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 ...
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 — Experts say they've at least partially solved the mystery of what's been blocking a massive tunnel-boring machine beneath downtown Seattle for the past month: a steel pipe. The $80 million, ...
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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