Tuesday, January 26, 2010

TBM Making Excellent Progress!

The Tunnel Boring Machine (TBM) boring the New Crystal Springs Bypass Tunnel continues to make excellent progress.

As of Monday, January 25th, tunneling has progressed 1,715 feet out of approximately 4200 feet (41%).

The recent earthquakes in California and around the world are a good reminder that a major earthquake can (and likely will) strike the San Francisco Bay Area at any time. This new tunnel will help ensure water delivery and quality after a major earthquake.
Photo: TBM body and cutter head.

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