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What is NYC MC § 704.1.3?

Quick Answer

This section specifies the calculation of the ratio of horizontal openings connected to the outdoors through ducts, requiring the net free areas to be divided by the required areas as determined in accordance with Section 703.1.3. Applies to building owners managing ventilation systems.

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

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704.1.3 Ratio of horizontal openings.

MC § 704.1.3

Where openings connected to the outdoors through horizontal ducts are provided in accordance with Section 703.1, the ratio of horizontal openings shall be the sum of the net free areas of both such openings, divided by the sum of the required areas for both such openings as determined in accordance with Section 703.1.3.

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