Crews are now drilling a launch pit to hold the massive tunnel-boring machine for the Alaskan Way Viaduct Replacement project. The project will be using the largest diameter tunnel boring machine ever ...
A KOMO News crew joined the public in its tour of the giant tunnel boring machine - and what a party it was. In the next couple of weeks, Bertha will start boring into the earth for what's described ...
You might not think so at first, but a tunnel boring machine (TBM) can be fascinating in its own way. Imagine a giant machine, with an elongated shape, that digs her way under the ground, as to not ...
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