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415.6 Smoke and Heat Venting
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Smoke and heat vents complying with Section 910 shall be installed in the following locations:
- In occupancies classified as Group H-2 or H-3, any of which are over 15,000 square feet (1394 m2) in a single floor area.
Exception: Buildings of noncombustible construction containing only noncombustible materials.
- In areas of buildings in Group H used for storing Class 2, 3 and 4 liquid and solid oxidizers, Class 1 and unclassified detonable organic peroxides, unstable (reactive) materials, or Class 2 or 3 water-reactive materials as required for a high hazard commodity classification as defined in the New York City Fire Code.