Geoquest has been providing innovative solutions for major infrastructure projects in Australia and New Zealand since 1974.
Geoquest Australia & New Zealand specialises in reinforced backfill applications, soil-structure interaction, precast concrete solutions, advanced geosynthetics and environmental hazard protection.
Project Spotlight
Supporting One Subiaco – Precast concrete columns
Geoquest played a key role in the foundation construction of One Subiaco in Perth by supplying and installing 35 critical precast concrete columns.
Victoria’s Big Build – Rail Transformation
The South Geelong to Waurn Ponds Duplication Rail Project; supplying 13,700m² of TerraPlus® mechanically stablised earth retaining walls as we play our part in Victoria’s Big Build.
Chaffey Dam, NSW: Reinforced Earth® for Upgrade
Chaffey Dam, Australia: Reinforced Earth® Walls to Double Capacity, Increase Safety Standards [...]
Latest News & Media
40 Years of Reinforced Earth® in New Zealand
Geoquest has strengthened New Zealand’s infrastructure for 40 years. Clyde Dam and Cromwell Gorge is a benchmark in long‑term geotechnical resilience.
WestConnex Rozelle Interchange
Rozelle Interchange was key in Sydney’s transport transformation. View the scale and engineering behind the landmark achievement.
Cairns Water Security Project
Cairns Water Security Project: design and supply of 875 m² Reinforced Earth™ TerraPlus® retaining walls —equivalent to three tennis courts.
Resilience through Turn-Key Solutions
How turn-key engineering solutions are reducing risk in a changing climate - resilience through considered geotechnical design and engineering.
CBH Avon Storage Refurbishment
Geoquest supports CBH Avon Grain Storage Refurbishment, a major project boosting capacity in Western Australia’s Wheatbelt.
Precast Deck Slabs for Landmark Bridge
Molonglo River Bridge: 414 precast concrete deck slabs for bridge superstructure - one of the longest weathering steel bridges in Australia.
