Section 407 — MECHANICAL

2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · ingested 2026-07-07 · California

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407.1 General. ¶

407.1 General. Existing mechanical systems undergoing repair shall not make the building less complying than it was before the damaged occurred. [HCD 1, HCD 2 & BSC] Existing mechanical systems undergoing repair shall comply with the California Mechanical Code.

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