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  Seattle Alaskan Way Viaduct replacement tunnel: Judge finds that tunnel contractors threw away pipe fragments that Bertha hit

  A judge investigating the $624 million cost-overrun lawsuit against the state of Washington finds out that the evidence has been thrown out. The 17,5m diameter Bertha (produced by Japan's Hitachi Zosen)  had hit a steel pipe in 2013. It was an 8-inch steel pipe that was previously...

  Tags: SR99 tunnel Bertha, Seattle Tunnel Partners Dragados of Spain Tutor-Perini, Dragados Tutor-Perini

  1810 days ago