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BS 5839-6 Domestic Fire Alarm Commissioning Certificate (Grade A)

A Domestic Fire Alarm Commissioning Certificate records the commissioning tests for a Grade A domestic fire alarm system. It covers individual device activation, sounder measurements (min 75dB in bedrooms), battery standby testing (72hr standby + 30min alarm), and mains changeover verification.

BS 5839-6:2019+A1:2020Valid: 12 months

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Sample Domestic FA Commissioning certificate

Sample BS 5839-6 Domestic Fire Alarm Commissioning Certificate (Grade A) certificate created with CertBox, showing the professional PDF layout with individual detector activation, sounder db measurements per room, 72-hour standby + 30-minute alarm test

Sample Domestic FA Commissioning with fictional data. All personal details shown are fake.

What it covers

  • Individual detector activation
  • Sounder dB measurements per room
  • 72-hour standby + 30-minute alarm test
  • Mains failure/restore changeover
  • Fault indication verification

Who needs a Domestic FA Commissioning?

Fire alarm installers
HMO landlords
Building control officers

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Frequently asked questions about Domestic FA Commissioning

What battery standby is required?
A Grade A domestic system uses a BS EN 54-4 power supply, typically sized for 72 hours standby plus 30 minutes of alarm operation on battery power alone — the same 30-minute alarm period as a commercial BS 5839-1 system, but with a longer 72-hour standby because a dwelling may be left unoccupied. (The simpler mains-powered domestic alarms — Grade D — provide 72 hours standby plus 4 minutes of alarm.)
What sounder levels are needed in bedrooms?
BS 5839-6 requires a minimum of 75dB at the bedhead with all doors closed. In general areas, the minimum is 65dB. These levels ensure sleeping occupants are woken in a fire.

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