The maximum
occupant load for the use of any occupancy shall be
determined by Sections 1004.2.1.1 through 1004.2.1.2.
The Chief shall
determine the maximum occupant load permitted for
any assembly occupancy, or any portion of other occupancies
used for assembly purposes, based upon the
provisions of this chapter. The maximum occupant load
shall not exceed the maximum occupant load designated
in the Certificate of Occupancy issued by the
Department of Building and Safety, or in the absence of
such certificate, the maximum occupant load approved
by the Chief.
To determine occupant
load and exit requirements, floor plans shall be submitted
to the Chief for the proposed occupancy. Such plans
shall be drawn to scale and shall show all seats, tables,
furnishings, equipment, and all aisles, cross aisles, and
exit doorways in accordance with this chapter. An
approved floor plan for the occupancy shall be on the
premises and available for inspection by the Chief. The
approval date on the floor plan shall coincide with the
approval date on the posted occupant load sign.
No manager or
person in control thereof shall admit to any assembly
occupancy or premises a greater number of persons than
that for which the exit facilities are designed or maintained
or a greater number than the maximum occupant load
stated as a condition of any permit required by Section
105.6.
Areas within a place of assemblage
having multiple uses shall have the maximum number
of occupants for each use posted.
The manager
or person in control of any place of assemblage shall be responsible for maintaining the occupant load signs and
floor plans required by Chapter 10.
The manager
or person in control of any place of assemblage shall not
permit more persons in attendance than that number of
occupants shown on the approved occupant load sign.
A sign entitled "Occupant Load"
shall be provided by the owner, manager, or person in control,
or by the Department, subject to approval by the
Chief, and shall contain the following information:
In accordance with Section 1004.3 through 1004.3.4, of Chapter 5, Article 7 of the LAMC. This assembly room or area is approved for the following use(s) and the maximum number of occupants shall not exceed that shown.
In accordance with Section 1004.3 through 1004.3.4, of Chapter 5, Article 7 of the LAMC. This assembly room or area is approved for the following use(s) and the maximum number of occupants shall not exceed that shown.
The words on the sign designating
occupant load, the use and the number of occupants
shall be in letters not less than 1/2 inch (13 m) in height.
No person shall
remain in any building or premises that is overcrowded
when told to leave by the manager or person in control
thereof or by any authorized enforcement officer.
No manager or person in control thereof shall
allow the use of any room, building or premises without providing
the exits required by this article, Titles 19 and 24,
(CCR) and Chapter 9 of the LAMC (Building Code).
Double-acting doors
shall not be used as exits when any of the following
conditions exist:
- The occupant load served by the door is 100 or more.
- The door is part of a fire assembly.
- The door is part of a smoke and draft-control assembly.
- Panic hardware is required or provided on the door.
A double-acting door
shall be provided with a view panel of not less than
200 square inches (0.13 m2).
Violation of Section
1010.1.1, 1010.1.2, 1010.1.2.1, 1010.1.9, 1010.1.9.3 or
1010.1.9.11.1 shall be subject to penalties and minimum
fines as prescribed in Section 109.4.2 and Table 109.4.
Alternating tread devices are limited to an element of a means of egress in buildings of Groups F, H and S from a mezzanine not more than 250 square feet (23 m2) in area and that serves not more than five occupants; in buildings of Group I-3 from a guard tower, observation station or control room not more than 250 square feet (23 m2) in area and for access to unoccupied roofs. Alternating tread devices used as a means of egress shall not have a rise greater than 20 feet (6096 mm) between floor levels or landings.
Handrails shall be provided on both sides of alternating tread devices and shall comply with Section 1014.
Alternating tread devices shall have a minimum tread depth of 5 inches (127 mm), a minimum projected tread depth of 81/2 inches (216 mm), a minimum tread width of 7 inches (178 mm) and a maximum riser height of 91/2 inches (241 mm). The tread depth shall be measured horizontally between the vertical planes of the foremost projections of adjacent treads. The riser height shall be measured vertically between the leading edges of adjacent treads. The riser height and tread depth provided shall result in an angle of ascent from the horizontal of between 50 and 70 degrees (0.87 and 1.22 rad). The initial tread of the device shall begin at the same elevation as the platform, landing or floor surface.
Exception: Alternating tread devices used as an element of a means of egress in buildings from a mezzanine area not more than 250 square feet (23 m2) in area that serves not more than five occupants shall have a minimum tread depth of 3 inches (76 mm) with a minimum projected tread depth of 101/2 inches (267 mm). The rise to the next alternating tread surface shall not exceed 8 inches (203 mm).
The Chief shall
have the authority to determine the floor level number
placed on the sign so as to standardize the signs installed
in stairways. Floor level numbers placed on such signs
shall conform to the Chief's specifications.
In areas used for display of equipment,
booths, or similar uses, aisles shall be provided as follows:
- Areas containing less than 5,000 square feet (465 m2) of usable floor space shall be provided with 6 feet (1829 mm) wide aisles arranged so as not to exceed the distance of travel requirements of this section.
- Areas containing 5,000 to 30,000 square feet (465 m2 to 2787 m2) of usable floor space shall be provided with 8 feet (2438 mm) wide aisles arranged so as to not exceed the distance of travel requirements of this section.
- Areas containing more than 30,000 square feet (2787 m2) of usable floor space shall be provided with 10 feet (3048 mm) wide aisles arranged so as to not exceed the distance of travel requirements of this section.
- Aisles that are provided for the convenience of persons in attendance and are not required for exit purposes may be reduced below the required aisle width by 2 feet (610 mm).
Tables shall be
arranged so that the seating edges of adjacent tables are
not less than 54 inches (1370 mm) apart. Rectangular
tables arranged to accommodate seating on one side
only shall have not less than 36 inches (915 mm)
between adjacent table edges.
Violation of
Section 1031.2 shall be subject to penalties and minimum
fines as prescribed in Section 109.4.2 and Table
109.4.
No person
shall wedge, block, obstruct, or otherwise cause or allow
the impairment of the operation of a fire assembly.
Any person in charge or control
of a building shall remove any block, wedge, or other device which is known by such person to be causing a
self-closing fire assembly door to remain in an open position.