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$e,p 05 00 08:14a St&ve Schamaun 916-366-8631 <br />UG TANK BUOYANCYIRESTRAINT CALCULATIONS <br />Proj: Hammer Lane Tesoro, 3304 Hammer Lane, Stockton <br />PN: 24901.00 <br />Ll) 20,000 ON TANK <br />DESIGN, PARAMETERS: <br />G = (A * Q + (N *VS) + VGS) <br />Height of backfill useable for down l (surface to bottom of tank) (h) <br />h'=HC+D <br />h 4.00 + 9.33 =13.33 ft. <br />a=h*SIRS <br />a = 13.33 * 0.30 = 4.00 ft. <br />End area of backfill (A) <br />A=(D+a)*h <br />A (9.33 + 4.00) * 13.33 =178 sq.ft. <br />AS = (D + (2 * a)) * (L + (2 * a)) <br />AS = (9.33 + (2 * 4.00)) * (40.00 + 2 * ( 4.00)) ® 832 sq.ft. <br />VPG = (178 * 40.00) - (2737 +(2 * 38) + 339) = 3958 cu.ft. <br />G = (3958 * (120-62.4) / 1,000 = 228 kips <br />(CDQ * CDH * CDL * CDW) * (RC - 62.4 lb./cu.ft.) / 1,000 lb./kip <br />WDM = (2 * 1.00 * 40.00 *1.00) * (150 - 62.4)) / 1,000 = 7.01 kips <br />HDF : 15 + 30 + 228 + 7 = 280 kips <br />HOLD DOWN FACTOR (HD) - CASE 2 <br />HD=HDF/F <br />H - (280 / 176) -1.59 <br />M <br />