DEXUS and co-owners DWPF and Cbus Property has been awarded the first combined private network and retailer’s water recycling licence to the 1 Bligh St development, making it Sydney CBD’s first high-rise commercial office tower to incorporate blackwater recycling technology.
Construction is underway on a recycled treatment plant in the basement of the development. Under the project:
- wastewater will be mined from the nearby sewer main and the base building
- wastewater will then be treated to standards approved by NSW Health at the recycled water plant in the basement
- water will then be distributed around the building for non-drinking purposes, with 75,000 litres used for cooling towers and 25,000 litres will be used for flushing toilets
The 1 Bligh Street development is co-owned by DEXUS, DEXUS Wholesale Property Fund and Cbus, and being built by Grocon. Aquacell will build and operate the recycled water infrastructure.
Aquacell plans to add other sites in NSW to its licence, which will open the way for developers to access private sewer and recycled water schemes where they are urgently needed.
Grocon CEO, Daniel Grollo said the company’s core value of sustainability was being embraced with the incorporation of blackwater sewer mining on 1 Bligh St.
"This system provides 100 per cent recycled water for toilet flushing, as well as 90 per cent of cooling tower makeup water - thus demand on the water infrastructure is drastically minimised. It has been great to work with DEXUS/Cbus Property and Aquacell on this initiative," Grollo says.
The development will be opened in May 2011.
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