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WALTON <br /> Overfill Prevention Inspection - OPW 61 and 71 Series Devices <br /> Date: <br /> Owner: <br /> Facility: <br /> OPW Overfill Model Number: <br /> Part 1 - Proper Height Setting Calculation <br /> Tank 1 Tank 2 Tank 3 Tank 4 <br /> Maximum Tank Volume Per: A Gallons <br /> Max shut off requirement for flapper is 95% B 95% <� <br /> Multiply Max tank volume by 95% C Gallons <br /> Use tank chart or ATG to determine height of <br /> calculated volume n InchesAV 7 <br /> Measure top of fill riser threads,or face seal <br /> adapter i.Inches <br /> Tank:diameter(From Tank Chart) F inches /.F ' <br /> Upper Tube in Tank(G)F-D=G G Inches ' <br /> Subtract 2"from upper tube in tank G-2"=K K Inches <br /> Calculated minimum upper tube lenarth(1) <br /> K+E=I IInches <br /> Actual measured upper tube length (Without <br /> fill adapter)(J) J Inches <br /> Part 2 - Device Certification Criteria Evaluation <br /> Does the overfill prevention device meet the 95% <br /> requirement? <br /> Is the actual measured upper tube length 6.5 inches or <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 <br /> movement.weakening due to wear and corrosion) <br /> Device Overfill Certification PASS/FAIL <br /> Dro Tube Testing PASS /FAIL. ; <br /> Technician certifies that the device is operationally compliant. <br /> Signature of Technician: Date: <br /> Technician's Name: J� <br /> le <br />