14X-5-505.2.2 Width.

The required width or capacity of the means of egress may not be reduced along the path of egress travel until arrival at the public way.

14X-5-505.2.3 Elevators, escalators and moving walks.

Elevators, escalators, and moving walks may not be used as a component of a required means of egress.

Exception: Existing escalators and moving walks in existing buildings.

14X-5-505.3 Occupant load.

Occupant load in existing buildings must be determined in accordance with Section 1004 of the Chicago Building Code.

14X-5-505.4 Means of egress capacity.

The capacity of the means of egress and means of egress components must be determined in accordance with Section 1005 of the Chicago Building Code. A building may not be occupied in a manner that will exceed its calculated egress capacity.

14X-5-505.4.1 Posted occupant capacity.

Where the occupant capacity of a building is posted or required to be posted, it is unlawful to cause or allow the building to be occupied in a manner that will exceed the posted occupant capacity.

14X-5-505.5 Number of exits and exit access doorways.

Every occupiable space within an existing building must be provided with not less than the minimum number of exits or exit access doorways required by Section 1006 of the Chicago Building Code. For purposes of this requirement, permitted fire escapes complying with Section 14X-5-505.12 are recognized as exits.

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.