AC77 Smoke-Containment Systems Used with Fire-resistance-rated Elevator Hoistway Doors and Frames and at the Intersection of Elevator Lobby and Corridor, Approved April 2023 (PDF Download)

Item #: AC477 04-2023
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 AC77 establishes guidelines for evaluation of smoke-containment systems as tight-fitting, smoke and draft control assemblies. The systems are used with fire-resistance-rated elevator hoistway doors and frames or as smoke curtain systems installed remotely from the hoistway door at the intersection of the elevator lobby and corridor.
More Information
Pages 10
Publisher ICC-ES
Language English
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