Tag: large construction projects

Construction Equipment

Repairs to Big Bertha will require a 12-story pit and removing the tunnel-boring machine’s cutterhead

Officials from the Washington State Department of Transportation have announced that in order to repair the world’s largest tunnel-boring machine, her head will need to come off. The announcement, which came during a presentation to city council members in Seattle, comes nearly three weeks after WSDOT officials announced that Big Bertha would be out of […]

February 27, 2014