Combination truck and CIPP
liner used to rehab force main
Problem: The Allegheny Valley Joint Sewage Authority in Pennsylvania discovered a leaking 20-inch ductile iron and steel force main just upstream from their treatment plant. The fact that the force main crossed over a small creek and was suspended underneath a Norfolk Southern Railroad bridge made the problem more complex. To dig and replace the buried part of the failed line and replace the pipe suspended under the bridge would have significantly interfered with railroad operations, not to mention being extremely cost-prohibitive.
Solution: Insight Pipe Contracting was contracted to reline the force


















