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Overfill Prevention Equipment Inspection <br /> 4* Tanknology OPW 61 and 71 Series Overfill Prevention Device Inspection <br /> Date : 9 / 18/2018 <br /> Customer Name : 7- ELEVEN , INC . <br /> Location # : 35355 <br /> Location Address : 3202 W HAMMER LANE ( N - 136 ) , STOCKTON CA , 95209 <br /> OPW Model Number: SO71 <br /> T2 : T3 : <br /> PART 1 ) Proper height setting calculation <br /> Maximum Tank Volume per: Tank Chart Agallons 10369 10369 <br /> Max shut off requirement for Flapper is 95 % a 95% 0 . 95 0 . 95 0 . 95 0 . 95 <br /> Multiply Maximum tank volume by 95 % c gallons 9850 . 550 9850 . 550 <br /> Use tank chart or ATG to determine height of calculated volume D inches 104 . 750 104 . 750 <br /> Measure top of fill riser threads , or face seal adapter Einches 35 . 000 34 . 000 <br /> Tank diameter From Chart Finches 117 . 750 117 . 750 <br /> Upper Tube in tank (G ) F - D = G G inches 13 . 000 13 . 000 <br /> Subtract 2 inches from upper tube in tank G - 2 "= K K inches 11 . 000 11 . 000 <br /> Calculated minimum upper tube length ( 1 ) K + E = I ( inches 46 . 000 45 . 000 <br /> Actual measured upper tube length (Without fill <br /> finches 41 . 625 40 . 500 <br /> adapter) (J ) <br /> PART 2) Device certification criteria evaluation <br /> Criteria 1 No No <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 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 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 Fail Fail <br /> are YES <br /> Comments : <br /> Cannot remove nipple over drop tube on the RUL tank . <br /> 4 <br /> Signature of <br /> Technician : Date : 9/ 18 /2018 <br /> Tim Elebeck <br /> WC : NW1 - 2338330 <br />