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.

Pacific Northwest Chapter Magazine – Pacific Northwest Trenchless Review

SubjectTitle of PresentationAuthorsConference Date & Location
HDDEffectiveness of Hydrofracture Prediction for HDD DesignStaheli, K., Price, C., and L. WetterNo Dig 2010 May 2 – 7 Chicago, Illinois.
HDDOcean Outfall Presents Challenges to HDD ConstructionWetter, L., Pease, M., McCaffrey, K. and D. R. KendallNo Dig 2010 May 2 – 7 Chicago, Illinois
GBRThe Legal Impact of Geotechnical Baseline ReportsParnass, J., and K. StaheliNo Dig 2010 May 2 – 7 Chicago, Illinois
GBRGeotechnical Baseline Reports – Applying the Guidelines to MicrotunnelingStaheli, K. and L. MadayNo Dig 2009 March 29 – April 3 Toronto, Ontario, Canada
CIPPReducing Project Uncertainty for Residential Sewer Cured-In-Place-Pipe (CIPP) ProjectsWaligorski, E. and Hall, R.No Dig 2011 March 27 – 31 Washington, D.C.

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When you join the North American Society for Trenchless Technology (NASTT), you’ll belong to the largest community of trenchless professionals in the USA and Canada committed to promoting better and more responsible ways to manage underground infrastructure and advance trenchless technology for the benefit of the public and the natural environment.

Join as a college student or individual professional or get group savings as an organization with a corporate or government/education/utility membership. Chapter membership is included with NASTT membership.