sinkhole halts seattle's 'bertha' tunnel

sinkhole halts seattle's 'bertha' tunnel

  • Finally repaired, Seattle's mega-tunnel drill halted by

    SEATTLE, Jan 14 (Reuters) - Just days after finally rumbling back to life, Seattle’s huge tunnel-digging machine, Bertha, was shut down by state officials on Thursday because of a small sinkhole ...

  • Sinkhole Prompts Inslee To Halt Bertha Tunneling

    Washington Governor Jay Inslee has issued an emergency order to stop the tunneling project along Seattle’s downtown waterfront . The tunnel will replace

  • 35-Foot-Long Seattle Sinkhole Opens, Halting Bertha Tunnel

    A Seattle sinkhole 35 feet long formed this week as contractors were using Bertha, the world's largest tunnel-boring machine, to work on the beleaguered Highway 99 project.

  • Gov. Inslee halts Bertha work after sinkhole forms near

    Seattle Tunnel Partners will have to find the cause of the sinkhole and prove the contractor can prevent similar incidents in the future before resuming work, Inslee said.

  • Bertha drive forced to another halt -

    Bertha drive forced to another halt ... WSDOT has ordered Seattle Tunnel Partners to halt Bertha’s ... Following the appearance of a sinkhole above the tunnel ...

  • sinkhole halts seattle 039 s 039 bertha 039 tunnel

    bertha 039 resumes work on beleaguered seattle tunnel project. bertha 039 resumes work on beleaguered seattle tunnel project. Article expired | The Japan Times. ...

  • seattle bertha tunnel projects -

    Sinkhole halts Seattle's 'Bertha' tunnel project ... When Bertha started tunneling again, project officials said the tunneling portion of the Viaduct project would be complete by January 2017 and open to traffic by April 2018, three years after the origin


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  • Have we learned anything from Bertha's last sinkhole

    Four months after Bertha, the largest tunnel boring machine in the world, caused a 250-cubic-foot sinkhole to open up on Seattle’s waterfront, that same machine is about ready to burrow under a ...

  • Sinkhole Prompts Washington Gov. Inslee To Halt Bertha

    Sinkhole Prompts Inslee To Halt Seattle ... tunneling project along Seattle’s downtown waterfront. The tunnel will ... Bertha tunneling machine ...

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