Exhibit_4_-_Fire_Alarm_Systems_Inspection_and_Testing_Requirements.docx
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- SP330015R0009
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Defense Logistics Agency Distribution
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Exhibit 4
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Exhibit 4 Fire Alarm Systems Maintenance Task Tables
FIRE ALARM SYSTEMS
| Cycle |
| Alarm Component |
| Task |
| Annually |
| All Equipment |
| 1. Inspect to ensure that no changes affect equipment performance. Inspect for building modifications, changes in environmental conditions, device locations, physical obstructions, device orientation, physical damage, and degree of cleanliness |
| Fire Alarm Control Panel and Annunciator Equipment |
| 1. Inspect to verify a system normal condition and physical condition for all equipment related to and within the fire alarm control panel. |
2. Test to verify proper receipt of alarm, supervisory, and trouble signals (inputs) and operation of notification appliances and auxiliary functions (outputs). Verify circuit supervision, including detection of open circuits and ground faults. Verify power supply supervision for detection of loss of ac power and disconnection of secondary batteries.
3. Fuses – Verify rating and supervision
4. Interfaced Equipment – Verify integrity of circuits providing interface between two or more control units. Test interfaced equipment by operating or simulating operation of the equipment being supervised. Verify signals required to be transmitted at the control equipment.
5. Test to verify that all lamps and LEDs illuminate.
6. Primary power supply – Disconnect and test all secondary (standby) power under maximum load, including all alarm appliances requiring simultaneous operation. Reconnect all secondary (standby) power at end of test. Test redundant power supplies separately
| Fire Alarm Control Panel Trouble Signals |
| 1. Verify operation of control unit trouble signals. Verify ring-back feature for systems using a trouble-silencing switch that requires resetting. |
2. Disconnect switches – If control unit has disconnect or isolating switches, verify performance of intended function of each switch. Verify receipt of trouble signal when a supervised function is disconnected.
3. Ground-fault monitoring circuit – Verify the occurrence of ground-fault indication whenever any installation conductor is grounded.
4. Transmission of signals – Actuate an initiating device and verify receipt of alarm signal at the at the system control panel in building 911. Create a trouble condition and verify receipt of a trouble signal at the system control panel in building 911. Actuate a supervisory device and verify receipt of a supervisory signal at the off-premises location. If a transmission carrier is capable of operation under a single- or multiple-fault condition, activate an initiating device during such fault condition and verify receipt of an alarm signal as a trouble signal at the system control panel in building 911.
| Notification Appliance Circuit Power Extenders |
| 1. Inspect to verify proper fuse ratings. Verify that lamps and LEDs indicate normal operating status of the equipment. Verify physical condition of the equipment. |
2. Verify proper fuse ratings, if any. Verify that lamps and LEDs indicate normal operating status.
| Annually |
| Remote Annunciators |
| 1. Inspect to verify location and condition. |
2. Verify the correct operation and identification of annunciators. If provided, verify the correct operation of annunciator under a fault condition.
Annually
| Manual Pull Stations |
| 1. Inspect for location and physical condition. Verify that access to manual pull station is not obstructed. Clean manual pull station as necessary to allow for proper operation. |
2. Operate manual pull station per the manufacturer’s published instructions. Test both key-operated presignal and general alarm manual pull stations.
| Notification Appliances and Voice Communications |
| 1. Inspect notification appliances to verify location and condition of all appliances. |
2. Audible – Verify operation of the notification appliance.
3. Visible – Verify that each appliance flashes.
| Digital Alarm Transmitters and Receivers |
| 1. Test all system functions and features in accordance with the equipment manufacturer’s published instructions. Actuate initiating device and verify receipt of the correct initiating device signal at the supervising station within 90 seconds. Upon completion of the test, restore the system to its functional operating condition. If test jacks are used, conduct the first and last tests without the use of test jack. |
2. Radio Alarm Transmitter – Cause a fault between elements of the transmitting equipment. Verify indication of the fault at the protected premises, or transmission of trouble signal to the supervising station.
| Batteries |
| 1. Inspect batteries for corrosion or leakage. Verify tightness of connections. Verify marking of the month/year of manufacture. |
2. Prior to conducting any battery testing, verify that all system software stored in volatile memory is protected from loss
| Nickel-Cadmium Batteries |
| 1. Battery Replacement - Replace batteries in accordance with the recommendations of the alarm equipment manufacturer or when the recharged battery voltage or current falls below the manufacturer’s recommendations. For equipment containing multiple batteries, if any battery fails any of the listed battery tests, replace all batteries in the equipment. |
2. Charger Test – With the batteries fully charged and connected to the charger, place an ampere meter in series with the battery under charge. Verify the charging current is in accordance with the manufacturer’s recommendations for the type of battery used. In the absence of specific information, use 1/30 to 1/25 of the battery rating.
3. Discharge Test – With the battery charger disconnected, load test the batteries following the manufacturer’s recommendations. Verify the voltage level does not fall below the levels specified. Load testing can be by means of an artificial load equal to the full fire alarm load connected to the battery.
4. Load Voltage Test – With the battery charger disconnected, load test the batteries following the manufacturer’s recommendations. Verify the voltage level does not fall below the levels specified. Load testing can be by means of an artificial load equal to the full fire alarm load connected to the battery. Verify the float voltage for the entire battery is 1.42 volts per cell, nominal, under load. If possible measure cells individually. All batteries shall be capable of maintaining standby power for a minimum of 24 hours and 20 minute activation at the end of the 24 hour period.
Annually
| Sealed Lead-Acid Batteries |
| 1. Battery Replacement – Replace batteries in accordance with the recommendations of the alarm equipment manufacturer or when the recharged battery voltage or current falls below the manufacturer’s recommendations. |
2. Charger Test – With the batteries fully charged and connected to the charger, measure the voltage across the batteries with a voltmeter. Verify the voltage is 2.30 volts per cell ±0.02 volts at 77°F or as specified by the equipment manufacturer.
3. Discharge Test – With the battery charger disconnected, load test the batteries following the manufacturer’s recommendations. Verify the voltage level does not fall below the levels specified. Load testing can be by means of an artificial load equal to the full fire alarm load connected to the battery.
4. Load Voltage Test – Verify the battery performs under load, in accordance with the battery manufacturer’s specifications. All batteries shall be capable of maintaining standby power for a minimum of 24 hours and 20 minute activation at the end of the 24 hour period.
| Heat Detectors |
| 1. Inspect to ensure detectors are free of mechanical or water damage, have not been painted, are properly secured, and that altered building conditions have not reduced the effectiveness of the device. |
2. Perform heat test with a listed and labeled heat source or in accordance with the manufacturer’s published instructions. Assure that that the test method for the installed equipment does not damage the non-restorable fixed-temperature element of a combination rate-of-rise/fixed-temperature element detector.
| Smoke Detectors |
| 1. Inspect smoke detectors for obstructions that might affect operation of the detector. Verify physical condition and location of the detector. |
2. Test smoke detectors in place to ensure smoke entry into the sensing chamber and an alarm response. Use smoke or a listed and labeled product acceptable to the manufacturer or in accordance with their published instructions that ensure smoke entry from the protected area, through the vents, into the sensing chamber used.
3. Perform a functional test on all smoke alarms connected to the fire alarm system by putting the smoke alarm into an alarm condition and verifying that the fire alarm system receives a supervisory signal and does not cause a fire alarm signal.
| Duct Detectors |
| 1. Inspect detector to confirm physical condition and that detector is rigidly mounted. Confirm that no penetrations in return air duct exist in the vicinity of the detector. Confirm the detector is installed so as to sample the airstream at the proper location. Clean detector, if allowed by manufacturer, as necessary for proper operation of detector. |
2. Sampling tube – Verify proper orientation and confirm that sampling tube protrudes into the duct in accordance with system design.
3. Perform test #1 from Smoke Detectors listed above
4. Test duct smoke detectors that use sampling tubes to ensure that they will properly sample the airstream in the duct using a method acceptable to the manufacturer or in accordance with their published instructions.
5. Utilize listed control equipment or the manufacturer’s calibrated sensitivity test instrument to test that each smoke detector is within its listed and marked sensitivity range.
| Annually |
| Waterflow Switches |
| 1. Water shall be flowed through an inspector’s test connection indicating the flow of water equal to that from a single sprinkler of the smallest orifice size installed in the system for wet-pipe systems, or an alarm test bypass connection for dry-pipe, pre-action or deluge systems in accordance with NFPA 25. |
| Tamper Switches |
| 1. Visually inspect that there is no physical damage, and that covers and watertight seals are in place. |
2. Test to verify initiation and receipt of supervisory alarm per manufacturer’s instructions.
Fire Alarm System Requirements Page 1 of 5
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