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Lesson 12 DRRR.pptx

  1. Chapter 8: Fire Hazards
  2. It includes all types of live flames, causes of sparks, hot objects, and chemicals that are potential for ignition. It includes all types of potential threats to fire prevention practices, fire fighting, built-in fire safety systems and situations that restrict the escape of people from an affected building. Chapter 8: Fire Hazards – SHS Grade 12
  3. 1. All types of flames used for any work Chapter 8: Fire Hazards – SHS Grade 12 Common Fire Hazards 2. Electric wires, higher loads, loose connections and old electrical equipment. 3. All cooking and heat generating appliances 4. All works and situations where fire is essential such as welding, cutting, metal casting etc.
  4. Chapter 8: Fire Hazards – SHS Grade 12 Common Fire Hazards 5) Improper storage of tools, equipment and items during and at the end of the day’s work. 6. Smoking and personal lighters and matches. 7. Fireworks, pyro-techniques, ammunitions and explosives. 8. Improper and unauthorized storage of flammable and hazardous materials and chemicals especially the flammable ones.
  5. Chapter 8: Fire Hazards – SHS Grade 12 Common Fire Hazards 9. Insufficient capacity and numbers of emergency exits and stairs. 10. Hindrance to sight or reach fighting equipment, markings and alarm system. 11. Insufficient numbers and types of fire extinguishers 12. Absence of fire detection and alarm system 13. Violation of building and fire codes.
  6. Chapter 8: Fire Hazards – SHS Grade 12 Elements of the Fire Triangle Fire triangle or combustion triangle is a simple model for understanding the necessary ingredients for most fires. Heat, fuel and an oxidizing agent A fire naturally occurs when the elements are present and combined in the right mixture, meaning that the fire is actually an event rather than a thing.
  7. Chapter 8: Fire Hazards – SHS Grade 12 Top Causes of Fire Cooking equipment is the leading cause of home structure fires and home fire injuries. Smoking is the leading cause of civilian fire deaths. Heating equipment is the second most common cause of home fire fatalities.
  8. Chapter 8: Fire Hazards – SHS Grade 12 Kitchen Stoves When left unattended . Electric cords, curtains, tea towels and even cloths are so close to the stove top. When long flowing sleeves are contacting gas flames
  9. Chapter 8: Fire Hazards – SHS Grade 12 Faulty Wiring Capacity overload If installation was not done by qualified electrician If safety switches and correct fuses were not installed Smoking in Bed Smoking in bed can cause fire – tiny embers can smolder unnoticed and burst into flame much later.
  10. Chapter 8: Fire Hazards – SHS Grade 12 Lighting Poor light fittings can cause heat build up Lampshades are so close to light globes and lamp bases that can be knocked over easily. Recessed down lights are not properly insulated from wood paneling or ceiling timbers.
  11. Chapter 8: Fire Hazards – SHS Grade 12 Flammable Liquids When flammable liquids such as petrol, kerosene, methylated spirits are not stored properly. Storage should be away from heat. Unsafe handling and use of flammable liquids is a potential fire hazard
  12. Chapter 8: Fire Hazards – SHS Grade 12 Candles When candles are left unattended. Do not sleep with a burning candle. When curtains and other flammable items are close to burning candles.
  13. Chapter 8: Fire Hazards – SHS Grade 12 Children When children are playing with fire. Keep all matches, lighters and candles out of reach of small children Children are not well oriented about fire hazards and fire safety.
  14. Chapter 8: Fire Hazards – SHS Grade 12 Basic Response Procedures during a Fire Incident R – Rescue: Rescue people from the immediate area of smoke and/or fire. Make people aware that there is a fire alarm activation or actual fire within the building. A - Alarm: Activate the nearest fire alarm station. When telephone is available, call the Police or Fire Department hotlines. Provide your name, exact location of emergency, telephone number from which you are calling and type of emergency you are reporting.
  15. Chapter 8: Fire Hazards – SHS Grade 12 Basic Response Procedures during a Fire Incident C – Contain: Contain the smoke or fire by closing all windows and doors to rooms, stairways and corridors. E - Extinguish: Extinguish the fire using the appropriate fire extinguisher for the type of fire being fought. This is to control fire and smoke from spreading .
  16. Chapter 8: Fire Hazards – SHS Grade 12 Basic Response Procedures during a Fire Incident Remarks: Only attempt to fight the fire if you are comfortable using a fire extinguisher and the fire is small, contained, and not spreading beyond the immediate area. R - Relocate: Relocate to safe area. When inside building, relocate outside of the building and away from the main entrance. Do not use elevators, within the building as a means of exit. Use the stairways, only.
  17. Chapter 8: Fire Hazards – SHS Grade 12 Basic Response Procedures during a Fire Incident S - Secure: Secure first important documents, money and heirlooms when fire brakes out inside your own residence. These things are easier to take as you go out from the house than the appliances which can be replaced easily.
  18. Chapter 8: Fire Hazards – SHS Grade 12 Fire Emergency and Evacuation Plan is a written document which includes the action to be taken by all staff in the event of fire and the arrangements for calling the fire brigade. salient components:  Fire evacuation strategy  Action on discovering a fire  Action on hearing the fire alarm
  19. Chapter 8: Fire Hazards – SHS Grade 12 Fire Emergency and Evacuation Plan salient components:  Calling the fire brigade  Power/process isolation  Identification of key escape routes  Fire marshals  Places of assembly and roll call
  20. Chapter 8: Fire Hazards – SHS Grade 12 Fire Emergency and Evacuation Plan salient components:  Fire fighting equipment provided  Training required  Personal Emergence Evacuation Plan  Liaison with emergency services
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