Service And Maintenance Requirements – Gas Fire Suppression
SANS 14520 – Gas Fire suppression
SANS 14520 specifies the requirements and give recommendations for the design, installation, testing, maintenance, and safety of gaseous firefighting systems in buildings.
Weekly
- Visually check the hazards and integrity of the enclosure for changes which may reduce the efficiency of the system.
- Check for obvious visual damage to pipework and gauges if fitted
Monthly
- Check that all personnel who may have to operate the system are properly trained and authorized to do so
Every 3 Months
- Test and service all electrical detection and alarm systems
Every 6 Months
Perform the following checks and inspections
- Externally examine pipe work to determine its condition. Replace or pressure test and repair as necessary if any corrosion or mechanical damage is found.
- Check all control valves for the correct manual function and automatic valves for correct automatic function.
- Externally examine containers for signs of damage or unauthorized modification, and for damage to hoses.
- Check the pressure of the cylinder as reflected on the cylinder gauges.
Every 12 Months
- All system hoses shall be checked for damage. Any damaged hose shall be replaced
- Determine if penetrations or other changes to the protected enclosure have occurred that could affect leakage and chemical agent gas performance.
- Weigh the cylinders to check the contents
Every 5 Years
- Pressure test hoses
Every 10 Years
- Remove the containers, pressure test, refill and reinstall
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