Pipe bursting is one of several trenchless methods for replacing sewer laterals.Total project cost is not the sole factor in selecting the repair strategy. Others include service interruption time, surface disruptions and restoration costs, project site accessibility, terrain and the repaired line’s service life.Pow-R Mole offers trenchless solutions that include the PD-6 thrust boring machine. It was used for a line replacement at Grampian Hills Apartments, a 198-unit community in Loyalsock Township near Williamsport, Pa.The complex has an extensive collection system that eventually discharges to the township sewers. When faced with a mandate to replace several 8-inch terra cotta gravity
