According to the California Fire Code (CFC) and the Office of the State Fire Marshal (OSFM), the Fire Marshal holds the ultimate authority to mandate a fire watch. While the general rules (like the 4-hour outage rule) apply statewide, the Fire Marshal’s specific requirements focus on accountability, documentation, and personnel qualifications.

Here is an overview of the Fire Marshal’s specific requirements for a compliant fire watch in California.


1. Notification and Authorization

The Fire Marshal requires immediate notification the moment a life-safety system (alarms, sprinklers, or smoke detection) becomes impaired.

2. Personnel Qualifications

The Fire Marshal does not allow just anyone to perform a fire watch. Requirements usually include:

3. The Fire Watch Log (The Legal Record)

The Fire Marshal’s most frequent point of inspection is the Fire Watch Log. If you do not have a log, you are out of compliance.

4. Evacuation Authority

The Fire Marshal requires that fire watch personnel have the authority and means to:

5. “Hot Work” Fire Marshal Permits

If a fire watch is required for welding or cutting (Hot Work), the Fire Marshal often requires:


Summary Checklist for Compliance

RequirementStatus
NotificationLocal Fire Department notified of system impairment.
Qualified Guard18+, trained, no other duties assigned.
Active LogSigned hourly logs available for immediate inspection.
Comm. ToolsWorking cell phone/radio and high-visibility vest.
TerminationWritten approval from Fire Marshal to stop the watch.