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NYC Building Code

§ 909.21.4.4 — § 909.21.4.4

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What is NYC BC § 909.21.4.4?

Quick Answer

This section specifies that the supply fan capacity must be determined by a registered design professional to fulfill the requirements of a designed pressurization system, following the rational analysis outlined in Section 909.21.2. Applies to building owners involved in the design of pressurization systems.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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909.21.4.4 Fan capacity.

BC § 909.21.4.4

The supply fan capacity shall be specified by a registered design professional to meet the requirements of a designed pressurization system in accordance with the rational analysis required by Section 909.21.2.

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