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Natatorium renovations with sustainability in mind

Sustainability is defined by the United Nations as “meeting the needs of the present without compromising the ability of future generations to meet their own needs.” When the IU Natatorium underwent a $20 million renovation, the building was designed with sustainability in mind.

Electric/Lighting items

  • All lights in the IU Natatorium were replaced with LED light bulbs.
    • LED bulbs have an outstanding operational lifetime expectation of 100,000 hours, which equals 11 years of continuous operation or 22 years at 50 percent operation.
    • By eliminating the existing fluorescent and metal halide luminaires and using LED luminaries, the updated area lighting uses (at minimum) 43% less energy than prior to renovation.
  • Automatic lighting controls (occupancy sensors) and a new lighting control station for the Natatorium area allows for light dimming, will further reduce overall energy usage.
43% Less Energy
100,000 Hours
11 YEARS Continuous Operation

Mechanical plumbing and pool items

  • The filtration system for the competition and diving pools were replaced with regenerative media filters. The backwash rate and duration for the regenerative filters is significantly less than the previous filtration system, reducing water usage by 65%.
  • The pool UV filtration system for the competition and diving pools were both upgraded to a compact design, reducing overall consumption for the filtration system by 25%.

HVAC

  • All new air handling units were equipped with VFD drives to afford a closer electrical usage to match the load in the spaces served.
  • Aged, inefficient fan coil units were replaced with new that operate at a higher efficiency.

Other infrastructure

  • All traditional water fountains were replaced with water bottle filling stations that allow users to refill their reusable bottles. The stations also track the number of water bottles kept out of the landfill from each use.
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Renovations to the IU Natatorium have resulted in a 65% reduction in water usage, 43% reduction in lighting energy, and 25% reduction in filtration energy.
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