Tunnel Design Services

“Creating Space Underground” requires a process of planning, investigation and design. Each project is a mixture of client needs, contractual preferences, risk allocation, third party requirements, design criteria, subsurface conditions and terrain. Brierley’s understanding of ground conditions and behavior combined with our knowledge of how tunnels and underground structures are built are key differentiators in the approach we chart for each client.

Brierley Associates provides effective engineering, consulting ,design and forensic services for underground projects. We specialize in shafts to large diameter rock and soil mechanized tunneling, drill-and-blast hard rock excavation and, microtunneling, dewatering , support of excavation design and geotechnical investigations . Our team of geologists, underground engineers, and construction management specialists know how to streamline design processes for your next underground project.

With offices strategically located throughout the U.S., we are well positioned to serve your needs. Brierley is committed to providing accurate and highly focused information to our clients in a timely and cost effective manner. Our objective is to deliver well balanced projects, with proper consideration of design,risk and constructability.

Brierley Associates offers …

  • Feasibility Analysis
  • Design of Hard Rock and Soft Ground Tunnels, Shafts, Chambers and Microtunnels
  • Geotechnical Engineering
  • Constructability Evaluation
  • Blasting Design
  • Construction Vibration Analysis
  • Contract Document Preparation
  • Value Engineering
  • BIM and Virtual Design and Construction
  • Instrumentation
  • Field Inspection and Mapping
  • Construction Management
  • Forensic Engineering, Construction Claims and Dispute Resolution


You are invited to contact our tunnel and shaft design specialists to learn more about how Brierley Associates can help you with the planning, design, and construction management of your next project.

Ike Isaacson Tunnel Engineer
Ike Isaacson, PE,GE,CEG,PG
Tunnel Sector Leader
2500 West Fairy Chasm Rd
Milwaukee, WI, 53217
AJ McGinn President
AJ McGinn, PhD, PE
6323 Fly Road
Suite 4
Syracuse, NY 13057
Alan Howard Engineering Geologist
Alan Howard, PG, CEG
920 Country Club Drive
Suite 222
Denver, CO 80209
Nancy Nuttbrock COO
Nancy Nuttbrock, PE
13100 Wortham Center Dr
3rd Floor
Houston, TX 77065
Rory Ball Cleveland Ohio
Rory Ball, PE
7100 E. Pleasant Valley Rd
Suite 110
Independence, OH 44131
Jay Perkins Blasting and Vibration Specialist
Jay Perkins, PE
Construction Blasting and Vibration
26 Smith Place
Suite 2
Cambridge, MA 02138