U.S. Army Corps of Engineers, Detroit District’s New Lock at the Soo project in Sault Ste. Marie, Michigan, awards $213.8 million contract Option 1B (Chamber Wall Monoliths) to Kokosing Alberici Traylor, LLC (KAT) of Westerville, Ohio.
Contract Option 1B includes construction of the lock wall monoliths, very large concrete wall portions that make up the sides of the chamber along the north and south side of the lock chamber. The chamber monoliths span between the Upstream wide wall monoliths and Downstream wide wall monoliths.