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tunneling machine

(Photo credit MANAN VATSYAYANA/AFP/Getty Images)

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.

CBS Seattle–14 hours ago

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

Fixing Seattle Tunneling Machine Will Take Months

Wash. DOT says many of Big Bertha’s cutter-head openings are clogged with dirt and debris.

02/11/2014

file photo of a tunnel boring machine in Italy (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

Photo Credit: Thinkstock

City Tunneling Project Begins

The world’s largest tunneling machine is sinking its teeth into the soil under downtown Seattle.

CBS Seattle–07/30/2013