1010.1.9.11 Stairway doors.
BC § 1010.1.9.11
Interior stairway means of egress doors shall be openable from both sides without the use of a key or special knowledge or effort. Exceptions: 1. Stairway discharge doors shall be openable from the egress side and shall only be locked from the opposite side.
2.This section shall not apply to doors arranged in accordance with Section 403.5.3.
3.In stairways serving not more than four stories, doors are permitted to be locked from the side opposite the egress side, provided they are openable from the egress side and capable of being unlocked simultaneously without unlatching upon a signal from the fire command center, if present, or a signal by emergency personnel from a single location inside the main entrance to the building.
4.This section shall not apply to buildings permitted to be served by one exit in accordance with Item 5 or 6 of Section 1006.3.2.
5.In schools classified as Group E occupancies that require lockdown drills as per New York State Education Law 807, stairway egress doors from occupied spaces are permitted to be locked from the side opposite the egress side for the duration of the lockdown drill, provided that they are openable from the occupied side for egress and are unlocked upon directions from the school administrative personnel following the completion of the lockdown drill.
