Pipeline Renewal

Gas Utilities & PPM: Proactive Approach to Lining Steel Mains

Steel gas mains come in a variety of specifics requiring a slightly different approach for reconditioning. A heightened level of awareness needs to be addressed in these three areas before the lining process begins.

LEAK REPAIR TECHNOLOGY FOR BRIDGE PIPELINES

Starline® Cured-in-place-lining with carbon fiber SRS is an ideal solution to repair gas leaks within bridge pipelines. Of the 614,387 suspension bridges in the U.S, forty two percent are 50 years or older. In the Northeast, gas pipelines and bridges are typically 75 - 100 years old.

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.

LINING A GEOMETRICALLY COMPLEX MESS INVOLVING A LEAKING GAS MAIN

The award winning renewal of a 30 to 36 in diameter leaking high pressure (HP) gas main crosses a river in central New Jersey. It was affectionately named “The Mess” due to multiple complexities that required engineering and design solutions for a successful lining operation.