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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.

Southwest Region DBIA – Public Agency Design-Build Forum Houston, TX

Southwest Region DBIA – Public Agency Design-Build Forum Houston, TX

Brierley Associates –  AJ McGinn and Jacob Mitchell Invited Speakers   DBIA Houston Chapter, in its mission for outreach and education, is holding a Public Agency Design Build Forum.  Public owner /agency personnel at all levels who might be engaged in an upcoming design-build project will learn more

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InDepth September 2018 -Now in Brierley Associates Press Room

In this issue of  InDepth Twin Stormwater Tunnels-Denver, CO Our friends at T&UC write about the Globeville Landing Outfall in Denver, CO — a $70-million box culvert project that includes a pair of 157-m (515-ft) long, 243-cm (96-in.) diameter storm water tunnels that pass beneath a busy

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Brierley is Main Event Sponsor for 11th Annual Shortcourse

Brierley is Main Event Sponsor for 11th Annual Shortcourse

           September 10-12, 2018 University of Denver, Colorado Celebrating its 11th year, the Breakthroughs in Tunneling Short Course is the longest running and most-attended course of its kind. Brierley Associates is the Main Event Sponsor and featured speakers include: Gregg Sherry, will talk about

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InDepth June 2018 – Now in our Press Room

In this issue of InDepth Read about how Bill Zietlow in our Denver, CO office implemented the observational approach to develop a flexible design and accelerated construction of a soil nail wall to allow re-opening of a roadway affected by a landslide. David Berti in our Moraga, CA office 

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Honolulu Office – Don Painter Rejoins Brierley Associates

“Eʻoluʻolu e kiʻi iā mākou i Hawaii!” (Please welcome us to Hawaii!) Brierley Associates celebrates our Aloha State expansion with the welcoming of Don Painter Senior Tunnel Construction Professional and the opening of our newest office located at: 1003 Bishop Street Suite 2700 Honolulu, HI 96813 808-237-2459

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