Page 141 - 2018_IFC

FIRE PROTECTION AND LIFE SAFETY SYSTEMS

TABLE 903.2.5.2 903.2.8.1 Group R-3. An automatic sprinkler system
GROUP H-5 SPRINKLER DESIGN CRITERIA
installed in accordance with Section 903.3.1.3 shall be
OCCUPANCY HAZARD
LOCATION permitted in Group R-3 occupancies.
CLASSIFICATION
903.2.8.2 Group R-4, Condition 1. An automatic
Fabrication areas Ordinary Hazard Group 2
sprinkler system installed in accordance with Section
Service corridors Ordinary Hazard Group 2
903.3.1.3 shall be permitted in Group R-4, Condition 1
Storage rooms without dispensing Ordinary Hazard Group 2 occupancies.
Storage rooms with dispensing Extra Hazard Group 2 903.2.8.3 Group R-4, Condition 2. An automatic
Corridors Ordinary Hazard Group 2 sprinkler system installed in accordance with Section
903.3.1.2 shall be permitted in Group R-4, Condition 2
903.2.5.3 Pyroxylin plastics. An automatic sprinkler occupancies.
system shall be provided in buildings, or portions
thereof, where cellulose nitrate film or pyroxylin plas- 903.2.8.4 Care facilities. An automatic sprinkler sys-
tics are manufactured, stored or handled in quantities tem installed in accordance with Section 903.3.1.3 shall
exceeding 100 pounds (45 kg). be permitted in care facilities with five or fewer indi-
viduals in a single-family dwelling.
903.2.6 Group I. An automatic sprinkler system shall be 903.2.9 Group S-1. An automatic sprinkler system shall
provided throughout buildings with a Group I fire area.
be provided throughout all buildings containing a Group
Exceptions: S-1 occupancy where one of the following conditions
1. An automatic sprinkler system installed in accor- exists:
dance with Section 903.3.1.2 shall be permitted 1. A Group S-1 fire area exceeds 12,000 square feet
2
in Group I-1, Condition 1 facilities. (1115 m ).
2. An automatic sprinkler system is not required 2. A Group S-1 fire area is located more than three sto-
where Group I-4 day care facilities are at the level ries above grade plane.
of exit discharge and where every room where 3. The combined area of all Group S-1 fire areas on all
care is provided has not fewer than one exterior floors, including any mezzanines, exceeds 24,000
exit door. 2
square feet (2230 m ).
3. In buildings where Group I-4 day care is pro- 4. A Group S-1 fire area used for the storage of com-
vided on levels other than the level of exit dis- mercial motor vehicles where the fire area exceeds
charge, an automatic sprinkler system in 5,000 square feet (464 m ).
2
accordance with Section 903.3.1.1 shall be
installed on the entire floor where care is pro- 5. A Group S-1 occupancy used for the storage of
vided, all floors between the level of care and the upholstered furniture or mattresses exceeds 2,500
2
level of exit discharge and all floors below the square feet (232 m ).
level of exit discharge other than areas classified 903.2.9.1 Repair garages. An automatic sprinkler sys-
as an open parking garage. tem shall be provided throughout all buildings used as
repair garages in accordance with Section 406.8 of the
903.2.7 Group M. An automatic sprinkler system shall be International Building Code, as shown:
provided throughout buildings containing a Group M
occupancy where one of the following conditions exists: 1. Buildings having two or more stories above grade
plane, including basements, with a fire area con-
1. A Group M fire area exceeds 12,000 square feet taining a repair garage exceeding 10,000 square
2
(1115 m ). 2
feet (929 m ).
2. A Group M fire area is located more than three sto- 2. Buildings not more than one story above grade
ries above grade plane. plane, with a fire area containing a repair garage
2
3. The combined area of all Group M fire areas on all exceeding 12,000 square feet (1115 m ).
floors, including any mezzanines, exceeds 24,000 3. Buildings with repair garages servicing vehicles
2
square feet (2230 m ). parked in basements.
4. A Group M occupancy used for the display and sale 4. A Group S-1 fire area used for the repair of com-
of upholstered furniture or mattresses exceeds 5,000 mercial motor vehicles where the fire area
2
square feet (464 m ). exceeds 5,000 square feet (464 m ).
2
903.2.7.1 High-piled storage. An automatic sprinkler 903.2.9.2 Bulk storage of tires. Buildings and struc-
system shall be provided as required in Chapter 32 in all tures where the area for the storage of tires exceeds
3
buildings of Group M where storage of merchandise is 20,000 cubic feet (566 m ) shall be equipped through-
in high-piled or rack storage arrays. out with an automatic sprinkler system in accordance
903.2.8 Group R. An automatic sprinkler system installed with Section 903.3.1.1.
in accordance with Section 903.3 shall be provided 903.2.10 Group S-2 enclosed parking garages. An auto-
throughout all buildings with a Group R fire area. matic sprinkler system shall be provided throughout build-

108 2018 INTERNATIONAL FIRE CODE ®
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