Pacific Northwest Chapter of NASTT


One of the main goals of the Pacific Northwest Chapter is to provide useful and current information regarding available trenchless technologies. We have provided this page as a starting point for those interested in articles, technical papers, press releases, and publications. Other materials for purchase can be found at the NASTT online bookstore located here.

Pacific Northwest Chapter Chapter Magazine - Pacific Northwest Trenchless Review

2016 (4 MB) 2015 (7.3 MB) 2014 (54.9 MB) 2013 (5.4 MB)

2012 (4.4 MB)
(Inaugural edition)

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NASTT No-Dig Professional Papers

Subject Title of Presentation Authors Conference Date & Location Size
HDD Effectiveness of Hydrofracture Prediction for HDD Design Staheli, K., Price, C., and L. Wetter No Dig 2010 May 2 - 7
Chicago, Illinois.
442 kb
HDD Ocean Outfall Presents Challenges to HDD Construction Wetter, L., Pease, M., McCaffrey, K. and D. R. Kendall No Dig 2010 May 2 - 7
Chicago, Illinois
500 kb
GBR The Legal Impact of Geotechnical Baseline Reports Parnass, J., and K. Staheli No Dig 2010 May 2 - 7
Chicago, Illinois
180 kb
GBR Geotechnical Baseline Reports - Applying the Guidelines to Microtunneling Staheli, K. and L. Maday No Dig 2009 March 29 - April 3 Toronto, Ontario, Canada 258 kb
CIPP Reducing Project Uncertainty for Residential Sewer Cured-In-Place-Pipe (CIPP) Projects Waligorski, E. and Hall, R. No Dig 2011 March 27 - 31
Washington, D.C.
1,163 kb