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.

  • Published in Tunnels & Tunnelling: Rules of Thumb – Slurry TBMs

    Published in Tunnels & Tunnelling: Rules of Thumb – Slurry TBMs

    Advancements in technology and the power to operate in a range of soft ground conditions has fueled the popularity of slurry tunnel boring machines

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  • Published in Tunnels & Tunnelling: Rules of Thumb – Horizontal Directional Drilling

    Published in Tunnels & Tunnelling: Rules of Thumb – Horizontal Directional Drilling

    As innovations evolve, so to will the uses and applications of HDD—here’s a look at the how-to’s, whys, limitations and risks in this growing field

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  • Tunneling Rules of Thumb: Shaft Construction and Support Methods

    Tunneling Rules of Thumb: Shaft Construction and Support Methods

    In this Tunnels and Tunneling magazine article, Keivan Rafie discusses the two most important aspects of shaft design and construction: method of excavation and support

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  • Tunneling Rules of Thumb: Auger Boring

    Tunneling Rules of Thumb: Auger Boring

    In this Tunnels and Tunneling magazine article, Keivan Rafie explains the basics of auger boring along with the challenges and considerations for use

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  • Rules of Thumb: Summary of Trenchless Methods

    Rules of Thumb: Summary of Trenchless Methods

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

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  • Future of Trenchless

    Future of Trenchless

    Stantec’s Keivan Rafie recently hosted a roundtable discussion about the future of trenchless in Trenchless Technology Canada Magazine

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  • Published: Tunneling Rules of Thumb: Sequential Excavation Method Tunnelling

    Published: Tunneling Rules of Thumb: Sequential Excavation Method Tunnelling

    In this Tunnels and Tunneling magazine article, Keivan Rafie explains sequential excavation method tunneling: its basics, support requirements, and ground considerations

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  • Tunneling Rules of Thumb: Survey and Alignment Control

    Tunneling Rules of Thumb: Survey and Alignment Control

    In the August-September issue of Tunnels and Tunneling, Stantec's Keivan Rafie looks at survey and alignment control, and in particular their use with TBM excavations

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  • Tunneling Rules of Thumb: Lighting

    Tunneling Rules of Thumb: Lighting

    In the June-July issue of Tunnels and Tunneling magazine, Stantec's Keivan Rafie explores factors for reducing accidents and improving security and aesthetics through proper tunnel lighting

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  • Tunneling Rules of Thumb: Dry Shotcrete

    Tunneling Rules of Thumb: Dry Shotcrete

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie compares and contrasts dry shotcrete with its wet counterpart, and reviews its operation and equipment.

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  • What 7 things should you expect from a construction project in your neighborhood?

    What 7 things should you expect from a construction project in your neighborhood?

    Site crews should minimize impacts of activities on the environment—protecting birds, limiting dust, and reducing spill potential

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  • Tunneling Rules of Thumb: Dust

    Tunneling Rules of Thumb: Dust

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie discusses the importance of understanding, classifying, and controlling dust in tunneling and underground projects.

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  • Tunneling Rules of Thumb: Waterproofing

    Tunneling Rules of Thumb: Waterproofing

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie covers the design and specification of waterproofing systems

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  • Tunneling Rules of Thumb: Microtunneling (Part 2)

    Tunneling Rules of Thumb: Microtunneling (Part 2)

    In the second of a two-part Tunnels and Tunneling series on microtunnelling, Keivan Rafie interviews Stantec’s Don Del Nero Don Del Nero

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  • Tunneling Rules of Thumb: Microtunneling (Part 1)

    Tunneling Rules of Thumb: Microtunneling (Part 1)

    Stantec's Keivan Rafie's first of a two-part Tunnels and Tunneling series on microtunneling

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  • Tunneling Rules of Thumb: Ventilation

    Tunneling Rules of Thumb: Ventilation

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie highlights the basic requirements of ventilation for tunnels in operation and under construction

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  • Tunneling Rules of Thumb: Corrosion

    Tunneling Rules of Thumb: Corrosion

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie discusses how getting it right from the start is the best defense for corrosion

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  • Tunneling Rules of Thumb: Geotechnical monitoring

    Tunneling Rules of Thumb: Geotechnical monitoring

    In this Tunnels and Tunneling column, Keivan Rafie interviews Stantec's Shahram Siavash about geotechnical monitoring in tunneling

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  • Tunneling Rules of Thumb: Risk management

    Tunneling Rules of Thumb: Risk management

    In this Tunnels and Tunneling column, Stantec's Keivan Rafie outlines the importance of a high quality risk management programme and its scope

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  • Trenchless technologies: 5 methods for non-disruptive utility installation

    Trenchless technologies: 5 methods for non-disruptive utility installation

    Going trenchless means installing utilities doesn’t have to include digging up lawns and tearing up streets (Part 1 in a series)

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