20131018 Safety in Lighting Design for Indoor Swimming Pool
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Designs of indoor lighting environment commonly adopt the parameters of the combination of indoor illuminance level, daylight factor, and exposed view to exterior, uniformity and glare indexes. These ...
Designs of indoor lighting environment commonly adopt the parameters of the combination of indoor illuminance level, daylight factor, and exposed view to exterior, uniformity and glare indexes. These references work extremely well in most of the building designs. However, when it comes to indoor swimming pools design, simply adopting the above indexes cannot ensure a safety environment for swimmers and other end-users as water itself is a good reflector of light from the reflectance off the walls and ceilings and from the daylight through windows and roofs. The reflected lights or glares are often transient. The situation is dynamic as the surface of water moves with wakes. These factors post new challenges for the indoor lighting design in ensuring lifeguards to carry out their duties against momentary glares of blinding effect. A comprehensive study was conducted to identify the cause of different physical phenomenon related to reflection and glare found in indoor swimming pools. In this paper, the implications of several design parameters are discussed. Some artificial lighting and daylighting designs related to the best practices of indoor swimming pools are also covered.
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