This is an interesting video of crews changing cutterhead teeth on the Bertha TBM beneath downtown Seattle. [Source: WSDOT YouTube Channel. Image: YouTube]
Video: Changing cutting tools on Bertha TBM
Project Related
Lovat TBM breakthrough imminent at Brightwater
Not too many details here since I am not a subscriber to their magazine, but it does appear to be some much needed good news for the King County, WA (Seattle area) Brightwater treatment plant […]
Project Related
Robbins EPBs Undercut Downtown Zhengzhou
The City of Zhengzhou is set to become a major rail crossroads for China, located at the intersections of China’s major North-South and East-West lines. Currently tunneling with tunnel boring machine (TBM) is taking place […]
News
Building the Tunnel Behind Bertha
This is a great little time lapse video from WSDOT that shows the construction of the tunnel behind the Bertha’s disassembly pit for the Alaska Way Viaduct Replacement Project.