Domestic sprinklers are installed within ceiling or floor voids like any other domestic plumbing system. Modern concealed fire sprinkler heads are very inconspicuous and have little or no visual impact.
There are differences between Domestic Home fire systems and Residential systems with the main difference being:
A. Domestic sprinklers are designed to deliver a smaller quantity of water than residential systems i.e. 2 sprinkler heads delivering around 100 litres of water per minute rather than 4 sprinkler heads delivering 200 litres per minute in residential.
B. Domestic fire sprinkler systems are designed to operate for a shorter period oftime which is 10 minutes rather than a Residential fire sprinkler systems requirement to deliver around 200 litres of water for 30 minutes. This amounts to around 6 times the volume of water required.
A residential system will be installed in higher risk properties like Care Homes, Hostels, or Flats in (HMO’s).
Domestic fire sprinkler systems installed to BS9251 can afford considerable relaxations to traditional AD part B passive requirements:
A Domestic or Residendtial fire sprinkler system installed to BS9251 with smoke detection provides the best domestic fire protection for the inhabitants of a building should afire develop in that property.
At Falcon Fire we design, install & commission these systems to the current British standard and are FIRAS 3rd party approved.
For a small fire sprinkler system it may be possible to connect to the existing domes c supply within the property, in which case this method is the most cost effective method of supplying water to the fire sprinkler system.
In the event that the existing supply is not suitable, an application will need to be made to the water authority for a water supply upgrade. Falcon Fire Ltd can assist in completion of this application, as the authority will want details of the flow and pressure required by the fire sprinkler system. They will then be able to determine that their water pressure is adequate and what diameter supply pipe will be required, typically 32 or 50mm.
The water authority will upgrade the supply from the town main to the boundary of the property. The pipe from this point will need to be installed by others.
This pipe will then be connected to our sprinkler system valve group, see valve groups section for further information. The water authority will require an approved check valve to be fitted close to the boundary.
The alternative to the above is to have a static water storage supply, this would normally be a bespoke tank supplied by us. However, any other water supply can be considered, from a swimming pool to a rain water harvesting tank.
The capacity of the water tank will be dependent on the sprinkler system design.
A system in a domestic property must be capable of putting water on the fire for a minimum of 10 minutes and will typically require a storage capacity of between 500 and a 1200 litres.
For a residential system the run time must be 30 minutes and will require a minimum water storage capacity of 6000 litres.
Falcon Fire Ltd can supply a range of tank sizes suitable for most locations, including triangular tanks that will fit under the eaves within the roof space.