SW6240203_Design Calculations_20240818

Inner Banks Engineering, PC
Flotation Calculations For SCM Sand Filter
Input Parameters
Length of Structure 46.33 ft 45.00 Inside Dim
Width of Structure 46.33 45.00 Inside Dim
Wall Thickness 8 in
Area of Wetwell bottom 2146.47 sf
Area of Interior of Wet 2025 sf
Volume of Sand Filter
Wt of Concrete 150.00 pcf
concrete vol
Wt of Water 62.40 pcf 2146.47 0.67 1431.70 bottom
5.00 285.72 0.67 952.87 wall
Wt of Soil 110.00 pcf 2384.56
Depth of Structure 6.17 ft sand
Depth Below SHWT 0.5 ft 999.00 1.50 1498.50
stone
Buyancy Calculation 999 0.5 499.5
Wt of Concrete 357,684.31 lbs
Wt of Sand 164,835.00 water
Wt Stone 74,925.00 999 2 1998
Wt Water in Sed Basin 124,675.20
Total Weight of Sand Filter 722,119.51
Wt of Water at SHWT 66,969.83 lbs
Structure Does not Float
Page 1 of 1