DOE completes cocooning of Hanford’s K East Reactor

October 31, 2022, 9:30AMRadwaste Solutions
DOE contractor CPCCo recently completed construction of a protective cocoon over the former K East Reactor building at Hanford. (Photo: DOE)

The Department of Energy’s Office of Environmental Management (EM) announced that construction of Hanford’s K East Reactor cocoon has been completed ahead of schedule and under budget. Cocooning of K East—enclosing it in a protective steel structure while the reactor’s radioactivity naturally decays—was one of EM’s key construction priorities for 2022.

To continue reading, log in or create a free account!

Related Articles

Innovation for advanced fuels at SRNL

October 3, 2025, 3:01PMNuclear NewsCatelyn Folkert

As the only Department of Energy Office of Environmental Management–sponsored national lab, Savannah River National Laboratory has a history deeply rooted in environmental stewardship...