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Project Title: 76-Fuel Tanks <br /> Discipline:Structural <br /> CULLUMBER ENGINEERING <br /> Project No.: CN 117 Originator: C.Dilworth/A.Foster Date: 1 4/16/2019 <br /> omponent: Buoyancy Calculations Checked: W.Cullumber I Date: 4/16/2019 <br /> Tank#2/3 Calculation: <br /> Self-weight of Concrete(Curb and Slab) Surcharge Weight of Soil <br /> Concrete Density= 150 Ib/ft3 Trib.Width= 10 ft <br /> Length= 37.77 ft <br /> Width= 1.5 ft Depth= 4.3 ft <br /> Length= 38 ft <br /> Curb Depth= 1.5 ft <br /> Volume= 85.5 ft, <br /> Weight= 12,825 Ib Volume= 1624.14583 ft3 <br /> Density= 115 Ib/ft^3 <br /> Thick= 0.67 ft Soil Weight= 186,777 Ib <br /> Surface Width= 10 ft <br /> Slab Length= 37.77 ft <br /> Volume= 251.8 ft <br /> Weight= 37,771 Ib <br /> Total Weight= 262,898 Ib <---Downward <br /> vs. <br /> 160,547 Ib <---Uplift <br /> FS= 1.64 >1.5%O.K. Tank#2/3 <br /> Anchorage <br /> Fel,2&3= 160547 Ib Total(Buoyancy force is the same for both tanks) <br /> Number of Straps= 6 <br /> Number of Anchors= 12 <br /> Uplift force per Anchor= 13379 Ib (See Simpson Output) <br /> The contractor shall install(1)PA67 anchor bolt w/18"min.embedment @ ea.anchor point on straps. <br /> PROPRIETARY AND CONFIDENTIAL- DO NOT COPY <br />