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WALTON _ . .__� <br /> Overfill Prevention Inspection - OPW 61 and 71 Series Devices <br /> Date : 1 /3/2019 <br /> Owner: Colonial Energy <br /> Facility : 40135 <br /> OPW Overfill Model Number: 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 20148 20148 20148 12065 <br /> Max shut off requirement for flapper is 95% s 95% <br /> Multiply Max tank volume by 95 % C Gallons 19141 19141 19141 11461 <br /> Use tank chart or ATG to determine height of D Inches 102 . 625 102 . 625 102 .625 100 <br /> calculated volume <br /> Measure top of fill riser threads, or face seal E Inches 67 . 875 67. 125 65 .875 72 . 375 <br /> .adapter <br /> Tank diameter (From Tank Chart) F Inches 113. 75 113 . 75 1117. 5 110 . 75: <br /> Upper Tube in Tank (G) F-D = G G Inches 11 . 125 11 . 125 11 . 125 10 . 75 <br /> Subtract 2 " from upper tube in tank G-2 "= K K Inches 9 . 125 9 . 125 9 . 125 8 . 75 <br /> Calculated minimum upper tube length (1) 1 Inches 77 76 . 25 65 .875 81 . 125 <br /> K+E=I <br /> Actual measured upper tube length (Without J Inches 79. 875 76 . 75 77 . 75 83 . 5 <br /> fill adapter) J <br /> Part 2 - Device Certification Criteria Evaluation <br /> Does the overfill prevention device meet the 95% Yes Yes Yes YeS <br /> requirement? <br /> Is the actual measured upper tube length 6. 5 inches or Yes 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 Yes <br /> movement, weakening due to wear and corrosion <br /> Device Overfill Certification PASS / FAIL Pass Pass Pass Pass <br /> Drop Tube Testing PASS / FAIL Pass Pass Pass Pass <br /> Technician certifies that the device is operationally compliant. <br /> Signature of Technician : �� `' "` `' Date : 1 /3/ 19 <br /> Technician ' s Name : Anthony Reyes <br /> �r 4 <br />