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For a Sports stadium, What is recommended level of illumination i.e intensity of illumination?

For a Sports stadium, What is recommended level of illumination i.e intensity of illumination? Correct Answer 300 lux

Illumination Required for Different Purposes:

  • The human eye possesses a tremendous power of accommodation and it can work comfortably within an enormous range of illuminations.
  • For example, at full noon, the sun provides about 120,000 lm/m2, diffuse day-light near a window is of the order of 600 lm/m2 (value varying widely) and full moon-light gives 0.1 to 0.3 lm/m2.
  • For reading, usually, 20 to 30 lm/m2 is generally considered sufficient, though daylight illumination is much higher.
  • Some persons can read without much strain even when illumination is as low as 3 lm/m2.
  • Because of this, it is difficult to lay down definite values of illumination for various purposes but the following summary will be found useful:

Occupancy

Illumination (lux)

Covered areas

Proofreading

95 – 185

Drawing an exhibition

55 – 95

Museums

35 – 55

Bedrooms and waiting room

18 – 32

Hospital, railway yards, and platforms

5 – 10

Hotels and restaurants

Reception, dining room, and bedroom

150 – 200

Accounts and writing desks

300 – 400

Power station

Boilerhouse, turbine stage, transformer, and switchgear chamber

100 – 150

Control room

200 – 300

Canteens

 

100 – 200

Outdoor areas

Boxing rings

1750 – 2750

Racetracks

185 – 280

Railway shunting yards

110 – 200

Spot grounds

Football ground

100 – 200

Tennis court

300 – 400

Stadium

200 – 300

Industrial purpose

Precision machine room

240 – 500

Lathe and sewing machine

140 – 185

Genera lighting factory

18 – 35

Schools and colleges

Laboratories, library, lecture hall, and workshop

200 – 300

 

Drawing rooms

400 – 500

 

Waiting rooms and stair

100 – 150

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