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803.2.2 Groups A, B, E, F-1, H, I, M, R-1, R-2, R-4, S-1 and S-2

Existing Building Code 2018 of Illinois > 8 Alterations—Level 2 > 803 Fire Protection > 803.2 Automatic Sprinkler Systems > 803.2.2 Groups A, B, E, F-1, H, I, M, R-1, R-2, R-4, S-1 and S-2

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In buildings with occupancies in Groups A, B, E, F-1, H, I, M, R-1, R-2, R-4, S-1 and S-2, work areas that have exits or corridors shared by more than one tenant or that have exits or corridors serving an occupant load greater than 30 shall be provided with automatic sprinkler protection where both of the following conditions occur:

The work area is required to be provided with automatic sprinkler protection in accordance with the International Building Code as applicable to new construction.
The work area exceeds 50 percent of the floor area.

Exception: If the building does not have sufficient municipal water supply for design of a fire sprinkler system available to the floor without installation of a new fire pump, work areas shall be protected by an automatic smoke detection system throughout all occupiable spaces other than sleeping units or individual dwelling units that activates the occupant notification system in accordance with Sections 907.4, 907.5 and 907.6 of the International Building Code.

803.2.2.1 Mixed Uses

In work areas containing mixed uses, one or more of which requires automatic sprinkler protection in accordance with Section 803.2.2, such protection shall not be required throughout the work area provided that the uses requiring such protection are separated from those not requiring protection by fire-resistance-rated construction having a minimum 2-hour rating for Group H and a minimum 1-hour rating for all other occupancy groups.

Related Code Sections

803.2.2.1 Alterations—Level 2, Mixed Uses

by fire-resistance-rated construction having a minimum 2-hour rating for Group H and a minimum 1-hour rating for all other occupancy groups ...

Existing Building Code 2018 of Illinois > 8 Alterations—Level 2 > 803 Fire Protection > 803.2 Automatic Sprinkler Systems > 803.2.2 Groups A, B, E, F-1, H, I, M, R-1, R-2, R-4, S-1 and S-2 > 803.2.2.1 Mixed Uses

706.4 Fire and Smoke Protection Features, Fire-Resistance Rating

RATINGS GROUP FIRE-RESISTANCE RATING (hours) A, B, E, H-4, I, R-1, R-2, U 3 a F-1, H-3 b , H-5, M, S-1 3 H-1, H-2 4 ...

Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 706 Fire Walls > 706.4 Fire-Resistance Rating

302.1 Occupancy Classification and Use, Occupancy Classification

-3 and I-4. Mercantile (see Section 309): Group M. Residential (see Section 310): Groups R-1, R-2, R-3 and R-4. Storage (see Section 311): Groups S ...

Building Code 2018 of Illinois > 3 Occupancy Classification and Use > 302 Occupancy Classification and Use Designation > 302.1 Occupancy Classification

1006.3.3 Means of Egress, Single Exits