big bertha

State, Contractor Still Battling Over Viaduct ProjectThe manager for the troubled Alaskan Way Viaduct replacement project told lawmakers Thursday that the state and the contractor are still battling over tens of millions of dollars in repairs dating back to 2012, but even if the contractor declares bankruptcy tomorrow, the project could still be completed.
Settling Halts Work At Seattle Tunnel ProjectSettling soil has caused a contractor building the Highway 99 tunnel beneath downtown Seattle to stop work on a pit being dug to reach a stalled digging machine known as Bertha, the state said.
Tunnel Machine Pit Work To ResumeWashington state archaeologists who took a look at shell deposits found by crews digging a 120-foot-deep pit that will provide access to a stalled Seattle tunneling machine have given the all-clear signal for work to proceed.
Seattle Tunnel Builders Make Progress On Machine RepairBertha, the broken-down tunneling machine, moved forward three feet during recent testing, while workers building an underground circular pit that will allow access to the machine finished installing the last of 84 large concrete cylinders known as piles.
Effort To Repair Seattle Tunnel Machine Delayed An effort to repair the giant tunneling machine stuck under downtown Seattle is going more slowly than expected.
Fixing Seattle Tunneling Machine Will Take MonthsWash. DOT says many of Big Bertha's cutter-head openings are clogged with dirt and debris.
Seattle Tunneling Operations On Hold Yet Again Seattle's massive tunneling operation is on hold yet again due to ongoing problems with the world's largest boring machine, officials said Friday.
Tunnel Boring Machine To Restart The giant machine digging a highway tunnel under Seattle is expected to resume light work this week, but officials still don't know what stopped the giant drill for nearly two months, the Washington State Transportation Department said late Monday.
3-Foot Chunk Stuck In Tunneling Machine Crews have found a hard object more than 3 feet wide lodged in the tunneling machine that's currently stalled 60 feet under the city of Seattle, officials said Wednesday.
Digging Down To Stuck Seattle Tunnel Machine The Transportation Department says help is on the way for a massive machine that became stuck last month while boring a tunnel under downtown Seattle.
Steel Pipe In The Way Of Seattle Tunnel Machine The state Department of Transportation said Friday the 8-inch-diameter pipe was discovered protruding through an opening in the machine's cutter-head.
Seattle Tunnel Boring Machine Still Stalled The huge machine drilling a highway tunnel under downtown Seattle remains stalled by a mysterious blockage.
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