tunnel boring machine

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

Tunnel Machine Pit Work To Resume

Washington 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.

CBS Seattle–11/04/2014

(photo credit: WSDOT)

Seattle Tunnel Builders Make Progress On Machine Repair

Bertha, 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.

CBS Seattle–09/08/2014

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

Plan Advances To Dig Up Now-Stalled Bertha

The new tunnel would allow workers to dig up and repair the now-stuck boring machine

CBS Seattle–05/09/2014

(photo credit: Washington State Dept of Transportation)

Bertha Will Not Dig Again Until March 2015

Bertha, the machine boring the State Route 99 tunnel in Seattle, will not resume digging until the end of March 2015 and that the tunnel will not open until November 2016, according to the Washington State Department of Transportation.

CBS Seattle–04/21/2014

file photo of a tunnel boring machine (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

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

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.

CBS Seattle–01/31/2014

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

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.

CBS Seattle–01/28/2014

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

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.

CBS Seattle–01/22/2014

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

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.

CBS Seattle–01/03/2014

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

Seattle Tunnel Boring Machine Still Stalled

The huge machine drilling a highway tunnel under downtown Seattle remains stalled by a mysterious blockage.

CBS Seattle–12/26/2013

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