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
- Atteris Pty Ltd
- Australian Pipeline Management Pty Ltd
- D.J. Mac Cormick Contractors
- David Moss Group
- Derrick Australia Pty Ltd
- Dormway Pty Ltd
- Drainchem Australia
- Empire Infrastructure
- FST Technologies Pty Ltd
- Hynds Pipe Systems Ltd
- JB Trenchless Pty Ltd
- kwik-ZIP Spacers
- LKL International Pty Ltd
- Mott MacDonald
- Pipeline Drillers Group
- PneuVibe Pty Ltd
- Pro Line
- Qalchek Pty 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
- Greater Western Water
- South East Water
Latest
What's new
From ASTT and from the industry's publications and conferences, each credited to its publisher.
Leaps of faith
Based in the Bayside suburb of Seaford in Melbourne, Controltech Solutions is a dynamic civil contractor that specialises in Non-Destructive Digging, Drain…
From Trenchless Australasia · William Craske
Trenchless tenders drop for South Gippsland, Lithgow, Far North QLD, Darwin, Kimberley
Trenchless Australasia has teamed up with Australian Tenders to bring readers the latest trenchless tenders.
From Trenchless Australasia
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 Auckland
Michels Trenchless returns as Silver Sponsor of No-Dig Down Under
No-Dig Down Under is pleased to welcome Michels Trenchless back as a Silver Sponsor, continuing a partnership that reflects a shared commitment to advancing…
From No-Dig Down Under · Tiarna CondrenQuestions
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.