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VC rte, 0 <br />DSS ` NaRIZ� <br />!Measure & record "A" and "Z," and then peform the following calculation: <br />„A„ <br />/70,5 " Drop tube seal surface to the bottom of the tank <br />- (subtract) <br />"Z" 60 " Upper drop tube flange to the edge of the upper tube adapter <br />- (subtract) <br />4.5" Reference offset <br />= (equals) <br />Q „ <br />2- Final shutoff volume height <br />(ji� gal Actual tank capacity <br />- (subtract) <br />/ 9047 Final shutoff volume <br />= (equals) <br />>.'..7 Ullage volume remaining <br />The final Shutoff Volume Percentage may <br />be greater than 95% as long as the ullage <br />volume remaining is greater than or <br />equal to 250 gallons, so that "...none of <br />the fittings located on the top of the tank <br />are exposed to 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 />S <br />Locate the final shutoff volume <br />height on the tank chart <br />Use the tank chart provided by the tank <br />provided by the tank <br />manufacturer to record and calculate the following: <br />manufacturer, and record the <br />7 Ufa gal Final shutoff volume 14 <br />closest corresponding volume. <br />(divide by) <br />0 16 9 gal I Actual tank capacity <br />X (muliply by) <br />1DO <br />= (equals) <br />if the final shutoff volume <br />' <br />tFinal shutoff volume prcentage <br />percentage is 95% or less, the <br />installation conforms to FFS and <br />industry recommended practices. <br />(ji� gal Actual tank capacity <br />- (subtract) <br />/ 9047 Final shutoff volume <br />= (equals) <br />>.'..7 Ullage volume remaining <br />The final Shutoff Volume Percentage may <br />be greater than 95% as long as the ullage <br />volume remaining is greater than or <br />equal to 250 gallons, so that "...none of <br />the fittings located on the top of the tank <br />are exposed to 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 />S <br />