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NYC Building Code

§ 1203.5.1.1.4 — § 1203.5.1.1.4

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What is NYC BC § 1203.5.1.1.4?

Quick Answer

This section addresses the calculation of ventilation requirements for rooms or spaces that include an interior balcony or mezzanine. The area of the mezzanine must be added to the area of the room or space it opens into. Applies to building owners managing interior spaces with mezzanines.

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

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1203.5.1.1.4 Mezzanines.

BC § 1203.5.1.1.4

Where an interior balcony or mezzanine opens to form part of another room or space, its area shall be added to the area of the room or space in which it is located to compute the ventilation required for both spaces.

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