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409.3.3 Projection Machines
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Each projection machine shall be provided with an exhaust duct that will draw air from each lamp and exhaust it directly to the outside of the building. The lamp exhaust is permitted to serve to exhaust air from the projection room to provide room air circulation. Such ducts shall be of rigid materials, except for a flexible connector approved for the purpose. The projection lamp or projection room exhaust system, or both, is permitted to be combined but shall not be interconnected with any other exhaust or return system, or both, within the building.
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409.3.3 Special Detailed Requirements Based on Occupancy and Use, Projection Machines
Each projection machine shall be provided with an exhaust duct that will draw air from each lamp and exhaust it directly to the outside ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 409 Motion Picture Projection Rooms > 409.3 Projection Room and Equipment Ventilation > 409.3.3 Projection Machines
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egress width shall be not less than 10 feet (3048 mm) measured to a height of 8 feet (2438 mm) between any projection of a tenant space bordering the mall ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 402 Covered Mall and Open Mall Buildings > 402.8 Means of Egress > 402.8.1 Mall Width