Crews discovered an 8-inch steel pipe protruding through one of the openings of Bertha the tunnel boring machine today. The Seattle Tunnel Partners aren't ready to say exactly what is blocking Bertha, ...
Hampshire Chronicle on MSN
Inside the machine that will bore a tunnel for a 19km water pipe
A tunnel boring machine is making steady progress on a major water infrastructure project.
As with any task, if there’s more than one way to do it, then you should explore all of your options before forging ahead. This holds true in the world of utility construction. For years now, ...
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