A sprinkler system and alarm valves preventive maintenance schedule lists the checks and jobs done on the equipment at fixed intervals, how long each takes, and in what order of frequency, so problems are found before the sprinkler system and alarm valves fails. This page gives the schedule used in the PlantOps360 task library for sprinkler system and alarm valves (e) and alarm valves), which follows common industry practice for general-purpose equipment. It is also searched for as sprinkler, wet pipe sprinkler, dry pipe, deluge system.
The maker’s manual and your site safety procedures always come first where they differ. Intervals set by law differ by state.
Sprinkler system and alarm valves preventive maintenance schedule and checklist
| How often | Task | Estimated time |
|---|---|---|
| Weekly | Check control valves are open and sealed and gauge pressures are normal; check the alarm valve area | 20 min |
| Monthly | Check sprinkler heads for corrosion, paint, damage and obstruction; check the fire department connection | 45 min |
| Quarterly | Test the water-flow alarm using the inspector's test connection | 90 min |
| Half-yearly | Test tamper switches and supervisory signals; run the dry pipe valve trip test (dry systems) | 120 min |
| Annual | Main drain test on each riser; inspect hangers, bracing and pipes | 360 min |
| Annual | Calibrate or replace gauges; test the deluge valve and detection circuit (deluge systems) | 180 min |
Sprinkler system and alarm valves maintenance frequency and yearly workload
At the estimated times, one sprinkler system and alarm valves needs about 45 hours of preventive maintenance a year. The biggest single job is “Main drain test on each riser; inspect hangers, bracing and pipes” at 360 minutes, done annual. Multiply by the number of units you have to see the workload for your plant.
| Frequency | Tasks | Time per round | Hours per year |
|---|---|---|---|
| Weekly | 1 | 20 min | 17.3 h |
| Monthly | 1 | 45 min | 9.0 h |
| Quarterly | 1 | 90 min | 6.0 h |
| Half-yearly | 1 | 120 min | 4.0 h |
| Annual | 2 | 540 min | 9.0 h |
What goes wrong on a sprinkler system and alarm valves without preventive maintenance
- Closed or partly closed control valves
- Corroded, painted or damaged heads
- Alarm valve and flow switch faults
- Obstructed discharge
What to watch between services
- Control valves open and sealed
- Gauge pressures
- Head condition
Safety and statutory notes for sprinkler system and alarm valves maintenance
Sprinkler impairments must be controlled and recorded. Tell the insurer and fire authority when a system is out of service.
Where a sprinkler system and alarm valves preventive maintenance schedule is used
A sprinkler system and alarm valves is found in almost every industry. The industry guides below show how it fits into the wider schedule of each one:
- Preventive maintenance schedule for pharmaceutical plants
- Preventive maintenance schedule for food, dairy and beverage plants
- Preventive maintenance schedule for automotive plants
- Preventive maintenance schedule for chemical, fertiliser and petrochemical plants
- Preventive maintenance schedule for cement, glass, ceramics and building materials plants
- Preventive maintenance schedule for steel, foundry, forging and metal plants
- Preventive maintenance schedule for textile and garment mills
- Preventive maintenance schedule for thermal and hydro power plants
See all industry preventive maintenance schedules.
Related equipment maintenance schedules
- Fire pump set preventive maintenance schedule
- Fire hydrant system, hose reels preventive maintenance schedule
- Portable fire extinguisher preventive maintenance schedule
- Fire detection and alarm system preventive maintenance schedule
- Gaseous fire suppression system preventive maintenance schedule
- Foam fire-fighting system preventive maintenance schedule
- Emergency light and exit sign preventive maintenance schedule
- Emergency eyewash and safety shower preventive maintenance schedule
Browse the full list of equipment preventive maintenance schedules (317 types).
Run this sprinkler system and alarm valves schedule in maintenance software
In preventive maintenance software, each row above becomes a recurring task on the asset with its checklist, time estimate and parts. Tasks can be triggered by calendar date, running hours, meter readings or production cycles, each completed task is recorded with the person and date, and a failed check can open a work order. For the method behind it, read the guide to the preventive maintenance schedule, or use the free generator to get a 12-month plan for your whole equipment list.
Build my preventive maintenance schedule (free Excel)
Frequently asked questions
How often should a sprinkler system and alarm valves be serviced?
In our schedule a sprinkler system and alarm valves has 6 tasks: 1 weekly, 1 monthly, 1 quarterly, 1 half-yearly, 2 annual. The biggest job is “Main drain test on each riser; inspect hangers, bracing and pipes”, which is done annual. Always follow the maker’s manual where it gives a different interval.
What is included in sprinkler system and alarm valves preventive maintenance?
It covers routine checks and jobs such as “Check control valves are open and sealed and gauge pressures are normal; check the alarm…”, “Check sprinkler heads for corrosion, paint, damage and obstruction; check the fire…”, “Test the water-flow alarm using the inspector's test connection”, up to the annual overhaul or inspection. The full list with times is in the table above.
How many hours of maintenance does a sprinkler system and alarm valves need per year?
About 45 hours per unit per year at the estimated times in our library, including all scheduled rounds. Use it to plan workload, not as a benchmark.
Is there a free sprinkler system and alarm valves maintenance checklist?
Yes. The table on this page is a ready checklist. The free preventive maintenance schedule generator turns it into a 12-month Excel schedule for your list of equipment, with monthly workload hours.