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1007.1.3.1 Three or more exit access stairways or ramps.
Where more than two exit access stairways or ramps provide the required means of egress, not less than two shall be arranged in accordance with Section 1007.1.3.
1008.1 Means of egress illumination.
Illumination shall be provided in the means of egress in accordance with Section 1008.2. Under emergency power, means of egress illumination shall comply with Section 1008.3.
1008.2 Illumination Required.
Exits, exit discharges, and public corridors shall be illuminated at all times by either daylight or electric lighting fixtures. Exit access components shall be illuminated by either daylight or electric lighting fixtures at all times that the space served by the exit access component is occupied.
Exceptions:
1. Occupancies in Group U.
2. Aisle accessways in Group A.
3. Dwelling units and sleeping units in Groups I-1, R-1, R-2 and R-3.
4. Sleeping units of Group I occupancies.
5. Areas beyond safe dispersal area where such areas are provided, and designed in accordance with Section 1028.5, Exceptions 1 through 5.
Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2010/047.
1008.2.1 Illumination level under normal power.
The means of egress illumination level shall be not less than 1 footcandle (11 lux) at the walking surface.
Exceptions:
1. For auditoriums, theaters, concert or opera halls and similar assembly occupancies, the externally illuminated walking surface is permitted to be reduced during performances to not less than 0.5 footcandle (5.38 lux) for aisles and cross aisles, and 0.2 footcandle (2.15 lux) for other portions of the space, provided that the required illumination is automatically restored upon activation of a premise's fire alarm system where such system is provided.
2. Safe areas in assembly occupancies shall be illuminated in accordance with Section 1029.19.3.2.
3. Open exterior spaces used to receive occupants as Class 1 or 2 exits in assembly occupancies shall be illuminated in accordance with Section 1029.19.4.
4. In exits in buildings that contain existing photoluminescent exit path markings tested in laboratory conditions with 2 footcandles (22 lux) of activating illumination, the illumination level shall not be less than 2 footcandles (22 lux).
Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2010/047.
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