State-of-the-art aquatic centre adopts Waterco technology

Monday, 09 July, 2012

A new multi-million-dollar Victorian sports and aquatic centre has been equipped with Waterco's Air Scour Filtration system, which will result in substantial water and energy savings.

Located in Bentleigh East, Melbourne, the $45 million Glen Eira Sports and Aquatic Centre (GESAC) features five separate pools, two water slides and a fully equipped aquatic wellness area.

The entire operation uses Air Scour Filtration across the swimming pool system because it is widely known to increase the efficiency of the backwash cycle and improve filter performance. The filtration system was installed by WJ Pratt, which specialises in water treatment plants and environmental solutions primarily for the aquatics and exhibits industry.

Super-sized swimming pools

The $45 million Glen Eira Sports and Aquatic Centre will be one of the premier sports and aquatic centres in Australia. It features:

  • An eight-lane indoor 25m pool catering for lap swimmers, squads, schools and aquatic fitness activities
  • An eight-lane outdoor 50m pool for lap swimmers, squads, schools, carnivals and leisure
  • 510m² leisure pool equipped with a range of the latest interactive water features and play equipment
  • Two waterslides that travel inside and outside the facility
  • Aquatic wellness area designed as a therapy and relaxation area for adults. It incorporates a 200m² hotwater pool, spa, sauna and steam room
  • 100m² program pool designed for learn-to-swim and aquatic programs

"Using Waterco's Air Scour Filtration system will result in a saving of between 25 and 35 per cent of the backwash water for all filters," explains Sam Schuckert, Waterco's national commercial/water treatment manager.

Backwashing a filter with sand media at standard velocities means backwashing at 40-50m³/hr/m², while using the air water backwashing technique means backwashing at 25-30m³/hr/m².

Standout features of the Waterco Air Scour system:

  • Provides extremely uniform air scour distribution
  • Installed with no underdrain modifications required
  • Works more efficiently in industrial water treatment applications where the water is much dirtier than normally found in a commercial pool application
  • Savings of between 25 and 35 per cent of the backwash water

"The use of air in backwashing filters was developed in Europe in the 1970s; however, in the 1990s researchers at Georgia Institute of Technology (USA) determined that with deep-bed rapid sand filters, using air alone was not as efficient as the air/water combined backwash," says Sam. "In addition, they discovered that backwashing the filter air and water at sub-fluidisation levels worked just as effectively as water, only at higher fluidisation flow rates."

In addition to the Glen Eira Sports and Aquatic Centre, Waterco has provided deepbed Air Scour filters to the Tieri Aquatic Centre in North Queensland as well as the Fitzroy River Community and Aquatic Centre in Rockhampton, Queensland.

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