BS 5306 Main Points to Consider
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1) Training in the Use of Extinguishers
According to Section 4.5 of BS 5306-8, the Competent Person must inform the Responsible Person about the legal requirement for training in the use of fire extinguishers.
Here is an example of correct use of an extinguisher:
2) Empty Buildings
The Responsible Person or Competent Person should assess the provision of extinguishers in unoccupied buildings or parts thereof.
3) Extinguisher Signs
The position and type of extinguishers should be indicated on a sign. If an extinguisher is removed, this can be identified during a safety inspection, and a replacement can be ordered. If an extinguisher is not visible, it should be indicated by a location sign.
4) The Environment
Section 4.2 of BS 5306 states that the impact of the discharge of the extinguisher medium should be taken into account.
5) Avoidance of Multiplicity of Types
To avoid confusion, all extinguishers installed on any one storey of a building or single occupancy should have the same method of operation and, if intended for the same function, should all be similar in shape, appearance, and colour.
6) Electrical Cover
Only non-conductive media, such as powder, carbon dioxide, or other clean agents, should be specified for use on electrical equipment.
7) Fire Ratings
Section 5.2 of BS 5306 directs the Competent Person to consider discharge times and ranges of extinguishers, not just fire ratings. Extinguishers to BS5423 (old extinguishers coloured blue, black, and cream) must be in a serviceable condition and have a fire rating.
8) Commissioning and Maintenance
All extinguishers should be commissioned, inspected, tested, and maintained by a competent person in accordance with BS 5306-3.
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9) Use of Powder Extinguishers
The discharge of a powder extinguisher within buildings can cause a sudden reduction in visibility and impair breathing, which could jeopardize escape or rescue actions. Therefore, powder extinguishers should generally not be specified for use indoors unless mitigated by a health and safety risk assessment.
As one expert noted, “Discharging one indoors (other than in warehouses or similar open spaces) creates problems with vision and is harmful to inhale, especially for those with respiratory conditions (e.g., asthma). Even healthy individuals may cough and splutter. Additionally, the secondary damage potential is severe, as Mono-ammonium Phosphate is acidic and can lead to accelerated corrosion in metal and severe damage to sensitive electronics.”
10) Positioning of Extinguishers
Extinguishers should be readily available for immediate use at all times and located:
- In conspicuous positions on brackets, floor stands, or within cabinets;
- Where they will be easily seen by individuals following an escape route;
- Near room exits, corridors, stairways, lobbies, and landings;
- In similar positions on each floor, where floors are of similar appearance.
Extinguishers should not be located where they could be obstructed or hidden.