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Measure&record"A"and"Z,"and then peform the following calculation: <br /> A 2-Z " Drop tube seal surface to the bottom of the tank <br /> -(subtract) <br /> 32 Lipper drop tube Flange to the edge of the upper tube adaprer <br /> (subtract) <br /> 4.5" =Reference offset <br /> _(equals) <br /> J Gj Final shutoff volume height <br /> Locate the final shutoff volume <br /> height on the tank chart <br /> Use the tank chart provided by the tank provided by the tank <br /> manufacturer to record and calculate the following: manufacturer,and record the <br /> closest corresponding volume. <br /> '3 7 5" gal Final shutoff volume <br /> (divide by) <br /> rJ Z gall Actual tank capacity <br /> X(muliply by) <br /> 1001 <br /> CL <br /> _(equals) If the final shutoff volume <br /> o 0 <br /> 92.3 Final shutoff volume percentage percentage is 95%or less,the <br /> installation conforms to FF5 and <br /> L ) Industry recommended practices. <br /> 01Lj � ga I Actual tank capacity <br /> -(subtract) The final Shutoff Volume Percentage may <br /> be greater than 95%as long as the tillage <br /> 3 7 S r ga I Final shutoff volume volume remaining is greater than or <br /> _(equals) equal to 250 gallons,so that"...none of <br /> the fittings Jocated on the top of the tank <br /> gal Ullage volume remaining are exposed Io product due to <br /> overfilling,"according to EPA 40 CFR Part <br /> 280. The installation must also meet all <br /> applicable regulatory requirements,and <br /> must be acceptable to the Authority <br /> Having Jurisdiction(AHJ). <br /> 17 <br /> r� <br />