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WET PIPE SPRINKLER SYSTEMS (including Antifreeze Systems)
Combined Recommendation for Wet Pipe Sprinkler Systems
| Cycle |
| System Component |
| * Work |
| Annually |
| Entire System |
| - Visually check pipe hangars, sprinkler heads for obstructions, piping for leaks, riser condition. |
All Control Valves (Lock, Unlocked, Supervised, or Unsupervised) Test 13.3.3.1: Operate valve through its full range and return to its normal position.
- Confirm valve position after operation.
Waterflow Alarm Devices (Water motor gong, vane-type and pressure switch-type water flow devices) Inspect 13.2.6:
-Operate to verify function and alarm at panel.
-Verify alarm test valve alignment and tamper switch (if applicable)
| Supervisory Signal Devices |
| Inspect 5.2.5: Inspect to verify devices are free from physical damage. |
| Main Drain |
| Test 13.2.5, 13.2.5.1: |
- Conduct Main Drain Test.
- Read and record static and residual pressure.
- Attach readings to gauge with a tag.
- Compare resulting test pressures with previous test pressures and verify results are within acceptable limits or identify corrective measures.
| Alarm valve and trim |
| Inspect 13.4.1.1: |
-Visual inspection of alarm valve exterior, trim, gauges.
- Verify and record valve pressure and legibility of hydraulic placard (if applicable).
| Fire Department Connections |
| Inspect 13.7.1: |
- Verify accessibility and condition.
- If caps are missing, check for obstructions.
| Hydraulic Placard |
| Inspect 5.2.6: |
| Spare Sprinklers |
| Inspect 5.2.1.4: |
| Information Signs |
| Inspect 5.2.8: |
| Pipe and Fittings |
| Inspect 5.2.2: |
| Backflow Preventers |
| Test 13.6.2: |
Test backflow preventers and record results (where systems permits this type of testing). Repair leaking check valves.
| 2 Years |
| In addition to the annual requirements listed above, perform the following: |
| Control Valves |
| - Maintenance 13.3.4: Lubricate valves and stems. |
| Antifreeze Solution |
| Test 5.3.4: |
| Gauges |
| - Recalibrate or replace gauges. |
| 5 Years |
| Obstruction Inspection |
| Inspection, 14.2 |
| Sprinklers (Extra-High or greater temp heads) |
| Test 5.3.1.1.1.4 |
Alarm Valve and Appurtenances (Strainers, Filters, Orifices) Inspect 13.4.1.2: Clean and inspect internals of alarm valve and appurtenances.
| Check Valves |
| Inspect 13.4.2.1: Internal inspection and operability |
| Sprinklers (Subject to Corrosion Environment) |
| Test 5.3.1.1.2: |
| 10 Years |
| Sprinklers (Dry Heads) |
| Test 5.3.1.1.1.6 |
| Gauges |
| - Recalibrate or replace gauges. |
| 20 Years |
| Fast Response and High Temperature Sprinkler Heads |
| Test 5.3.1.1.1.3 |
- Test sample sprinklers to verify response characteristics.
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1 |
- Replace or test a sample of sprinkler heads to verify response characteristics.
| Following System Repair or Modification |
| Valve Supervisory Switch |
| Inspect: 13.3.2.1.2 |
| Main Drain |
| - Conduct a main drain test to verify supply. |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
Exhibit 3 Fire Suppression Systems Maintenance Task Tables
| Wet Pipe Sprinkler System Requirements | Page 1 of 21 |
| DRY PIPE SPRINKLER SYSTEMS |
Combined Recommendation for Dry Pipe Sprinkler Systems
| Cycle |
| System Component |
| * Work |
| Annually |
| Entire System |
| - Visually check pipe hangars, sprinkler heads for obstructions, piping for leaks, riser condition. |
All Control Valves
Test 13.3.3.1:
- Operate valve through its full range and return to its normal position.
Waterflow Alarm Devices
Inspect 13.2.6:
- Operate to verify function and alarm at panel.
- Verify alarm test valve alignment and tamper switch (if applicable)
| Supervisory Signal Devices |
| Inspect 5.2.5: |
- Inspect to verify devices are free from physical damage.
| Main Drain |
| Test 13.2.5, 13.2.5.1: |
- Conduct Main Drain Test.
- Read and record static and residual pressure.
- Compare resulting test pressures with previous test pressures and verify results are within acceptable limits or identify corrective measures.
| Dry Pipe Alarm Valve and Trim |
| Test 13.4.4.2.2: |
- Visual inspection of alarm valve exterior, trim, gauges.
- Verify and record valve pressure
- Perform full flow trip test
| Priming Water Level |
| Test 13.4.4.2.1: |
- Check priming water level (before and after trip test).
| Quick Opening Device |
| Test 13.4.4.2.4: |
| Fire Department Connections |
| Inspect 13.7.1: |
| Low Air Pressure Alarm, Dry Pipe Valve |
| Test 13.4.4.2.6: |
| Low Point/Auxiliary Drains |
| - Drain all low points to remove condensation prior to cold season. |
| Water Motor Gong |
| Inspect: 13.5.1.1: |
| Gauges |
| Inspect 5.2.4.2 - 5.2.4.4: |
| Pipe and Fittings |
| Inspect 5.2.2: |
| Spare Sprinklers |
| Inspect 5.2.1.4: |
| Hydraulic Placard |
| Inspect 5.2.6, Verify legibility |
| Information Signs |
| Inspect 5.2.8: |
| Dry Pipe Valve and Riser Enclosure |
| Inspect 13.4.3.1 / 13.4.3.2.14: |
- Verify operability of the heating system at the beginning of the heating season.
- Verify operability of low temperature alarms and alarm at panel.
| Backflow Preventers |
| Test 13.6.2: |
Test backflow preventers and record results (where systems permits this type of testing). Repair leaking check valves.
| 2 Years |
| In addition to the annual requirements listed above, perform the following: |
| Dry Pipe Alarm Valve and Trim |
| Maintenance 13.4.3.3.2: |
Inspect 13.4.3.1.7:
- Verify that manual actuators are operable.
- Inspect internal condition and clean valve seat before resetting.
| Control Valves |
| Maintenance 13.3.4: |
- Exercise valve through entire range.
- Lubricate valves and stems.
| Gauges |
| - Recalibrate or replace gauges. |
| Air Maintenance Devices |
| - Inspect to verify proper operation. |
| 5 Years |
| Obstruction Inspection |
| Inspection, 14.2 |
| Gauges |
| Test 5.3.4, 13.2.7.2: |
- Recalibrate or replace gauges.
| Sprinklers (Extra-High or greater temp heads) |
| Test 5.3.1.1.1.4 |
| Alarm Valve Appurtenances |
| Inspect 13.4.4.1.6: |
- Inspect strainers, filters, restricting orifices
| Check Valves |
| Inspect 13.4.2.1: Internal inspection and operability |
| Sprinklers (Subject to Corrosion Environment) |
| Test 5.3.1.1.2: |
| 10 Years |
| Sprinklers (Dry Heads) |
| Test 5.3.1.1.1.6: |
| 20 Years |
| Fast Response and High Temperature Sprinkler Heads |
| Test 5.3.1.1.1.3: |
- Test sample sprinklers to verify response characteristics.
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1: |
| Following System Repair or Modification |
| Valve Supervisory Switch |
| Inspect 13.3.2.1.2: |
| Main Drain |
| - Conduct a main drain test to verify supply. |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Dry Pipe Sprinkler System Requirements | Page 3 of 21 |
| DELUGE SPRINKLER SYSTEMS |
Combined Recommendations for Deluge Sprinkler Systems
| Cycle |
| System Component |
| *Work |
| Annually |
| Entire System |
| - Visually check pipe hangars, sprinkler heads for obstructions, piping for leaks, riser condition, spare sprinkler heads. - Ensure detectors are unblocked, panels are secured and indicator lamps are functional, notification appliances are in place, and manual stations are in place and unobstructed. |
All Control Valves
Test 13.3.3.1:
Waterflow Alarm Devices
Inspect 13.2.6, 13.5.1.1:
| Supervisory Signal Devices |
| Inspect 5.2.5: |
| Main Drain |
| Test 13.2.5, 13.2.5.1: |
- Conduct Main Drain Test.
- Read and record static and residual pressure.
- Compare resulting test pressures with previous test pressures and verify results are within acceptable limits or identify corrective measures.
| Deluge Alarm Valve and Trim |
| Test 13.4.3.2.2: |
- Visual inspection of alarm valve exterior, trim, gauges.
- Verify and record valve pressure.
| Priming Water Level |
| Test 13.4.3.2.1: |
| Fire Department Connections |
| Inspect 13.7.1: |
| Low Air Pressure Alarm, Deluge Valve |
| Test 13.4.3.2.13: |
| Low Point/Auxiliary Drains |
| - Drain all low points to remove condensation prior to cold season. |
| Gauges |
| Inspect 5.2.4.2 - 5.2.4.4: |
| Pipe and Fittings |
| Inspect 5.2.2: |
| Spare Sprinklers |
| Inspect 5.2.1.4: |
| Hydraulic Placard |
| Inspect 5.2.6: |
| Information Signs |
| Inspect 5.2.8: |
| Deluge Valve and Riser Enclosure |
| Inspect 13.4.3.1 / 13.4.3.2.14: |
| Backflow Preventers |
| Test 13.6.2: |
Test backflow preventers and record results (where systems permits this type of testing). Repair leaking check valves.
| 2 Years |
| In addition to the annual requirements listed above, perform the following: |
| Deluge Alarm Valve and Trim |
| - Inspect 13.4.3.1.7: |
- Maintenance 13.4.3.3.2:
| Control Valves |
| - Maintenance 13.3.4: |
| Air Maintenance Devices |
| - Inspect to verify proper operation. |
| 5 Years |
| Obstruction Inspection |
| Inspection 14.2: |
| Gauges |
| Test 5.3.4, 13.2.7.2: |
| Sprinklers (Extra-High or greater temp heads) |
| Test 5.3.1.1.1.4: |
| Deluge Valve Appurtenances |
| Inspect 13.4.3.1.8: |
- Clean and inspect internals of alarm valve and appurtenances.
| Inspect 13.4.2.1: Internal inspection and operability |
| Check Valves |
| Pressure Reducing and Relief Valves (Sprinklers) |
| Test 13.5.1.2: |
| Sprinklers (Corrosion Resistant) |
| Test 5.3.1.1.2: |
| 10 Years |
| Sprinklers (Dry Heads) |
| Test 5.3.1.1.1.6: |
| 20 Years |
| Sprinklers (Fast Response) |
| Test 5.3.1.1.1.3: |
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1: |
| 20 Years |
| Fast Response and High Temperature Sprinkler Heads |
| Test 5.3.1.1.1.3: |
- Test sample sprinklers to verify response characteristics.
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1: |
| Following System Repair or Modification |
| Valve Supervisory Switch |
| Inspect 13.3.2.1.2: |
| Main Drain |
| - Conduct a main drain test to verify supply. |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Deluge Sprinkler System Requirements | Page 7 of 21 |
| PREACTION SPRINKLER SYSTEMS |
Combined Recommendations for PreAction Sprinkler Systems
| Cycle |
| System Component |
| *Work |
| Annually |
| Entire System |
| - Visually check pipe hangars, sprinkler heads for obstructions, piping for leaks, riser condition, spare sprinkler heads. - Ensure detectors are unblocked, panels are secured and indicator lamps are functional, notification appliances are in place, and manual stations are in place and unobstructed. |
All Control Valves
Test 13.4.3.1:
Waterflow Alarm Devices
Inspect 13.2.6:
| Supervisory Signal Devices |
| Inspect 5.2.5: |
| Main Drain |
| Test 13.2.5, 13.2.5.1: |
- Conduct Main Drain Test.
- Read and record static and residual pressure.
- Compare resulting test pressures with previous test pressures and verify results are within acceptable limits or identify corrective measures.
| PreAction Alarm Valve and Trim |
| Test 13.4.3.2.2: |
- Visual inspection of alarm valve exterior, trim, gauges. - Verify and record valve pressure.
| Priming Water Level |
| Test 13.4.3.2.1: |
| Fire Department Connections |
| Inspect 13.7.1: |
| Low Air Pressure Alarm, PreAction Valve |
| Test 13.4.3.2.13: |
| Low Point/Auxiliary Drains |
| - Drain all low points to remove condensation prior to cold season. |
| Water Motor Gong |
| Inspect 13.5.1.1: |
| Gauges |
| Inspect 5.2.4.2 - 5.2.4.4: |
| Pipe and Fittings |
| Inspect 5.2.2: |
| Spare Sprinklers |
| Inspect 5.2.1.4: |
| Hydraulic Placard |
| Inspect 5.2.6: |
| Information Signs |
| Inspect 5.2.8: |
| PreAction Valve and Riser Enclosure |
| Inspect 13.4.3.1 / 13.4.3.2.14: |
| Backflow Preventers |
| Test 13.6.2: |
Test backflow preventers and record results (where systems permits this type of testing). Repair leaking check valves.
| 2 Years |
| In addition to the annual requirements listed above, perform the following: |
| PreAction Alarm Valve and Trim |
| - Inspect 13.4.3.1.7: |
- Maintenance 13.4.3.3.2:
| Control Valves |
| - Maintenance 13.3.4: |
| Air Maintenance Devices |
| - Inspect to verify proper operation. |
| 5 Years |
| Obstruction Inspection |
| Inspection 14.2: |
| Gauges |
| Test 5.3.4, 13.2.7.2: |
| Sprinklers (Extra-High or greater temp heads) |
| Test 5.3.1.1.1.4: |
| PreAction Valve Appurtenances |
| Inspect 13.4.3.1.8: |
- Clean and inspect internals of alarm valve and appurtenances.
| Pressure Reducing and Relief Valves (Sprinklers) |
| Test 13.5.1.2: |
| Sprinklers (Corrosion Resistant) |
| Test 5.3.1.1.2: |
| 10 Years |
| Sprinklers (Dry Heads) |
| Test 5.3.1.1.1.6: |
| 20 Years |
| Sprinklers (Fast Response) |
| Test 5.3.1.1.1.3: |
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1: |
| 20 Years |
| Fast Response and High Temperature Sprinkler Heads |
| Test 5.3.1.1.1.3: |
- Test sample sprinklers to verify response characteristics.
| 50 years |
| Standard Sprinkler Heads |
| Test 5.3.1.1.1: |
- Replace or test a sample of sprinkler heads to verify response characteristics.
| Following System Repair or Modification |
| Valve Supervisory Switch |
| Inspect 13.3.2.1.2: |
| Main Drain |
| - Conduct a main drain test to verify supply. |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Preaction Sprinkler System Requirements | Page 11 of 21 |
| STANDPIPE SYSTEMS/HOSE SYSTEMS |
Combined Recommendations for Standpipe/Hose Systems
| Cycle |
| System Component |
| *Work |
| Annually |
| Piping |
| Inspect 6.2.1: |
-Inspect for damage, leaks, missing caps, and obstructions.
| Cabinet |
| Inspect, NFPA 1962 |
| Hose Nozzle |
| Inspect, NFPA 1962 |
| Hose Storage Device |
| Test, NFPA 1962 |
| Pressure Reducing and Relief Valves (Hose Connections) |
| Inspect, 13.5.2.1 |
| Control Valves |
| -Operate to verify function and alarm at panel. |
-Lubricate valves and stems.
| Pressure Reducing and Relief Valves (Hose Racks) |
| Inspect, 13.5.3.1 |
| Hose Connections |
| Maintenance, Table 6.1.2 |
| 5 Years |
| Hose |
| Test, NFPA 1962 |
| Hydrostatic Test |
| Test 6.3.2: |
- Hydrostatic test to ensure integrity (for dry standpipe systems only)
| Control Valves |
| -Lubricate valves and stems. |
- Conduct flow test to verify flow capacity and minimum discharge pressure.
Pressure Reducing and Relief Valves (Hose Connections) Test, 13.5.2.2
Pressure Reducing and Relief Valves (Hose Racks) Test, 13.5.3.2
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Standpipe System Requirements | Page 12 of 21 |
| MAINS AND HYDRANTS |
Combined Recommendations for Mains and Hydrants
| Cycle |
| System Component |
| *Work |
| Annually |
| Hydrants |
| Maintenance, 7.4.2.2 |
- Keep hydrants free of snow and ice or other materials
| Hydrants Flow Test |
| Test 7.3.2: |
- Open fully and run water until water is clear or 1 minutes, whichever is longer.
- Verify drainage of the barrel after all operations and before cold weather.
| Hydrants (Dry-Barrel) |
| Inspect 7.2.2.4: |
- Take corrective action as necessary, see Table 7.2.2.5
| Hydrants (Wet-Barrel) |
| Inspect 7.2.2.5: |
- Take corrective action as necessary, see Table 7.2.2.5
| 2 Years |
| Hydrants |
| Maintenance 7.4.2: |
- Lubricate hydrant.
- With caps on all outlets, operate not less than five full cycles to ensure operation and to distribute lubrication.
| 5 Years |
| Piping Flow Test |
| Test 7.3.1: |
-Conduct flow test. Test should be coordinated with the 2-year tasks whenever possible. 20 percent of the site's hydrants should be tested each year so that every hydrant has had a flow test conducted and recorded at the end of the 5-year cycle.
- Document flow tests and provide results to the Fire Department.
| After Flow Test |
| Strainers |
| - Inspect and clean after each flow test. |
| As Required |
| Hydrants |
| - Apply protective coatings to prevent corrosion. |
- Identify by hydrant barrel color code the water distribution system to which the hydrant is connected;
1) Potable Water
2) Non-Potable Fire Protection Water
3) Non-Potable Reuse (Gray) Water. Locate or confirm on existing plans.
- Identify by hydrant bonnet color code the water flow available from the hydrant.
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Mains and Hydrants Requirements | Page 13 of 21 |
| FIRE PUMPS |
Combined Recommendations for Fire Pumps
| Cycle |
| System Component |
| *Work |
| Monthly |
| Pump House |
| Inspect 8.2.2 (1): |
-Inspect for proper condition, ventilation, and heating
| Control Valves and Isolation Valves |
| Inspect 8.2.2 (2): |
-Verify proper valve position.
| Pressure Gauges |
| Inspect 8.2.2 (2): |
- Check reading and verify gauge operability.
| Controllers |
| Inspect 8.2.2 (3): |
- Verify that automatic controllers are in the AUTO setting.
- Inspect electronic connections.
- Operate manual and automatic stations.
| Diesel Engine |
| Inspect 8.2.2 (4): |
- Verify proper charge.
- Controller switch set to Auto
- Verify fuel level for Engine-Driven Pumps (minimum 2/3 full).
- Alarm pilot lights are off
- Crankcase oil level acceptable
- Cooling water level acceptable
- Water jacket heater is operating
| Pump Electric Motor |
| Inspect 8.2.2 (3) |
- Transfer switch normal pilot light is on
- Reverse phase alarm pilot light off
- Oil level in motor sight glass is acceptable
- Power to jockey pressure maintenance (jockey) pump is available and pump is functioning normally.
| Pump with Electric Motor |
| Test 8.3.2.8 (1,2): |
- Start and churn to verify operability. Electric Pumps shall operate for 10 minutes
- Verify operation of relief valves.
- Record time motor requires to obtain full speed.
- Record pumps starting pressure
- Check for unusual noise or vibration
- Check pump packing boxes, bearings, and pump casing for overheating
| Diesel Engine |
| Test 8.3.2.8 (3): |
- Operate engine-driven pump for 30 minutes
- Inspect exhaust system for leaks for Engine-Driven Pumps.
- Start engine-driven pump again using second battery set and churn to verify operability.
- Observe/record time for engine to crank to start
- Observe/record time for engine to reach running speed
- Observe/record engine oil pressure gauge, speed indicator, water and oil temperature
- Check heat exchanger to confirm cooling water flow.
| 2 Years |
| Control Valves |
| - Operate and lubricate valves. To ensure operability |
| Controllers |
| - Calibrate pressure switches. |
- Exercise circuit breakers and switches to verify operability.
- Inspect fuses.
| Pumps |
| - Check coupling alignment to ensure that the shaft is aligned. |
- Check pump shaft end play.
- Lubricate bearings.
- Lubricate couplings.
- Lubricate right-angle drives.
| Fuel |
| - Sample fuel to verify quality. |
| Relief Valves |
| - Calibrate valves. |
| Emergency Power Supply |
| - Test to verify availability and capacity for pump motor |
| 5 Years |
| Pumps |
| - Conduct flow test to verify pump output. Test may be through a flow meter returning the water to a storage reservoir or through the test header. Recirculation of water to the suction piping is not permitted. In a multi-pump installation, each pump may be tested separately at not less than 100 percent capacity for 30 minutes. |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Fire Pump System Requirements | Page 15 of 21 |
| WATER SUPPLY TANKS |
Combined Recommendations for Water Supply Tanks
| Cycle |
| System Component |
| *Work |
Weekly (during cold weather season)
| Tank Heating System without electronic supervision |
| Inspect 9.2.3.2 |
- Verify water temperature.
- Verify operation of tank heaters.
| Water Temperature, Low Temp Alarm not supervised |
| Inspect 9.2.4.3 |
| Temperature Alarm, not connected to a supervised location |
| Inspect 9.2.4.3 |
| Monthly |
| Heating System, Tank Water Temperature Low Temp Alarm |
| Inspect: 9.2.3.1, 9.2.4.2 |
| Temperature Alarm, connected to a supervised location |
| Inspect, 9.2.4.2 |
| Low Water Temperature Alarms |
| Test 9.3.3 |
| High Temperature Limit Switches |
| Test 9.3.4 |
| Annually |
| Control Valves with locks or electronic supervision |
| - Verify proper valve position |
| Tank Exterior |
| Inspect 9.2.5.1: |
- Inspect exterior for condition, damage, corrosion, and accessibility.
| Support Structure |
| Inspect 9.2.5.1: |
| Catwalks and Ladders |
| Inspect 9.2.5.1: |
| Surrounding Area |
| Inspect 9.2.5.2: |
| Tank Heating System with electronic supervision |
| - Verify operation of tank heater prior to cold weather season. |
- Test temperature alarms to verify operation.
All Control Valves
Test 13.3.3.1:
| Hoops and Grillage |
| Inspect 9.2.5.4: |
| Painted / Coated Surfaces |
| Inspect 9.2.5.5: |
| Expansion Joints |
| Inspect 9.2.5.3: |
| 2 Years |
| Control Valves including Drain Valves |
| Maintenance 13.3.4: |
- Exercise valve through operating range.
- Lubricate valves.
| Water Level Alarms and Indicators |
| - Test water level alarms to verify operation and set points. |
| Tank Vent |
| - Inspect and clean tank vents. |
| Tanks Without Cathodic Protection |
| - Conduct internal tank inspection to determine condition and amount of corrosion. |
| 5 Years |
| Pressure Gauges |
| Test 9.3.6: |
- Calibrate gauges.
| Check Valves |
| - Inspect interior of valves. |
| Level Indicator Test |
| Test 9.3.1: |
- Calibrate level indicator.
| Interior, Tanks with Corrosion Protection |
| Inspect 9.2.6.1.2: |
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
Water tank will be added to service contract later. Requirements are included for information only.
| Water Supply Tank / System Requirements | Page 16 of 21 |
| DRY CHEMICAL SYSTEMS |
Combined Recommendations for Dry Chemical Systems
| Cycle |
| System Component |
| *Work |
| Semi-Annually |
| Piping and Nozzles |
| - Inspect piping, pipe hangers, and nozzles for obstructions and proper support. |
- Conform nozzle covers are in place.
| Storage Vessels |
| - Inspect agent container for condition. |
- Verify storage pressure of propellant is within operating range.
| Agent |
| - Verify quantity and quality of agent. |
| Actuators |
| - Inspect manual actuators for accessibility. |
- Inspect detection devices for contamination and clean.
- Test actuation system without agent release. Coordinate with annual replacement of fixed temperature sensing elements.
- Verify that interfaces (gas shutoff, power shutoff) operate properly.
| Fusible Metal Alloy Link Detectors |
| Replace 11.3.2: |
| Detectors (other than Metal Alloy) |
| Inspect 11.3.3.1: |
- Ensure that detectors are unblocked
| Detectors (other than Metal Alloy) |
| Test 11.3.3.1: |
| Control System |
| Ensure that panels are secured and indicator lamps are functional, notification appliances are in place, manual stations are in place and unobstructed. |
| Annually |
| Actuators |
| - Replace fixed temperature sensing elements (fusible links/metal alloy type). |
| Pressure Regulators |
| Test 11.3.1.6: |
| 5 Years |
| Storage Vessels |
| Hydrostatic Test 11.5: |
- Conduct hydrostatic test for pressure cylinders in accordance with OSHA and DOT standards.
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Dry Chemical System Requirements | Page 18 of 21 |
| WET CHEMICAL SYSTEMS |
Combined Recommendations for Wet Chemical Systems
| Cycle |
| System Component |
| *Work |
| Semi-Annually |
| Piping and Nozzles |
| - Inspect piping, pipe hangers, and nozzles for obstructions and proper support. |
- Conform nozzle covers are in place.
| Storage Vessels |
| - Inspect agent container for condition. |
- Verify storage pressure of propellant is within operating range.
| Agent |
| - Verify quantity and quality of agent. |
| Actuators |
| - Inspect manual actuators for accessibility. |
- Inspect detection devices for contamination and clean.
- Test actuation system without agent release. Coordinate with annual replacement of fixed temperature sensing elements.
- Verify that interfaces (gas shutoff, power shutoff) operate properly.
| Fusible Metal Alloy Link Detectors |
| Replace 11.3.2: |
| Detectors (other than Metal Alloy) |
| Inspect 11.3.3.1: |
- Ensure that detectors are unblocked
| Detectors (other than Metal Alloy) |
| Test 11.3.3.1: |
| Control System |
| Ensure that panels are secured and indicator lamps are functional, notification appliances are in place, manual stations are in place and unobstructed. |
| Annually |
| Actuators |
| - Replace fixed temperature sensing elements (fusible links/metal alloy type). |
| Pressure Regulators |
| Test 11.3.1.6: |
| 5 Years |
| Storage Vessels |
| Hydrostatic Test 11.5: |
- Conduct hydrostatic test for pressure cylinders in accordance with OSHA and DOT standards.
* Where paragraph sections are referenced, refer to NFPA 25 to locate these section numbers.
| Wet Chemical System Requirements | Page 19 of 21 |
| Nitrogen Generation Systems |
| Monthly |
| - Clean filter bowls. |
- Calibrate oxygen analyzer per manufacturer's instructions.
| Every 3 Months |
| - Change Particulate pre filter element. |
- Operate safety valves.
- Operate manual valves.
- Check for leaks and repair as necessary.
| Every 6 Months |
| - Change Coalescing pre filter element. |
| Annually |
| - Test all air pilot valves. |
- Install valve repair kits on flow control valve and equalizer valves when necessary.
- Disassemble and inspect all air-operated valves; install repair kits if required.
- Check for air and product leaks.
- Change Absorber pre filter element.
- Check O2 analyzer sensor for proper operation as per manufacturer's instructions and order replacement.
| Every 3 Years |
| - Install repair kits in all pneumatically operated valves. |
| Nitrogen Generation System Requirements | Page 20 of 21 |
| Dry and PreAction System Air Compressors |
- Drain condensate from receiver and traps
- Check for usual noise or vibration
- Clean air filters
- Clean all external parts of the compressor and motor
- Change filters
| Monthly |
| - Manually test safety relief valve |
- Inspect air system for leaks
- Inspect oil for contamination and change if necessary
- Check for belt tension and wear
- Check pulley set screws for tightness
- Tighten nuts and cap screws as required
Dry-Pipe and Preaction System Air Compressors Requirements Page 21 of 21
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