Chatswood CBD and Civic Place integrated water management
Sydney
Total funding: Total project cost of $7.14 million with funding of $2.38 million from the Australian Government, $1.88 million confirmed from the NSW Department of Environment, Climate Change and Water (DECCW); and the remaining $2.88 million from the Willoughby City Council.
About the project
The project will harvest stormwater from the Chatswood Central Business District (CBD) and the Civic Place development, and reuse it within Civic Place for non-drinking purposes, to reduce demand for potable water. A stormwater retention/detention tank will be constructed under Ferguson Lane, a public road. The project is an innovative element of the larger $129 million Civic Place development in Chatswood which includes a new library, cultural, community and retail facilities. The development will incorporate smart water technologies and fittings throughout the facilities and open space areas.
Project benefits
The Chatswood CBD and Civic Place Integrated Water Management project will:
- demonstrate the potential for stormwater harvesting and reuse in high density urban centres;
- reduce total potable water consumption in the development by 25 megalitres a year, a reduction of 81 per cent compared with standard practice;
- reduce stormwater discharge to local creeks and Middle Harbour by 14 per cent; and
- provide a community educational facility in the management of water re-use and sustainability.
The project will advance the National Water Initiative outcome of encouraging the reuse and recycling of water where cost effective and encouraging innovation in water supply sourcing, treatment, storage and discharge.
Progress
The construction of the 5000 cubic meter capacity stormwater detention tank has been completed and secondary tanks are well advanced. An early flood warning system has been developed in collaboration with the Bureau of Meteorology to allow controlled discharge of stormwater prior to a storm event.
Primary treatment facilities are currently being installed, and modelling of the primary tank to determine optimal sediment removal is being undertaken.
Design of the treatment system is now complete, along with the expression of interest process for it's construction.
The current project objective is to have the stormwater management component of The Concourse project completed by early 2011.
Water Smart Australia projects are funded by the Australian Government's Water for the Future initiative.
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