{"data":{"id":"us-nyc/n.y.c.-admin.-code-27-761","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § 27-761","heading":"§ 27-761 Corridors.","body":"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.","path":["New York City Administrative Code","Title 27","Chapter 1: Building Code"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"3cf730b9a79bc089845256ca6052a1042a695f57000811fe223808f98f74a034","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-27-760","next":"us-nyc/n.y.c.-admin.-code-27-762"},"notice":"GroundRules: Original legal text. Not legal advice."}