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Topic: bertha

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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

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…

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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…

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

October 23, 2014 at 6:41 PM

Work on Bertha’s repair pit halted after shell-material discovery

Digging work for tunnel machine Bertha’s repair access vault was stopped Thursday after archaeologists monitoring the excavation found a deposit containing shell material. The discovery may indicate the presence of cultural materials and requires further evaluation, according to the Washington State Department of Transportation. Though no artifacts or human remains were found, the department follows…

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Comments | More in General news, Traffic & Transit | Topics: bertha, Washington State Department of Transportation

October 23, 2014 at 7:44 AM

A real scoop: excavation under way at Bertha’s repair pit

Crews had dug down nearly 20 feet as of Wednesday afternoon, as they make a 120-foot-deep vault where tunnel machine Bertha’s front end can be cut open for repairs. Digging started late last week and will continue through November, until about 20,000 cubic yards of soil is removed from within a deep concrete ring that was built this…

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

September 8, 2014 at 5:10 PM

Bertha burrows ahead 3 feet

Tunnel-boring machine Bertha dug forward three feet Thursday and Friday, to get ready for fall repairs, the state Department of Transportation said Monday. “We were just pleased we were able to move three feet, after it sat so long,” said Chris Dixon, executive director of contractor Seattle Tunnel Partners, in a phone interview Monday. The giant drill’s cutter…

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

August 28, 2014 at 4:17 PM

Bertha’s rescue pit almost done

Seattle Tunnel Partners will pour its final concrete pillar next week to complete an access pit along the waterfront, so the front end of stuck Highway 99 tunnel machine Bertha can be extracted and repaired. Workers from Malcolm Drilling are building a ring of 73 pillars, some 120 feet deep, near the foot of South Main Street….

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Comments | Topics: bertha, Chris Dixon, Highway 99 tunnel

July 27, 2014 at 8:44 AM

Sunday Memo: Man at party drowns in Snohomish River … Bertha repair hits snag … Marshawn Lynch poll

Young man missing, likely drowned in Snohomish River: The Snohomish County Sheriff’s Office says the 21-year-old man was in a canoe that capsized after midnight as he and others were being ferried to a party on a sandbar in the river. The search for the man was to resume this morning. No one…

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