Current through Register Vol. 56, No. 18, September 16, 2024
(a)
Automatic sprinkler system: In buildings with a Group F-1 fire area greater
than 12,000 square feet or a Group F-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.
3. A minimum one-hour UFC fire barrier
required for interior stairways and other vertical openings not exceeding three
stories.
i. Exception: No vertical opening
protection shall be required for special purpose occupancies when necessary for
manufacturing operations and direct access is provided to at least one
protected stairway or for buildings with an automatic sprinkler system
throughout. (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 of 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)
