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BUILDING § 5-85 "COOL ROOF. A cool roof is a roofing system that can deliver high solar reflectance, and high thermal emittance as specified in table C402.3." "HABITABLE SPACE. A space in a building for living, sleeping, eating or cooking. Bathrooms, toilet rooms, closets, halls, storage or utility spaces and similar areas are not considered habitable spaces." "OCCUPIABLE SPACE. A room or enclosed space designed for human occupancy in which individuals congregate for amusement, educational or similar purposes or in which occupants are engaged at labor, and which is equipped with means of egress and light and ventilation facilities meeting the requirements of this code." "UNCONDITIONED FLOOR AREA. The horizontal projection of the floors associated with the unconditioned space." "UNCONDITIONED SPACE. An area, room or space that is enclosed within the building thermal envelope and is not directly nor indirectly heated or cooled." Subsection C401.2 of the International Energy Conservation Code is amended to read as follows: "C401.2 Application. Commercial buildings shall comply with one of the following: 1. The requirements of ANSI/ASHRAE/IESNA 90.1. 2. The requirements of Sections C402 through C405. In addition, commercial buildings shall comply with Section C406 and tenant spaces shall comply with Section C406.1.1. 3. The requirements of Sections C402.5, C403.2, C404, C405.2, C405.3, C405.5, C405.6 and C407. The building energy cost shall be equal to or less than 85 percent of the standard reference design building. Exception: For buildings 2,500 square feet or less with 4 tons of cooling or less where it is determined by the code official that the building configuration is similar to that of a residential building, the requirements in Sections R401.2.1 Tropical Zone shall be permitted to be used." 5-111 SUPP. 8 (7-2020)