All movie theaters must be licensed pursuant to the provisions of Chapter 67, Amusements and Amusement Devices, of this Code.
The use of cellulose-nitrate motion picture
film is hereby forbidden.
Motion picture projectors shall not be operated
unless located in approved enclosures having all projection openings
protected with approved gravity shutters and in accordance with the
following requirements:
A.
Ventilation generally. Ventilation shall be provided
by one or more mechanical exhaust systems which shall draw air from
each arc lamp housing and from one or more points near the ceiling.
Systems shall exhaust the outdoors either directly or through a noncombustible
flue used for no other purpose. Exhaust outlets shall be equipped
with fusible links. Exhaust capacity shall be not less than 15 nor
more than 50 cubic feet per minute for each arc lamp housing, plus
200 cubic feet per minute for the room itself. Systems shall be controlled
from within the enclosure and have pilot lights to indicate operation.
The exhaust system serving the projection room may be extended to
cover rooms associated therewith, such as rewind rooms. No dampers
shall be installed in such exhaust systems. Ventilation of these rooms
shall not be connected in any way with ventilating or air-conditioning
systems serving other portions of the building.
B.
Exhaust ducts. Exhaust ducts shall be of noncombustible
material and shall either be kept one inch from combustible material
or covered with one-half ( 1/2) inch of noncombustible heat insulating
material and shall be equipped with fusible links.
C.
Fresh air intakes. Fresh air intakes other than those
direct from the open air shall be protected by approved fire shutters
arranged to operate automatically with the port shutters.
D.
Lights. Provision shall be made so that the auditorium
lights can be turned on from inside the projection room and from at
least two other convenient points in the building.
E.
Portholes. All portholes in projection booths shall
be equipped with safety glass, and projection shall be made through
said glass.
F.
Emergency exits. Emergency exits shall be provided.
At least one of said exits shall be a roof hatch.
Film shall be stored only in approved-type steel
bins.
All draperies, chairs, carpets and any other
decorative material used in motion picture theaters shall be flameproof.
Certificates of the manufacturer or approval by any nationally recognized
rating organization shall be prima facie proof of flameproofing.
All lighting fixtures and appliances used in
motion picture theaters shall be equipped with explosionproof bulbs.
All exit doors shall be conspicuously marked
with "EXIT" signs and shall be equipped with panic bars.
