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Topic: bertha

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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….


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

March 16, 2014 at 11:27 PM

How Bertha chipped her teeth

Photos from Seattle Tunnel Partners’ winter inspections bear witness to the extremely abrasive soils that lurk below downtown Seattle, and perhaps contributed to tunnel machine Bertha’s lengthy stoppage. Project directors have already reported that drill teeth are wearing out and being replaced faster than expected — no mean feat, given that Lynn Peterson, the Washington State Department…


0 Comments | More in General news, Government | Topics: bertha, chipped teeth, inspection

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…


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…


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,…


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…


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

February 26, 2014 at 6:54 AM

Wednesday Memo: Bertha a lemon? … No texting please … Welcome Chewy

Wouldn’t you know it? Bertha’s big troubles started in Japan with damaged seals. It’s difficult not to compare this to buying a lemon of a car — a very big, expensive one. Let’s hope that any extra costs stemming from these fixes doesn’t come out of our pockets. The way things are set…


0 Comments | More in Morning Memo | Topics: aquarium, bertha, northern fur seal

February 8, 2014 at 10:08 AM

Saturday Memo: Bertha has damage … Inflated parade count? … Russell Wilson’s college days

Weather: National Weather Service forecast Traffic: The 520 bridge is closed this weekend, set to reopen at 5 a.m. Monday. The closure is related to work for the bridge-replacement project. Tunnel machine damaged: Now comes word that a critical seal is damaged inside tunnel-machine Bertha, and work may not resume for weeks. The shutdown…


0 Comments | More in Morning Memo | Topics: 520 bridge, bertha, Russell Wilson

February 7, 2014 at 12:32 PM

Sand in the grease: Bertha’s main-bearing seals are damaged

Tunnel machine Bertha is showing damage to seals around its main bearing, an important piece that houses the axle that turns the world-record 57-foot, 670-ton cutterhead, the state Department of Transportation (DOT) said today. DOT didn’t speculate on how long the machine will be shut down, but said it will take perhaps two weeks for contractors to…


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

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