When the city of Amarillo, Texas, needed to repair more than 400 ft/122m of corroded 24-inch diameter iron wastewater pipes buried beneath a busy four-lane highway, it faced a dilemma. Corrosion was ...

It goes by several aliases: Trenchless technology. In-situ pipe repair. Pipe-within-a-pipe. By any name, the underground construction rehabilitation market is a boon to motorists, who suffer fewer ...

First US use of a steel compression sleeve for pipeline repair confirmed nearly 7 years of Canadian and Mexican experience that the method can permanently repair longitudinal defects on an operating ...