Safety in Lighting Design
for Indoor Swimming Pool

Ir Thomas Chan
Dr Ernest Tsang
Wednesday, 16 October, 13

1
More than 3
people die due to
drowning per
month

Wednesday, 16 October, 13

2
7% of drowning
accidents happened
in Swimming Pool

Wednesday, 16 October, 13

3
What is the most
important?
Wednesday, 16 October, 13

4
Energy Efficiency?

Wednesday, 16 October, 13

5
Lighting effect?
Wednesday, 16 October, 13

6
Wednesday, 16 October, 13

7
Wednesday, 16 October, 13

8
Wednesday, 16 October, 13

9
Wednesday, 16 October, 13

10
Wednesday, 16 October, 13

11
Horizontal and
Vertical
Illuminance level
Wednesday, 16 October, 13

12
Wednesday, 16 October, 13

13
Uniformity
Wednesday, 16 October, 13

14
Glare
Wednesday, 16 October, 13

15
Wednesday, 16 October, 13

16
Underwater
Lighting
Wednesday, 16 October, 13

17
Daylight
Factor

Wednesday, 16 October, 13

18
Daylight Glare index
Wednesday, 16 October, 13

19
Skylight
Wednesday, 16 October, 13

20
Glazing Material

Wednesday, 16 October, 13

21
Daylighting
System
Wednesday, 16 October, 13

22
Rs

Rp

R

1.00
0.90
0.80

Reflectance

0.70
0.60
0.50
0.40
0.30
0.20
0.10
0

0

10

20

30

40

50

60

70

80

90

Angle...
Wednesday, 16 October, 13

24
Lighting
Simulation
Wednesday, 16 October, 13

25
Expertise and
deep
understanding

Wednesday, 16 October, 13

26
Searching for new
performance index
Wednesday, 16 October, 13

27
Wednesday, 16 October, 13

28
Alive

Wednesday, 16 October, 13

Dead

29
Let me
know more
from you

Wednesday, 16 October, 13

30
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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 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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20131018 Safety in Lighting Design for Indoor Swimming Pool

  1. 1. Safety in Lighting Design for Indoor Swimming Pool Ir Thomas Chan Dr Ernest Tsang Wednesday, 16 October, 13 1
  2. 2. More than 3 people die due to drowning per month Wednesday, 16 October, 13 2
  3. 3. 7% of drowning accidents happened in Swimming Pool Wednesday, 16 October, 13 3
  4. 4. What is the most important? Wednesday, 16 October, 13 4
  5. 5. Energy Efficiency? Wednesday, 16 October, 13 5
  6. 6. Lighting effect? Wednesday, 16 October, 13 6
  7. 7. Wednesday, 16 October, 13 7
  8. 8. Wednesday, 16 October, 13 8
  9. 9. Wednesday, 16 October, 13 9
  10. 10. Wednesday, 16 October, 13 10
  11. 11. Wednesday, 16 October, 13 11
  12. 12. Horizontal and Vertical Illuminance level Wednesday, 16 October, 13 12
  13. 13. Wednesday, 16 October, 13 13
  14. 14. Uniformity Wednesday, 16 October, 13 14
  15. 15. Glare Wednesday, 16 October, 13 15
  16. 16. Wednesday, 16 October, 13 16
  17. 17. Underwater Lighting Wednesday, 16 October, 13 17
  18. 18. Daylight Factor Wednesday, 16 October, 13 18
  19. 19. Daylight Glare index Wednesday, 16 October, 13 19
  20. 20. Skylight Wednesday, 16 October, 13 20
  21. 21. Glazing Material Wednesday, 16 October, 13 21
  22. 22. Daylighting System Wednesday, 16 October, 13 22
  23. 23. Rs Rp R 1.00 0.90 0.80 Reflectance 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0 0 10 20 30 40 50 60 70 80 90 Angle of Incidence Wednesday, 16 October, 13 23
  24. 24. Wednesday, 16 October, 13 24
  25. 25. Lighting Simulation Wednesday, 16 October, 13 25
  26. 26. Expertise and deep understanding Wednesday, 16 October, 13 26
  27. 27. Searching for new performance index Wednesday, 16 October, 13 27
  28. 28. Wednesday, 16 October, 13 28
  29. 29. Alive Wednesday, 16 October, 13 Dead 29
  30. 30. Let me know more from you Wednesday, 16 October, 13 30

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