seattle tunnel boring machine stuck in seattle

  • Why is Bertha stuck? WSDOT's 5 levels of tunnel-drilling hell

    What exactly went wrong with Seattle's tunnel boring machine? Five different scenarios WSDOT may face this week. The world's largest tunnel machine, Bertha, is stuck 60 feet beneath Downtown Seattle. The tunnel contractor has drilled down, pumped out and pressurized a gap in front of the machine and ...

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  • Alaskan Way Viaduct - Tunneling

    The SR 99 Alaskan Way Viaduct, an elevated concrete structure built in the 1950s and vulnerable to earthquakes, is being replaced with a 1.7-mile tunnel running beneath downtown Seattle.

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  • Fly Through the Massive Tunnel They're Carving Under Seattle

    Life has not been entirely kind to Bertha, the largest tunnel boring machine in all of North America. About two years ago, the machine, which measures 57 feet tall and 325 feet long, started excavating a two-mile tunnel under downtown Seattle. Seven months later, it ground to a halt, stuck. It had ...

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  • Seattle tunnel machine begins drilling after 2-year break ...

    Jan 06, 2016 · Seattle's tunnel-boring machine has moved past the concrete walls that make up a repair pit and has started digging into soil about 80 feet below street-level along the city's waterfront.

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  • Seattle Tunnel-Boring Machine Big Bertha Still Stuck ...

    SEATTLE (AP) — The state Department of Transportation and contractors building a highway tunnel under downtown Seattle are trying to find out what has blocked their tunnel-boring machine.

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  • Yes, Bertha Moved. The Real Test Will Be When the Machine ...

    The Washington State Department of Transportation is hailing this week as a milestone in the unfortunate saga of Bertha, the $80 million tunnel boring machine that's been stalled for two years beneath downtown Seattle.

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  • seattle tunnel machine stuck,Mining Coal,PMTBM

    Pictured: The world's most powerful tunnel-boring machine ... Engineers are still desperately trying to rescue the world's largest tunneling machine that is stuck under the city of Seattle.

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  • Seattle tunnel-boring machine Big Bertha still stuck ...

    Dec 10, 2013 · It will take until Friday at least for the Seattle Tunnel Partners contracting team to identify the object and decide how to proceed.

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  • Steel pipe in the way of Seattle tunnel-boring machine Big ...

    Jan 02, 2014 · The $80 million, five-story-tall machine, dubbed "Bertha," is digging a new path for State Route 99, one of the region's primary north-south arterials. But it became stuck Dec. 6, 60 feet below Seattle streets.

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  • Under Seattle, a Big Object Blocks Bertha. What Is It? - The ...

    Dec 19, 2013 · In October, workers walked through the first rings of the highway tunnel being built under Seattle's waterfront toward the boring machine called Bertha.

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  • Seattle Tunnel Boring Machine Stuck In Seattle - Video Results

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  • Massive tunneling machine stuck under downtown Seattle, fix ...

    May 07, 2014 · A massive tunneling machine is broken down and stuck underneath Seattle's downtown waterfront -- and fixing the mess could cost taxpayers millions.

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  • Alaskan Way Viaduct replacement tunnel - Wikipedia

    The Alaskan Way Viaduct replacement tunnel is a bored road tunnel that is ... the tunnel boring machine broke through to the ... Seattle Tunnel Partners are ...

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  • Rescue in sight for massive tunneling drill stuck underneath ...

    The world's largest tunnel-boring machine, stuck for over a year deep underneath downtown Seattle, was within feet of rescue on Friday, a state official said, raising hopes that a stalled $3.1 billion roadway overhaul could get back on track.

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  • Bertha (tunnel boring machine) - Wikipedia

    Bertha was a 57-foot-diameter (17.4 m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT) Alaskan Way Viaduct replacement tunnel project in Seattle.

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  • Seattle Tunnel Boring Machine -- Bertha Rescue

    Why Seattle's Huge Tunnel-Boring Machine Is Still Stuck A year after Bertha got stuck, plans to free the big machine have stalled. And there's another problem.

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  • America's Biggest Tunnel-Boring Machine Is Stuck Beneath Seattle

    It's not uncommon to see damaged seals or bearings on tunnel-boring machines—WSDOT even put in its design-build contract that Seattle Tunnel Partners needed to have a spare $5 million bearing on hand in case of a problem with the original.

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  • Digging down to stuck Seattle tunnel machine Bertha | The ...

    The Associated Press The Transportation Department says help is on the way for the massive machine Bertha that became stuck last month while boring a tunnel under downtown Seattle.

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  • Seattle toasts the tunnel. Lawyers prepare for war | Crosscut

    Seattle Tunnel Partners employees are seen working at what will be the exit of tunnel boring machine Bertha near 6th Avenue and Thomas Street on Monday in Seattle.

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  • Bertha repair will take longer — there are lots of broken ...

    Bertha repair will take longer — there are lots of broken parts ... the world's biggest tunnel-boring machine, ... project manager for Seattle Tunnel Partners ...

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  • Tunnel Update | Seattle Met

    Our tunneling correspondent was out sick on Friday, so here's a belated update on the Washington State Department of Transportation's (WSDOT) current thinking on the prospects for repairing the tunnel boring machine (TBM), which has been stuck beneath downtown Seattle since early December, as well as some info on how much the project has cost ...

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  • Seattle tunnel machine stuck 60 feet underground - Puget ...

    Dec 08, 2013 · Seattle's tunnel-boring machine became stuck underground Friday, and still wasn't moving as of Monday.

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  • Seattle's unbelievable transportation megaproject fustercluck ...

    The tunnel-boring machine gets stuck . 2. ... which means WSDOT Seattle Tunnel Partners has to dig a 120-foot hole to reach the machine.

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  • Seattle's Giant Drill, 'Bertha,' Is Stuck - Newser

    Dec 11, 2013 · A giant drill boring beneath a section of ... Seattle's Giant Drill, 'Bertha,' Is Stuck ... "Bertha," the massive tunnel boring machine is shown ...

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  • Alaskan Way Viaduct - Follow Bertha

    The SR 99 tunneling machine, nicknamed Bertha, ... this page tracked her progress beneath Seattle. With the machine dismantled and removed, we are now tracking tunnel ...

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