ASCE to release new microtunnel guidelines

Published in:
Trenchless Technology Magazine, North American Microtunneling Special Supplement, November 2013

Dennis Doherty, PE, F.ASCE, National Practice Leader for Trenchless Technologies, Haley & Aldrich

Haley & Aldrich’s Dennis J. Doherty authored this Trenchless Technology Magazine supplement, which offers an assay of the comprehensive additions to the new microtunneling guidelines from the American Society of Civil Engineers (ASCE), the first update to the original guidelines published in 2001. Doherty is part of a workgroup that included:

  • Glenn Boyce, Jacobs Associates
  • Dave Bennett, Bennett Trenchless
  • Craig Camp, Hatch Mott McDonald
  • Lester Bradshaw, Bradshaw Construction
  • Bobby Lys, Flowtite
  • Ralph Carpenter, American Pipe Company
  • Brenden Tippets, BT Construction
  • Cal Terrasas, Nada Pacific
  • Buck Bergstrom, BT Construction
  • Mo Najafi, University of Texas, Arlington
  • Mark Hutchinson, City of Portland Oregon


asce-microtunnel (375 KB)