recent posts

COWI Wins Bangladesh Tunnel Project

COWI is the chosen consultant to approve the design and construction on the Karnaphuli Tunnel in Bangladesh, part of the One Belt One Road initiative.

Stone Joins HNTB as Principal Tunnel Engineer

Charles A. Stone, PhD, PE, will join HNTB Corp. as principal tunnel engineer on May 30. Stone will be based in the firm’s New York City office and work with clients nationwide.

Robbins Celebrates Opening of Hydropower Plant in Georgia

In April 2017, a ceremony was held to celebrate the commissioning of the Dariali Hydropower Project in the Republic of Georgia.

Normet Wins Large Order from Hindustan Zinc

Normet, the innovative underground technology company, has won several new orders from Hindustan Zinc, India’s only and the world leading producer of Zinc-Lead-Silver.

Reflections on Differing Site Conditions, or Why I Believe...

Anyone who has been involved with the design and/or construction of tunnels for more than a few years becomes well aware of the so-called Differing Site Conditions (DSC) clause.
recent from Editor's Message A New Way Forward
A New Way Forward It is interesting to see the history of the tunneling and the way the industry has evolved to address some of the challenges that are unique to underground construction. Through the years, the advent of the Differing Site Conditions clause, Geotechnical Baseline Reports and Dispute Review Boards have helped...
recent from People Stone Joins HNTB as Principal Tunnel Engineer
Stone Joins HNTB as Principal Tunnel Engineer Charles A. Stone, PhD, PE, will join HNTB Corp. as principal tunnel engineer on May 30. Stone will be based in the firm’s New York City office and work with clients nationwide.
recent from Technical Papers Case Study on Retrofitting
Case Study on Retrofitting Retrofitting Seattle's Mount Baker Ridge and Mercer Island Tunnels using a Saccardo Nozzle.
recent from Product Showcase Red Meters Slurry Monitoring
Red Meters Slurry Monitoring Red Meters RM6 is the premier exact density meter to provide accurate, real-time readings of boring slurries.