pipe-bursting
n.— «However, the sanitary districts also used a process called “pipe-bursting,” Carmouche said. In that process, a line was threaded into the sewer. Once inside, he said, it expanded to become a new sewer pipe.» —“Gary makes new push for sewer repair” by Jon Seidel Post-Tribune (Merrillville, Indiana) Feb. 10, 2008. (source: Double-Tongued Dictionary)