Residential Sprinkler Systems

Sprinklers Save Lives

Fire is devastating and can rip through a building at frightening speed. However, you can provide 24/7 protection by installing a residential sprinkler system that can stop a fire as soon as it breaks out. 

If a fire breaks out hot air and gases rise to the ceiling and upon reaching the nearest sprinkler head will heat the seal on the waterway.

The cap on the sprinkler head will fall away and the system will be activated, spraying water over the fire to extinguish the flames.

The water will immediately cool the hot gases and therefore prevent other sprinklers activating.

Multiple heads will only activate if hot gases reach the next nearest unit, limiting water damage to the premises.

Responding fire fighters will only shut off the system once they are sure that the fire is completely out.

The number of nozzles required is dependent upon the size of the room in which they are installed.

An average-sized room will only need one sprinkler which works by breaking up the stream of water into a fine spray.

In larger buildings, such as warehouses, factories or large open plan offices, more than one sprinkler may be necessary. In residential settings, there is less likelihood of more than one sprinkler being activated.

Residential Sprinkler Systems

BS:9251 defines a residential premises and includes a dwelling of multiple occupancies such as:

  • Apartments (including common areas)
  • Residential care homes
  • Dormitories and Houses of Multiple Occupancy (HMOs)

In such premises, systems are designed to operate a maximum of 4 heads simultaneously in any one room for a minimum of 30 minutes.

The Systems pipe size will normally range from 54mm to 22mm with an incoming water service pipe of 63mm.

Installed using copper press fit or C-PVC, no heat or naked flame is required which eliminates the risk of a fire and significantly reduces installation time.

All our residential systems use WRAS (Water Regulations Advisory Scheme) approved components and, in accordance with local water authority by-laws, have a check valve installed as standard.

If a sprinkler system is to be installed in a nursing or residential care home, it may require a 440v three phase supply with U.P.S. (Uninterruptible Power Supply) depending on pump demand. Some higher hazard projects such as `life safety’ systems may even require a stand by pump.

The Benefits

Where a sprinkler system has been installed:

Fire deaths have been almost eliminated
Fire injuries reduced by 80%
Significant improvement in firefighter safety achieved
Property damage reduced by over 80%
Reduction in the environmental impact of fire
Reduction to the economic cost of fire

Business Case for Sprinklers – Chief Fire Officers Association

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