For significant pipe upsizing, GM Contracting employs pipe reaming technology utilizing its directional drill fleet. A licensed InneReam contractor, GM Contracting is able to replace existing clay, PVC and concrete sewer or storm pipes HDPE or PVC pipe quickly and easily. During the pipe reaming process, GM Contracting effectively places a drill rod string inside the host pipe to be replaced. A special back reamer is pulled back, reducing the existing pipe to small pieces that are carried along with other excess particles by the drilling fluid to a point where they are removed. At the same time, the new HDPE or PVC pipe is pulled into place following the path of the existing pipe. GM Contracting is Southern Minnesota’s pipe reaming expert contractor!