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Overfill Prevention Equipment Inspection <br />OPW 61 and 71 Series Overfill Prevention Device Inspection <br />Date:11/20/2020 <br />Customer Name:7-ELEVEN, INC. <br />Location #:7 ELEVEN 35355 <br />Location Address:3202 W HAMMER LANE (N-136) ,STOCKTON ,CA , 95209 <br />OPW Model Number:71so <br /> <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 D inches <br />Measure top of fill riser threads, or face seal adapter when used, to tank top E inches <br />Tank diameter From Chart F inches <br />Upper Tube in tank (G) F - D = G G inches <br />Subtract 2 inches from upper tube in tank G - 2"= H H inches <br />Calculated minimum upper tube length (I) H + E = I I inches <br />Actual measured upper tube length (Without fill <br />adapter) (J) J inches <br />PART 2) Device certification criteria evaluation <br />Criteria 1 <br />Does the overfill prevention device meet the 95% requirement? <br /> <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 <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 /> <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 <br />than E) <br /> <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 /> <br />T2: <br /> <br />10369.000 <br />0.95 <br />9850.550 <br />104.625 <br />35.000 <br />117.500 <br />12.875 <br />10.875 <br />45.875 <br />47.250 <br />Yes <br /> <br />NA <br /> <br />Yes <br /> <br />Yes <br /> <br />Pass <br />T3:Diesel <br /> <br />10369.000 <br />0.95 <br />9850.550 <br />104.625 <br />34.000 <br />117.750 <br />13.125 <br />11.125 <br />45.125 <br />52.250 <br />Yes <br /> <br />NA <br /> <br />Yes <br /> <br />Yes <br /> <br />Pass <br /> <br /> <br />0.95 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />0.95 <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />Comments: <br />Couldn't remove nipple on 87dropt tube, not tested. <br />Signature of <br />Technician: Date: 11/20/2020 <br /> <br />Tim Elebeck <br />WO: NW1- 2348559