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WALTON - <br /> ,ENGINEERING, INC. ReFr <br /> Overfill Prevention InsPection - OPW 61 and 71 Series C E I V E D <br /> Date: 10/4/2018 0 C T 11 2018 <br /> Owner: ENVIRONMENTAL HEALTH <br /> Facility:Quik stop maret# 138 DEPARTMENT <br /> OPW Overfill Model Number: 87=61 so 89=61 so 91 =61 so <br /> Part 1 -Proper Height Setting Calculation <br /> Tank 1 Tank 2 Tank 3 Tank 4 <br /> Maximum Tank Volume Per: A Gallons 9684 9684 7841 <br /> Max shut off requirement for flapper is 95% B 95% 95% 95% 95% <br /> Multiply Max tank volume by 95% C Gallons 9200 9200 7449 <br /> Use tank chart or ATG to determine height of D Inches 80 3/8" 80 3/8" 80 1/4" <br /> calculated volume <br /> Measure top of fill riser threads,or face seal E Inches 38" 37 3/4" 38" <br /> adapter <br /> Tank diameter(From Tank Chart) F Inches 89 3/4" 89 3/4" 89 3/4" <br /> Upper Tube in Tank(G)F-D=G G Inches 9 3/8" 9 3/8" 9 1/2" <br /> Subtract 2"from upper tube in tank G-2"=K K Inches 7 3/8" 7 3/8" 7 1/2" <br /> Calculated minimum upper tube length(I) I Inches 45 3/8" 45 1/4" 45 1/4" <br /> K+E=I <br /> Actual measured upper tube length(WithoutJ Inches 47 1/2" 48" 46 3/4" <br /> fill adapter) <br /> Part 2 -Device Certification Criteria Evaluation <br /> Does the overfill prevention device meet the 95% YES YES YES <br /> requirement? <br /> Is the actual measured upper tube length 6.5 inches or YES YES YES <br /> more than the fill riser?(J must be 6.5"or more than E) <br /> Does the overfill prevention device function as required? <br /> (Inspect the device for damage,contamination,freedom of YES YES YES <br /> movement,weakening due to wear and corrosion <br /> Device Overfill Certification PASS /FAIL PASS PASS PASS <br /> Drop Tube Testing PASS/FAIL PASS PASS PASS <br /> Technician certifies that the device is operationally compliant. <br /> Signature of Technician: �� Date: 10/4/18 <br /> Technician's Name:Rey Hernandez <br />