measured between a point on the top surface of any direct-buried conductor, cable, conduit, or other raceway and the top surface of finished grade, concrete, or similar cover. 2. Raceways approved for burial only where concrete encased shall require concrete envelope not less than 50 mm (2...
OHPer Column 3, The shallowest PVC conduit can be buried is 4" with 4" of non-traffic bearing concrete cover extending 6" beyond the pipe. An alternate is 12" deep in a trench with 2" of concrete cover. The 3rd option is 18" deep (to the top of the conduit) with no concrete ...
OHPer Column 3, The shallowest PVC conduit can be buried is 4" with 4" of non-traffic bearing concrete cover extending 6" beyond the pipe. An alternate is 12" deep in a trench with 2" of concrete cover. The 3rd option is 18" deep (to the top of the conduit) with no concrete ...