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Tanknology <br />Date: <br />Customer Name: <br />Location #: <br />Location Address: <br />OPW Model Number: <br />Overfill Prevention Equipment Inspection <br />OPW 61 and 71 Series Overfill Prevention Device Inspection <br />10/13/2023 <br />7-ELEVEN, INC. <br />7-ELEVEN #17647, MKT 2368 (N-744) <br />1048 W. YOSEMITE AVE @ EL PORTEL ,MANTECA ,CA , 95336 <br />71-S0 <br />Regular <br />9684.000 <br />Premium <br />9684.000 <br />0.95 0.95 0.95 0.95 <br />9199.800 9199.800 <br />80.375 80.375 <br />39.750 38.500 <br />89.750 89.750 <br />9.375 9.375 <br />7.375 7.375 <br />47.125 45.875 <br />47.250 46.375 <br />PART 1) Proper height setting calculation <br />Maximum Tank Volume per: Tank Chart A gallons <br />Max shut off requirement for Flapper is 95% B 95% <br />Multiply Maximum tank volume by 95% c gallons <br />Use tank chart to determine height of calculated volume 0 inches <br />Measure top of fill riser threads, or face seal adapter when used, to tank top E inches <br />Tank diameter From Chart <br />F inches <br />Upper Tube in tank (G) F - D = G <br />G inches <br />Subtract 2 inches from upper tube in tank G - 2". H <br />H inches <br />Calculated minimum upper tube length (I) H + E = I <br />I inches <br />Actual measured upper tube length (Without fill <br />J inches adapter) (J) <br />PART 2) Device certification criteria evaluation <br />Criteria 1 <br />Does the overfill prevention device meet the 95% requirement? <br />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 <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 />Is the Actual measured upper tube length 6.5 inches <br />or more than the fill riser? (J must be 6.5" or more <br />than E) <br />Yes Yes <br />NA NA <br />Yes Yes <br />Yes Yes <br />Pass Pass <br />Criteria la <br />Criteria 2 <br />Criteria 3 Does the overfill prevention device function as <br />required? (Inspect the device for damage, <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 <br />compliant. <br />Comments: <br />Signature of Technician: <br />JAL:. <br />Date: 10/13/2023 <br /> <br />Jesus Saldivar <br />WO: NW1- 2362810