November 2011, Vol. 238 No. 11

TechNotes

Pipeline Job On 58-degree Slope Uses Geotechnical Polyurethane Trench Breakers And Pillows

A recent West Virginia pipeline construction job on a 58-degree slope used geotechnical polyurethane pipe pillows and trench breakers made by a U.S. company, NCFI Polyurethanes. The job was at Dominion Resource’s extraction/fractionation plant in Pine Grove, WV and offered some “pretty hairy” challenges according to observers. First, the pipeline was laid on a 58-degree hillside. That meant trucks, excavators, and other equipment had to be winched up the slope and held in place by cables attached to heavy equipment. Second, it was the rainy season, so erosion of the freshly turned earth was a major concern. Chad Corbin’s company – All Seasons Foam

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