Chapter 15 — CONSTRUCTION SAFEGUARDS
1510 Automatic Sprinkler System — 2025 California Existing Building Code
California Existing Building Code (Title 24, Part 10) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Existing Building Code (Title 24, Part 10) § 1510 · Effective January 1, 2026 · Official source: Building Standards Commission
[F] 1510.1 Completion before occupancy. In buildings where an automatic sprinkler system is required by this code or the California Building Code, it shall be unlawful to occupy any portions of a building or structure until the automatic sprinkler system installation has been tested and approved, except as provided in Section 110.3.
[F] 1510.2 Operation of valves. Operation of sprinkler control valves shall be permitted only by properly authorized personnel and shall be accompanied by notification of duly designated parties. When the sprinkler protection is being regularly turned off and on to
15-6 2025 CALIFORNIA EXISTING BUILDING CODE
CONSTRUCTION SAFEGUARDS
facilitate connection of newly completed segments, the sprinkler control valves shall be checked at the end of each work period to ascertain that protection is in service.
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