Read more about our recent projects, our attendances at conferences and events or the latest developments at GZ.
August 3, 2012 – The dig to begin the Caldecott Tunnel’s fourth bore will soon be complete outlining the giant…
Read MoreVojtech Gall, Ph.D., P.E., presented at the 2012 North American Tunneling Conference on “Real-Time Monitoring for Very Shallow Tunneling in…
Read MoreGZ Principal Kurt Zeidler, PhD, CEng gave a presentation at the World Tunnel Congress May 18-23, 2012 in Bangkok, Thailand. A…
Read MoreDr. Gall presented “The Latest Strategy of Dry Tunnel Development” at AquaStop 2012. The international conference was held May 29-30,…
Read MoreHong Kong, December 1, 2011 – GZ has been elected Finalist in the “International Tunnelling Project of the Year 2011”…
Read MoreFor the latest construction progress and other information regarding the Caldecott Fourth Bore Project, visit the official website: www.caldecott-tunnel.org
Read MoreOakland, California, November 29, 2011 – the tunnel “breakthrough” occurred on November 29, 2011 at 2:37pm, when the tunnel’s eastern…
Read MoreFrankfort, Kentucky, December 5-6, 2011 – Vojtech Gall, Ph.D., P.E. shared his expertise on NATM / SEM Design and Construction…
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