// CODE SNIPPET
909.21.4.4 Fan Capacity
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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
909.21.4.4 Fire Protection Systems, Fan Capacity
The supply fan shall either be adjustable with a capacity of at least 1,000 cfm (0.4719 m 3 /s) per door, or that specified by a registered design ...
2014 FBC - Building, 5th edition > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System > 909.21.4.4 Fan Capacity
909.21.4.4 Fire Protection Systems, Fan Capacity
The supply fan shall be either adjustable with a capacity of not less than 1,000 cfm (0.4719 m 3 /s) per door, or that specified by a registered ...
2017 FBC - Building, 6th edition > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System > 909.21.4.4 Fan Capacity
909.21.4.4 Fire Protection Systems, Fan Capacity
The supply fan shall be either adjustable with a capacity of not less than 1,000 cfm (0.4719 m 3 /s) per door, or that specified by a registered ...
2020 FBC - Building, 7th edition > 9 Fire Protection Systems > 909 Smoke Control Systems > 909.21 Elevator Hoistway Pressurization Alternative > 909.21.4 Fan System > 909.21.4.4 Fan Capacity
504.2.6 Chimneys and Vents, Multiple Input Rate Appliances
For appliances with more than one input rate, the minimum vent capacity (FAN Min) determined from the tables shall be less than the lowest appliance ...
2014 FBC - Fuel Gas, 5th edition > 5 Chimneys and Vents > 504 (IFGS) Sizing of Category I Appliance Venting Systems > 504.2 Application of Single-Appliance Vent Tables 504.2(1) Through 504.2(6) > 504.2.6 Multiple Input Rate Appliances
504.2.6 Chimneys and Vents, Multiple Input Rate Appliances
For appliances with more than one input rate, the minimum vent capacity (FAN Min) determined from the tables shall be less than the lowest appliance ...
2017 FBC - Fuel Gas, 6th edition > 5 Chimneys and Vents > 504 (IFGS) Sizing of Category I Appliance Venting Systems > 504.2 Application of Single-Appliance Vent Tables 504.2(1) Through 504.2(6) > 504.2.6 Multiple Input Rate Appliances