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Overfill Prevention Equipment Inspection <br /> .Tanknology OPW 61 and 71 Series Overfill Prevention Device Inspection <br /> Date: 7/17/2018 <br /> Customer Name: 7-ELEVEN, INC. <br /> Location#: 17334 <br /> Location Address: 4501 N. PERSHING AVE. @ ROSEMARIE LN. ,STOCKTON ,CA,95207 <br /> OPW Model Number: 71so <br /> T-2 <br /> PART 1)Proper height setting calculation <br /> Maximum Tank Volume per:Tank Chart Agallons 10028 <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 9526.600 <br /> Use tank chart or ATG to determine height of calculated volume D inches 86.000 <br /> Measure top of fill riser threads,or face seal adapter E inches 29.000 <br /> Tank diameter From Chart F inches 96.000 <br /> Upper Tube in tank(G) F-D=G G inches 10.000 <br /> Subtract 2 inches from upper tube in tank G-2"=K K inches 8.000 <br /> Calculated minimum upper tube length (1)K+E=I i inches 37.000 <br /> Actual measured upper tube length (Without fill <br /> inches 37.500 <br /> adapter)(J) <br /> PART 2)Device certification criteria evaluation <br /> Criteria 1 Yes <br /> Does the overfill prevention device meet the 95%requirement? <br /> Criteria 2 Is the Actual measured upper tube length 6.5 inches <br /> or more than the fill riser?(J must be 6.5"or more Yes <br /> than E) <br /> Criteria 3 Does the overfill prevention device function as <br /> required?(Inspect the device for damage, <br /> contamination,freedom of movement, Yes <br /> weakening due to wear and corrosion) <br /> PART 3)Device Certification PASS/FAIL <br /> Technician certifies that the device is operationally <br /> compliant. If the response to Criteria 1, 2 and 3 above Pass <br /> are YES <br /> Comments: <br /> Signature of Technician: Date: 7/17/2018 <br /> Darren Sciume <br /> WO: NW1-2337736 <br />