The completion of the first of two 300-ton nuclear waste melters at Hanford’s Vit Plant has contractor Bechtel National Inc. looking forward to continued progress on what is arguably the nation’s most complex construction project.
As demolition continued on the Hanford Plutonium Finishing Plant on June 8, one of the two dozen air monitoring stations positioned around the site sounded an alarm after detecting low levels of contamination.
It took years for Bertha, a tunnel-boring machine, to mine 1.7 miles underneath downtown Seattle, but crews will spend just five months removing the 57.5-ft-dia machine from the receiving pit near Seattle’s Space Needle.
The Province of British Columbia has started forward movement on constructing a new $3.5 billion project that includes replacing the aging George Massey Tunnel under the Fraser River with a brand-new, 10-lane bridge.
With the moniker of world’s longest floating bridge hovering around nearly every word written and spoken about the new State Route 520 bridge in Seattle, bridge owner Washington State Dept of Transportation has grown accustomed to the superlatives used when describing its now 1-year-old construction project.