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Brierley Associates is a privately-held national tunnel, trenchless, geotechnical, and geo-structural design firm with offices strategically located across the United States. With over 60 underground  engineers and geologists, Brierley Associates has a long history of delivering recognizable value to our clients by providing cost effective and constructable solutions for underground and heavy civil infrastructure projects.

Our team understands that planning, design, and construction of subsurface projects is a complex mixture of client needs, contractual preferences, risk allocation, third party requirements, design criteria, and subsurface conditions.

The nationwide and international underground project knowledgebase of Brierley Associates is key to anticipating ground behavior and helping our clients with design and construction of successful projects which is the cornerstone of Brierley’s business vision to… “Create Space Underground”.

Press Room

Checkout out our Press Room for past issues of our In Depth Newsletter and published papers and articles.

NASTT No-Dig Show – Dallas TX March 20-24, 2016

Brian Dorwart, Nick Strater, Nancy Nuttbrock, Lewis Yates and Kevin Mandeville at No-Dig   This year No-Dig will be held in Dallas and Brierley Associates will attending. Additionally Lewis Yates will be presenting “Tapping Lake Travis” that was co-authored by Kevin Mandeville, Aaron Archer (HDR Engineering, Inc.) and

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Gregg Sherry to Moderate Technical Session – Geotechnical & Structural Engineering Congress

Brierley Associates to be Well Represented at GeoSei 2016 The Geotechnical & Structural Engineering Congress will take place in Phoenix , Arizona, February 14-17,2016 Gregg Sherry will be the moderator of Technical Session  54- Interaction of Geotechnical & Structural Engineers for the Design of Tunnels and Underground

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InDepth January 2016 Available in Our Press Room

Featured Articles in this Edition of InDepth Design Build Landslide Remediation – Crookston, MN 4,100-ft HDD Completed – Design by Brierley Associates Anne Arundel County, MD Lake Mead Intake No. 3 Wins Global Tunnel Project of the Year Award at the 2015 NCE Tunneling and Underground Space Awards in

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Nick Strater – CUIRE Trenchless Geotechnical Course Instructor at UCT Conference Atlanta

  Nick Strater will be co-instructor at the CUIRE Geotechnical School for Pipelines and Trenchless Technology on February 1, 2016 held at the Underground Construction Technology International Conference & Exhibition Conference in Atlanta, Georgia. Topics covered include: Geotechnical Considerations and Investigations for Trenchless Technology and; How to

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Nancy Nuttbrock Invited to Congressional Hearing

  Brierley Associates Texas Regional Manager, Ms. Nancy Nuttbrock,PE has been invited by the Congressional Subcommittee on Energy and Mineral Resources to testify at a field hearing on H.R. 3734 known as the “Mining Schools Enhancement Act.”  If passed, the proposed amendments to the existing “Surface Mining

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