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FUEL TANK BUOYANCY JOB NO. : 21M085 <br /> S kW 1 - 10k + 10k GALLON TANK PATE : 4/26/2023 <br /> associates . <br /> architecture engineering 5urveying PAGE: 3 <br /> ?�37 s;enic 4rire, irA25to,o 95355 p:209.523.8323 f:209•,29.7fSO4 <br /> SLAB WIDTHTANK PROPERTIES: <br /> Empty Volume : 20,000 ,Gallons <br /> Misc. Equip.: 1,500 GallonsI <br /> Empty Weight: 12,700 'lbs i T Imo 6t1MP <br /> Length : 39.31 ft <br /> I I <br /> Q Diameter: 10.00 ft <br /> ~ Bury Depth: 4.33 ft <br /> Q Sump Diameter: 4.00 !ft <br /> p Sump Quantity: 1 4 - T <br /> DEADMAN PROPERTIES: TANK I <br /> Length : 40.00 I ft e I I <br /> Width : 18.00 I in <br /> Depth : 8.75 in <br /> a BACKFILL PROPERTIES: BUOYANT FORCES: <br /> Z Material: PEA GRAVEL Tank Displaced Water Vol. = 2,674 ft3 <br /> Dry Unit Wt.: 100 pcf Misc. Equip. Displaced Water Vol. = 201 ft3 <br /> Saturated Unit Wt.: 120 pcf Sump Displaced Water Vol. = 218 ft3 <br /> Submerged Unit Wt.: 57.6 pcf Total Displaced Water Vol. = 3,092 ft3 <br /> Friction Angle, 5 deg. x 62.4 Ib/ft3 <br /> Slab Thickness: 8 in <br /> TOTAL BUOYANT FORCE = 192,940 lbs <br /> RESISTING FORCES: <br /> Concrete Slab Wt. = depth x length x width x 150 pcf = 55,003 lbs <br /> Tank Wt. = (empty weight see above) = 12,700 lbs <br /> Tank Backfill Wt. = depth x tank diameter x tank length x submerged unit wt. = 98,042 lbs <br /> Deadman Wt. = depth x length x width x 130 pcf x 2 deadmen = 11,375 lbs <br /> Deadman Backfill Wt. = deadman width x length x backfill depth x 2 deadmen = 140,442 lbs <br /> Sumps Wt. = -(sump displaced water volume x backfill weight) _ -12,537 lbs <br /> TOTAL RESISTING FORCE = 305,026 lbs <br /> Total Resisting Force 305,026 lbs <br /> Safety Factor = _ = 1.58 >1.25-OK <br /> Total Buoyant Force 192,940 lbs <br /> BACKFILL MATERIAL: <br /> DEADMAN: 18.00 in wide x 8.75 in deep x 40.0 ft long <br /> PEA GRAVEL <br /> BACKFILL DEPTH: <br /> SLAB: 13.0 ft wide x 8.00 in thick x 39.3 ft long 4.33 ft <br />