Exit sign and Emergency lightHamoun Nik
Exit Signs and Other Markings (27-383)
(a) Exit signs. Except in occupancy groups J-2 and J-3, the location of every exit on every floor and every opening from a room classified in occupancy group J-1 and containing cubicles shall be clearly indicated by exit signs.
Such signs shall be placed at an angle with the exit opening if such placement is required for the signs to serve their purpose. In long corridors, in open floor areas, and in all other situations where the location of the exit may not be readily visible or understood, directional signs shall be provided to serve as guides from all portions of the corridor or floor.
(b) Exit path markings in high-rise office buildings and in occupancy group E high-rise buildings. On and after July 1, 2006, all high-rise office buildings and all high-rise buildings classified in occupancy group E shall have exit path markings conforming to this subdivision.
This provision shall be retroactive and shall apply to buildings constructed on and after such date and to buildings in existence on such date. All exit path markings required herein shall be of an approved photoluminescent material. The markings shall be washable, non-toxic, non-radioactive, and if subjected to fire must be self-extinguishing when the flame is removed.
(1) All doors opening to corridors, to an exit, or to an exit passageway, shall be marked with the word “exit”.
(2) Within exit stairs, horizontal extensions in exit stairs, horizontal exits, supplemental vertical exits and exit passageways, except within street level lobbies, there shall be directional markings.
(3) Required markings for exit paths shall comply with the technical standards for installation and placement to be set forth in a reference standard. Such reference standard shall be designated RS 6-1 and shall be adopted on or before January 1, 2006.
Exit signs (BC 27-541)
Signs meeting the requirements of subchapter six of this chapter and subdivision (e) of section 27-534 of this article shall be provided in all assembly spaces to indicate the location of exits and, where necessary, the direction to the exits.
All exit or directional signs shall be placed so that they are clearly visible from all parts of the assembly spaces, and the bottom of all signs shall be at least seven feet above floor level. Signs shall be of the internally lighted type in all assembly spaces where the general illumination is reduced to less than five-foot candles during a performance or during occupancy. Signs shall be lighted at all times during occupancy.