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Eversource Engineers analyze PPM’s CIPL for a capstone project to rehabilitate a leaking bridge pipeline. Read about the role of trenchless technologies in Eversource’s portfolio of solutions for improving safety, reliability, repairing leaks and reducing fugitive emissions.
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.
Assessing ferrous pipe walls provides critical data to determine the condition and integrity of pipelines. When a utility needed to assess a section of a 20 inch cast iron main that runs under a railroad right-of-way, Broadband Electromagnetic Probe (BEM) accurately assessed the condition and the degree of corrosion or graphitization.
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.