cofferdam News - The Waterways Journal

Final Shell Set For Kentucky Lock Addition Project The Nashville Engineer District and its contractor partner Johnson Brothers put a 1.7-million-pound concrete shell into position February 2 on the riverbed on the downstream end of Kentucky Lock. The last of 10 shells, it will be part of a cofferdam and eventually a permanent part of the new lock wall for the Kentucky Lock Addition Project. (Corps of Engineers photos by Mark Rankin)

The Nashville Engineer District and its contractor partner Johnson Brothers put a 1.7-million-pound concrete shell into position February 2 on the riverbed on the downstream end of Kentucky Lock. The last of 10 shells, it will be part of a cofferdam and eventually a permanent part of the new lock wall for the Kentucky Lock Addition Project. (Corps of Engineers photos by Mark Rankin)

Final Shell Set For Kentucky Lock Addition Project

February 7, 2020

By Lee Roberts Nashville Engineer District Public Affairs A contractor for the U.S. Army Corps of Engineers has placed the 10th and final concrete shell for the Kentucky Lock addition… Read More

Kentucky Lock’s First Lift-In Shell Placed

August 10, 2018

The Nashville Engineer District set its first 1.3-million-pound concrete shell August 6. The lift-in shell forms a part of the downstream cofferdam for the new Tennessee River lock under construction… Read More

Chickamauga Work Proceeding Steadily The cofferdam for the Chickamauga Lock Replacement Project, where the Nashville Engineer District is overseeing the excavation and removal of 100,000 cubic yards of rock.

The cofferdam for the Chickamauga Lock Replacement Project, where the Nashville Engineer District is overseeing the excavation and removal of 100,000 cubic yards of rock.

Chickamauga Work Proceeding Steadily

March 26, 2018

For now, work is proceeding slowly but steadily on the new replacement lock for the 78-year-old Chickamauga Lock and Dam, even though its funding future remains uncertain. Funding issues have… Read More