For a cast-iron natural gas main, initial replacement options for Peoples Gas in Chicago seemed straightforward—plastic or steel pipes. Logistical, operational and system constraints led the utility to explore an alternative solution: trenchless pipe-lining technology.
Engineering Innovations Emerge from Lining Challenges
Turnkey Alliance Manages Leak-Prone Infrastructure
PPM and Hallen Construction, National Grid’s primary contractor, deliver turnkey and cost effective solutions to line a 24-inch cast iron gas main on a complex project in Queens, New York. The Starline CIPL technology is integral to National Grid’s long-term strategy to manage leaking infrastructure.
