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Exhibition areas on lower floor levels shall be provided with automatic smoke and heat venting at a rate of two cfm per square foot measured at 70 degrees Fahrenheit. Fans for this purpose are to be wired to an emergency power supply and operated by smoke detectors. All smoke detectors shall be approved by Underwriters Laboratories and the fire commissioner.
(Prior code § 54-9.3; Amend Coun. J. 5-18-16, p. 24131, § 41)