Australasian Society for Trenchless Technology
The regional authority on no-dig engineering.
ASTT connects engineers, contractors, asset owners and academics across Australia and New Zealand — advancing practice in HDD, CIPP, microtunnelling, pipe bursting and condition assessment.
Knowledge library
Recent technical content
Amendment No. 1 to Specification: Design for Structural Renovation of Pipelines by Internal Lining – Part 1: Circular Non-pressure Pipelines (DS-D001 Amd 1)
2025
Specification: Design for Structural Renovation of Pipelines by Internal Lining
ASTT SIG · 2022
ASTT Specification for Horizontal Directional Drilling
2015
Corporate members
Our members build trenchless across Australia and New Zealand.
Gold members
Silver members
- AECOM New Zealand Limited
- Applied Felts
- Arcadis Australia Pacific Pty Ltd
- Atteris Pty Ltd
- Australian Pipeline Management Pty Ltd
- Boss Attachments NZ Ltd
- CC Group
- CDS New Zealand Ltd
- D.J. Mac Cormick Contractors
- David Moss Group
- Derrick Australia Pty Ltd
- Digital Control - Australia
- Diversified Services Australia
- Dormway Pty Ltd
- Drainchem Australia
- Empire Infrastructure
- FST Technologies Pty Ltd
- Hynds Pipe Systems Ltd
- JB Trenchless Pty Ltd
- LKL International Pty Ltd
- March Cato Ltd
- Mott MacDonald
- Pezzimenti Tunnelbore Pty Ltd.
- Pipeline Drillers Group
- Pro Line
- Ravago NZ Ltd
- Rob Carr Pty Ltd
- Rose Atkins Rimmer (Infrastructure) Pty Ltd
- SASTTI Joint Venture
- Sydney Water
- Universal Underground
- WA Utilities
- Yarra Valley Water
- APA Group
- Auckland Council
- Greater Western Water
- South East Water
- Unitywater
Latest
What's new
From ASTT and from the industry's publications and conferences, each credited to its publisher.
TasWater completes landmark project with 3km pipeline in Launceston
After years of planning and construction, one of the largest environmental infrastructure projects ever delivered in northern Tasmania is complete.
From Trenchless Australasia
ASTT to host smarter tools trenchless forum
The latest trenchless forum presented by the Australasian Society for Trenchless Technology will take place 10 November.
From Trenchless Australasia
Introducing Condor Underground: A new home for underground equipment solutions
Condor is bringing its underground equipment offering under one dedicated name.
From International No-Dig Auckland
Driving the circular economy: HydroCycle embarks on new liquid waste recycling venture
Driven by infrastructure investment, sustainability goals, and increasing landfill costs, demand for recycled hydro excavation material in New Zealand is…
From International No-Dig AucklandQuestions
Frequently asked questions
If your question is not answered here, get in touch.
The ASTT, in conjunction with its Conference Organiser, Prime Creative Media, arranges a National Conference and Exhibition every two years. In alternate years, ASTT participates in New Zealand at WaterNZ's National Conference and Exhibition.
Go to the Members Directory and follow the search prompts to locate an HDD operator in your area.
Yes. Membership in Special Interest Groups is open to any ASTT member, regardless of membership category.
Information about trenchless competency and certification can be found on the ASTT website under Education → Courses.
ASTT is always looking for presentations. The best approach is to contact your local Councillor to discuss opportunities.
ASTT allows membership category changes at any time. However, it is recommended to make the change at least one month before the membership renewal notice is issued.