The U.S. Army Corps of Engineers is hastening already-awarded rehabilitation contracts for the Markland Lock and Dam on the Ohio River after the lock’s downstream miter gate detached and sunk to the bottom of the lock chamber. The Corps says a “catastrophic equipment malfunction” on Sept. 27 disabled both 250-ton leaves of the miter gate, taking one off its hinges. It then crashed into the other. Photo: U.S. Army Corps of Engineers One of the lock’s 250-ton doors came off its hinges and went to the bottom, damaging its twin. + Image Photo: U.S. Army Corps of Engineers Sonar shows
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.