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Topic: Highway 99 tunnel

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April 8, 2014 at 3:31 PM

A noise wall for work on tunnel machine Bertha

Workers at the Highway 99 tunnel site are building a plywood noise wall this week, so Seattle Tunnel Partners can get permission from the city to work at night. STP will dig an 83-foot diameter, 120-foot deep circular pit to perform front-end repairs on the drill called Bertha, which has advanced only four feet since Dec….

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0 Comments | More in General news, Traffic & Transit | Topics: bertha, Highway 99 tunnel, Pioneer Square

March 13, 2014 at 3:18 PM

Soil near Bertha to be searched for artifacts

Before contractors dig a pit to repair the front end of  the Highway 99 tunnel machine, a grid of 60 narrow test holes will be drilled there to check for historic artifacts. The probing will take about one week, said Steve Archer, cultural resources specialist for the Washington State Department of Transportation (WSDOT).  Archer doesn’t necessarily expect…

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

March 8, 2014 at 9:52 AM

Saturday Memo: Oil slicks found … Highway 99 work goes on … Sounders FC season opener

Weather: Temperatures in the mid-50s are in the forecast and it will almost certainly rain. Consider today’s comic a cautionary tale. More from the National Weather Service forecast. Plane missing, oil slicks found: The two large slicks off the Vietnamese coast are the first sign that the missing Malaysia Airlines jet, carrying 239 passengers…

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0 Comments | More in Morning Memo | Topics: bertha, Highway 99 tunnel, malaysia plane

March 1, 2014 at 10:49 AM

Saturday Memo: Bertha to be stuck all summer … Pearl Jam embezzler sentenced … Bluegrass in Bellevue

Traffic: Expect delays in downtown Seattle this weekend as Highway 99 between Denny Way and South Spokane Street will close from 6 a.m. to 6 p.m. Saturday and Sunday. The closures allow crews to conduct a routine inspection of the Alaskan Way Viaduct and, on Sunday, a charity race. Weather: In the 40s today. Windy,…

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0 Comments | More in Morning Memo | Topics: alaskan way viaduct, bertha, Columbia River

February 28, 2014 at 2:21 PM

Tunnel contractors aim for a Sept. 1 restart for Bertha

Chris Dixon, project director for Seattle Tunnel Partners (STP), told reporters Friday that his team has set a Sept. 1 goal to restart stranded boring machine Bertha. That would amount to a nine-month stoppage overall. The world’s widest tunnel-boring machine halted Dec. 7 when it overheated, and sand was found in the grease around the main…

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

February 27, 2014 at 10:13 AM

New report: Tunnel project will be late, could be on budget

The Highway 99 tunnel project will probably be finished a few months late, even if workers accelerate by working 24 hours a day, says a report this morning by the governor’s expert-review panel, whose primary job is to examine financial risks. Nonetheless, the panel maintains confidence the entire $3.1 billion Alaskan Way Viaduct replacement, including the…

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

January 31, 2014 at 9:46 AM

Bertha running a fever; shutdown to continue

Update| 5:35 p.m: The Highway 99 tunnel machine will remain shut down for perhaps another week of inspections and strategizing, after it churned forward at abnormally high temperatures Tuesday and Wednesday. After a seven-week shutdown, Seattle Tunnel Partners (STP) restarted the drill known as Bertha and bored ahead two feet on Tuesday. The machine ran hot, so…

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January 28, 2014 at 5:57 PM

Tunnel machine creeps ahead two feet

State officials said the Highway 99 tunnel machine crept forward two feet  today — its first forward progress since Dec. 6, when Seattle Tunnel Partners stopped mining near the waterfront to examine the mechanical parts and the rotary cutting face. The short trip allowed workers to hoist and fasten the 149th ring of the tunnel…

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January 15, 2014 at 4:16 PM

State has long had concerns about Bertha, wants answers — today

The state Department of Transportation says it’s been concerned about the operations of tunnel machine Bertha since its July 30 launch — long before the blockage that has left it stranded 60 feet deep near Pioneer Square for more than a month. In a note to lawmakers today, WSDOT Secretary Lynn Peterson said she has “concerns about the…

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0 Comments | More in Traffic & Transit | Topics: bertha, Highway 99 tunnel, Seattle Tunnel Partners

January 14, 2014 at 7:48 PM

Highway 99 tunnel team “going hyperbaric” to inspect Bertha

After drilling four deep shafts and sending a man down to look last week, Seattle Tunnel Partners and the state Department of Transportation don’t fully know yet what’s blocking tunnel machine Bertha, some 60 feet deep next to Pioneer Square. So the DOT announced Tuesday it is “going hyperbaric,” by sending workers to the pressurized…

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0 Comments | Topics: bertha, Highway 99 tunnel, hyperbaric

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