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seattle tunnel machine bertha back to work

Seattle's Big Tunnel Borer Gets Back to Work | Construction ...

Seattle's Big Tunnel Borer Gets Back to Work Bertha, the machine boring the State Route 99 tunnel under Seattle, resumed tunneling Tuesday after being shut down for more than a month due to safety concerns.

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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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Bertha breaks through: Tunnel boring machine completes 4-year ...

Bertha breaks through: Tunnel boring machine completes 4 ... the same one that sidelined Bertha back in ... KING-TV Seattle's tunnel machine Bertha breaks through ...

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Bertha the Giant Drill Is Ready to Rumble in Seattle

Jan 05, 2016 · About 750 days after she first broke down, Bertha, the massive drill long stuck under Seattle's waterfront, is back to work. Five stories tall and the biggest of her kind, Bertha overheated in December 2013, about a ninth of the way into digging a tunnel for an underground expressway. The ...

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Explaining progress on TBM Bertha repairs - TunnelTalk.com

Work continues at the bottom of the 120ft-deep access shaft where Seattle Tunnel Partners is readying Bertha, the SR99 tunneling machine, for the remainder of her 2.6km tunnel drive beneath downtown Seattle.

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Seattle Tunnel Machine Begins Work Again « CBS Seattle

Feb 22, 2016 · SEATTLE (AP) — The machine digging a tunnel to replace Seattle's Alaskan Way Viaduct has resumed work. State transportation officials said the boring machine, known as Bertha, resumed mining Tuesday after the state allowed the work to continue. Last month Gov. Jay Inslee halted all digging ...

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New 360 video shows tunnel machine Bertha at work beneath ...

China strikes back with $50 billion tariff ... New 360 video shows tunnel machine Bertha at work beneath Seattle as it ... GeekWire Space & Science ...

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Alaskan Way Viaduct replacement tunnel - Official Site

... the tunneling machine Bertha broke ... Seattle Tunnel Partners was ... and the remaining work will occur in their existing work zones at the tunnel ...

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Seattle Tunnel Machine Back To Work After Maintenance

Jul 18, 2016 · SEATTLE (AP) — Bertha the tunnel machine is rolling again. The massive machine boring a tunnel to replace the State Route 99 Alaskan Way Viaduct stopped drilling on June 23 to undergo scheduled maintenance. Seattle Tunnel Partners says Bertha resumed mining Monday. During the maintenance period ...

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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 ... machine Bertha, named for Seattle's ... back ...

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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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Bertha resumes tunneling after course correction - Curbed Seattle

Bertha, the tunnel boring machine currently digging the State Route 99 tunnel, is back to work after an adjustment.

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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 ... when it got to the back of the machine, ...

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Take a 360-degree video tour of the Bertha tunnel machine as ...

Mar 08, 2017 · Bertha, being operated by Seattle Tunnel Partners, ... Managing Editor, Puget Sound Business Journal ... Massive tunnel machine gets back to work below ...

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The Spin Zone: Bertha Maker Hitachi Zosen Bites Back ...

The Spin Zone: Bertha Maker Hitachi Zosen Bites Back. ... as Seattle's tunnel-boring machine, Bertha, ... misunderstanding of how tunnel-boring machines work, ...

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Inside the Highway 99 tunnel: Bertha's done digging, but the ...

Inside the Highway 99 tunnel: Bertha ... A look back at the saga of Seattle's giant tunnel machine; ... or forestall it until the Seattle Fire Department can fight back.

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Seattle tunnel progress a major contrast to past problems

Seattle tunnel progress a major contrast to past ... Bertha, the Seattle tunnel boring machine, ... plenty of changes so they could get approval to get back to work.

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Big Bertha: Mystery object blocks Seattle's tunnel drill ...

The world's biggest tunnel boring machine, named after Seattle's first female mayor, has been brought to a halt

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

Bertha has stalled deep beneath Seattle, ... It's particularly crucial that this system work flawlessly in a tunnel-boring machine, ... back it out of the tunnel, ...

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Where's Bertha? Massive tunnel machine gets back to work ...

Jan 16, 2017 · The tunnel-digging machine known as Bertha is back at it below Seattle after crews replaced 300 of its nearly 500 cutterhead scrapers.

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Seattle tunnel, among world's biggest, takes step toward ...

Apr 03, 2017 · Water from Seattle?s tunnel-drilling machine, Bertha, ... the 6,700-ton machine, work to fill the tunnel with a double ... His Wife's Back For ...

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

Now the Seattle tunnel boring machine is finally back on track. ... Bertha's most precarious work lies ahead as it digs through waterlogged and dense sand and ...

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Alaskan Way Viaduct - Follow Bertha

Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page.

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Watch Bertha, the world's largest tunnel boring machine ...

From the dark depths beneath Seattle, Bertha the SR 99 tunnel machine headed out of the muck and into daylight on Tuesday, completing a final push in a years-long effort to create space for a new highway beneath the city.

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

Stuck in Seattle The Aggravating ... After Bertha got stuck, she couldn't back up because she builds the concrete walls ... STP decided to buy the tunnel-­boring ...

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