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Damaged bearings in Bertha
Project Related

Bertha Repair Plan Will Involve Vertical Shaft In Front of Machine

February 20, 2014 rockman Comments Off on Bertha Repair Plan Will Involve Vertical Shaft In Front of Machine

WSDOT announced on Valentine’s Day that the plan to repair the damaged Bertha TBM was not ready yet, as engineers from Hitachi Zosen, the machine’s manufacturer, would need until the end of the month to […]

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