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Topic: bertha

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January 22, 2015 at 2:09 PM

Dispute board: State should pay tunnel builders for Sodo groundwater headaches

The state should pay Seattle Tunnel Partners (STP) for tackling severe groundwater flows around the launch pit in Sodo for the Highway 99 tunnel machine, a dispute resolution board says. STP  is seeking $20 million, based on a request two years ago.  That sum could be covered by the state’s existing tunnel contract, whose $1.44 billion total…

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Comments | More in Traffic & Transit | Topics: bertha, Highway 99 tunnel, Sodo

January 12, 2015 at 11:07 AM

City taking its own look at viaduct safety, as relations with WSDOT fray

The city of Seattle says it has hired its own engineering consultants to take an independent look at the Alaskan Way Viaduct, to see whether groundwater removal and other Highway 99 tunnel work poses a hazard. The $155,000 study by CH2M Hill will start by reviewing state modeling of the 61-year-old viaduct and may go…

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Comments | More in Government, Traffic & Transit | Topics: Alaska Way Viaduct, bertha, Seattle Tunnel Partners

January 6, 2015 at 2:00 PM

Vehicle, bike, pedestrian access changing at Seattle ferry terminal

Access to the ferry terminal at Colman Dock on the Seattle waterfront will be changing next week due to construction projects in the area, according to a news release from the Washington State Department of Transportation. All vehicles will enter the terminal via Yesler Way. Terminal access also will shift for pedestrians, cyclists and water taxi…

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Comments | More in General news, Traffic & Transit | Topics: bertha, Colman Dock, ferry terminal

December 22, 2014 at 2:31 PM

Tentative Highway 99 tunnel opening: August 2017

The Highway 99 tunnel schedule will absorb another eight months of delay — not opening until August 2017, according to an a tentative schedule released Monday. Seattle Tunnel Partners gave that estimate in an Oct. 31 schedule chart, which was released Monday by the Washington State Department of Transportation. That would increase total delays to…

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Comments | More in Traffic & Transit | Topics: bertha, Highway 99 tunnel

December 16, 2014 at 1:09 PM

Digging to resume at Bertha’s repair vault

Seattle Tunnel Partners got the green light to resume digging Tuesday night in front of Bertha, the stranded boring machine for the Highway 99 tunnel project. The state ordered the contractors late Friday to stop excavating an access vault, and write an emergency plan that would allow them to safely stop groundwater pumping — in the…

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Comments | Topics: bertha, groundwater, Highway 99 tunnel

December 12, 2014 at 5:00 PM

Seattle’s most famous road crack filled Friday

A long crack on South King Street, which may or may not have been deepened by the Highway 99 tunnel project,  was filled with asphalt Friday. “It’s just like a pothole repair,” said Rick Sheridan, spokesman for the Seattle Department of Transportation.  The fix followed findings by Seattle Tunnel Partners, using ground-penetrating radar, that there are…

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Comments | Topics: bertha, cracks, Highway 99 tunnel

December 9, 2014 at 5:57 PM

Actually, digging continued Tuesday at Bertha’s repair pit

Despite this week’s scare about soil settlement in Pioneer Square, excavation continued Tuesday at the access vault that will be used to reach stalled tunnel machine Bertha. Seattle Tunnel Partners removed three feet and has now reached 84 feet depth, for the 120-foot deep shaft, the Washington State Department of Transportation said Tuesday afternoon. Progress can be…

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Comments | Topics: bertha, Highway 99 tunnel

December 5, 2014 at 2:41 PM

Viaduct and soil sink near stranded Bertha

Update, 9:40 p.m.| Read transportation reporter Mike Lindblom’s full story on the problem, and what officials say it could mean for the Highway 99 tunnel project. Original post | The Alaskan Way Viaduct and nearby soil have sunk 1.2 inches this fall alongside stranded tunnel machine Bertha, senior state engineers said Friday afternoon. The settling shows that…

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Comments | Topics: alaskan way viaduct, bertha

November 3, 2014 at 3:11 PM

Excavation to tunneling machine resumes; no artifacts found

Archaeologists have seen enough 19th-century shell deposits that they can let heavy excavation resume at Seattle’s Pioneer Square waterfront, where workers are digging an access pit to reach buried tunnel-boring machine Bertha. Seattle Tunnel Partners was given permission Sunday to continue digging the 120-foot-deep vault, after stopping work Oct. 23, the state Department of Transportation announced…

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Comments | More in General news, The Blotter | Topics: bertha, Highway 99 tunnel, Seattle

October 31, 2014 at 9:04 PM

New tunnel-machine bearing arrives from Japan

Hitachi built a new seal ring in Japan for its stranded tunnel-boring machine, and it arrived Friday at Seattle’s Terminal 46. The state Department of Transportation tweeted photos of new seal ring, as well as the new bearing. Previously, Seattle Tunnel Partners (STP) said it kept a spare bearing, a requirement of its $1.44 billion contract to…

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Comments | More in Traffic & Transit | Topics: bertha, Highway 99 tunnel

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