About Brierley Associates
“Creating Space Underground” is our mission and our passion. Our tunnel, trenchless, and geostructural practice combines our knowledge of subsurface conditions, ground behavior, and site constraints with a keen understanding of the risks in underground construction. Constructability, efficiency, and practicality are central to every project we undertake. Our staff’s real-world experience helping our contractor clients solve the challenges of underground construction informs our design solutions for project owners. Brierley Associates qualifies as a small business as defined by the U.S. Small Business Administration under NAICS code 541330-Engineering.
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