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Image 75 of The Kentucky building code / Judith G. Walden, editor

USE GROUP CLASSIFICATION · SECTION 3I2.0 OOUBTFUL USE CLASSIFICATION 312.1 General: When a building or structure is proposed for a use not specifically provided for in this code or the classification ofwhich is doubtful, such building or structure shall be included in the use group which it most nearly resembles in respect to the existing or proposed life and fire hazard, · and it shall be so classified by the building official. SECTION 3I3.0 MIXEO USE AND OCCUPANCY 313.1 Two or more uses: When a building is occupied for two or more uses, not included in the same use group, one of the following shall apply: l. The provisions ofthe code applying to each use shall apply to such parts · of the building as come within that use group; and if there are conflicting provisions, the requirements securing the greater public safety shall apply to the entire building. 2. The mixed uses shall be completely separated, both horizontally and vertically, by fire separation walls and floor/ ceiling assemblies having a fireresistance rating corresponding to the highest fire grading pre- scribed in Table l402 for the separate uses. Each part of the building shall be separately classified to use. The most restrictive height and area limitations in this code for the mixed uses shall apply to the entire building, or except as otherwise provided for in this code. · 3. The mixed uses shall be completely separated by fire walls having a fireresistance rating corresponding to the highest fire grading pre- scribed in Table l402 for the separate uses. Each use group shall then comply with the provisions of this code applicable to that group. 313.1.1 High hazard uses: A place of public assembly or education shall not be permitted in a building classified in Use Group H. 313.2 Incidental uses: Where the use is supplemental to the main use of the building and the area devoted to such use does not occupy more than I0 percent of the area of any floor nor more than the basic area permitted by · Table 501, the building shall be classified according to the main use. Where the incidental use is a higher hazard than the main use, it shall be constructed and segregated by fireresistance rated construction as required in Section 3l3. I. 55

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