TBM Bertha ready to resume in Seattle

30 December, 2015: At a media event in Seattle, members of the press learned that the 17.48m diameter mega-TBM Bertha in Seattle is ready, after its two-year long repair process, to complete the remaining 8,000ft (2,450m) of its total 9,000ft (2.7km) drive and is due to mine through the north wall of the recovery shaft during this week - the last week of 2015 and the first week of 2016. Todd Trepanier, Program Administrator for WSDOT, and Chris Dixon, Project Manager of Seattle Tunnel Partners (STP), describe in detail the relaunch process and the TBM mining program for 2016.

[@victorschepers6286]

Where was this machine build??

[@duanewhite3184]

They lied about what brought that machine to a halt

[@williamcondon7729]

It was a pipe that they missed during the initial survey. Did they say it was something else?

[@kevintaylor1928]

The previous video said that something was blocking the TBM and this video said that the head was repaired and put back into service. They never said what was blocking it!

[@victorschepers6286]

Yes no answer??🇾🇪😢

[@kevintaylor1928]

@@victorschepers6286 Nope, no answer.

[@Karen-hu5fo]

There was no block. Period.

[@michelleowenwest4249]

A multi-million dollar lawsuit was fought about whether it was steel pipe that shouldn’t have been there or a large boulder. The state won, and it was their position that the pipe couldn’t have caused the problem.

[@kevintaylor1928]

@@michelleowenwest4249 OK, thank you, Michelle.

[@user-cc6zz3wq6t]

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