43.000 35.500 <br /> Tank diameter From Chart F inches 90.375 89.750 <br /> Upper Tube in tank(G) F-D=G G inches 9.500 9.375 <br /> Subtract 2 inches from upper tube in tank G-2"=H H inches 7.500 7.375 <br /> Calculated minimum upper tube length (1)H+E=I finches 50.500 42.875 <br /> Actual measured upper tube length (Without fill <br /> Jincnes 50.500 44.000 <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 1 a 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 /> Technician certifies that the device is operationally Pass Pass <br /> compliant. <br /> Comments: <br /> 89 drop tube could not be removed <br /> 1 4 <br /> Signature of <br /> Technician: Date: 11/17/2020 <br /> Tim Elebeck <br /> WO: NW1-2348557 <br />