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How Does a Tunnel-Boring Machine Drill Underground?

This animation shows exactly how the 110-ton, 300-foot-long tunnel boring machine will drill a distance of nearly two miles, 100 feet beneath the New York Harbor seabed.

November 21, 2013

This animation shows exactly how the 110-ton, 300-foot-long tunnel boring machine will drill a distance of nearly two miles, 100 feet beneath the New York Harbor seabed.


Video courtesy of CDM/HMM Joint Venture.