14X-5-505.6 Means of egress illumination.

The means of egress must be provided with illumination in accordance with this section.

14X-5-505.6.1 Normal illumination.

The means of egress must be illuminated at all times so that there is not less than 1 footcandle (11 lux) of illumination at the walking surface.

Exception: Where a lower level of illumination is approved by the building official or allowed by the Chicago Building Code.

14X-5-505.6.2 Emergency illumination.

Emergency illumination must be provided in accordance with Article 700 of the Chicago Electrical Code.

14X-5-505.7 Accessibility.

A facility that is constructed or altered to be accessible must be maintained accessible during occupancy.

14X-5-505.8 Doors.

Doors which are part of the means of egress must comply with this section.

14X-5-505.8.1 Minimum dimensions.

The width of each door opening must be sufficient for the occupant load served by the opening and not less than 28 inches (711 mm) in clear width. Where this section requires a minimum clear opening width of 28 inches (711 mm) and a door opening includes two door leaves without a mullion, one leaf must provide a clear opening width of 28 inches (711 mm). The clear opening height of doorways must be at least 80 inches (2032 mm).

Exceptions:

1.   A minimum clear opening width of 26 inches (660 mm) is allowed for door openings serving an occupant load of 20 persons or fewer.

2.   The minimum width does not apply to door openings within dwelling units.

3.   Door openings within a dwelling unit may have a minimum clear opening height of 78 inches (1981 mm).

4.   In dwelling units and sleeping units, exterior door openings, other than the required exit door, may have a minimum clear opening height of 76 inches (1930 mm).

5.   Minimum dimensions do not apply to door openings to storage closets less than 25 square feet (2.32 m2) in area.

6.   Exit access doors serving a room not larger than 70 square feet (6.5 m2) may have a minimum door leaf width of 24 inches (610 mm).

7.   The width of door leaves in revolving doors that comply with the Chicago Building Code is not limited.

8.   The minimum clear opening width does not apply to doors for showers or sauna compartments.

9.   The minimum clear opening width does not apply to the doors for toilet stalls.

10.   Door closers and door stops are allowed to be 78 inches (1980 mm) minimum above the floor.

14X-5-505.8.1.1 Group I-2.

In Group I-2 occupancies, doors used for the movement of beds must provide a minimum clear opening width of 41-1/2 inches (1054 mm). Doors serving as means of egress doors and not used for movement of beds must provide a minimum clear opening width of 32 inches (813 mm).