Rules of Thumb: Summary of Trenchless Methods

March 6, 2019 Keivan Rafie

In the February-March issue of Tunnels and Tunnelling magazine, Stantec’s Keivan Rafie discusses the typical uses of common trenchless methods


The capabilities and reliability of trenchless techniques have expanded greatly in recent years. Many installations not feasible even a decade ago are now possible. Experienced engineers and owners know that selection of the most appropriate trenchless technique(s) is essential for successful, safe, timely, and cost-effective project completion.


About the Author

Keivan Rafie

Keivan Rafie’s engineering expertise is in tunneling, mining, and ground-improvement projects. For the last 15 years, he’s worked across the globe in Asia, Australia, the Middle East, and North America. Keivan’s knowledge and experience go deep with tunneling methods, such as drill and blast, NATM, and TBM, and he is involved in all stages from design to manufacturing and construction.

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