Digging resumed on the tunnel boring access pit Thursday after two weeks of work to make the pit's walls watertight. Crews are now 90 feet down on the pit, which will be 120 feet deep when complete.
SEATTLE (AP) - 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 Tunnel Partners has started digging the circular pit that will allow crews access to the broken tunnel digging machine. The operation started Friday, west of the Alaskan Way Viaduct near Pier ...
Seattle Tunnel Partners have resumed digging a repair pit to access the stalled tunnel drilling machine sitting idle under the waterfront. State archaeologists have determined shell deposits ...
Workers have started digging a pit to get at and fix Bertha, the waterfront tunneling machine, the state Department of Transportation reported Monday. Seattle Tunnel Partners rolled an excavator in on ...
The Washington State Department of Transportation has halted digging for the repair pit to access Bertha – the SR99 tunnel machine – after archaeologists found shell deposits, WSDOT announced late ...
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After more than a year stuck under ground, the tunnel boring machine called Bertha has started moving again. © 2025 American City Business Journals. All rights ...
Engineers have removed the cutter head from the enormous tunneling machine nicknamed Bertha. The malfunctioning part had been stuck for more than a year in a highway project under the city's downtown.
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