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Fire sprinkler inspections are an essential part of the life of a sprinkler system. 

They happen weekly, monthly, quarterly, annually, 3-years, and 5-years.  Each inspection has its own purpose, but the same overall goals:  1) extend the life of a sprinkler system; and 2) ensure the system is going to work if a fire ignites.

In this post, we're going to dive into what to expect at an annual inspection.

Inspection schedules are determined by NFPA 25.  For a full review of all inspection needs from weekly to 5-year inspections, you can find that information at the NFPA link.

What is inspected at the annual fire sprinkler inspection?

Seven items are inspected at both the quarterly and annual inspection.

  1. Valves.

  2. Wet and dry gauges.

  3. Water flow and supervisory alarm devices.

  4. Water flow alarm on both wet and dry systems.

  5. Hydraulic system nameplates.

  6. Fire department connections.

  7. Pressure-reducing and relief valves.

Four additional inspections are added annually.

  1. Sprinkler heads, pipes, and fittings.

  2. Check supply of spare sprinkler heads and tools.

  3. Dry-pipe valves.

  4. Water flow test.


To prepare for this inspection you should:
Speak with the inspector ahead of time to provide inspection, testing, and maintenance (ITM) reports for the year and ask what the he or she is looking for.

  1. Review the reports with the inspector and explain any issues reported.

  2. Have someone responsible available to accompany the inspector.

  3. Take notes during the inspection. 

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