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T <br /> OVERFILL PREVENTION VALVE—95% SHUT-OFF CALCULATIONS <br /> Installation shall be in accordance with the manufactures recommended installation <br /> procedures(see attached) <br /> 10,000 gallon Unleaded Gasoline Tank <br /> Step I Determine nominal Tank Volume(last reading on gauge chart) <br /> Tank Volume=9,696 gallons <br /> Step 2 Calculate 95%Tank Volume <br /> 9,696 X 0.095 =9,211 gallons <br /> Step 3 Corresponding Tank Chart Volume <br /> Closest Volume less than 9,211 is 9,204=82-1/4" <br /> Step 4 Dip Stick Reading 100% Tank Volume <br /> 9,696=91-5/8" <br /> Step S Tank Diameter @ 100% minus(-)Dip Stick Reading @ 95% equals (_) <br /> Upper Tube Reference Number(Z) <br /> 91-5/8"—82-1/4" =9-3/8" <br /> Step 6 Subtract 2"from Z to determine Upper Tube Depth(C) <br /> 9-3/8"—2"=7-3/8" (C) <br /> Step 7 When C is greater than 6-1/2"then Upper Tube Length equals(=) C +the <br /> height of the riser and face seal (field measured during installation. <br /> Upper Tube Length=7-3/8"+Riser Height(field determined) <br />