1023.11.2 Enclosure access.
BC § 1023.11.2
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.













