Read more about our recent projects, our attendances at conferences and events or the latest developments at GZ.
The Tunnel Boring Machine (TBM) named “Jill” has reached another milestone by completing its second drive at the Silvertown Tunnel…
Read MoreThe Tunnel Boring Machine “MudHoney” has broken through on the Ship Canal Water Quality Project in Seattle, Washington, completing excavation…
Read MoreGZ’s Principals Dr. Vojtech Gall and Nasri Munfah will be giving key lectures at the Underground Construction Prague 2023 which…
Read MoreGZ’s Principal Nasri Munfah and Senior Tunnel Engineer Dr. Vojtech Ernst Gall are at the World Tunnel Congress (WTC) 2023…
Read MoreThe Yellow Line in Washington D.C. will reopen on May 7th after 8 months of extensive repair work between Pentagon…
Read MoreThe American Shotcrete Association (ASA) announced the recipients of the 2022 Outstanding Shotcrete Project Award. The Tuscarora Tunnel Rehabilitation Project…
Read MoreGZ’s Principal Nasri Munfah will be a keynote speaker at the 15th International “Underground Construction” Conference which will take place…
Read MoreWe are proud to announce that GZ’s principals Dr. Vojtech Gall and Nasri Munfah, as members of the Scientific Committee…
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