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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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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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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 mud ... largest tunnel boring machine in the world - Popular Mechanics. More than 150 feet below the streets of Seattle, ...

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

Bertha got stuck for a year under Seattle ... contractor Seattle Tunnel ... Crews struggled for weeks to reach the object that was blocking the boring machine, ...

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Family Feud Best One Page Answer Cheat | Page 2. Question Answer; Name something you would wan't to run over with your lawnmower. Rocks, Animals, Poop, Hose, Toys, Sprinkler: Name a …

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Tunnel Boring Machine Stuck In Seattleboring Machine Stuck In Seattle - Video Results

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

And after then-Mayor Mike McGinn predicted in 2010 that Seattle residents would get stuck paying ... (Ellen M. Banner / The Seattle ... of the tunnel-boring machine ...

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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 ... machine Big Bertha still stuck; obstruction ... their 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 Giant Tunnel-Boring Machine Stuck Under Seattle ... The machine has been stuck beneath the city for over a year, but has dug through 6 feet of soil this week.

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Bertha repair will take longer — there ... - The Seattle Times

Bertha repair will take longer — there are lots of broken parts ... the world's biggest tunnel-boring machine, ... The machine is stuck near Pioneer Square, ...

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seattle tunnel drill gets stuck. Our company is a leading high-end j boring machine equipment supplier, mainly engaged in mine mining machinery equipment.

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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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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's long-broken tunnel-boring machine set to resume Nov. 23

Jul 16, 2015 · Seattle's long-broken tunnel-boring machine set to resume ... the world's largest tunnel-boring machine, ... It was stuck for more than a year underneath ...

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Stuck In Seattle | Bloomberg Business - Business, Financial ...

Stuck in Seattle The Aggravating ... After Bertha got stuck, ... STP decided to buy the tunnel-­boring machine from Hitachi Zosen, ...

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

May 07, 2014 · Massive tunneling machine stuck under downtown Seattle, ... because fixing the tunnel-boring machine is expected to take until March 2015 and cost $125 ...

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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 ... the boring machine, ... Seattle Tunnel Partners ...

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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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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 tunnel boring machine stuck - Roadheader Cutting Machine. Why Seattle's Huge Tunnel-Boring Machine Is Still Stuck. A year after Bertha got stuck, ...

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

Apr 03, 2017 · 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.

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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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