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// CODE SNIPPET

510.5 Group R-1 and R-2 Buildings of Type IIIA Construction

Building Code 2018 of Illinois > 5 General Building Heights and Areas > 510 Special Provisions > 510.5 Group R-1 and R-2 Buildings of Type IIIA Construction

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ILLUSTRATION

The height limitation for buildings of Type IIIA construction in Groups R-1 and R-2 shall be increased to six stories and 75 feet (22 860 mm) where the first floor assembly above the basement has a fire-resistance rating of not less than 3 hours and the floor area is subdivided by 2-hour fire-resistance-rated fire walls into areas of not more than 3,000 square feet (279 m²).

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