An 8-inch-wide steel pipe. That’s what is likely blocking Bertha, the boring machine creating a tunnel through downtown Seattle to replace the Alaskan Way Viaduct. Officials say the steel pipe is ...
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, ...
Seattle Tunnel Partners (STP) knew an 8-inch steel pipe was in Bertha’s path two years before the tunnel boring machine chewed through it, according to a new suit filed by Washington state. STP says ...
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