| CONTENTS


Projects


32 5


12 38 42 50


52 46


Trenchless works for drainage improvement at Bismark Airport, ND Photo credit: Brierley Associates


Comment 9 News REGULARS Buyers’ Guide 55 58 Events 22


12 22


32 36


38 42 46


50 52


Americas Milestone markers Major project activities and milestones across a variety of projects.


Highway 401/409 Dr Angelos Gakis, Thomas Schwind, Dr Sauer; and, Gerhard J Urschitz, Strabag


Tunneling challenges at a live trafficked embankment on Highway 401/409 project, Toronto.


Trenchless By Land and Sea


Spotlight on two trenchless projects solving environmental problems.


Preview: No-Dig Show Preview of No-Dig Show coming up in Denver, CO.


International


Lisbon drainage TTNA Two large tunnels are to be bored in Lisbon to help fight flash-floods.


ITAtech guide on support TTNA


Rock classes for ground support of TBM tunnels.


Cranes in Sydney Simon Marr, MD, Marr Contracting


Sydney Metro is using strategic cranage solutions to help build some underground stations.


Kidston hydro Tunneling on Genex’s pumped storage project.


BTS 50th Book Paul Perry


Excellent textbook from US, and the fantastic long-anticipated tome on tunneling recounting five decades of BTS.


Spring 2025 | 7


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