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Secondary Containment Calculations <br /> Volumn of(1)tank ft43 18388.33 Radius= 14.4583 ft <br /> Height= 28 ft <br /> F.S. 1.1 <br /> Volumn * F.S.ft^3 20227.17 ft^3 <br /> (volume to be contained) <br /> Existing Containment area width (ft) length(ft) depth(ft) Area (ft^2) <br /> 68.6 166.83 1 11,444.54 <br /> Intrusions within the contained <br /> area to be excluded Area(ft^2) height(ft) Number of units Total Area (ft^2) <br /> Tanks 656.73 1 7 4597.08 <br /> Column Piers 4 1 2 8.00 <br /> Perimeter Piers 1.25 1 19 23.75 <br /> Total Area 4628.83 ft^2 <br /> Area Available <br /> (Contained area-Intrusions) 6815.70 ft^2 <br /> Set Intrusion Volumes Area(ft^2) height(ft) Number of units total Volume(ft^3) <br /> Stair platform 49.03 2.50 1.00 122.57 <br /> Tank Ring past tank 73.89 2.50 7.00 1293.08 <br /> Ruptured Tank Base 730.62 2.50 1.00 1826.54 <br /> Total Volumel 3242.20 ft^3 <br /> Intrusions <br /> Existing Volume Availble 17039.262 ft^3 <br /> Volume needed 33469.36 ft"3-� <br /> (Volume contained+Set Intrusion needed at 2'-6" <br /> Volumes) deep 2572.04 ft^2 <br /> Depth neededF3.44 ft <br /> (Volume needed/Area Available) <br /> Height to add on wallF 0.94 ft = 11.32 in <br />