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1023.11.2 Enclosure Access

Building Code 2018 of Illinois > 10 Means of Egress > 1023 Interior Exit Stairways and Ramps > 1023.11 Smokeproof Enclosures > 1023.11.2 Enclosure Access

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Access to the stairway or ramp within a smokeproof enclosure shall be by way of a vestibule or an open exterior balcony.

Exception: Access is not required by way of a vestibule or exterior balcony for stairways and ramps using the pressurization alternative complying with Section 909.20.5.

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1023.11.2 Enclosure Access