Replacing driveway and running an extension up the side of the house and found that the conduit for the electric stops right below where the soil was. Checked with some people and was told that when the house was built this was standard thing to do. What is the proper way to lay concrete around the wires? Do I get a large plastic pipe and cut enough out of it to slide around the wires to protect them? I am worried about maintenance issues later down the road if the wires ever need to be replaced. When installed the pad will be above the existing conduit but below the siding by about 3 inches.