Current through Register Vol. 56, No. 18, September 16, 2024
(a)
Automatic Sprinkler System: In buildings with a Group M fire area greater than
12,000 square feet or a Group M 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 fire sprinkler system shall be provided throughout the
entire building. (Fire)
(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 30-minute 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 openings
connecting only two floor levels, such as between the street floor and
mezzanine or second floor, 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 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)
4. Automatic Sprinkler System: When the work
area is an entire floor, an automatic sprinkler system shall be installed on
that floor. When an automatic sprinkler system is provided, 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. (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)
