Western Corridor Recycled Water Project (Qld, Australia)

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The AUD$2.5 billion Western Corridor Recycled Water Project is Australia’s largest water recycling scheme and the third-largest advanced water treatment project in the world.

It uses secondary wastewater from Brisbane and Ipswich, to produce 232Ml of purified recycled water a day. The project is the Queensland State Government’s response to unprecedented demand on its water supply due to population growth, climate change and the worst drought in recorded history.

As an active member of both the collaborative Western Pipeline Alliance and Eastern Pipeline Alliance teams, GHD informed the early development, strategic framework, leadership, and governance of the project land acquisition, design and construction. GHD also formed part of the owner’s project management group, providing engineering and environmental management services across the pipeline and advance water treatment plant alliances.

As a climate-independent water source, the scheme reduced pressure on region dams and waterways, securing water supply to South East Queensland for current and future domestic, commercial, industrial and rural users.

GHD also provided an environment and approvals team to Department of Infrastructure and Planning to undertake Environmental and Social Impact Assessments (ESIAs) in early project stages. These documented the full range of environmental impacts and required mitigation measures, and formed the basis of community engagement activities around the project. Over 100 development approvals were obtained for the project with no delays to construction or commissioning.

Water

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As the world’s population grows and our standards of living improve so does our need to manage the water in our environment. We need to maximise its application for human well-being and minimise impact on the environment. GHD engineers, scientists and planners can provide sustainable, cost-effective and innovative water solutions.  We assist water utilities and others who provide water services to optimise infrastructure and adapt to environmental changes in ways that balance the needs of our communities. And we enable clients to meet compliance, improve profitability and maintain their commitment to sustainability.

GHD continually expands the boundaries by engaging in research, enhancing existing systems and strategies, evaluating new procedures and transferring technology from other industries into the water industry. We work with our clients through all project stages – planning, investigation, design, delivery, operation and renewal.

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Water Quality & Treatment

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Managing water quality requires careful investigation, water sampling (often over several seasons), and an understanding of the water resource and distributuion system.

GHD has designed, project managed and fine-tuned the operations of more than 300 water treatment plants - from 0.1Ml a day to over 2500Ml a day. Our technical solutions protect public health; improve water taste, colour and odour; reduce corrosiveness; and optimise treatment plant efficiencies.

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Water Systems

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GHD has a strong commitment to working in partnership with clients. That way, clients can fully understand how their water systems work. Our engineers, scientists and ecologists address sustainability, water loss reduction and water efficiency improvements. GHD services cover:

  • Sustainable water resource management and integrated urban water management
  • Drought response planning for the crucial planning, management and sustainable use of water
  • Water pipelines, using an impressive set of analytical and design tools to deliver over 5000km of pipelines (100mm to over 3000mm in diameter) in myriad terrains and pressure conditions
  • Pumping stations, including delivery of over 500 pump stations designed with flows from 1 to over 40,000 litres per second and lifts of more than 1000m and challenging complexity through advanced electrical and mechanical technology
  • Balance storages in varying sizes, shapes and construction materials (concrete, steel, membranes), including ground level storage, elevated towers, standpipe storage and turkey's nest storage
  • Network planning for the implementation and expansion of reticulation networks
  • Water hammer analysis
  • Water intakes, including design of still-water dam intakes, run-of-river intakes in mountain streams and river-bed intakes
  • Groundwater, including solutions to all groundwater abstraction problems, yield assessments, bore development and borehole pumping and treatment
  • Leaks, utilising capability in leak detection and control strategies, latest detection equipment and total life cycle solutions
  • Rehabilitation, through specialist trenchless technology group solutions for rehabilitation/replacement of existing water mains

For further information, contact:

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