Week 3: Fire and Safety Memories



Fire Warning Sign

 Fire Safety and Emergencies                                                       
 An understanding of typical fire classifications

Looking into SIX classes of fires

1. CLASS A: Common Combustibles
2. CLASS B: Flammable Liquids
3. CLASS C: Gases 
4. CLASS D: Combustible Chemicals and Metals
5. CLASS E:  Electrical 
6. CLASS F:  Cooking Oil or Fat  

Commbustibles involving different fires and fire extiguisher types for each fire class.

1. Class A: Are fires that use either paper,wood, textiles or plastics while burning.Water is best to fight these fires. 
2. Class B: Are  use flammable products such as oil,petrol,kerosene,alcohol,paints and paint thinners or solvents.Foam or H2O extinguishers are use for these fires.
3. Class C: Are fires involving gases such as LPG,butane,acetylene,hydrogen, natural gas or methane.Dry chemicals or vaporising liquid extinguishers are used.
4. Class D:   Are fires involving chemicals/metals such as potassium,sodium,lithium,aluminium or magnesium.These fires need dry chemical extinguishers to put them out.
5. Class E:  Are fires involving electricity/electrical equipment like motor,generators,computers.lights,plugs or switches and cables use dry chemical CO2 or vaporising extinguishers.
6. Class F: Are fires fulled by cooking oil or fat use wet or dry chemical or CO2 extinguishers for this type of fire.

  Important to remember evacuation and security procedures to follow any of these classes of fires.