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Mundaring DWTP

The ACCIONA Agua JV is the delivery contractor for the project and is responsible for the design, construction, operation and maintenance of the A$300M water treatment plant.

The original G&AWS scheme was developed in 1895 when C. Y. O'Connor engineered a scheme to deliver 23 MLD of untreated water to the Goldfields region through the construction of the Mundaring Weir, 530 kilometres of 30” pipeline, delivered using eight steam-driven pumping stations. A world class engineering feat of the era! Since then this water system has been progressively upgraded, the new Mundaring Water Treatment Plant and pumping stations being the latest of these improvements to be implemented.

General information

Client
Water Corporation
Type of contract
Design, build and operate
Contract award
February 2009
Location
Mundaring, Western Australia
Technology
Dissolved Air Flotation Filtration (DAFF) and Biological Activated Carbon (BAC), Chloramination
Maximum capacity
165 ML/d expandable to 240 ML/d
Facilities
Water treatment plant, pumping station and integration works
Project term
Design and Construct (EPC): 2 years
Operation and Maintenance: 35 years 
Capital cost
AU$300 million
Operations
Acciona Trility Joint Venture Pty Ltd, a company owned equally by ACCIONA Agua and Trility Pty Ltd will jointly operate and maintain the facility for 35 years

Key Features

The ACCIONA Agua JV is the delivery contractor for the project and is responsible for the design, construction, operation and maintenance of the A$300M water treatment plant.

    • 24 months delivery period, employing 450 people.
    • 35 Subcontractors.
    • 54 Suppliers.
    • 49 Project Managers.
    • Provide Business Systems (AS/NZS/ISO 9001; 4801; 14000).

Awards

  • 2012 Infrastructure Partnerships Australia, Government Partnership National Infrastructure Excellence Award
  • 2012 Global Water Intelligence, Water Deal of the Year

  • 2011 Project Finance Magazine, Asia-Pacific Water Deal of the Year

Image Gallery

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