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Delivering recycled water pipeline infrastructure supporting agricultural irrigation and environmental protection in the Caboolture region.

Unitywater – Wamuran Irrigation Scheme

Caboolture / Wamuran, Queensland

Agricultural Water Reuse

[Project Background]

Supporting Sustainable Agricultural Irrigation

The Wamuran Irrigation Scheme was developed to deliver Class A recycled water from the Caboolture South Wastewater Treatment Plant to surrounding agricultural areas.

The project supports regional growth while significantly reducing nutrient discharge into the Caboolture River, improving environmental outcomes and creating a sustainable water source for local farming operations.

[Scope Of Works]

Operating in Sensitive and Live environments

Construction of transfer and distribution pipelines delivering Class A recycled water for agricultural irrigation.

Installation of transfer, distribution, and processing pipeline infrastructure

Construction using PE, DICL, MSCL, and concrete pipeline systems

Pressure testing and commissioning in accordance with Unitywater specifications

Delivery of pipeline infrastructure through rural and urban environments

Project Technical Snapshot

Construction of recycled water transfer and distribution pipelines supporting agricultural irrigation infrastructure.

Transfer, Distribution and Processing Pipelines

Pipeline Length

Up to 17km Pipeline Installation

Pipe Sizes

DN355 – DN800 Pipeline Infrastructure

[Outcome / Key Features]

Recycled Water Infrastructure Supporting Regional Irrigation

Outcome

Delivery of recycled water transfer and distribution pipeline infrastructure for the Wamuran Irrigation Scheme
Installation of pipeline networks connecting the Caboolture South Wastewater Treatment Plant to agricultural irrigation zones
Pressure testing and commissioning of pipelines in accordance with Unitywater specifications
Successful delivery supporting long-term sustainable irrigation supply for regional agriculture

Key Features

Installation of pipelines using multiple pipe materials including PE, Ductile Iron, MSCL and Concrete pipes
Pipeline diameters ranging from DN355 to DN800
Construction undertaken through rural farmland, urban corridors and near Caboolture Hospital
Implementation of stringent environmental protocols due to sensitive waterways, wetlands and acid sulphate soils
Quality assurance procedures including HDPE weld testing and inspection
Stakeholder and community coordination during pipeline installation through road corridors and built-up areas

[Environmental Responsibility]

Protecting waterways through recycled water reuse

The Wamuran Irrigation Scheme significantly reduces nutrient discharge into the Caboolture River by redirecting treated wastewater for agricultural irrigation. Environmental management protocols were implemented during construction to protect nearby waterways, wetlands and sensitive soil conditions.

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