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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.
1008.2.2 Exit discharge.
In Group I-2 occupancies where two or more exits are required, on the exterior landings required by Section 1010.1.6, means of egress illumination levels for the exit discharge shall be provided such that failure of any single lighting unit shall not reduce the illumination level on that landing to less than 1 footcandle (11 lux).
1008.2.3 Sensors and controls.
Automatic, occupant sensor or photosensor lighting controls shall be permitted within means of egress, provided that the illumination level is not reduced to a level below the minimum requirements of Section 1008.2.1, and the switch controllers are equipped for fail-safe operation ensuring that if the sensor or control fails, the lighting levels will be at the levels required by Section 1008.2.1.
Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2010/047.
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