We excavate a launching pit and a receiving pit, then insert a steel cable through your existing sewer pipe. A bursting head is attached to the steel cable, to which a new, high strength HDPE pipe is connected. The hydraulic machine pulls the head and new pipe through the existing pipe, bursting the old pipe and displacing it out of the way. the result is a new, high strength sewer, with minimal damage or disruption to the property. 

This procedure can be used inside existing structures as well.