1105.2 Supports and Anchorage — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-10-19 · California
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Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 1105.2 · Effective January 1, 2026 · Official source: Building Standards Commission
Supports and anchorage for refrigeration equipment and piping shall be designed in accordance with the building code as Occupancy Category H (hazardous facilities). Supports shall be made of noncombustible materials.
Exceptions:
(1) Equipment containing Group A1 refrigerants shall be permitted to be supported by the same materials permitted for the building type.
(2) The use of approved vibration isolators specifically designed for the normal, wind, and seismic loads encountered, shall be permitted. A compressor or portion of a condensing unit supported from the ground shall rest on a concrete or other approved base extending not less than 3 inches (76 mm) above the adjoining ground level.
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