Current through Register Vol. 56, No. 18, September 16, 2024
(a) Automatic
Sprinkler System: In buildings with a Group S-1 fire area greater than 12,000
square feet or a Group S-1 fire area more than three stories in height, when
the work area exceeds 50 percent of the gross enclosed floor area of the
building, an automatic sprinkler system shall be provided throughout the entire
building.
(b) Manual Alarm System:
For buildings greater than three stories in height with occupant loads over 25,
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.
1. Exception: Manual alarm systems shall not
be required in buildings equipped throughout with an automatic sprinkler
system. (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. (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) Public Garages: When
the work area exceeds 50 percent of the gross floor area of a public garage,
the entire building is required to comply with Sections 406.2.5, 406.2.8,
406.2.9, 406.4.1, 406.4.2, 406.5.3, 406.5.7, 406.5.8, 406.5.9, 406.5.10,
406.5.11, 406.6.2, and 406.6.3 of the building subcode.
