The North American Society for Trenchless Technology offers multiple in-depth, high-quality training courses each year in-person in cities throughout North America, as well as a virtual webinar format covering targeted trenchless topics, such as CIPP, horizontal directional drilling, pipe bursting, laterals and new installation methods.
NASTT strives to produce high-quality course content that is peer-reviewed for noncommercialized, consensus-based information.
HDD OFFERINGS
Recently the fifth edition of NASTT’s Horizontal Directional Drilling Good Practices Guidelines book was released. And by popular demand, the book is now available in a digital format accessible online from any device, as well as a print-on-demand version. The fifth edition includes updated content reflecting the latest advancements and techniques in HDD.
Alongside the book, NASTT has also updated the HDD training course to align with the new edition. The all-new HDD Good Practices Course offers eight hours of technical education. Here are some of the exciting updates to expect from this revised course:
- Expanded geotechnical investigation recommendations
- Revised recommendations for bend radius considerations
- Discussion of new U.S. Army Corps requirements for HDD crossings under levees
- Significant changes to recommendations for guidance, surveying and tracking of HDD pilot holes
- Significant changes to construction considerations, including noise abatement, intersect method, drilling in rock, pipe fabrication and support, and inspection of HDD projects
An additional advanced HDD short course has also been developed to address further topics. NASTT’s HDD: Calculations & Advanced Design Good Practices Course is based on advanced modules from the guidelines. The four-hour course is geared toward industry professionals that have an understanding of the basics of HDD construction. This session focuses on advanced design considerations that are specific to HDD projects. The presentation includes a detailed look at geotechnical conditions and potential risks related to ground conditions as well as a discussion of contract document considerations. The course also includes an in-depth discussion of the calculations that are needed to assess and mitigate risks when designing HDD crossing geometries, including hydrofracture risk analysis, pullback and pipe stress calculations for various pipe materials, and settlement risk evaluations. These calculations are often required to secure permits from departments of transportation, railroad owners, environmental agencies and flood control agencies, among other stakeholders.
CIPP OFFERINGS
NASTT’s CIPP Good Practices Guidelines book and course training materials began their development in 2004. Installation methodologies, tube and resin systems, engineering methodologies and technologies have advanced over the past several years, and significant updates were made so that the book and course materials were current and relevant. The second edition is coming in 2025. The all-new NASTT CIPP Good Practices Course provides a comprehensive overview of gravity sewer CIPP rehabilitation from planning, through design, project implementation and verification. It also provides an overview of CIPP in pressure applications and in sewer lateral programs. Major updates in design include both the most current ASTM F1216 - Appendix X1 releases, ASCE MOP 145 and an overview of the soon-to-be-released AWWA design appendices for pressure pipe design of CIPP. Other enhancements include environmental and safety aspects of CIPP, including the latest research on VOC management.
Additional updates on the horizon include an all-new Laterals Good Practices Course that will premier in April during the NASTT 2025 No-Dig Show in Denver. The suite of NASTT training courses, both the four-hour Intro to New Installation and Intro to Rehabilitation Courses, as well as the eight-hour courses will be available in-person in Denver and virtually throughout the year.
For the latest schedule visit nastt.org/training/upcoming-events to view the training and events calendar. For questions on NASTT publications or training programs, contact NASTT Education Manager Kari Webb at kwebb@nastt.org.











