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Does BS 5839-6 or is there a product standard for UK smoke/heat/multi sensor alarm that covers the following?

Sergio Fernandez

Does BS 5839-6 or is there a product standard for UK smoke/heat/multi sensor alarm that covers the following?


Smoke or heat or multi sensor alarm that would be specification suitable of an average UK house for a not frequently visited loft? (An unoccupied loft space/uninhabited space)
I assume that a multi sensor alarm would be the recommended to the limit the amount of false alarms.



Main points to consider and that SHOULD be included in the product standard



- Interlinking


- Dusty environment possibly thus dust suppression would be a must


- An operating temperature range in excess of -15 to 55°C

 - Remote Hush/Test button or facility



It would need to cover the following variants
Mains power only
Mains powered with battery backup up sealed
Mains powered with battery backup up user replaceable battery

Battery powered sealed
Battery powered user replaceable battery




As always please be polite and respectful in this purely academic debate.

Parents

  • BS5839, Pt6 is NOT a product standard, rather a code of practice, referenced in the Building Regs. Smoke, Heat + CO alarms

    have their own product standards.

  • in reply to Gel Jones

    BS 5446 series covers the standards

    BS 5446-1: This part specifies requirements and test methods for smoke alarms, including those that use optical, transmitted light, or ionization technologies. 

    BS 5446-2: This part defines the specifications for heat alarms, covering requirements and testing for devices intended for permanent installation in dwellings. 

    BS 5446-3: This standard focuses on alarm systems for deaf and hard-of-hearing people, specifying requirements for fire and carbon monoxide alarms and associated warning devices like visual or low-frequency sounders. 

    BS 5446-4: This part specifies requirements for multi-sensor fire alarms that use a combination of smoke, heat, and/or carbon monoxide sensors


    However does it specify the requirement for when they are in a loft?
    - Interlinking.  To allow the alert to be heard through the whole property

    - Dusty environment possible thus dust suppression would be a must

    - An operating temperature range in excess of -15 to 55°C.  Loft temperature can fluctuate massively from winter to summer in the UK
    - Remote Hush/Test button or facility.  There MAY be limited or restricted access into the loft space

    Is it possible that BS 5446 series needs to be updated to cater for the scenario of a sensor in the unoccupied/uninhabited loft space?

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  • in reply to Gel Jones

    BS 5446 series covers the standards

    BS 5446-1: This part specifies requirements and test methods for smoke alarms, including those that use optical, transmitted light, or ionization technologies. 

    BS 5446-2: This part defines the specifications for heat alarms, covering requirements and testing for devices intended for permanent installation in dwellings. 

    BS 5446-3: This standard focuses on alarm systems for deaf and hard-of-hearing people, specifying requirements for fire and carbon monoxide alarms and associated warning devices like visual or low-frequency sounders. 

    BS 5446-4: This part specifies requirements for multi-sensor fire alarms that use a combination of smoke, heat, and/or carbon monoxide sensors


    However does it specify the requirement for when they are in a loft?
    - Interlinking.  To allow the alert to be heard through the whole property

    - Dusty environment possible thus dust suppression would be a must

    - An operating temperature range in excess of -15 to 55°C.  Loft temperature can fluctuate massively from winter to summer in the UK
    - Remote Hush/Test button or facility.  There MAY be limited or restricted access into the loft space

    Is it possible that BS 5446 series needs to be updated to cater for the scenario of a sensor in the unoccupied/uninhabited loft space?

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