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Toolbox Talks – Fire In The Workplace

Welcome everyone to today’s Toolbox Talks topic on “Fire in the Workplace”. Fire is a dangerous and destructive force that can cause serious harm to people and property. It is important for all employees to understand the basics of fire and how to prevent and respond to it in the workplace. In this talk, we will discuss the fire triangle, ignition sources, types of fuel, and the fire tetrahedron.

Fire in the Workplace


  • Fire is the process of rapid oxidation at high temperatures. This releases hot gases, light, and invisible forms of radiation energy.
  • Most people use the words fire and combustion interchangeably. Fire is a byproduct of a rapid combustion reaction.
  • Combustion is define as the self-sustaining process of rapid oxidation of combustible material (fuel), producing heat and light.
  • Oxidation is the process of oxygen chemically combining with another material.


The Fire Triangle

hot work general

The fire triangle is a fundamental concept in fire science that explains the three elements required for a fire to occur – heat, fuel, and an oxidizing agent, usually oxygen. When these elements are present in the right mixture, a fire can start and spread quickly. To prevent or extinguish a fire, one of these elements must be removed.

Ignition Sources

Ignition sources are sources of heat that can trigger a fire. They can be electrical, chemical, thermal, or even radioactive. Some common ignition sources in the workplace include electrical equipment, hot surfaces, welding equipment, and smoking materials. It is important to be aware of potential ignition sources in the workplace and to take steps to reduce the risk of fire.

Fuel Can Be:

Fuel is any material that can burn and provide energy for a fire. It can be solid, liquid, or gas. Some common types of fuel in the workplace include wood, paper, chemicals, and flammable liquids. It is important to handle and store these materials properly to reduce the risk of fire.


  • The fuel air mixture must be right
  • People need 19.5 % to live
  • Fire needs only 16 %

The Fire Tetrahedron

For many years the concept of fire symbolizes by the Triangle of fuel, heat, and oxygen. fire research added a fourth element “chemical chain reaction” .chemical chain reaction is a necessary component of fire. The fire triangle changed to a fire tetrahedron to reflect this fourth element. A tetrahedron can be described as a pyramid which is a solid having four plane faces. Essentially all four elements must be present for fire to occur, fuel, heat, oxygen, and a chemical chain reaction. if you remove any of this essential element then you will see fire being extinguished

Fire Tetrahedron

Preventing Fire in the Workplace

Preventing fires in the workplace is everyone’s responsibility. Here are some tips to help reduce the risk of fire:

  1. Keep work areas clean and free of clutter
  2. Properly store and handle flammable materials
  3. Ensure electrical equipment is in good condition and used properly
  4. Prohibit smoking in areas where flammable materials are present
  5. Have a fire evacuation plan in place and practice it regularly

Responding to Fire in the Workplace

In the event of a fire, it is important to know how to respond quickly and safely. Here are some steps to follow:

  1. Alert others in the area and activate the fire alarm
  2. Use a fire extinguisher if the fire is small and you are trained to use it
  3. Evacuate the area and proceed to the designated meeting point
  4. Do not attempt to fight a large or spreading fire
  5. Wait for emergency responders to arrive and follow their instructions


Fire is a serious hazard in the workplace and can cause significant harm to people and property. It is important to understand the basics of fire and how to prevent and respond to it. By following safety procedures and being aware of potential fire hazards, we can help ensure a safe and secure workplace for everyone.

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