ANZ

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Corporate Responsibility

New Workplace

Reducing Our Environmental Footprint

ANZ's new workplace at 833 Collins Street in Melbourne's Docklands precinct will reflect ANZ's commitment to reducing its environmental impact. The workplace is the largest, greenest commercial office building currently under construction in Australia. It will be home to over 6,500 ANZ staff and is due for completion in late 2009.

The building will be one of the world's most environmentally progressive financial sector workplaces. It is registered for a Green Star rating with the Green Building Council of Australia for the categories 'Office as Built', 'Office Interiors' and 'Office Design'.

Generating Electricity

The new building will generate its own electricity in three ways:

  • A tri-generation plant: Electricity will be generated onsite using natural gas instead of brown coal which has a significantly higher carbon intensity. The heat from the process feeds the air conditioning absorption chillers in the summer and the boilers for heating in the winter.
  • Solar power: 1,000 square metres of solar cells will be installed on the roof of the building supplying clean, renewable electricity
  • Wind turbines: Roof mounted wind turbines will further supplement the electricity being generated onsite for use within the building

Better and More Efficient Air Conditioning

The building will reduce the energy and water consumption associated with air conditioning:

  • River cooling: Cool water from the river is piped through the building where the temperature differential is used to cool the water of the air conditioning system, reducing the demand on the cooling towers.
  • Underfloor air conditioning: An energy-efficient air conditioning system maximises the use of fresh air and provides a healthy working environment.

Smarter Waste Use

Where possible, the building will avoid drawing upon Melbourne's limited fresh water supply:

  • Blackwater recycling: All waste water will be recycled for use in landscape irrigation, toilet flushing and cooling towers.
  • Stormwater reuse: Rainwater from the upper roof area of the building will be retained and collected in a tank for irrigation of the lower green roof and other landscaped areas, in conjunction with the water from the blackwater recycling plant.

Other features

The Docklands building has been designed with a number of other environmental features, including:

  • Green roof: Low-growing, drought-tolerant species on the lower roof adjacent to the Yarra River will create a "cool zone" which returns oxygen to the air.
  • Sun shading: Exterior sun shading will maximise daylight and reduce heat gain and loss.

The impact

Against average Australian office buildings, greenhouse gas emissions are expected to be reduced by 60% in ANZ's new Docklands building. This is equivalent to taking 2,200 cars off the road every year. Similarly, water consumption will be 60% less than the industry average.