‘Nothing more than a toothpick’: Court showdown begins over Bertha’s delay in Highway 99 tunnel

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Government claims that the mistakes by Seattle Tunnel Partners (STP) in operation of the world's largest TBM Bertha has caused the delays not the ground water test pipe left by the local government and damaged the machine.

for background please check this news :

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

Instead of settling their five-year dispute, lawyers for Washington state took the offensive Thursday by asking a jury to award $57 million from its Highway 99 tunnel contractors for delays caused when tunnel-boring machine Bertha stalled in 2013.