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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 … Read more »

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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.  … Read more »

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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 … Read more »

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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 … Read more »

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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 … Read more »

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Principal Kurt Zeidler, PhD, CEng Presents at the WTC 2012

GZ Principal Kurt Zeidler, PhD, CEng gave a presentation at the World Tunnel Congress May 18-23, 2012 in Bangkok, Thailand. A … Read more »

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Keynote Speaker, Vojtech Gall, Ph.D., P.E., Presents at AquaStop 2012

Dr. Gall presented “The Latest Strategy of Dry Tunnel Development” at AquaStop 2012.  The international conference was held May 29-30, … Read more »

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Official Caldecott News

For the latest construction progress and other information regarding the Caldecott Fourth Bore Project, visit the official website: www.caldecott-tunnel.org

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Speaking at Transportation Cabinet of Kentucky’s Tunnel Seminar

Frankfort, Kentucky, December 5-6, 2011 – Vojtech Gall, Ph.D., P.E. shared his expertise on NATM / SEM Design and Construction … Read more »

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GZ Principal, Kurt Zeidler, Ph.D., CEng at IS-AGTG

Singapore, December 1-2, 2011 – GZ Principal, Kurt Zeidler, Ph.D., CEng enjoyed speaking at the International Symposium on Advances in … Read more »

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