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Watch After 4 Years, Seattle's Giant Tunneling Machine ...

After 4 Years, Seattle's Giant Tunneling Machine Finally Breaks Through Bertha, the largest boring machine in North America, has reached the light at the end of the tunnel, after getting stuck, and sitting motionless underneath the city for two years.

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Sand Grinds World's Largest Tunneling Machine …

Mar 01, 2014 · Sand Grinds World's Largest Tunneling Machine To A Halt Bertha, which got stuck digging a Seattle highway tunnel, is 60 feet below ground and can't move forward — or backward.

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World's largest tunneling machine still stuck - CNN …

Feb 13, 2015 · CNN's Thom Patterson explains how engineers plan on getting Bertha, the world's largest tunnel machine, digging again in Seattle.

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Seattle tunnel machine stuck 60 feet underground …

Dec 09, 2013 · Seattle's tunnel-boring machine became stuck underground Friday, and still wasn't moving as of Monday.

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Bertha, The Giant Tunnel-Boring Machine … 2015-2-19 · For more than a year, Seattle's ambitious urban planning efforts have been stymied by a serious problem -- the world's largest tunnel-boring machine has been stubbornly stuck beneath the city.

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Rescue in sight for massive tunneling drill stuck ...

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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Front-End Of Tunnel-Boring Machine Freed From Seattle …

Front-End Of Tunnel-Boring Machine Freed From Seattle Pit Engineers have removed the cutter head from the enormous tunneling machine nicknamed Bertha. The malfunctioning part had been stuck for more than a year in a …

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Bertha, The Giant Tunnel-Boring Machine Stuck …

Bertha, The Giant Tunnel-Boring Machine Stuck Under Seattle, Makes First Progress In Over A Year

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Big 'Bertha' still stuck as crews work to remove clog ...

Dec 10, 2013 · The State Route 99 tunneling machine has ... Big 'Bertha' still stuck as ... according to the Seattle Times. The State Route 99 tunneling machine ...

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Bertha, The Giant Tunnel-Boring Machine Stuck …

Bertha, The Giant Tunnel-Boring Machine Stuck Under Seattle, Makes First Progress In Over A Year

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Front-End Of Tunnel-Boring Machine Freed From Seattle …

Front-End Of Tunnel-Boring Machine Freed From Seattle Pit Engineers have removed the cutter head from the enormous tunneling machine nicknamed Bertha. The malfunctioning part had been stuck for more than a year in a …

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America's Biggest Tunnel-Boring Machine Is Stuck …

What's wrong with big Bertha? America's Biggest Tunnel-Boring Machine Is Stuck Beneath Seattle What's wrong with big Bertha?

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Pictured: The world's most powerful tunnel-boring machine ... The final phase of repairs are being made to get Bertha, the five story-high drilling machine stuck underneath the city of Seattle moving again after grinding to a halt last year after striking an object.

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Bertha Stuck Again: Sinkhole Prompts Suspension …

The adventure of Bertha the tunnel-boring machine, ... Bertha Stuck Again: ... the governor aired the worry shared by many citizens — that if Seattle Tunnel ...

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Tunnel boring machine - Wikipedia

A tunnel boring machine (TBM), also known as a "mole", ... It was delivered to Seattle, Washington, for its Highway 99 tunnel project.

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The end is near for Bertha: After ... - The Seattle Times

Bertha has made it to the finish line. The celebrity boring machine's arrival near Seattle Center, some 29 months late, guarantees a Highway 99 tunnel bypassing downtown.

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

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Stuck in Seattle The Aggravating ... We're here to see Bertha, one of the world's biggest tunneling machines. ... After Bertha got stuck, ...

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Massive tunneling machine stuck under downtown Seattle ...

May 08, 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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The most powerful boring machine stuck ... - Daily Mail Online

Engineers are still desperately trying to rescue the world's largest tunneling machine that is stuck under the city of Seattle. Bertha, a five story-high drilling machine that was custom-built to drill the Alaska Way, ground to a halt in December after stopped by an 8-inch diameter steel pipe.

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