Contractors building a new highway tunnel under downtown Seattle have started digging a 120-foot pit to rescue a stalled boring machine named Bertha. Seattle Tunnel Partners also is pumping out ...
The front of the damaged digging machine for the Highway 99 tunnel project sits at the bottom of an access pit in March 2015 in Seattle. Crews were dismantling the front of the machine so they could ...
Digging resumed Thursday in a pit near the Seattle waterfront that will be used to repair a huge machine that broke down while trying to bore a highway tunnel under the city. The Seattle Daily Journal ...
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