Went is an electric duct bank is recommended to be reinforced.
We understand that 3 ft below grade from the top of a concrete encased duct bank, heavy load in the surface will be distributed around the earth that minimize the impact on the duct bank assembly.
Any suggestion?
We understand that 3 ft below grade from the top of a concrete encased duct bank, heavy load in the surface will be distributed around the earth that minimize the impact on the duct bank assembly.
Any suggestion?