Every fall, during low-water time on the Mississippi River, a crew of about 300 men and women turns out to resume one of the longest-running and most important construction projects of the U.S. Army Corps of Engineers—the placement of articulated concrete mattresses along the levees to prevent scour and protect communities. Slide Show Photo: Angelle Bergeron / ENR The operation requires a river of cable, fed up from below decks. Related Links: Mat Sinking on the Mississippi Photo: Angelle Bergeron / ENR With most new placement done, the casting yards have dwindled from five to three and the specialized units
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.