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The Bertha TBM after most of the repairs were completed

Bertha Tunneling to Resume 1 Month Later Than Planned

November 13, 2015 rockman Comments Off

The Seattle Tunnel Partners JV announced last month that tunneling on the Alaska Way Viaduct Replacement project will resume a month later than originally planned. The Bertha TBM will resume mining on December 23 after […]

ADSC Foundation Drilling Magazine - January Cover

Bertha TBM Access Pit Excavation Complete

February 9, 2015 rockman Comments Off

The excavation has been completed for the access shaft or rescue shaft that was needed to be able to remove the damaged cutterhead of the Bertha TBM on the Alaskan Way Viaduct Replacement project in […]