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Your guide to the latest news from around the Northwest

Topic: Highway 99 tunnel

You are viewing the most recent posts on this topic.

February 9, 2015 at 3:11 PM

Lane closures will slow Aurora Ave. buses

The southbound bus lane on Aurora Avenue North will be closed for up to 12 weeks this spring, forcing passengers on the crowded E Line and other routes to slog with general traffic from the Aurora Bridge to downtown. “I imagine this will degrade transit service,” said Seattle City Councilmember Mike O’Brien, when the state revealed…


Comments | Topics: Aurora Avenue, Highway 99 tunnel, RapidRide E Line

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…


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

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…


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…


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…


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…


Comments | Topics: bertha, Highway 99 tunnel

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…


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…


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

October 29, 2014 at 4:02 PM

Shells in Bertha’s repair vault likely from settlers’ oyster business

Old shells discovered within tunnel machine Bertha’s repair pit likely were not left by Native tribes, but by white settlers who removed oyster meat and left shell piles behind, officials say. Allyson Brooks, state historic preservation officer, said Wednesday the shells are mostly from small Olympia oysters that grew far from Elliott Bay, and later…


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

October 28, 2014 at 5:26 PM

Archaeologists start shell study at Highway 99 tunnel site

Archaeologists began an investigation Tuesday afternoon alongside stranded tunnel machine Bertha, where a deposit of shells appeared last week roughly 20 feet below street level. The shells turned up while workers were excavating a 120-foot-deep vault that will be used this winter to lift away the machine’s front end so it can be repaired. The shells…


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

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