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GZ Paper to Be Published in WTC 2013 Proceedings

GZ’s paper, entitled “Prediction of Behavior of Structures due to Large Bore EPBM Tunneling at the Port of Miami”, will

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Port of Miami Tunnel Featured in Tunnels and Tunnelling

The Port of Miami Tunnel project is featured in the December-January 2013 issue of Tunnels and Tunneling, the official publication

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We’ve Moved!

GZ is excited to announce that we’ve moved our office location in London, U.K. We are now located in the

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Fourth Bore Construction Reaches Milestone

Tunnel Excavation Completed! On September 21, 2012 – almost exactly two years from the start of tunneling – all excavation

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Latest News – Caldecott Tunnel Excavation Completed

As of last week, the excavation of the new forth bore at the Caldecott Tunnel in Oalkand, California was completed. 

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Dr. Gall Presented at Breakthroughs in Tunneling 2012

September 21, 2012, Dr. Vojtech Gall presented “Case History: Tysons Corner Station and Tunnels”, at Breakthroughs in Tunneling 2012, on

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Excavation for Caldecott Tunnel’s Fourth Bore Almost Complete

August 3, 2012 – The dig to begin the Caldecott Tunnel’s fourth bore will soon be complete outlining the giant

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Dr. Gall Presented at the 2012 NAT

Vojtech Gall, Ph.D., P.E., presented at the 2012 North American Tunneling Conference on “Real-Time Monitoring for Very Shallow Tunneling in

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