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RECEIVED <br /> DEC 0 5 2017 <br /> ENVIRONMENTAL HEALTH <br /> DEPARTMENT <br /> BUOYANCY CALCULATIONS(20,000 GALLON TANKI <br /> CALCULATION BASED ON SUBMERGED WEIGHT OF MATERIALS: <br /> "CONTAINMENT SOLUTIONS"TANK WITH SPHERICAL ENDS. <br /> (10'NOMINAL) <br /> TANK LENGTH:38'-2 3/4" <br /> TANK DIAMETER:10'-0" <br /> TRY 36-0"DEADMAN,EACH SIDE,18"WIDE x 8"HIGH <br /> EMPTY TANK UPLIFT= 20.404 GAL =2,728 CU FT <br /> 7.48 GAUCF <br /> 2,728 CU FT X 62.4 LBS/CF=170,215 LBS(DISPLACED WATER) <br /> TANK SUMP UPLIFT=(2)X 3.14 X 2'2 X 4'=100.5 CU FT <br /> 100.5 CF X 62.4 LBS/CU FT=6,271 LBS(DISPLACED WATER) <br /> TOTAL TANK UPLIFT=166,436 LBS+6,271 LBS=172,707 LBS 1 <br /> HOLD DOWN CALCULATION <br /> 1.TANK SLAB: <br /> .58'X 14.0'X 42'=341 CU FT <br /> F <br /> 3 2.CUBED BACKFILL ABOVE TANKS <br /> 4'X 10.0'X 38.26'=1,530 CU FT-100.5 CU FT=1,429.5 CU FT <br /> 1,429.5 CU FT X 57.6 LBS/CU FT=82,339 LBS j <br /> 3.CURVED BACKFILL ABOVE TANK <br /> 3.14 X 5.0'2 X 38.25'=3,002.6 CU FT <br /> 10.0'X 10.0'X 38.25'=3,825.0 CU FT <br /> 3,825.0 CU FT-3,002.6 CU FT=822.4 CU FT=411.2 CU FT <br /> 2 <br /> 411.2 CU FT X 57.6 LBS/CU FT=23,685 LBS j QpOFESS/O�,_ <br /> 4.GRAVEL COLUMN ABOVE DEADMEN: �.0 S <br /> 1.5'X 14.5'X 36.0'X 2=1,566 CU FT 'P <br /> 1,566 CU FT X 57.6 LBS/CU FT=90.202 LBSj cccu���� O� <br /> 5.CONCRETE DEADMEN: 0: No.78916 A <br /> 0.67'X 1.5'X 36.0'=36.2 CU FT a .03/18 <br /> 36.2 CU FT X 87.6 LBS/CU FT X(2)=6,342 LBS j <br /> 6.DRY WEIGHT OF TANK: 11,425 LBS j Nj9 li!,k%i7 3 <br /> T VV 11 <br /> TOTAL HOLD DOWN 243.865 LBS j F OF CAS.\FO <br /> TOTAL HOLD DOWN: 243.865 LBS=1.41 SAFETY FACTOR <br /> TOTAL TANK UPLIFT:172,707 LBS <br />