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FUEL TANK BUOYANCY JOB NO. : 21M085 <br /> 1 - Sk GALLON TANK DATE : 4/26/2023 <br /> 5-kw., associates X <br /> architecture engineering Surveying <br /> PAGE: 1 <br /> 237 scemcyrwe, rrodesto,ca 55355 p:209.52.8323 f:209-529.7804 <br /> SLAB IUIDTI-{ <br /> TANK PROPERTIES: <br /> Empty Volume : 8,000 'Gallons <br /> Misc. Equip.: 800 Gallons <br /> w 5LIMP <br /> Empty Weight : 6,200 lbs - 1 Imp I - <br /> I I 4 <br /> Q Length : 26.00 I ft <br /> Diameter: 7.67 Ift <br /> ~ Bury Depth: 4.33 ft U` <br /> Q Sump Diameter: 4.00 I ft <br /> p Sump Quantity: 2 _ <br /> DEADMAN PROPERTIES: II- ,.� I TANK <br /> Length : 24.00 !ft <br /> ~ Width : 12.00 in <br /> Depth : 12.00 m <br /> a BACKFILL PROPERTIES: BUOYANT FORCES: <br /> Z Material: PEA GRAVEL Tank Displaced Water Vol. = 1,070 ft3 <br /> Dry Unit Wt.: 100 j pcf Misc. Equip. Displaced Water Vol. = 107 ft3 <br /> Saturated Unit Wt.: 120 pcf Sump Displaced Water Vol. = 109 ft3 <br /> Submerged Unit Wt.: 57.6 pcf Total Displaced Water Vol. = 1,285 ft3 <br /> Friction Angle, 5 deg. x 62.4 Ib/ft3 <br /> Slab Thickness: 8 !in <br /> TOTAL BUOYANT FORCE = 80,202 lbs <br /> RESISTING FORCES: <br /> Concrete Slab Wt. = depth x length x width x 150 pcf = 28,043 lbs <br /> Tank Wt. = (empty weight see above) = 6,200 lbs <br /> Tank Backfill Wt. = depth x tank diameter x tank length x submerged unit wt. = 49,737 lbs <br /> Deadman Wt. = depth x length x width x 150 pcf x 2 deadmen = 7,200 lbs <br /> Deadman Backfill Wt. = deadman width x length x backfill depth x 2 deadmen = 50,594 lbs <br /> Sumps Wt. = -(sump displaced water volume x backfill weight) _ -6,268 lbs <br /> TOTAL RESISTING FORCE = 135,505 lbs <br /> Total Resisting Force 135,505 lbs <br /> Safety Factor = _ = 1.69 >1.25-OK <br /> Total Buoyant Force 80,202 lbs <br /> DEADMAN: 12.00 in wide x 12.00 in deep x 24.0 ft long BACKFILL MATERIAL: <br /> PEA GRAVEL <br /> BACKFILL DEPTH: <br /> SLAB: 9.7 ft wide x 8.00 in thick x 26.0 ft long 4.33 ft <br />