construction

Megaprojects
12:05 pm
Tue April 22, 2014

No More Tunneling By Bertha Until March 2015

Drilling crews started on Friday and plan to continue around the clock for a month, injecting a cement-water mix into the ground where a shaft will be dug to expose the front of the stalled tunnel machine.
Credit KUOW Photo/John Ryan

State transportation officials say the tunnel machine now stuck beneath the downtown Seattle waterfront won't resume tunneling for another 10 months. Digging is now forecast to resume in March 2015.

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Bertha Woes
6:23 pm
Fri February 28, 2014

Six Months Needed To Repair Seattle Tunnel Machine

Chris Dixon of Seattle Tunnel Partners
Credit KUOW/John Ryan

Seattle's tunnel builders say getting their world-record tunnel machine going again will take at least six more months.

The tunnel machine known as Bertha has sat largely motionless for nearly three months since it overheated in early December.

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Stuck In Place
4:51 pm
Fri February 7, 2014

Seattle's Tunnel Machine Chokes On Dirt

Seattle Tunnel Partners workers atop a tank of soil conditioner used by tunnel builders
KUOW Photo/John Ryan

State officials said Friday afternoon that the tunneling machine known as Bertha had to stop, not because it hit foreign objects, but because it clogged with dirt.

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Slow Regrowth Of Construction
4:00 am
Thu September 26, 2013

Construction Is Everywhere, But Industry Still Fragile

Flickr Photo/clappstar

Construction is now the fastest-growing industry in Washington state. Construction cranes fill the skyline. Public works projects like light rail lines and the tunnel project snarl our streets. But despite appearances, construction has not yet fully recovered from the 2008 recession.

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Alaskan Way Viaduct
8:11 am
Wed July 31, 2013

Problems And Progress For Seattle's Waterfront Tunnel

Architect Brian Runberg climbing onto the roof of the building he owns, with a building motion detector above him and the Alaskan Way Viaduct directly behind him.
KUOW Photo/John Ryan

The world’s largest tunneling machine started grinding into the soil beneath downtown Seattle Tuesday afternoon. The machine known as Bertha is digging a 58-foot-wide tunnel to replace the Alaskan Way Viaduct.

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Recycling
5:45 pm
Thu January 10, 2013

Construction Debris: Where Seattle's Old Buildings Go To Die

Dickie Allen supervises a truckload of concrete debris arriving at Contractors Concrete Recycling in Seattle
John Ryan

Close to half of the garbage generated in America doesn’t come from individual homes or businesses. It comes from construction sites.

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