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WALTON <br /> ENramewirma, imc. q,< - 7)eaScol-��l 47,6 <br /> Oveff&Prevention Inspection-OPW 61 and 71 Series Devices <br /> Date: <br /> Owner- <br /> Facility: <br /> r-F ty: <br /> OPW Overfill Model Number: <br /> Part 1 r Hti ht Setting Calculation <br /> Tank 1 Tank 2 Tank 3 Tank 4 <br /> Maximum Tank Volume Per: A Gait c/o/ <br /> Max shut off requirement for flapper is 95% B 95% 1'® <br /> a <br /> Multiply Max volume by 95% C /0 <br /> Use tank chart or ATG to determine height of <br /> cal volume <br /> , <br /> Measure top of fill riser s,or face seal <br /> Tank diameter(From Tank Chart) Fhmtm ' <br /> Upper Tube in T (G)F-JET=G G 5 <br /> Subtract 2"from upw tube in tank G-2"=K K Imbes <br /> f <br /> Calculated minimum <br /> ng tube length(I) I <br /> K+E=I <br /> Actual measured upper tube length(Without jinches <br /> adapter)(3) r <br /> Part 2®Device Certification Criteria Evaluation <br /> Does the oVeffiH prevention device meet the 95% <br /> requirement? <br /> Is the actual measured upper tube length 6.5 inches or <br /> re than the fiU riser?Q must be 6.5"or more than E) <br /> Does the merM prevention device function as ? <br /> (Inspect the device for damage,contamination,freedom of <br /> MEvement,weakening due to wear and corrosion <br /> vice Overf W Certification PASS 1 FAIL <br /> Tube Testin PASS/ <br /> Technician certifies that the device is operationally coliant. <br /> Signature of Technician: Date: <br /> T(*bnidW5 Name; <br />