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933.0 Evaporative Cooling Systems
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Evaporative cooling systems, including air ducts and fire dampers that are a portion of an evaporative cooling system, shall be in accordance with Section 933.2 through Section 933.4.3. Evaporative cooling systems shall be provided with outside air as specified for cooling systems in Section 403.0.
Evaporative cooling systems shall be installed so as to minimize the probability of damage from an external source.
Evaporative coolers shall be accessible for inspection, service, and replacement without removing permanent construction.
An evaporative cooler supported by the building structure shall be installed on a level base and shall be secured directly or indirectly to the building structure, to prevent displacement of the cooler.
Modifications made to the supporting framework of buildings as a result of the installation shall be in accordance with the requirements of the building code. Openings in exterior walls shall be flashed in an approved manner in accordance with the requirements of the building code.
An evaporative cooler supported directly by the ground shall be isolated from the ground by a level concrete slab extending not less than 3 inches (76 mm) above the adjoining ground level.
An evaporative cooler supported on an aboveground platform shall be elevated not less than 6 inches (152 mm) above adjoining ground level.
Related Code Sections
933.0 Installation of Specific Appliances, Evaporative Cooling Systems
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An evaporative cooler supported directly by the ground shall be isolated from the ground by a level concrete slab extending not less than 3 inches ...
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An evaporative cooler supported on an aboveground platform shall be elevated not less than 6 inches (152 mm) above adjoining ground level ...
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