1.2 Fire and Fire Fighting

• Causes of fire in a metal workshop
• The fire triangle: fuel, heat and oxygen
• Classes of fire A, B, C and D as outlined in OSHA
• Methods of extinguishing different classes of fire in a metal workshop
• Firefighting equipment and fire extinguishers used in a metal workshop
• Selecting an appropriate fire extinguisher for a given class of fire
• Fire drills and evacuation procedures in a metal workshop
• Fire safety measures in a metal workshop

• describe the classes of fire as outlined in the Occupational Safety and Health Act (OSHA)
• examine the various firefighting techniques used in extinguishing fires in a metal workshop
• perform fire drills and firefighting in a metal workshop
• appreciate the importance of fire safety in a metal workshop

“What is the importance of firefighting equipment in a workshop?”

“How do you select an appropriate fire extinguisher in a metal workshop?”

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1. Fire and fire safety in the metal workshop
   40 min · 1 practice tasks · quiz
   Introduce fire and fire safety in a metal workshop and the two key inquiry questions.
2. The fire triangle
   40 min · 1 practice tasks · quiz
   Explain the fire triangle and how removing any one side puts out a fire.
3. Causes of fire in a metal workshop
   40 min · 1 practice tasks · quiz
   Identify the common causes of fire in a metal workshop and how to prevent them.
4. Classes of fire
   40 min · 1 practice tasks · quiz
   Describe classes A, B, C and D of fire as outlined in OSHA.
5. Class A and Class B fires
   40 min · 1 practice tasks · quiz
   Examine Class A and Class B fires and the safest way to put them out.
6. Class C and Class D fires
   40 min · 1 practice tasks · quiz
   Examine Class C and Class D fires and why water is never used on them.
7. Methods of extinguishing fire
   40 min · 1 practice tasks · quiz
   Explain the four methods of putting out fire: cooling, starvation, smothering and chemical inhibition.
8. Extinguishing agents
   40 min · 1 practice tasks · quiz
   Describe the common extinguishing agents and match each to the classes of fire.
9. Parts of a fire extinguisher
   40 min · 1 practice tasks · quiz
   Identify the parts of a fire extinguisher and how to check it is ready for use.
10. Selecting an appropriate fire extinguisher
    40 min · 1 practice tasks · quiz
    Select the correct fire extinguisher for a given class of fire in a metal workshop.
11. Firefighting equipment in the workshop
    40 min · 1 practice tasks · quiz
    Describe the firefighting equipment found in a metal workshop and its importance.
12. Fire prevention and safety measures
    40 min · 1 practice tasks · quiz
    Explain how fire is prevented in a metal workshop and the safety measures used.
13. Fire drills and evacuation
    40 min · 1 practice tasks · quiz
    Describe how to carry out a fire drill and evacuate a metal workshop safely.
14. Firefighting techniques and fire safety appreciation
    40 min · 1 practice tasks · quiz
    Use the PASS method to fight a small fire and appreciate the importance of fire safety.