The Brilliant Vigilance of Seattle's Huge New SR-99 Tunnel

How do you keep a tunnel safe? Hundreds of cameras, 17 jet fans, and a sprinkler system that can out-hose Splash Mountain.

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World's biggest tunnel machine Bertha emerges from beneath

Bertha, the world's largest tunnel-boring machine, ends its journey today. It has spent four years traveling less than two miles to build a new car tunnel underneath Seattle.

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1 6 ton excavator machine mini SY16C - Cutting Head

1.6 Ton Excavator for Sale | 1.75 Tonne Mini Diggers | SANY SY16C ... SANY 1.6-ton mini excavator for sale feature high efficiency, low consumption, and 24h star service. Make an inquiry right now for the 1.75 tonne diggers SY16C ...

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Seattle Tunnel Builders To Dig Shaft In Front Of Bertha

The Washington state Transportation Department says that, as expected, the contractors digging a highway tunnel under downtown Seattle will repair a seal system on the tunneling machine by digging a shaft in front of it.

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Bertha’s big breakthrough is here: Seattle tunnel

The disassembly pit where the SR 99 tunneling machine Bertha is set to emerge in Seattle on Tuesday. (GeekWire Photo / Kurt Schlosser) After mining through more than 9,000 feet of Seattle underground, and rebounding from a lengthy breakdown and repair, Be

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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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CNN Student News with transcript Week 8, 2015 - LinkEngPark

CNN Student News with transcript and subtitles, Feb 17-20, 2015

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World's biggest tunnel machine Bertha emerges from - Autoblog

Bertha, the world's largest tunnel-boring machine, ends its journey today. It has spent four years traveling less than two miles to build a new car tunnel underneath Seattle.

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World News Brief - TunnelTalk.com

May 31, 2018 - Prague-Dresden HSR gets 26km rail link Global Rail News May 30, 2018 - Armenia on track to complete large water project Arka News Agency May 30, 2018 - Melbourne Metro station designs revealed Brisbane Times

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Australia 1.6 Ton Excavators | 1.5 Tonne Mini Digger

SANY Australia 1.6-ton mini excavator for sale feature high efficiency, low consumption, and 24h star service. Make an inquiry right now for the 1.6 tonne diggers SY16C-Tier 4f …

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Bertha’s woes grind on: cost rises, tunnel delayed until

Bertha’s problems will cost Washington state an estimated $223 million in cost overruns, ... Seattle Tunnel Partners (STP), ...

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

Apr 04, 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. And now that its job is done, workers can at last move an agi

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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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1.6 Tonne Mini Excavator for Sale | 1.8 Ton Digger Price

SANY 1.6 ton excavator SY16C adopts Tier 3 Final emission engine to support power for excavating. It can easily drive through narrow passages and spaces, suitable for small-scaled urban project.

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Alaskan Way Viaduct - Construction Camera

Mobile users: Download the OxBlue App, use Openlink and type “AWV” (no spaces).

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Agenda | Tunneling Short Course

The Annual Breakthroughs in Tunneling Short Course covers all aspects of conventional and mechanized tunnel design and construction in hard rock, soft ground and soils.

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Tunnelier — Wikipédia

Un tunnelier est une usine de plusieurs dizaines de mètres de longueur. Lorsqu'un tunnelier a fini de creuser son tunnel, il peut creuser un court tunnel divergent dans lequel il est abandonné mais, dans la majeure partie des cas, il est récupéré (démonta

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Surviving Jury Duty in Seattle - Lisa Cach

I recently spent 6 weeks on a jury at King County Superior Court in the Pioneer Square area of Seattle. It was a heavy case, the defendant charged with several counts of aggravated first-degree murder (verdict: guilty).

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Alaskan Way Viaduct replacement tunnel

The Alaskan Way Viaduct replacement tunnel is a bored road tunnel that is under ... WSDOT nicknamed the TBM "Bertha" after Seattle's first female mayor, Bertha Knight ...

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2016 SY16C MINI EXCAVATOR

2017/06/12 · 2016 SANY SY16C MINI EXCAVATOR, CANOPY, RUBBER TRACKS, 12" DIG BUCKET, ****BALANCE OF FACTORY WARRANTY REMAINING**** ***THIS ITEM WILL BE SOLD IN OUR PERMIAN...

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Watch: Bertha breaks through Seattle waterfront

Bertha, the world's largest tunnel-boring machine, completely broke through the north end of the tunnel shortly before noon Tuesday, April, 4 2017. Bertha has broken through. The world's largest tunnel-boring machine completely broke through the north end

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The Spin Zone: Bertha Maker Hitachi Zosen Bites Back

Last April, as Seattle’s tunnel-boring machine, Bertha, closed in on completing its long-delayed task, Hitachi Zosen, the Japanese maker of the machine, was surprised to learn its executives weren’t invited to the ceremony celebrating the moment when Bert

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SR 99 tunnel slated for fall opening: What to know about

SEATTLE -- Bertha finished boring the path for a new tunnel under Seattle nearly one year ago. Since then, construction crews have finished installing a double-deck highway end-to-end inside the tunnel. That leaves crews to finish installing and testing t

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China Sany Sy16c 1.75 Tons Mini Garden Excavator Price

Excavator, Mini Excavator, Digging manufacturer / supplier in China, offering Sany Sy16c 1.75 Tons Mini Garden Excavator Price for Sale, Sany Syt80 (T6011-6) 6 Ton Construction Tower Crane Harga Small Building Crane, Sany ...

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The Bertha Tunnel Boring Machine Completes Seattle’s Big Dig

The Bertha tunnel boring machine was so large that WSDOT conducted a tour inside of it, complete with catwalks, ladders, stairs, a control room, and several break rooms. Despite its size, the Bertha tunnel boring machine is automated, only requiring 25 pe

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