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, ...
The state should have done more to warn Seattle Tunnel Partners about a steel pipe that tunnel machine Bertha struck Dec. 3, 2013, three days before the giant drill overheated and stalled, a dispute ...
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 ...
Two types of horizontal boring attachments are available to turn Little Beaver mechanical earth drills into horizontal boring machines. Install conduit, pipe and irrigation installments Dry Auger Kit ...
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