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Seattle bertha tunnel project
It was made by Hitachi Zosen Sakai Works in Osaka, Japan, and the See more. Bertha was a foot-diameter ( m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT) Alaskan Way Viaduct replacement tunnel project in Seattle, Washington, United States. Named after one of Seattle's early mayors, the $80 million drill Big Bertha is feet long, weighs tons, and does much more than drill. Bing helps you turn information into action, making it faster and easier to go from searching to doing. . Find more information on seattle bertha tunnel project on Bing. It was made by Hitachi Zosen Sakai Works in Osaka, Japan, and the machine's assembly was completed in Seattle in June Tunnel boring began on July 30, , with the machine scheduled to complete the tunnel in December On December 6, , work was halted approximately 1, Bertha was a foot-diameter tunnel boring machine built specifically for the Washington State Department of Transportation's Alaskan Way Viaduct replacement tunnel project in Seattle, Washington, United States. On February 28, at am, the rural community was the epicenter of a magnitude. Bertha's journey started not in Seattle, but in Nisqually, Washington, about 60 mi ( km) south of Seattle. The world's largest tunneling machine, nicknamed "Bertha," is now working again, . More than $ million in cost overruns, lawsuits and delays continue to haunt Seattle's big dig project. The tunnel machine was at a standstill feet below First Avenue. After a two-week break, Bertha is tunneling below Seattle's waterfront again.