Tuen Mun Swimming Pool, Hong Kong
- Lamp efficacy
Lamp efficacy
Ensuring the lamp efficiently converts electricity into light (lm/W).
- Ballast classification
Ballast classification
Controlling the electricity supply to the lamp (Energy Efficiency Index).
- Luminaire distribution
Luminaire distribution
Controlling light emission using optics which bend and shape the light to the correct location.
- System efficacy
System efficacy
Combining optical and thermal control within the luminaire (luminaire lm/W).
- Presence/absence detection
Presence/absence detection
Providing lighting only when it’s needed.
- Daylight detection
Daylight detection
Reducing waste light during daylight hours.
- Constant illuminance
Constant illuminance
Producing the correct lighting levels for the duration of the maintenance period.
- Task-scene setting
Task-scene setting
Allowing the user to set scenes and adapt the lighting to different tasks.
- Timed off
Timed off
Automatic cut-off to turn all lights off during unoccupied hours.
- Task lighting
Task lighting
Lighting task areas with the correct amount of light.
- Zoning of lighting
Zoning of lighting
Zoning lighting in accordance to occupancy patterns or window location.
- Maintenance schedule
Maintenance schedule
Tailoring maintenance schedules in accordance to product age, performance and environment.
- Waste light
Waste light
Eliminating waste light which does not hit the intended target.
- Reflectance
Reflectance
Taking advantage of light which is reflected from the surface within the space.
- Visible smart metering
Visible smart metering
Enabling results of actions to be quickly seen as increased or decreased energy use to encourage responsible energy consumption.
Thorn floodlights create a safe, comfortable environment for Tuen Mun swimmers
The Leisure and Cultural Services Department in Hong Kong attaches great importance to providing high quality facilities to the public. The new swimming pool complex in Area 1 (San Wai Court), Tuen Mun, is a state-of-the-art $790m development. Outdoor facilities include a 50x25m main pool with a 1,200 seated capacity spectator stand, a 25x15m outdoor training pool and a 25x15m outdoor teaching pool. Thorn Lighting Hong Kong was commissioned to provide the floodlighting for this fantastic outdoor space with the aim of providing high quality task illumination.
Glare control essential for comfort and safety
Thorn’s Champion and Mundial C metal halide floodlights were chosen to illuminate the three pools. Champion is a high performance floodlight for training grounds with best in class optic control of obtrusive light. The 1kW projector incorporates a flat glass concept and an integrated visor for total control of glare and obtrusive light. Champion offers maximum optical efficiency and accurate light distribution with minimum light spill.
The Champion floodlights were applied to achieve 0.5 uniformity. This ensures there is enough variation to prevent bland uniform light but with no excessive contrasts. Visual dark spots in the pool could be dangerous in the event of a swimmer having problems.
Similarly, Mundial C is a high power and high performance floodlight specifically designed for all sport applications and large area illumination. With the lighting applied to highlight the pools’ turning ends, the 1kW hot restrike lamp version was selected to ensure there is no loss of lighting, which would be dangerous for both swimmers and those surrounding the pools.
Computer optimised optical systems combined with unique optical construction ensure glare is kept to <56 on the water surface whilst lighting to the bottom of the pool for maximum swimmer safety. Excellent glare control is important to ensure pool attendants’ have a good view of swimmers, as well as the comfort of spectators, the surrounding residents and local wildlife.
The quality IP65 rated luminaires and asymmetric distribution allow the fittings to be positioned on the edge of the pool for ease of maintenance and safety. Mundial C is particularly easy to install and maintain with rear access and automatic power interruption.
Peter Thorns, Head of Strategic Lighting Applications at Thorn says: “Professional design has ensured verified compliance to all applicable standards and best practice. On-site measurement of installed performance also ensures safety and energy efficiency by providing the correct lighting levels at all times.”
For more information about Champion, go to www.thornlighting.com/CHMP
For more information about Mundial C, go to www.thornlighting.com/MUNC
Key facts
- Switched lighting levels (200, 300 and 600 lux)
- Maintenance factor - 0.68
- Glare - <56
- Luminaires designed for sustainability and end of life recycling
- Year of completion: 2012
Products
- Champion
- Mundial C
- Tuen Mun Swimming Pool Case Study
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