Trenchless Design Services

Brierley Associates is an internationally recognized authority in the selection, design, construction management, forensic analysis of trenchless technologies.  Our range of engineering and consulting services include new installations and pipe rehabilitation. The benefits of trenchless technologies have been increasingly acknowledged as an economical and environmentally friendly alternative to conventional cut and cover construction. Aside from reducing disruption and damage to: developed urban locales, environmentally sensitive areas,waterways and surface transportation corridors and airports; trenchless methods can dramatically reduce the carbon foot print of  sewer, water and utility projects.

Design of a successful trenchless project is much more than drawing a line on a plan. The process commonly requires a detailed consideration of client needs, contractual preferences, risk allocation, third party requirements, pipe design criteria, surface terrain and alignment specific subsurface  conditions.  In each case,we draw upon our collective national and international “Creating Space Underground” experience to understand those challenges and deliver a successful project.

Brierley Associates offers extensive design, engineering, forensic and construction experience with all trenchless methods including…

  • Horizontal Directional Drilling (HDD)
  • Pilot Tube Guided Auger Boring
  • Direct Pipe MethodTM
  • Microtunneling
  • Auger Boring
  • Pipe Jacking and Ramming
  • Pipe Bursting
  • Pipe Rehabilitation

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

Nick Strater Trenchless Technology Leader
Nick Strater, PG
Trenchless  Sector Leader
167 South River Road #8
Bedford, NH 03110
Cell: 603.918.0606
Brian Dorwart - Trenchless Technology Specialist
Brian Dorwart, PE, PG
167 South River Road #8
Bedford, NH 03110
Cell: 617.510.8090
Tom Pullen - Trenchless Technology Engineer
Tom Pullen, PG
8617 West Point Douglas Road S
Suite 240
Cottage Grove, MN 55016
Cell: 607.244.3010
Jim Williams - Trenchless Technology Engineer
Jim Williams, PE, PMP
15808 Ranch Rd 620N
Suite 210
Austin, TX 78717