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Duct Bank Calculation
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Duct Bank Calculator
Need to install a duct bank and want to get the particulars? Simply enter in the information below and Construction Monkey will calculate the trench sizes, backfill, and excavation requirements.
Enter Information
Excavation
Depth of Duct Bank:
Depth Measured from Grade to:
Length of Duct Bank:
feet
Minimum Width of Duct Bank:
inches
Conduit
Conduit:
Conduit:
Conduit:
Conduit:
Horizontal Spacing of Conduits:
Vertical Spacing of Conduits:
Encasement
Type of Fill Around Conduits:
Coverage on Top:
Coverage on Bottom:
Coverage on Left:
Coverage on Right:
Backfill
Material Over Top of Duct Bank:
Results
Enter all information and click "Calculate" button to get the calculation results.
Notes:
1Calculations are precise and do not take into account waste or slop.
2Duct bank encasement does not account for volume that the conduit spacers will consume.
3Spacers are based on 1 spacer per 5 feet of conduit.
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No guarantees are made as to the accuracy of the calculation or compliance with
local codes. Verify all calculations with a professional engineer. If you
find an error, or have a suggestion, please send us an email.