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WALTON <br /> NGINEERING, INC. <br /> E <br /> q6 7:ow/ <br /> Ove rfIR Prevention Inspection- OPW 61 and 71 Series Devices <br /> Date: <br /> Owner: <br /> Facility: <br /> OPW Overfill Model Number. <br /> Part I-Pro r Height Setting culation <br /> Tank I Tank 2 Tank 3 Tank 4 <br /> Maxiinum.Tank Volume Per A Gallons <br /> Max shut off requirement for flapper is 95% B 95% <br /> Multiply Max tank volume by 95010 C Gallons <br /> Use tank chart or ATG to determine height of <br /> D Inches <br /> calculated volume <br /> Measure top of fill riser threads,or face seal E Inches <br /> adapter <br /> Tank diameter(From Tank Chart) F Inches <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 length(1) 1 Inches <br /> K+E--1 <br /> Actual measured upper tube length(Without J Inches <br /> fill adapter)Op <br /> Part 2-Device Certification Criteria Evaluation <br /> Does the overfill prevention device meet the 9-Wo <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,firedom of <br /> movement,wmke�� due to wear and corrosion) <br /> Device Overfill Certification PASS/FAIL <br /> [_PLop Tube Testing PASS/FAIL ....................... <br /> Technician certifies that the device is operationally compliant. <br /> Signature of Technician: Date: <br /> Technician's Name: <br />