tunnel boring machine seattle

    Who Killed Bertha? Why the Seattle Tunnel Disaster Isn't What ...

    Two workers, who request anonymity, suggest the tunnel-boring machine was pushed beyond its limit by a foolhardy contractor.

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    Tunnel Boring Machines | The Robbins Company

    If you are planning to tunnel through ... Tunnel Boring Machines Products. ... Ultimately every contractor wants the best machine possible to complete the project on ...

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    Tunnel Boring Machine Seattle - Video Results

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    tunnel boring machine in chinabertha tunnel boring machine ...

    Seattle Restarting Bertha, the Broken Tunnel Machine | Fortune. Stuck underground for years, Seattle's Bertha tunnel boring machine will soon tremble to life once more.

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

    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's tunnel boring machine Bertha reaches end of long ...

    Bertha, the machine digging a 1.75 mile tunnel under Seattle to replace a waterfront bridge with an underground roadway, had just 30 feet of mining left at the beginning of the day Tuesday.

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    Hard grind: The epic journey of the world's biggest tunnel ...

    On April 4, the world's largest tunnel boring machine broke through to the open air after almost four years underground. Called Bertha, the giant digger was tasked with the challenge of building a tunnel large enough to carry four lanes of motor traffic under the heart of Seattle. The story of how ...

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    Northgate Link Extension | Sound Transit

    Overview: Northgate Link Extension adds three new stations to the growing light rail network, providing access to the system for riders living and working north of Seattle.

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    Seattle's tunnel boring machine finishes digging a hole under ...

    Seattle's boring machine, Bertha, finally emerges after four years.

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    Mysterious object blocking huge drilling machine in Seattle ...

    An unknown object that stopped the world's most powerful tunnel boring machine digging underneath Seattle has finally been identified as a small steel pipe.

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    The World's Largest Tunnel-Boring Machine Must Be Saved

    The World's Largest Tunnel-Boring Machine Must Be Saved. Bertha has stalled deep beneath Seattle, leaving the city's planned waterfront renaissance hanging in the balance.

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    The world's biggest boring machine Bertha is taken out for ...

    Contractors building a highway tunnel under Seattle are preparing to remove the world's largest boring machine so that it can be repaired. The gigantic drill, known as Bertha, stopped working in December 2013 after digging just 1,000ft of its two-mile journey to replace the aging Alaska Way, which ...

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    Seattle's tunnel boring machine Bertha reaches end of long ...

    With a cloud of dust, Bertha — Seattle's tunnel boring machine — reached the end of her long, troubled journey, a milestone in a multibillion-dollar project to replace an aging highway hugging the city's waterfront.

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    Bertha, Seattle's SR 99 Tunneling Machine, Is Finally Done ...

    Bertha has broken through. After nearly four years underground, Seattle's beleaguered boring behemoth clawed its way into daylight yesterday, leaving a 1.7-mile tunnel behind it. And now that its job is done, workers can at last move an aging, potentially dangerous stretch of elevated highway ...

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    Seattle's big tunnel project reaches a milestone, but it's ...

    Seattle's big tunnel project ... a stretch of Highway 99 that runs through north Seattle not far from the tunnel's ... 326-feet-long tunnel boring machine, ...

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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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    Bertha | The Seattle Times

    Read more about the technical challenges and rising costs of the Highway 99 tunnel project, and the successes and travails of Bertha, the biggest-ever boring machine.

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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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    Seattle tunnel boring, stalled for a year, to resume in April ...

    SEATTLE — A new highway tunnel through downtown Seattle won't be open until August 2017, about 20 months behind schedule, state transportation officials said Monday. The contractor, Seattle Tunnel Partners, said it expects to resume tunneling in April. The massive tunnel-boring machine stopped ...

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    king5.com | Seattle's tunnel machine Bertha breaks through ...

    Seattle's tunnel boring machine that's been digging beneath the city for the State Route 99 tunnel reached the end of its 1.75-mile journey Tuesday, nearly four years after it embarked on the job.

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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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    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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    Gizmag goes inside the world's largest tunnel boring machine

    On Saturday,the world's largest tunnel boring machine was dedicated in the city of Seattle. "Bertha," as it's known, will spend the next 14 months boring a 1.7 mile (2.7 km) tunnel under the city to replace a viaduct damaged in a 2001 earthquake.

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