// CODE SNIPPET
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.
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California Mechanical Code 2019 > 9 Installation of Specific Appliances > 933.0 Evaporative Cooling Systems > 933.3 Access, Inspection, and Repair