Stabilization of Hanford Waste Storage Tunnel Successful | 2019-05-20 | Engineering News-Record: The shoring of a waste storage tunnel at the Dept. of Energy’s Hanford Nuclear Waste Site in southeast Washington proved successful and wraps the response to a May 2017 partial collapse of an adjoining tunnel. In 2017, Tunnel 1 next to the Plutonium Uranium Extraction Facility (PUREX) partially collapsed, causing an emergency response and shut down of work at the Hanford site for two days. An engineering evaluation of Tunnel 2 next door showed it also had a high risk of collapse, leading to contractor . . .
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