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Brierley Associates is a privately-held national tunnel, trenchless, geo-structural and geotechnical design firm with offices strategically located across the United States. With over 80 underground  engineers and geologists, Brierley Associates delivers 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.

Brierley Associates’ nationwide and international underground project knowledge-base 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.

Upcoming Fall 2019 Tunnel Conferences Sponsored by Brierley Associates

12th Annual Breakthroughs in Tunneling Short Course – University of Denver,CO Main Event Sponsor -Brierley Associates The 12th Annual Breakthroughs in Tunneling Short Course will be held September 9-11, 2019  at the University of Denver – Joy Burns Center.  Brierley Associates’ Gregg Sherry and Dr. Mole – Gary

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InDepth June 2019

June 2019 Issue of InDepth is now available in our Press Room In this issue…… Gregg Sherry interview in North American Tunneling Journal Gary Brierley (Dr. Mole) offers up some thoughts on the early years of Brierley Associates Deep Shaft Pipe Rigging at Lake Mead, by David Berti

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Brierley Associates will be at these June conferences

American Society Of Mining And Reclamation Conference Big Sky Resort, Montana   Look for Brierley Associates at the American Society of Mining and Reclamation (ASMR) Annual Meeting, June 3 to 7, 2019, at the Big Sky Resort in Montana. This conference focuses on the research, technical, and regulatory issues

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InDepth March 2019 – Now in Brierley Associates Press Room

In this issue of InDepth       Entering this 20th year of “Creating Space Underground” the March issue of InDepth visits our beginnings and some milestone projects. Underwater Work at Lake Chabot, Castro Valley, CA Senior Consultant David Berti writes about  project challenges and Brierley Associates

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February 2019 – Conference Happenings

Look for Brierley Associates at these Conferences     February 4-7,2019 University of Colorado – Boulder Nick Strater, Brierley’s Trenchless Practice Leader is one of the instructors  and round table participants at the Pilot Tube Seminar on February 4th. Nick’s topic is “Engineering and Design of Pilot

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