Question 1

How often must a commercial kitchen hood suppression system be serviced?

Accepted Answer

Every 6 months, without exception. NFPA 96 requires semi-annual inspection and maintenance of pre-engineered kitchen suppression systems, and UL-300 governs the system design itself. A compliant service covers fusible links, discharge nozzles and their caps, the agent cylinder and its pressure gauge, actuation and manual pull station components, and the gas/electric shutdown. Fusible links must be replaced at least every 6 months, and more frequently in high-volume or grease-laden cooking operations. The system must also be re-certified any time the cooking equipment, hood, or duct layout changes.

Question 2

How often do fire extinguishers need inspection, maintenance, and testing?

Accepted Answer

NFPA 10 establishes four separate intervals that are often confused. Monthly: a visual inspection performed and logged by the owner or occupant — check the gauge, seal, pin, hose, and that the unit is unobstructed. Annually: professional maintenance, with the inspection tag updated and signed. Every 6 years: an internal examination and recharge for stored-pressure dry chemical extinguishers. Every 12 years: a hydrostatic test of the cylinder. An extinguisher that fails hydrostatic testing, or shows corrosion, dents, or a damaged valve, must be removed from service and replaced — it cannot be recharged back into compliance.

Question 3

How often do I need a fire sprinkler inspection?

Accepted Answer

NFPA 25 sets the baseline intervals. Quarterly: control valves, pressure gauges, and waterflow alarm devices must be inspected. Annually: a full system inspection plus a main drain flow test to confirm adequate water supply. Monthly: dry-pipe and preaction valve enclosures, and weekly gauge readings on dry systems. Every 5 years: an internal inspection of the piping and a close-up inspection of sprinkler heads. Your local fire authority having jurisdiction (AHJ) may impose shorter intervals, and California jurisdictions commonly do. 911 Fire documents every test against the applicable NFPA 25 interval so your records stand up to fire marshal review.

Question 4

How often do emergency and exit lights need to be tested?

Accepted Answer

California Code of Regulations Title 19 and NFPA 101 require two distinct tests. Monthly: a 30-second functional test confirming each unit illuminates from its battery under load. Annually: a 90-minute discharge test verifying the battery holds a full emergency runtime. Both results must be documented and retained for the fire authority. Units that fail to hold the 90-minute load need battery or fixture replacement before the next inspection cycle.

Question 5

What documentation do I need to keep for a fire marshal inspection?

Accepted Answer

Fire marshals commonly ask for the previous 12 months of records. Keep current inspection tags on every extinguisher and on the kitchen suppression system, the most recent NFPA 25 sprinkler inspection report, semi-annual NFPA 96 suppression service records, emergency lighting test logs, and the hydrostatic test date for each extinguisher cylinder. Missing records are treated as non-compliance even when the equipment itself is in working order. 911 Fire issues a written report after every service, so your documentation is audit-ready at all times.

Question 6

How long is my kitchen out of service after a suppression system discharges?

Accepted Answer

The kitchen cannot operate until the system is fully restored: the agent cylinder replaced or refilled, all fusible links replaced, discharge nozzles cleaned or replaced, and the system re-certified by a licensed technician. Realistically that is 24 to 48 hours when parts are on hand. 911 Fire stocks Ansul and Amerex components and provides same-day or next-day restoration across the Bay Area to minimize lost revenue.

Question 7

Does 911 Fire handle permits and fire authority sign-off?

Accepted Answer

Yes. New suppression system and sprinkler installations require a permit from the fire authority having jurisdiction (AHJ). We prepare and submit the plans, pull the permit, coordinate the rough-in and final inspections, and manage sign-off through to completion. This keeps your certificate of occupancy and any tenant improvement schedule on track. We are a licensed and insured California fire protection contractor.

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