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bertha

Many of Big Bertha's cutter-head openings are clogged with dirt and debris. (Credit: Washington Department of Transportation)

Large Wall Part Of Seattle Tunnel Machine Repair

It seems that everything connected with the effort to dig a highway tunnel under downtown Seattle is big — from the tunneling machine that stopped working last December, to a large plywood wall planned to shield neighbors from the noise of repairing the machine.

CBS Seattle–04/03/2014

file photo of a tunnel boring machine in Italy (photo credit: GIUSEPPE CACACE/AFP/Getty Images)

6 Month Delay ‘Optimistic’ For Seattle Tunnel

An official for the contractor boring the Seattle Highway 99 tunnel says a six month delay in the stalled construction is a “slightly optimistic” forecast.

CBS Seattle–02/28/2014

file photo of a tunnel boring machine in Italy (photo credit: GIUSEPPE CACACE/AFP/Getty Images)

Seattle Viaduct Sinks Half-Inch Near New Tunnel

The Alaskan Way Viaduct has sunk nearly half-an-inch at one location where a machine has been boring a highway tunnel under downtown Seattle.

CBS Seattle–02/25/2014

(Photo credit MANAN VATSYAYANA/AFP/Getty Images)

Tunnel Boring Machine Resumes Digging In Seattle

The world’s largest tunnel boring machine has resumed digging its way under downtown Seattle.

CBS Seattle–09/23/2013

(Photo credit MANAN VATSYAYANA/AFP/Getty Images)

Union Pickets Seattle Tunnel Project Over 4 Jobs

Longshoremen are picketing at the site of Seattle’s $3.1 billion tunnel project, arguing that four jobs along the waterfront have been improperly given to other union workers.

CBS Seattle–08/20/2013