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Seattle's Big Bertha Tunneling Machine Is Finally Back on Track

Seattle's Big Bertha Tunneling Machine Is Finally Back on Track After three years and millions of dollars in repairs, the SR99 tunneling machine in Seattle has resumed operations ...

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Bertha, Seattle's SR 99 Tunneling Machine, Is Finally Done Digging | WIRED

After 4 Years, Seattle's Giant Tunneling Machine Finally Breaks Through Sign In Subscribe business culture gear ideas science security transportation photo video backchannel Search business culture gear ideas ...

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Bertha (tunnel boring machine) - Wikipedia

Bertha resumed tunneling on Friday, April 29, 2016, digging under the Alaskan Way Viaduct. ... Problems with the seal system appear to date back to the machine's initial testing in Japan, when the seal assembly was damaged and required repairs. However, ...

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Seattle's Big Bertha Tunneling Machine Is Finally Back on Track. After three years and millions of dollars in repairs, the SR99 tunneling machine in Seattle has resumed operations. ...

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How did we get here? A look back on Seattle's tunnel machine ... Bertha's end could be near. ... Seattle's Big Bertha Tunneling Machine Is Finally Back on Track We've covered the saga of the SR99 tunneling machine, better known as Bertha, since it broke ...

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Seattle tunnel machine Bertha reaches halfway point — here's a rare look inside the massive project – GeekWire

The receiving pit at the north end of Seattle's SR 99 tunnel project, where Bertha the tunnel machine will break through next year. (Kurt Schlosser / GeekWire photos) The SR 99 tunneling machine has passed the halfway point on its long journey beneath Seattle ...

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The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the … Get Quote Mysterious 'unknown object' blocks progress of … A mysterious object blocking the world's largest tunneling machine from finishing an underground highway in ...

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The end is near for Bertha: After nearly 2 miles in 4 years, tunnel machine about to break through | The Seattle Times

How did we get here? A look back on Seattle's tunnel machine Bertha More on Bertha The end is near for Bertha: What happens next after nearly 4 years of tunneling? ...

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Bertha back to digging under Seattle - seattlepi.com

Crews worked Monday, Aug. 24, 2015 to begin one of four crane operations to lower Bertha's cutter head and drive unit back into the ground. Once the giant tunnel boring machine is back together and tested, it will start tunneling again Nov. 23, nearly two years after ...

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Seattle's Big Bertha Tunneling Machine Is Finally Back … A look back on Seattle's tunnel machine Bertha . ... of the 120-foot-deep access pit that crews will use to access and repair Bertha, the SR 99 tunneling machine.

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Bertha's breakthrough just 'halftime' for tunnel ... A look back at the saga of Seattle's giant tunnel machine; Get a Price World's Largest Underground Tunneling Machine - Video Results Get a Price ...

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Alaskan Way Viaduct - Follow Bertha - Washington State Department of Transportation

The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our ... While Bertha was underground, this page tracked her progress beneath Seattle. With the machine dismantled and removed, we are now Traffic ...

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How did we get here? A look back on Seattle's tunnel machine ... A look back on Seattle's tunnel machine Bertha ... The machine arrived to Seattle on ... repair-access pit and began tunneling again under Seattle's ... Get A Free Quote

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Lowering the SR 99 tunneling machine's front end back into the access pit - YouTube

Seattle Tunnel Partners and crane crews from Mammoet successfully lowered the 2,000-ton front end of Bertha, the SR 99 tunneling machine, to a platform in th...

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What's Blocking Bertha, Seattle's 5-Story Tunneling Machine? : The Two-Way : NPR

What's Blocking Bertha, Seattle's 5-Story Tunneling Machine? : The Two-Way The giant cutter is designed to bore through rock and soil without a problem. ...

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Bertha, Seattle's SR 99 Tunneling Machine, Is Finally … Bertha's breakthrough just 'halftime' for tunnel project ... A look back at the saga of Seattle's giant tunnel machine; ... a tunneling tradition ...

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Bertha, Seattle's SR 99 Tunneling Machine, Is Finally Done ... Apr 03, 2017 · Bertha has broken through. ... lawmakers push bill to kill seattle 039 s bertha tunnel project seattle tunnel project big bertha bertha seattle tunnel project bertha 039 resumes work on ...

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Bertha | The Seattle Times

MOHAI takes Bertha's control-room consoles for a future display Two control-room consoles and four cutting pieces from retired tunnel-boring machine Bertha will be displayed someday at the Museum of History & Industry.

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Bertha Finally Breaks Through In Seattle | KCUR

KELLY MCEVERS, HOST: People in Seattle today heard a noise they've been waiting for for four years. (SOUNDBITE OF ROCKS CRUMBLING) MCEVERS: It's the crashing and grinding of the giant tunneling machine known as Bertha. Today it dug its way back ...

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Seattle's Big Tunneling Machine Is Back on Track After three years and millions of dollars in repairs, the SR99 tunneling machine in Seattle has resumed operations. Get a Price Bertha stops for a break under Seattle - MyNorthwest.com ...

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Seattle tunnel progress a major contrast to past problems

The progress that Bertha, Seattle's boring machine, is making is a huge relief for contractors and the state. ... Back in December of 2013 Bertha ran into several problems that led to a tunneling shutdown. After overheating several times, engineers discovered ...

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