A cured‐in‐place pipe (CIPP) is a trenchless rehabilitation method used to repair existing pipes. CIPP is also known as pipe lining and it is a jointless, seamless, pipe‐within‐a‐pipe with the capability to rehabilitate pipes. A resin‐saturated felt tube made of polyester is inverted or pulled into a damaged pipe. It is usually done from the upstream […]
Pipe bursting is a trenchless method of replacing buried pipes without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed in conventional pipe repair and replacement. A hydraulic expansion or static pull is inserted into the pipe through the “launch” hole. It then fractures the pipe and displaces the […]
At Pipelining Northwest, we are professionals at open trench excavation. We focus on safe sewer repairs and replacements. Open cut trench excavation is a traditional and well-known method for sewer lateral sewer construction, repair, or replacement. It consists of excavating a trench for the manual installation of each piece of pipe. This method is usually […]
A sewer lateral is the pipe that connects a home or business’ plumbing to the city sanitary sewer system. The sewer lateral is owned by the property owner, and often maintenance is neglected, often times due to questions regarding ownership or simply because of the “out of site, out of mind” logic. Neglecting maintenance can […]
