Seattle Restarting Bertha, the Broken Tunnel Machine |

Stuck underground for years, Seattle's Bertha tunnel boring machine will soon tremble to life once more

Bertha back on the move after 2 years The Seattle Times

This 2012 story in The Seattle Times noted that the Highway 99 tunnel was scheduled to open to traffic “by the start of 2016 Bertha was expected to restart Monday, but the concrete layer

STP management changes enable Bertha restart

23/02/2016· STP management changes enable Bertha restart 23 Feb 2016 Peter Kenyon, TunnelTalk After 41 days of zero progress, Bertha resumes tunneling in Seattle following project owner WSDOT’s decision to lift the ‘suspension for cause’ order on Tuesday (February 23)

WSDOT: Ready to restart Bertha this week | Q13 FOX News

WSDOT: Ready to restart Bertha this week The Bertha tunnelboring machine SEATTLE (AP) — State transportation officials say they are getting ready to restart the tunnelboring project in

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

04/04/2017· Bertha has broken through After nearly four years underground, Seattle’s beleaguered boring behemoth clawed its way into daylight yesterday, leaving a 17mile tunnel behind it

TBM Bertha ready for New Year restart TunnelTalk

The 1748m diameter megaTBM Bertha in Seattle is ready, after its twoyear long repair process, to complete the remaining 8,000ft (2,450m) of its total 9,000ft (27km) drive and is due to mine through the north wall of the recovery shaft during this week, the last week of 2015 and the first week of 2016

Alaskan Way Viaduct Search

Seattle Tunnel Partners is making final preparations for their tunnel drive beneath the viaduct They have told us that the overnight crew will spend the early hours of Friday restarting and testing Bertha, the SR 99 tunneling machine Tunneling is expected to begin sometime during the day shift on Friday

Bertha (tunnel boring machine) Wikipedia

Bertha was designed and manufactured by Hitachi Zosen Sakai Works of Osaka, Japan, and is the world's largest earth pressure balance tunnel boring machine, at a cutterhead diameter of 575 feet (175 m) across The machine was 326 feet (99 m) long and weighed 6,700 short tons (6,100 t) The machine itself cost $80 million and is owned by Seattle Tunnel Partners, the project contractors

The Seattle Times | Local news, sports, business, politics

Local news, sports, business, politics, entertainment, travel, restaurants and opinion for Seattle and the Pacific Northwest

KUOW Gov Inslee Halts Bertha: 'I Have Great Concerns

He said Seattle Tunnel Partners can’t restart Bertha until they can explain exactly why the large sinkhole appeared earlier this week Inslee said work won't resume until the tunnel contractor

How far has Bertha moved since restarting mining

Bertha has been at work ever since the state gave conditional permission to start digging again The tunnel above was constructed before the machine was repaired over the past two years

America's Biggest TunnelBoring Machine Is Stuck

20/02/2014· Bertha is part of a $31 billion plan to replace Seattle's aging Alaskan Way Viaduct with a bored tunnel, and the $80 million machine was going gangbusters at first, churning 30 feet per day

As Seattle’s Alaskan Way Viaduct closes GeekWire

29/04/2016· As for Bertha, WSDOT said that Seattle Tunnel Partners spent the early hours of Friday restarting and testing the machine from its position in a planned maintenance stop

Bertha stall cost estimate: $125 million | Shift Washington

A senior executive says “the costs to repair and restart Bertha, the Highway 99 tunneling machine, are somewhere close to $125 million” From the Seattle Times, “Dixon said the number was based on restarting Bertha by Sept 1, which was STP’s earlier, optimistic goal On Monday, he announced the job would take until March 2015, and []

Bertha Restart Moved to December (And If Curbed

23/10/2015· The last time we heard about a restart date for Bertha, it was going to be November 23 Well, what's another month? WSDOT posted an updated schedule on Thursday that pushed back the restart

Tunnel contractors: Bertha stall may cost $125M | The

The costs to repair and restart Bertha, the Highway 99 tunneling machine, are somewhere close to $125 million, a senior executive says Chris Dixon, project director for Seattle Tunnel Partners (STP), mentioned the figure during a midday briefing today to The Seattle Times' Editorial Board, which is responsible for writing and choosing opinion pieces However, the $125 million

Daylight for TBM Bertha at ‏end of epic journey

Daylight for TBM Bertha at ‏end of epic journey 5 Apr 17 The recordbreaking TBM building a tunnel in the US city of Seattle broke through into her dismantling pit yesterday after a troubled

Chris Dixon explains Seattle TBM stoppage

16/12/2013· An as yet unidentified blockage has brought the world's largest TBM, Bertha, to a standstill in Seattle After making impressive progress of seven 2m wide rings in a 12 hour night shift to advance

Contractor estimates Seattle tunnel machine fix at $125M

SEATTLE The contractor digging a highway tunnel under Seattle says costs to repair and restart the tunneling machine will be at least $125 million

Editorial: Too soon for a Plan B for Bertha; wait for

06/01/2015· Editorial: Too soon for a Plan B for Bertha; wait for Seattle Tunnel Partners to deliver Despite political fingerpointing begins over the stalled Highway 99 tunnel, the job of restarting Bertha lies with the project’s contractor

Court finds against Tutor Perini and Dragados USA

Crews completed repairs and resumed mining in December 2015 Work continued for a month or so, but was then halted before restarting in late April 2016 Bertha reached her dismantling pit in April

State panel says SR 99 project on budget and only slightly

27/02/2014· Seattle Tunnel Partners is expected to release a report by Friday on Bertha’s restart The report lists other concerns as well Funding is one of them, even though panel members say the project

Bertha restart delayed a month

22/10/2015· SEATTLE – Bertha, the giant boring machine digging the new State Route 99 tunnel under Seattle, will restart in late December, Seattle Tunnel Partners and WSDOT announced Thursday

Guest: WSDOT explains the settling The Seattle Times

How viable now is the plan to get Bertha restarted? We’re disappointed with Seattle Tunnel Partners’ progress to date, and we can’t guarantee it will meet its schedule milestones A preliminary review showed its plan to restart Bertha would likely work But an expert technical team is awaiting more information from the contractor once the

Poor communication, tribal damage plague Bertha's

Poor communication, tribal damage plague Bertha's restart by Jon Humbert Monday, May 12th 2014 A A 8 VIEW ALL PHOTOS bertha47smimp4 SEATTLE Bertha

Bertha restart | The Today File | Seattle Times

Posts related to Tag: Bertha restart

Seattle Tunnel Contractor seeks $125 million from

23/04/2014· The head of the Seattle tunnel project says getting Bertha moving again could cost around $125 million And the contractor wants the state to pay for it

Seattle's tunnelboring machine starts moving again KXLY

The tunnelboring machine called Bertha came to life after almost two years of repair work and is set to restart its journey under Seattle

tunnel boring machine Equipment World magazine

Bertha, the world's largest and perhaps most beleaguered tunnel boring machine, has been halted deep below the streets of Seattle Read More Bertha will soon begin digging below the viaduct its

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