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Tank Weight if Wet Wttk wet 20400 • lbf Value provided by the tank manufacturer. Only the dry weight will be used if the tank has a dry annular space however, the wet weight is still required for a DW or TW tank even if the annular space is dry. This value will be used later to calculate the tank buoyant force Message : = if (Type � " SW " A Wttk wet ' Olbf , " Enter a Wet Weight" , " Weights are OK" ) Message = " Weights are OIC " Tank Weight Factor Wtfactor 0 % Normally use 0 % to exclude the tank weight from the calculations to be conservative . If the tank weight is to be included , enter 80% of the tank drawing weight since the drawing tank weight is conservative to insure that lifting equipment is appropriate . Tank Weight Wttk : = Wttk dry" Wtfactor = 0 tank weight used in calculations as contributing to the hold down force ID Tank IDtk : = 120in Effective Tank Thickness Tshell : = 0 . 65 • in thickness value is approximate and is only used to estimate the tank outside cylinder dimension OD Tank Wall ODtk := IDtk + 2Tshell = 121 . 34in this is the approx OD of the tank cylinder wall not counting the ribs Tank Length Ltk := 54ft + 3in outside tank length end to end including end caps End Cap Plan View Area AreaeC := 5654 . 87in2 = 39 • ft2 plan view area of one end cap End Cap Length L,, : = 60in the length one end cap adds to the tank cylinder length End Cap Volume VoleC := 1958 . 5gal volume one end cap Tank Cylinder Length Ltk cyl := Ltk - 2 , Lec = 53 ] , in the length of the tank cylinder only Fluid Ballast Volume Volballast Ogal normally 0 . enter a tank ballast fluid volume if desired Specific Gravity of Ballast SGballast 1 . 00 Tank Buoyancy, Loves Ripon , Store 223 , Date Printed : 6/ 12/2020 Page 4 of 25 Ripon CA , Dwg 22022-001 , 10 ft Dia ,