Showing content tagged with deep bore tunnel
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Thumbnail for - What Lies Beneath
May 1, 2014
How does a city growing as fast as Seattle avoid erasing its past?
Thumbnail for - Tunnel Update
Feb 17, 2014
A couple of updates on the deep-bore tunnel machine (spoiler alert: Still stalled!)
Thumbnail for - Pipe, Left by a Contractor 11 Years Ago, Blocks Bertha
Jan 3, 2014
This Washington
Tunnel-boring machine's major malfunction: A 115-foot-long, eight-inch-wide steel pipe.