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, ...
These Guided Boring Machines (GBM) install small-diameter pipes with grade and alignment precision. Launch and reception shafts strategically located to minimize surface disruption Three robust ...
Horizontal Boring Kits from Little Beaver feature horizontal boring attachments that turn the company’s Mechanical Earth Drills into horizontal boring machines that can be used for a variety of ...
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