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Beaudesert Southwest Water Pipeline

Project type

Geotechnical Engineering




Beaudesert, Queensland

Beaudesert Southwest Water Pipeline and the new Wyaralong Water Treatment Plant are currently under construction by Service Stream for SEQ Water. PTG Consulting completed the geotechnical investigation for the 27km Southwest Pipeline and the Wyalong Transfer System Development and is currently providing on-site construction advice.

The project connects Beaudesert to the SEQ Water Grid will ensure a reliable long-term water supply for the Scenic Rim. The South West Pipeline will be the biggest addition to the SEQ Water Grid since 2012. The new Wyaralong Water Treatment Plant will be capable of producing up to 30 million litres of drinking water per day, compared to the current 4 million litres per day.

PTG Consulting provided geotechnical advice for a range of construction issues including trench bed bearing capacity, horizontal resistance for thrust blocks, dispersive soil management and horizontal directional drilling assessment for river crossings.

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