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Project Manager : June July 2011
27 www.aipm.com.au Project Manager HERE COMES THE RAIN AGAIN CASE STUDY • Ian Collins and then Acting Premier Rob Hulls at the launch of Etihad Stadium's water tanks RAINWATER TANKS WERE INSTALLED WITH A CAPACITY TO STORE UP TO ONE MILLION LITRES OF RAINWATER COLLECTED FROM THE 40,000SQM STADIUM ROOF OTHER INITIATIVES The stadium also implemented the following water-saving initiatives: • The replacement of 40 showerheads with more water efficient models; • Flow restrictors installed on all hand basins; • Installation of a water recycling unit; • Addition of wetting agents in the irrigation system; • Replacement of existing toilet flush mechanisms with newly developed components, which reduce the amount of water used in the 800 toilet pans within the stadium; • Stadium signage promoting water conservation; and • A review of water usage practices with staff and contractors. The project is fully automated through a building management system (BMS) to ensure the capability to both capture and distribute rainwater is maximised. The BMS allows stadium management to electronically control the diversion of har vested water through the pneumatic valves. OUTCOME To date, the water harvesting project has saved in excess of 28 million litres of water. “ This initiative has allowed us to save millions of litres of water each year which frees up more valuable drinking water for other uses. It also makes sound economic sense as we save money on our water and energy bills,” sa id Ian Collins AM, Chief Executive Officer, Etihad Stadium.
April May 2011
Project Manager Aug Sep 2011