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FUEL TANK BUOYANCY JOB NO. : 19M093 <br /> 10K + 12K GALLON TANK PATE : 5/15/2023 <br /> ��I • associates �' <br /> architecture engineering 5urveying PAGE : 2 <br /> 2237 scenic 4tiVe,modesto,a 95355 p:209.52.8323 F 209.52.9.71304 <br /> SLAB WIDTHTANK PROPERTIES: <br /> Empty Volume : 22,000 Gallons <br /> Misc. Equip.: 1,500 !Gallons <br /> Empty Weight : 12,625 1 lbs T- 1- Imp SUMP <br /> Q <br /> Length : 41.25 ft <br /> Diameter: 10.50 ft <br /> ~ Bury Depth: 4.40 ft <br /> Sump Diameter: 4.00 ft <br /> p Sump Quantity: 4i- <br /> DEADMAN PROPERTIES: I TANK I H <br /> Length : 36 00 ft <br /> F- <br /> lin 1­111—Nil t>l <br /> Width : 18.00 <br /> Depth : 8.00 in t::T..._.- <br /> a BACKFILL PROPERTIES: BUOYANT FORCES: <br /> Z Material: PEA GRAVEL Tank Displaced Water Vol. = 2,941 ft3 <br /> _ Dry Unit Wt.: 100 pcf Misc. Equip. Displaced Water Vol. = 201 ft3 <br /> Saturated Unit Wt.: 120 pcf Sump Displaced Water Vol. = 221 ft3 <br /> Submerged Unit Wt.: 57.6 pcf Total Displaced Water Vol. = 3,363 ft3 <br /> Friction Angle, 5 deg. x 62.4 Ib/ft3 <br /> Slab Thickness: 7.0 in <br /> TOTAL BUOYANT FORCE = 209,844 lbs <br /> RESISTING FORCES: <br /> Concrete Slab Wt. = depth x length x width x 150 pcf = 52,270 lbs <br /> Tank Wt. _ (empty weight_see above) = 12,625 lbs <br /> Tank Backfill Wt. = depth x tank diameter x tank length x submerged unit wt. = 109,771 lbs <br /> Deadman Wt. = depth x length x width x 150 pcf x 2 deadmen = 10,800 lbs <br /> Deadman Backfill Wt. = deadman width x length x backfill depth x 2 deadmen = 132,966 lbs <br /> Sumps Wt. _ -(sump displaced water volume x backfill weight) _ -12,739 lbs <br /> TOTAL RESISTING FORCE = 305,693 lbs <br /> Total Resisting Force 305,693 lbs <br /> Safety Factor = _ = 1.46 >1.25-OK <br /> Total Buoyant Force 209,844 lbs <br /> DEADMAN: 18.00 in wide x 8.00 in deep x 36.00 ft long BACKFILL MATERIAL: <br /> PEA GRAVEL <br /> SLAB: 13.5 ft wide x 7.00 in thick x 41.25 ft long BACKFILL DEPTH: <br /> 4.40 ft <br />