In various circumstances an exit sign posted above an emergency exit door is sufficient but there are certain situations where floor proximity exit signs are also required.
Floor proximity exit signs.
The signs shall be located on or adjacent to the door with the nearest edge within four inches of the door.
Floor proximity exit signs shall have the same illumination requirements as traditional exit signs.
B emergency exit signs.
According to the international building code and the international fire code if your building has group r 1 occupancyâ then floor level exit signs are a requirement.
Accessible exits at the level.
2 exterior emergency lighting.
According to both the international building code and the international fire code floor level exit signs are required in buildings with group r 1 occupancy.