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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

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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,

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GZ Finalist at International Tunnelling Awards

Hong Kong, December 1, 2011 – GZ has been elected Finalist in the “International Tunnelling Project of the Year 2011”

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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:

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Breakthrough of the Caldecott Tunnel’s Fourth Bore Marks a Major Project Milestone

Oakland, California, November 29, 2011 – the tunnel “breakthrough” occurred on November 29, 2011 at 2:37pm, when the tunnel’s eastern

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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

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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

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