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Except aerial supports, not exceeding 12 feet in height, all roof structures hereafter placed above the roof of any building within the fire limits, or above the roof of any building exceeding 55 feet in height, shall be constructed of noncombustible materials and shall be supported by construction of noncombustible materials, except the walking surface of a rooftop deck may be of combustible materials meeting the requirements for Class A roof coverings if constructed above a roof of noncombustible material and supported by construction of noncombustible material. Such structures shall also comply with the special requirements of Sections 15-8-520 to 15-8-560, inclusive.
(Prior code § 62-11; Amend Coun. J. 3-29-17, p. 45477, § 5)