Current through Register Vol. 56, No. 18, September 16, 2024
(a)
Automatic Sprinkler System: When the work area is 50 percent or more of the
occupied floor area of the building, an automatic sprinkler system shall be
required throughout the floor. The sprinkler riser shall be sized to serve the
entire building, even if the system currently being installed serves only a
portion of the building.
1. Exception: For
other than buildings of construction Type IIIB or VB, an automatic sprinkler
system shall not be required for day care centers with an occupant load of 100
or less where all children below 2 1/2 years of age are cared for on the first
floor and in which each child care room has an exit door directly to the
exterior. (Fire)
(b)
Automatic Alarm Systems: When the work area exceeds 50 percent of the gross
enclosed floor area of the building, a supervised automatic fire alarm system
shall be required throughout the building.
1.
Exception: Automatic alarm systems shall not be required for buildings with an
automatic sprinkler system and a manual fire alarm system with single station
smoke alarms in the vicinity of sleeping areas in accordance with NFPA 72.
(Fire)
(c) Manual Alarm
Systems: When the work area exceeds 50 percent of the gross enclosed floor area
of the building, manual fire alarms shall be required throughout the building.
(Fire)
(d) Vertical Opening
Protection: When the work area exceeds 50 percent of the gross enclosed floor
area of the building, vertical opening protection shall be provided throughout
the building as follows:
1. A minimum two
hour fire rated assembly with approved opening protectives shall be required
for interior stairways and other vertical openings connecting more than six
floor levels.
2. A minimum one hour
fire rated assembly with approved opening protectives shall be required for
interior stairways and other vertical openings connecting four to six floor
levels.
3. A minimum one-hour UFC
fire barrier shall be required for interior stairways and other vertical
openings not exceeding three stories.
i.
Exception: No vertical opening protection shall be required for vertical
openings connecting not more than two floor levels which are separated by a
one-hour UFC fire barrier equipped with a self-closing or automatically closing
20-minute door at the top or bottom of the stairway when such stairway does not
serve as a required means of egress. (Plan review--Building, Fire.
Inspection--Building)
(e) Requirements for high-rise buildings: Any
building or structure having one or more floors used for human occupancy
located either more than six stories or more than 75 feet above the lowest
level accessible to a fire department vehicle shall comply with the following:
1. When the work area is one entire floor or
more or when the work area is 20 percent or more of the occupied floor area
served by a recirculating air system, the recirculating air system which serves
the work area shall be equipped with approved smoke and heat detection devices
installed in accordance with the UCC. The devices shall stop the fan(s)
automatically and shall be of the manual reset type. Automatic fan shutdown is
not required when the system is part of an approved smoke removal or smoke
control system. (Building)
2. When
the work area is one entire floor or more or when the work area is 20 percent
or more of the occupied floor area of the building, all elevators in the
building shall be equipped with the following emergency control devices:
i. All automatic (nondesignated attendant)
elevators having a travel distance of 25 feet or more above or below the
designated level shall be equipped with Phase 1 Emergency Recall Operation as
required by ASME A17.1-1987, Rules 211.3a and 211.3b listed in N.J.A.C.
5:70-3;
ii. At least one elevator
shall be equipped with Phase II Emergency In-Car Operation, as required by ASME
A17.1-1987, Rule 211.3c;
(1) In buildings
with multiple elevators, at least one elevator to each floor served by an
elevator shall be equipped with Phase II Emergency In-Car Operation;
and
iii. All designated
attendant elevators having a travel distance of 25 feet or more above or below
the designated level shall be equipped with emergency controls, as required by
ASME A17.1-1987, Rule 211.4. (Elevator)
3. When the work area is one entire floor or
more or when the work area is 20 percent or more of the occupied floor area of
the building, standpipes shall be provided up to and including the highest
floor that is part of the work area. The standpipes shall be located and
installed in accordance with the building subcode, except as follows:
i. No pump shall be required provided that
the standpipes are capable of accepting delivery by fire department apparatus
of a minimum of 250 gpm at 65 psi to the topmost floor in buildings equipped
throughout with an automatic sprinkler system or a minimum of 500 gpm at 65 psi
to the topmost floor in all other buildings. (Where the standpipe terminates
below the topmost floor, the standpipe shall be designed to meet these
requirements (gpm/psi) for possible future extension of the
standpipe.)
ii. Hose and hose
cabinets shall not be required. (Fire)
(f) Smoke Barriers: When the work area
exceeds 50 percent of the occupied enclosed floor area of a story used for
sleeping purposes for more than 30 occupants or of a story which is usable, but
unoccupied, the story shall be divided into two or more compartments by smoke
barrier walls complying with the technical requirements of
5:23-6.30(e) such
that each compartment does not exceed 22,500 square feet and is no more than
150 feet in length and width. (Plan review--Building, Fire.
Inspection--Building)
(g) Elevator
Devices: When the work area exceeds 50 percent of the gross enclosed floor area
of the building, all elevator devices serving any part of the work area shall
comply with the requirements of
5:23-6.30(g).
(Elevator)
