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Sprinkler standards

The British Standards for the design of sprinkler systems in Domestic and Residential Properties is BS 9251:2014.

This is then broken down into different categories

System category

There are 3 categories of system defined by BS 9251:2014, depending on building type, size, and number of sprinklers per room.

Category 1: Suitable for single family dwellings such as individual houses and flats, including small houses in multiple occupations (up to 2 floors and 5 lettable bedrooms). Also for systems serving all residences in blocks of flats up to 18m in height and less than 2400m2.

  • Maximum number of sprinklers per room is 2
  • Typical volume of stored water 1m3 to 1.5m3

Category 2: Suitable for blocks of flats over 18m in height, larger houses in multiple occupation, sheltered accommodation and small residential care premises (10 residents or less).

  • Maximum number of sprinklers per room is 2
  • Typical volume of stored water 3m3 to 4.5m3

Category 3: Hostels and larger residential care premises.

  • Maximum number of sprinklers per room is 4
  • Typical volume of stored water 6m3 to 9m3

Mist Sprinkler standards

The British Standards for the design of Mist sprinkler systems in domestic and residential properties is BS8458-1:2015

This would cover properties such as homes, care homes, blocks of flats.

The British Standards for the design of Mist sprinkler systems in commercial properties is BS8489-1:2016

This would cover properties such as hotels, schools, offices

All the systems designed by Amsco Fire Ltd are covered by one of these British Standards.

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