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903.1 Existing Shafts and Vertical Openings
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Existing stairways that are part of the means of egress shall be enclosed in accordance with Section 802.2.1 from the highest work area floor to, and including, the level of exit discharge and all floors below.
Related Code Sections
903.1 Alterations—Level 3, Existing Shafts and Vertical Openings
Existing stairways that are part of the means of egress shall be enclosed in accordance with Section 802.2.1 from the highest work area floor ...
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Openings into existing vertical shaft enclosures shall be protected by fire assemblies having a fire ...
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Vertical openings contained entirely within a shaft enclosure complying with Section 713 shall be permitted ...
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Any vertical opening shall be protected by a shaft enclosure in accordance with Section 713, or shall be in accordance with Section 408.5.1 ...
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Shaft enclosures that are permitted to be penetrated by ducts and air transfer openings shall be protected with listed fire and smoke dampers ...
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