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420.2 Separation Walls
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Walls separating dwelling units in the same building, walls separating sleeping units in the same building and walls separating dwelling or sleeping units from other occupancies contiguous to them in the same building shall be constructed as fire partitions in accordance with Section 708.
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420.2 Special Detailed Requirements Based on Occupancy and Use, Separation Walls
Walls separating dwelling units in the same building, walls separating sleeping units in the same building and walls separating dwelling ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 420 Groups I-1, R-1, R-2, R-3 and R-4 > 420.2 Separation Walls
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Exterior egress balconies shall be separated from the interior of the building by walls and opening protectives as required for corridors ...
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Each tenant space shall be separated from other tenant spaces by a fire partition complying with Section 708. A tenant separation wall ...
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a complete separation. Where a fire wall separates occupancies that are required to be separated by a fire barrier wall, the most restrictive ...
Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 706 Fire Walls > 706.1 General