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Topic: bertha

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February 19, 2015 at 11:01 AM

Bertha breaks into repair vault

Update 4:15 p.m.: Tunnel-boring machine Bertha’s cutterhead is within about three feet of drilling all the way to open air, which ought to happen this evening. Chris Dixon, project manager of Seattle Tunnel Partners (STP), said the team is aiming to replace the damaged bearing seals and other parts, to resume excavating toward South Lake Union, by…

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Comments | More in Traffic & Transit | Topics: Alaskan Way viaduct. Highway 99, bertha

February 18, 2015 at 9:32 AM

UPDATE: Bertha digs 6 feet toward repair pit

UPDATE 4 p.m. During a briefing to the Senate Transportation Committee Wednesday afternoon, Washington State Transportation Secretary Lynn Peterson said that Bertha has now mined six feet toward the repair pit. Peterson added that the project contractors, Seattle Tunnel Partners, are operating Bertha “at a slow, even pace to make sure she does not overheat and that…

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Comments | More in General news, Traffic & Transit | Topics: bertha, highway 99, tunnel

January 30, 2015 at 4:42 PM

Bertha’s repair pit reaches full depth of 120 feet

Excavation crews for Seattle Tunnel Partners (STP) have reached the entire 120-foot depth needed to repair stalled tunnel-boring machine Bertha, state lawmakers were told Friday afternoon. The next step is to build a concrete floor, including a “cradle” to support the cylindrical machine. Then Bertha will attempt to grind forward, through the south side of…

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Comments | Topics: bertha, Seattle Tunnel Partners

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

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