Topic: boring machine
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September 20, 2013 at 5:07 PM
The Associated Press
Boring at Seattle’s $2 billion tunnel project has been delayed again until next week.
Officials with contractor Seattle Tunnel Partners said Friday that the boring machine is going through more tests before it can be restarted. They say some of the early material that the machine was tunneling through apparently had a chance to solidify while the machine had been shut down.
The boring came to a halt in recent weeks as longshoremen were picketing at the site due to a dispute over a handful of waterfront jobs. Gov. Jay Inslee announced Tuesday that the longshoremen had agreed to allow the project to proceed as officials worked toward a larger resolution on that dispute.
Officials had hoped to restart boring work Friday. They are now looking at some point early next week.
April 2, 2013 at 7:14 PM
From Transportation Reporter Mike Lindblom:
“Bertha,” the mammoth Highway 99 tunnel drilling machine, arrived in Seattle on Tuesday from Japan.
The ship may dock Wednesday at Terminal 46, where 41 pieces, weighing 6,700 tons, will be unloaded over two weeks. Container ships take priority, so the ship likely will move on and offshore.
The green disk on the ship’s deck is the rotary cutter head, the world’s largest at 57½ feet in diameter. The sections will be moved to the construction zone on flatbed trucks with up to 96 axles and 768 tires. The drill will be assembled in a Sodo pit, where this summer it will begin the two-mile route to South Lake Union. Drilling should be done late next year.
The $2 billion, four-lane tunnel is scheduled to open to traffic at the start of 2016. Toll rates are not yet set.
Read more about the tunnel machine, courtesy of the state Department of Transportation, watch webcams and learn and the project to replace the Alaskan Way Viaduct.
View pictures of the big tunnel digger at http://seati.ms/12cBzD9.
April 2, 2013 at 12:33 PM
The ship bearing Bertha, the enormous boring machine that will excavate the new Highway 99 tunnel in downtown Seattle, is on its final approach to downtown Seattle. If you’d like to find out where to go to get a glimpse of the 58-foot-diameter behemoth while under way, check out this marine tracking link. And here is a WSDOT map of places where you can view it once it arrives.
It’s arriving in pieces and will be assembled in the pit where it will soon begin its two-mile journey under the Seattle waterfront.
March 19, 2013 at 3:45 PM
The giant Highway 99 tunnel-boring machine left Osaka harbor, Japan, at 1:40 a.m. Seattle time on Tuesday.
It should reach Terminal 46 in Seattle around April 1, the state Department of Transportation announced. Departure was delayed a few weeks to repair damage to its drive unit, at the assembly site.
The vessel Jumbo Fairpartner is one of the few ships on earth capable of bringing this load across the sea. The rotary cutting head, painted green, is fastened to the aft deck:
The cylindrical machine, the world’s largest at 57.5 feet in diameter, will depart from a pit in Sodo this summer, burrow beneath downtown, then emerge late next year at South Lake Union. The $2 billion, four-lane tunnel, the largest piece of the $3.1 billion viaduct replacement, is to open for traffic in early 2016.
The boring machine is nicknamed Bertha in honor of mayor of Seattle from 1926-28.
WashDOT has created a Bertha website and Twitter account to help the public monitor the voyage and arrival.
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The Today File is a general news blog featuring real-time coverage of Seattle and the Northwest. It is reported by the news staff of The Seattle Times and edited by Assistant Metro Editor Nick Provenza.
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