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WALTON <br /> ENGINEERING, ;NC. �® <br /> Overffl Preventiontion-OPW 61 and 71 Series Devices <br /> Owner: Tesoro <br /> Facility: <br /> #68221 - 2705 Country Club, Stockton CA <br /> OPW Overfill Model Number: <br /> Part I - P 4e!VLt Setting Calculation <br /> Tank 1 Tank 2 Tank 3 Tank 4 <br /> Maximum Tank Volume Per: A Gallons 1?(:2 <br /> pa <br /> Max shut off requirement for flapper is 95% B"% ®/® <br /> Multiply Max tank volume by 95% o Gall -:76o-21 <br /> Use tank chart or ATG to determine height of D <br /> Inches <br /> calculated volume 8K51s' <br /> Measure tap of fill riser threads,orface <br /> 3, <br /> Tank diameter in Tank Chart) P Inelles <br /> aZL'' C <br /> Upper Tube in T (G)F-1?=G G Incbes 'x,01 <br /> Subtract 2"from upper tube in tank G-2 K K Inches <br /> Calculated minimum upper tube le (I) <br /> K+1-=I i <br /> luches <br /> Actual measured upper tube len (Without <br /> Inches <br /> fill�j ter} d <br /> Part 2-Device Certification Criteria Evaluation <br /> Does the overfiR prevention device meet the 93% <br /> requirement? <br /> Is the actual measured upper U&length 6.5 inches or <br /> more than the fill riser?(1 must be 6.5"or more thart B) <br /> Does the Overfill prevention device function asrequired? <br /> (Inspect the device for damage,contamination,freedom of <br /> movement, ting due to wear and 22mion <br /> Device Overfill Certification PASS/FAIL <br /> Tube TestiM PASS/FAIL <br /> Technician es that the device is operationally compliant. <br /> Signature of Technician: Date: <br /> T hnici 's c: <br />