House Of Multiple Occupancy (HMO)
HMO’s and high-rise flats house multiple different people and families at once, increasing the headcount in one building. With so many people in a property at once, there is higher usage of electronics, more cooking being done than the average home, and can be devastating to many in the event of a fire.
The installation of a fire suppression system can ensure the property is efficiently protected in the event of a fire, to assist with the evacuation of all inhabitants of the property. With a higher chance of fire risks within HMO’s, high-rise flats and apartments, it’s vital to ensure the safety of all those inside the property.
When a fire starts in one room in a high-rise flat, it can spread across various rooms if they’re not effectively covered and destroy the lives of multiple families. The addition of a fire suppression system, such as iMist can assist with suppressing fires before they grow too large and spread. This in itself can give the residents in a block of flats time to evacuate the building and will not cause further damage to surrounded properties, through water damage.
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When do I need a fire suppression system in a HMO?
184.108.40.206 Multi-Basement Buildings
For dwellings with multiple floors below ground level, a protected stairway, and an AWFSS, 9m meters should not be exceeded for from the foot of the protected stair to any habitable room
6.4 (b) Dwelling Houses with one or more storey greater than 7.5m in height (4 storeys)
A second, separate protected stairwell is not required if AWFSS is fitted throughout.
9.1 (d) Internal Planning of Flats and Maisonettes
Flats or maisonettes with an open plan arrangement and more than one floor should have a protected stairway and AWFSS fitted. This allows escape to the shared external entrance.
9.7 Open Plan Layouts
Open planned flats are permissible with a fully fitted AWFSS
23.3 Travel Distances
If an AWFSS is fitted throughout a block of flats, then travel distances can be doubled on common escape from 7.5m to 15m and 30m to 60m.
9.3 (b) Provision of inner rooms in flats not more than 4.5m in height
Inner rooms are not suggested unless the use of an AWFSS is utilised throughout the entire building, along with a grade D LD1 Fire detections and fire alarm system in accordance with BS 5839-6:2013.
9.4.2 (a) Extended travel distances within an open-plan flat
Flats more than 4.5m above ground level that are entered on the same level can increase total travel distances to the entrances from 9m to 20m with the use of AWFSS throughout the entire building, along with a LD1 fire detection and fire alarm system in accordance with BS 5839-6:2013.
11.1 Flats where occupants are not capable of independent evacuation
It is possible to use provisions o an AWFSS where the use of the building is required for people not capable of independent evacuation (excluding common corridors and stairways). It is further possible to protect common areas (excluding common corridors and stairways) using provisions of an AWFSS where the use of the building is required for people not capable of independent evacuation.