Electrical Duct Bank Cost Per Foot

In annex b of national electrical code there is a 15 duct bank that uses 2 000 kcm conductors.

Electrical duct bank cost per foot.

For a basic project in zip code 47474 with 25 linear feet the cost to install a duct starts at 9 83 17 67 per linear foot. Costs in the labor cost column are the result of mul. Concrete encased underground electrical duct banks. Trenches are used to place utilities underground install lawn sprinklers or devise a drainage system on your property.

Since for 6 or more ducts the main thermal bottleneck you can figure 500 kcm at 168 75 amps per cable for natural cooling. For example l2 in the craft hrs column means that we recommend a crew of two electricians. Secure separators to earth and to ducts to prevent floating during. See figure b 310 5.

Install top of duct bank at least 24 inchesbelow finished grade in areas not subject to deliberate. Less expensive projects can run as little as 400 while more expensive ones are about 1 200. Commercial electrical work sometimes requires the bidder to submit a price per square foot bid. Getting the information.

Construction monkey calculator that provides duct bank details including spoils concrete excavation amount. The craft hrs column shows the recommended crew and manhours per unit for installation. L1 means that a crew of one electrician is recommended. Less than 5 spacers per 20 feet of duct.

Once the probable cost is known and the profit margin determined the calculation itself is simple. Cost tables by 25 percent to find your local cost. Actual costs will depend on job size conditions and options. The average cost to dig 100 linear feet of trench is 800.