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// CODE SNIPPET

909.21.4 Fan System

Building Code 2015 of New York State > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System
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The fan system provided for the pressurization system shall be as required by Sections 909.21.4.1 through 909.21.4.4.

909.21.4.1 Fire-Resistance

Where located within the building, the fan system that provides the pressurization shall be protected with the same fire-resistance rating required for the elevator shaft enclosure.

909.21.4.2 Smoke Detection

The fan system shall be equipped with a smoke detector that will automatically shut down the fan system when smoke is detected within the system.

909.21.4.3 Separate Systems

A separate fan system shall be used for each elevator hoistway.

909.21.4.4 Fan Capacity

The supply fan shall be either adjustable with a capacity of not less than 1,000 cfm (0.4719 m3/s) per door, or that specified by a registered design professional to meet the requirements of a designed pressurization system.

Related Code Sections


707.14.2.3 Fire-Resistance-Rated Construction, Fan System
The fan system provided for the pressurization system shall be as required by this section ...
2010 Building Code of NY > 7 Fire-Resistance-Rated Construction > 707 Shaft Enclosures > 707.14 Elevator, Dumbwaiter and Other Hoistways > 707.14.2 Enclosed Elevator Lobby Pressurization Alternative > 707.14.2.3 Fan System
909.21.4 Fire Protection and Life Safety Systems, Fan System
The fan system provided for the pressurization system shall be as required by Sections 909.21.4.1 through 909.21.4.4 ...
2020 Building Code of New York State > 9 Fire Protection and Life Safety Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System
909.21.4 Fire Protection Systems, Fan System
The fan system provided for the pressurization system shall be as required by Sections 909.21.4.1 through 909.21.4.4 ...
Fire Code 2015 of New York State > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System
909.21.4 Fire Protection Systems, Fan System
The fan system provided for the pressurization system shall be as required by Sections 909.21.4.1 through 909.21.4.4 ...
Building Code 2015 of New York State > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System
909.21.4 Fire Protection and Life Safety Systems, Fan System
The fan system provided for the pressurization system shall be as required by Sections 909.21.4.1 through 909.21.4.4 ...
2020 Fire Code of NYS > 9 Fire Protection and Life Safety Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System
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