Challenging Renewal of 42-Inch Trunk Gas Main under the Garden State Parkway in East Orange, NJ Sets New World Record
By: George Ragula, Public Service Electric & Gas
Trenchless for Gas Infrastructure - Spring/Summer 2020
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Technical innovations gained from previous experience, detailed planning, field innovations, and the knowledge base provided by industry research and development were key elements in helping us achieve a new world record last summer lining the largest diameter gas pipeline ever renewed using CIPL.
The new world record diameter milestone set on July 19, 2019 lining 573 feet of 42-inch high pressure cast iron (CI) gas main crossing under the Garden State Parkway at the Central Avenue Bridge in East Orange, New Jersey was accomplished because of the lessons learned by ourselves and lining contractor Progressive Pipeline Management (PPM) of Wenonah NJ, in overcoming challenges on previous CIPL projects renewing progressively larger diameter CI gas mains. This breakthrough milestone was achieved with help and expert advice from NASTT industry colleagues. Records are made to be broken, and surpassed with even greater achievements. Research and development, based on acquired experience, provides the foundation for this effort. Two years ago in September 2017 we set a new world record, and a major breakthrough for CIPL at the time, when we lined 2,000 LF of 36-inch CI feeder main in nearby South Orange.
Largest diameter ever back then, it was one of the most challenging projects I’d ever faced. The lessons we learned lining the 36-inch pipe became invaluable in planning future projects with larger diameters and longer inversions. The obstacles we overcame on this landmark 36-inch project in 2017 were instrumental in driving the new technical innovations that were crucial in setting the new milestone World Record 42-inch CIPL in summer 2019.
