Pacific Boring used a Michael Byrne D72-1.5 for a CALTRANS drainage project going under Highway 1 in the Big Sur, California. See the article below for full details of this 60″ diameter, 200ft bore.
Auger Boring in Big Sur – Trenchless Technology
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Pacific Boring used a Michael Byrne D72-1.5 for a CALTRANS drainage project going under Highway 1 in the Big Sur, California. See the article below for full details of this 60″ diameter, 200ft bore.
Auger Boring in Big Sur – Trenchless Technology