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(a) The maximum floor area of buildings shall be governed by the occupancy classification, the number of stories and the type of construction as required in this section.
(b) Nothing in this section shall be interpreted to prevent the application of other area restrictions required by the Chicago Zoning Ordinance.
(c) In the application of area limitations, each part of a building separated from all other parts of the building by fire walls as defined in Section 15-8-020 shall be deemed to be a separate building.
(d) The area of a basement shall not exceed the maximum floor area permitted for the building; provided, however, that every basement exceeding 40,000 square feet in area shall be subdivided by fire walls complying with the requirements of Section 15-8-010 into areas not exceeding 40,000 square feet. The maximum undivided area of a basement may be increased to 80,000 square feet when the building is equipped throughout with an approved automatic sprinkler system in accordance with Chapter 15-16 of the municipal code.
(Prior code § 51-2.4; Amend Coun. J. 2-13-85, p. 13526)