An unknown object that fascinated the country last month when it stopped the world’s most powerful tunnel boring machine digging underneath Seattle has finally been identified. And officials are ...
To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min The eight-year-old company has ...
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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