503.5 Fan location.
MC § 503.5
Fans exhausting noxious, toxic, hot vapor or grease laden air shall be located as close to the terminus as practicable, at the roof or within a mechanical equipment room, immediately below the roof.
Brooklyn since 2014All five boroughsSame-day response during business hours
What is NYC MC § 503.5?
Quick Answer
This section mandates the placement of fans that exhaust noxious, toxic, hot vapor, or grease-laden air. Fans must be located as close to the terminus as practicable, either at the roof or within a mechanical equipment room directly below the roof. 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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