Page 151 - 2018_IFC

FIRE PROTECTION AND LIFE SAFETY SYSTEMS

905.4 Location of Class I standpipe hose connections. not located within an interior exit stairway are not
Class I standpipe hose connections shall be provided in all of required to be enclosed within fire-resistance-rated
the following locations: construction.
1. In every required interior exit stairway, a hose connec- 905.4.2 Interconnection. In buildings where more than
tion shall be provided for each story above and below one standpipe is provided, the standpipes shall be inter-
grade plane. Hose connections shall be located at the connected in accordance with NFPA 14.
main floor landing unless otherwise approved by the 905.5 Location of Class II standpipe hose connections.
fire code official. Class II standpipe hose connections shall be located so that
Exception: A single hose connection shall be per- all portions of the building are within 30 feet (9144 mm) of a
mitted to be installed in the open corridor or open nozzle attached to 100 feet (30 480 mm) of hose. Class II
breezeway between open stairs that are not greater standpipe hose connections shall be located where they will
than 75 feet (22 860 mm) apart. have ready access.
2. On each side of the wall adjacent to the exit opening of 905.5.1 Groups A-1 and A-2. In Group A-1 and A-2
a horizontal exit. occupancies with occupant loads of more than 1,000, hose
Exception: Where floor areas adjacent to a horizon- connections shall be located on each side of any stage, on
tal exit are reachable from an interior exit stairway each side of the rear of the auditorium, on each side of the
hose connection by a 30-foot (9144 mm) hose balcony and on each tier of dressing rooms.
stream from a nozzle attached to 100 feet (30 480 905.5.2 Protection. Fire-resistance-rated protection of ris-
mm) of hose, a hose connection shall not be required ers and laterals of Class II standpipe systems is not
at the horizontal exit. required.
3. In every exit passageway, at the entrance from the exit 905.5.3 Class II system 1-inch hose. A minimum 1-inch
passageway to other areas of a building. (25 mm) hose shall be allowed to be used for hose stations
Exception: Where floor areas adjacent to an exit in light-hazard occupancies where investigated and listed
passageway are reachable from an interior exit stair- for this service and where approved by the fire code offi-
way hose connection by a 30-foot (9144 mm) hose cial.
stream from a nozzle attached to 100 feet (30 480 905.6 Location of Class III standpipe hose connections.
mm) of hose, a hose connection shall not be required Class III standpipe systems shall have hose connections
at the entrance from the exit passageway to other located as required for Class I standpipes in Section 905.4
areas of the building. and shall have Class II hose connections as required in Sec-
4. In covered mall buildings, adjacent to each exterior tion 905.5.
public entrance to the mall and adjacent to each 905.6.1 Protection. Risers and laterals of Class III stand-
entrance from an exit passageway or exit corridor to the pipe systems shall be protected as required for Class I sys-
mall. In open mall buildings, adjacent to each public tems in accordance with Section 905.4.1.
entrance to the mall at the perimeter line and adjacent 905.6.2 Interconnection. In buildings where more than
to each entrance from an exit passageway or exit corri- one Class III standpipe is provided, the standpipes shall be
dor to the mall. interconnected in accordance with NFPA 14.
5. Where the roof has a slope less than four units vertical 905.7 Cabinets. Cabinets containing fire-fighting equipment,
in 12 units horizontal (33.3-percent slope), a hose con- such as standpipes, fire hose, fire extinguishers or fire depart-
nection shall be located to serve the roof or at the high- ment valves, shall not be blocked from use or obscured from
est landing of an interior exit stairway with access to view.
the roof provided in accordance with Section 1011.12.
905.7.1 Cabinet equipment identification. Cabinets shall
6. Where the most remote portion of a nonsprinklered be identified in an approved manner by a permanently
floor or story is more than 150 feet (45 720 mm) from a
attached sign with letters not less than 2 inches (51 mm)
hose connection or the most remote portion of a sprin- high in a color that contrasts with the background color,
klered floor or story is more than 200 feet (60 960 mm) indicating the equipment contained therein.
from a hose connection, the fire code official is autho-
Exceptions:
rized to require that additional hose connections be pro-
vided in approved locations. 1. Doors not large enough to accommodate a writ-
ten sign shall be marked with a permanently
905.4.1 Protection. Risers and laterals of Class I stand-
attached pictogram of the equipment contained
pipe systems not located within an interior exit stairway
shall be protected by a degree of fire resistance equal to therein.
that required for vertical enclosures in the building in 2. Doors that have either an approved visual identi-
which they are located. fication clear glass panel or a complete glass door
panel are not required to be marked.
Exception: In buildings equipped throughout with an
approved automatic sprinkler system, laterals that are

118 2018 INTERNATIONAL FIRE CODE ®
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