There is a newer version of the New York Consolidated Laws
2006 New York Code - Corridors.
§ 27-761 Corridors. Unless natural sources complying with section 27-749 of article six of this subchapter provides ventilating openings equivalent to at least two and one-half percent of the floor area, corridors in buildings of occupancy groups H-1, J-1 and J-2 more than three stories in height, shall be mechanically ventilated by a system supplying at least one-half cubic foot of outdoor air per minute per square foot of floor area. When air conditioned, a part of the required supply may be recirculated as equivalent outdoor air, but at least thirty-three and one-third percent of the required air supply shall be actual outdoor air.
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