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L ,4 qtfi sRIL)fa 6e- 1�9 <br /> Tank Anchoring: All tanks must be anchored whenever they are installed in a saturated <br /> conditions. Using soil as the anchor has become an acceptable alternative to concrete. <br /> • Flotation potential is the displacement of the tank calculated by its volume in cubic feet. <br /> Line A Calculate cubic feet of tank. y y 3 9 <br /> 3 71/ b`6•: <br /> inches high, x inches wide, x17 3 inches Long, _ `&9;2 cuhtc inches. <br /> Divide this number by 1728 to equald_cubic feet. <br /> Line B Next convert the displacement to the weight of water. <br /> dy `_(from line A) cubic feet x 62.4 (weight of I cubic foot of water) x 1.5(fudge factor) _ <br /> /. 357i7CSo lbs of lift potential. <br /> Line C Calculate weight needed to counter buoyancy. <br /> 33"71 . .4-1/0 <br /> ;�27 d lbs. (Displacement weight from line B.) -�/_p°c lbs. (weight of tank from <br /> manufacture) = lbs. Of soil needed to anchor tank —e <br /> 7,2 <br /> Line D Weight over the tank cover needed, plus safety factor. <br /> ZY _inches wide of tank cover x /inches long of tank cover, divided by 144 <br /> yy,�' =Square feet of cover x 0.083 ( 1 inch in foot decimal) = cubic foot space of <br /> 1 int of tank cover. j, 7 <br /> Line E Calculated weight of 1 inch of space over entire cover. <br /> -3' .L7/ <br /> cubit feet of space ( from line D) x 100 lbs./cubic foot of— 7 5/0 lba./inch space above <br /> cover. <br /> Line F Calculate inches of soil needed t o counter buoyancy . <br /> s—V 72 <br /> lbs. (from line C) divided by albs.per inch of soil (from line E) =inches need over <br /> tank cover. <br /> /J ✓✓ Co Je h <br />