The following are sample duct arrangements of 2 to 6 ducts for 1 1/2" to 2" separation. We recommend also using our non-metallic strapping to ease assembly of the duct bank outside the ditch. Hold Down Bars are also recommended.
With the Duct Donut Spacer you can save time and effort. Your duct bank can be easily pre-assembled outside of the trench. You can also attain either 1½" or 3" separation with the same spacer.
The following are sample duct arrangements of 2 to 6 ducts for 3" separation. For duct arrangements of more than 6 ducts, we recommend also using our non-metallic Donut Strapping to ease assembly of the duct bank outside the ditch. Hold Down Bars are also recommended.