Current through Register Vol. 56, No. 18, September 16, 2024
(a) Manual Alarm
Systems: When the work area exceeds 50 percent of the gross enclosed floor area
of the building or use, a manual fire alarm system shall be installed
throughout for buildings or portions thereof of Group H-2, H-3, H-4 or H-5.
(Fire)
(b) Automatic Alarm Systems:
When the work area exceeds 50 percent of the gross enclosed floor area of the
building or use, an automatic fire alarm system shall be installed throughout
in buildings of Group H. (Fire)
(c)
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 when the opening is necessary for
manufacturing operations in a building where every floor level has direct
access to at least two remote enclosed stairways or other approved exits. (Plan
review--Building, Fire. Inspection--Building)
(d) 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)
(e) 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)
(f) Use Group H-5: When
the work area exceeds 50 percent of the gross enclosed floor area of a facility
of Use Group H-5, the entire building is required to comply with the
requirements of Section 415.11 of the building subcode. (Building)
(g) Hazardous materials: When the work
exceeds 25 percent of the gross enclosed floor area of the Group H portion of a
building, the entire building is required to comply with the requirements of
Sections 414 and 415 of the building subcode. (Building)
