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Overfill Prevention Equipment Inspection <br /> Tanknology OPW 61 and 71 Series Overfill Prevention Device Insoe <br /> E IE [J" <br /> Date : 9 /2/2020 f, <br /> Customer Name: <br /> 7-ELEVEN , INC . ) C r �� U . 0 <br /> Location #: 7- ELEVEN #19976 , MKT 2368 <br /> Location Address: 1399 N . MAIN ST. @ NORTHGATE , MANTECA , CA , 95336 ENVIRONMENTAL HEALTH <br /> OPW Model Number: DEPARTMENT <br /> T4 : UNLEADED T!: JJ <br /> PART 1 ) Proper height setting calculation <br /> Agallons 14781 . 000 9684 . 000 <br /> Maximum Tank Volume per: Tank Chart 0 . 95 <br /> B95% 0 . 95 0 . 95 0 . 95 <br /> Max shut off requirement for Flapper is 95 % <br /> C gallons 14041 . 950 9199 . 800 <br /> Multiply Maximum tank volume by 95% <br /> Use tank chart to determine height of calculated volume D inches 82 . 000 80 . 500 <br /> Measure top of fill riser threads , or face seal adapter when used , to tank top Einches 29 . 500 <br /> 27 . 875 <br /> F inches 90 . 375 89 . 750 <br /> Tank diameter From Chart <br /> G inches 8 . 375 9 . 250 <br /> Upper Tube in tank (G) F - D = G <br /> Subtract 2 inches from upper tube in tank G - 2"= H H inches 6 . 375 7 . 250 <br /> / inches 35 . 875 35 . 125 <br /> Calculated minimum upper tube length ( 1 ) H + E = I <br /> Actual measured upper tube length (Without fill <br /> J inches 38 . 000 36 . 500 <br /> adapter) (J) <br /> PART 2) Device certification criteria evaluation <br /> Yes Yes <br /> Criteria 1 Does the overfill prevention device meet the 95% requirement? <br /> Criteria la If the final shutoff volume is installed greater than 95 % , is there atNA NA <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 /> Fye <br /> ss Yes <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 /> Criteria 3 Does the overfill prevention device function as Yes Yes <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 pass Pass <br /> Technician certifies that the device is operationally <br /> compliant . <br /> Comments : <br /> 9/2/2020 <br /> Date : <br /> Signature of Technician : <br /> Clint Fuhrman <br /> WO: NW1 - 2346950 <br />