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WALTON <br /> ENGINEERING, 1 <br /> Overfill Prevention Inspection - OPW 61 and 71 Series Devices <br /> Date: 9/25/2018 <br /> Owner:Quik Stop Market#125 <br /> Facility: 1580 W Main St. <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 9684 9684 9684 <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 9200 <br /> Use tank chart or ATG to determine height of D Inches 80 3/8" 80 3/8" 80 3/8" <br /> calculated volume <br /> Measure top of fill riser threads,or face seal E Inches 29 1/4" 33" 36" <br /> adapter <br /> Tank diameter(From Tank Chart) is 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 3/8" <br /> Subtract 2"from upper tube in tank G-2"=K K Inches 7 3/8" 7 3/8" 7 3/8" <br /> Calculated minimum upper tube length(I) I Inches 36 5/8" 40 3/8" 43 3/8" <br /> K+E=I <br /> Actual measured upper tube length(Without J Inches 42" 43 3/4" 47" <br /> fill adapter) J <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: XSyY"rte Date: 9/25/18 <br /> Technician's Name:Max Hines <br />