The purpose of emergency lighting is to provide light in the event of a mains or local power supply failure.
The emergency lighting design must take into account the following:
- Escape route signs
- Stairs so that each flight receives direct light
- Changes in level
- Changes of escape route direction
- Corridor intersections
- First aid posts
- Fire alarm call points or pieces of fire fighting equipment
- External areas in the immediate vicinity of final exits
- Moving stairways and walkways
- Toilet facilities exceeding 8m² or any multiple closet facility without borrowed light
- Toilet facilities for disabled use
- Motor generator, control and plant rooms
- All other areas as deemed by the Risk Assessment