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International No-Dig heads to New Zealand


The Australasian Society for Trenchless Technology has successfully bid to host the 2026 International No-Dig Conference & Exhibition in New Zealand. 

The Australasian Society for Trenchless Technology (ASTT), along with media partner Prime Creative Media, presented its bid to hold the 2026 event at the International Society for Trenchless Technology (ISTT) International Council Meeting at the Mexico City Conference in October 2023. 

The ISTT International Council unanimously voted in favour of the proposal.

“We’re thrilled to have won the bid to host the 2026 ISTT International No-Dig Conference and Exhibition in Auckland,” ASTT Secretary Trevor Gosatti said. 

“It will be a fantastic opportunity to promote and showcase the vibrant trenchless technology community in the Australasian region, particularly in New Zealand, to the rest of the world.”

Organised in part by the ISTT, the International No-Dig conference provides a platform for the international trenchless community to meet, exchange ideas and network. 

The conference not only showcases the latest in the field but also outlines the significance of trenchless technology in infrastructure development. 

The 2026 iteration of the event is set to take place at the New Zealand International Convention Centre in Auckland. 

This world-class facility is due for completion in mid-2024 and will include three hotels and award-winning restaurants. 

It will be one of three carbon neutral convention centres in the world, making it an ideal location to showcase the capabilities and technologies of the Australasian trenchless technology community. 

Since the 1990s, New Zealand has heralded the benefits of trenchless technology. The industry started with small scale horizontal directional drilling (HDD) and had early capability in auger boring. 

The event is set to take place at the New Zealand International Convention Centre in Auckland, set for completion in 2024. Image: aaron90311/stock.adobe.com

Gravity rehab began to thrive in the late 1990s and continued with larger scale reduction programmes for cleaner beaches. 

Today, many techniques are used in New Zealand including HDD, microtunnelling, pipe jacking, pipe lining, auger boring and location detection services. 

Usage of trenchless is strong across water utilities through sewer and stormwater infrastructure, as well as in gas and telecommunication utilities. 

The industry is also heavily utilised within transport for culverts and industrial processes.

Some significant projects that have been completed, or are currently under construction, using trenchless technology include the 15km Central Interceptor wastewater storage tunnel, Project Hobson, and the Tauranga Southern Pipeline Harbour HDD crossing. 

With the next No-Dig Down Under set to take place in 2025, the Australasian trenchless technology community has a lot to look forward to. More information of these two events is still to come.

This article featured in the February edition of Trenchless Australasia. 

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