Page 247 - 2018_IFC

CONSTRUCTION REQUIREMENTS FOR EXISTING BUILDINGS

1105.6.2 Group I-2 occupancies. In Group I-2, where a Areas of spaces permitted to be included in the cal-
door serves as an opening protective in a fire barrier, culation of the refuge area are corridors, sleeping areas,
smoke barrier or fire wall and where the door is equipped treatment rooms, lounge or dining areas and other low-
with a hold-open device, such door shall automatically hazard areas.
close upon any of the following conditions: 1105.7.2 Smoke barriers. Smoke barriers shall be con-
1. Actuation of smoke detectors initiating the hold- structed in accordance with Section 709 of the Interna-
open device. tional Building Code.
2. Activation of the fire alarm system within the zone. Exceptions:
3. Activation of an automatic sprinkler system within 1. Existing smoke barriers are permitted to remain
the zone. where the existing smoke barrier has a minimum
1
fire-resistance rating of / hour.
1105.6.3 Ramps. In areas where ramps are used for move- 2
ment of patients in beds, the clear width of the ramp shall 2. Smoke barriers shall be permitted to terminate at
be not less than 48 inches (1219 mm). an atrium enclosure in accordance with Section
404.6 of the International Building Code.
1105.6.4 Corridor width. In areas where corridors are
used for movement of patients in beds, the clear width of 1105.7.3 Opening protectives. Openings in smoke barri-
the corridor shall be not less than 48 inches (1219 mm). ers shall be protected in accordance with Section 716 of
the International Building Code. Opening protectives shall
1105.6.5 Dead-end corridors. In smoke compartments have a minimum fire protection rating of / hour.
1
containing patient sleeping rooms and treatment rooms, 3
dead-end corridors shall not exceed 30 feet (9144 mm) Exceptions:
unless approved by the fire code official. 1. Existing wired glass vision panels in doors shall
be permitted to remain.
1105.6.6 Separation of exit access doors. Patient sleep-
ing rooms, or any suite that includes patient sleeping 2. Existing nonlabeled protection plates shall be
2
rooms, of more than 1,000 square feet (92.9 m ) shall have permitted to remain.
not less than two exit access doors placed a distance apart 1105.7.4 Penetrations. Penetrations of smoke barriers
equal to not less than one-third of the length of the maxi- shall comply with the International Building Code.
mum overall diagonal dimension of the patient sleeping
room or suite to be served, measured in a straight line Exception: Approved existing materials and methods
between exit access doors. of construction.
1105.7.5 Joints. Joints made in or between smoke barriers
1105.6.7 Aisles. In areas where aisles are used for move-
ment of patients in beds, the clear width of the aisle shall shall comply with the International Building Code.
be not less than 48 inches (1219 mm). Exception: Approved existing materials and methods
of construction.
1105.7 Smoke compartments. Smoke compartments shall
be provided in existing Group I-2, Condition 2, in accordance 1105.7.6 Duct and air transfer openings. Penetrations in
with Sections 1105.7.1 through 1105.7.6. a smoke barrier by duct and air transfer openings shall
comply with Section 717 of the International Building
1105.7.1 Design. Smoke barriers shall be provided to sub-
divide each story used for patients sleeping with an occu- Code.
pant load of more than 30 patients into not fewer than two Exception: Where existing duct and air transfer open-
smoke compartments. ings in smoke barriers exist without smoke dampers,
they shall be permitted to remain. Any changes to exist-
1105.7.1.1 Refuge areas. Refuge areas shall be pro-
vided within each smoke compartment. The size of the ing smoke dampers shall be submitted for review and
refuge area shall accommodate the occupants and care approved in accordance with Section 717 of the Inter-
recipients from the adjoining smoke compartment. national Building Code.
Where a smoke compartment is adjoined by two or 1105.8 Group I-2 care suites. Care suites in existing Group
more smoke compartments, the minimum area of the I-2, Condition 2 occupancies shall comply with Sections
refuge area shall accommodate the largest occupant 407.4.4 through 407.4.4.6.2 of the International Building
load of the adjoining compartments. Code.
The size of the refuge area shall provide the follow- 1105.9 Group I-2 automatic sprinkler system. An auto-
ing: matic sprinkler system installed in accordance with Section
903.3.1.1 shall be provided throughout the floor containing
2
1. Not less than 30 net square feet (2.8 m ) for each the Group I-2 fire area. The sprinkler system shall be pro-
care recipient confined to a bed or stretcher.
vided throughout the floor where the Group I-2 occupancy is
2
2. Not less than 15 square feet (1.4 m ) for each res- located, on all floors between the Group I-2 occupancy fire
ident in a Group I-2 using mobility assistance area and the level of exit discharge, the level of exit dis-
devices. charge, and all floors below the level of exit discharge.
2
3. Not less than 6 square feet (0.56 m ) for each Exception: Floors classified as an open parking garage are
occupant not addressed in Items 1 and 2. not required to be sprinklered.
214 2018 INTERNATIONAL FIRE CODE ®
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