1.Clean windows and existing lights (lamps, fixtures, reflectors, covers) and change worn-out bulbs and tubes on staircases and ramps, and in corridors , storage rooms and other back-way areas.
2. Remove obstacles that prevent good distribution of light.
3. Relocate existing lights for better illumination of these areas. Add new lights after consulting workers.
4. Make best use of daylight by keeping some doors open or installing new windows or skylights.
5. Provide easy-to-reach electrical switches near the entrances and exits of corridors and staircases.
6. Paint surfaces with bright colours to make stairs and height differences clearly visible.