Self luminous or electroluminescent signs that have a minimum luminance surface value of at least 06 foot lamberts are permitted.
Exit light regulation singapore.
In a room provided with emergency lighting and where the line of sight to the exit access door is obstructed directional sign shall be provided.
For essential areas such as exit staircases internal and external passageways there shall be no interruption of illumination exceeding 1 sec during the changeover from one energy source to another.
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Ambient lights sources giving illumination to exit signs other than the electrical exit signs must have screens discs or lenses of not less than 25 square inches area made of translucent material to confirm contrast.
Exit signs must be properly illuminated by a reliable light source with a minimum of 5 foot candles on the illuminated surface.
Appendix 24 pdf 372 kb provision of exit and directional signs in buildings.
Each exit sign must be illuminated to a surface value of at least five foot candles 54 lux by a reliable light source and be distinctive in color.
When only one exit access door is provided in the room exit sign is not required at the door room room room.
Appendix 23 pdf 593 kb fire safety requirements for mega underground developments.
Over the exit access doors serving as means of escape b.