Council considered a range of options to identify a model that would deliver strong health and recreation outcomes while reducing construction and ongoing operational and maintenance costs.
The key change in the revised plan is the size of the multipurpose pool, which has been reduced from 50 metres to 25 metres. All other major components remain.
The 25-metre pool will support a wide range of uses, including learn-to-swim programs for children, lap swimming, recreation, fitness and warm-water exercise, rehabilitation and low-impact activities.
Reducing the size of the pool, as well as making other design and scope efficiencies, is estimated to save $37 million, helping to make the project more financially sustainable.
A review of similar Victorian aquatic centres found that their 50-metre pools are set up as 25-metre pools for 72 per cent of their operating hours. This indicates that a 25-metre pool can meet most of the needs of everyday community users.
Existing regional facilities such as Splash in Craigieburn and WaterMarc in Greensborough already provide access to 50-metre pools for specialist aquatic activities, including long-course swimming, competitions and higher-level training.