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GAI Consultants names director of transportation
January 2nd, 2023
GAI Consultants, Inc. (GAI) has announced that Steven Walls has joined the firm’s Midwest transportation division as Indiana Director of Transportation. Bringing over 30 years of industry experience to GAI, Walls previously held various roles for both the Indiana Department of Transportation (INDOT) and Florida Department of Transportation (FDOT). He serves GAI’s clients from the […]
CCR landfill final cover test pad—Part 2
October 1st, 2020
By Nina J. Balsamo, John Massey-Norton, John R. Klamut, Terry Queen,Charles F. Straley and Mark R. Lehner FIGURE 1 Test pass of loaded 45-ton (40.8-tonne) truck over 3 feet (0.9 m) of cover soil on bench An integrated drainage system (IDS) geomembrane, which provides both a low-permeability membrane and drainage space above the geomembrane, is […]
CCR landfill final cover test pad—Part 1
August 1st, 2020
By Nina J. Balsamo, John Massey-Norton, John R. Klamut, Terry Queen,Charles F. Straley and Mark R. Lehner An integrated drainage system (IDS) geomembrane, which provides both a low-permeability membrane and drainage space above the geomembrane, is being used in the final cover at a coal combustion residuals (CCR) landfill in West Virginia. Part 1 of […]