How do you extinguish an incipient fire?
The P.A.S.S. Fire Extinguisher Technique
- PULL… Pull the pin. This will also break the tamper seal.
- AIM… Aim low, pointing the extinguisher nozzle (or its horn or hose) at the base of the fire.
- SQUEEZE… Squeeze the handle to release the extinguishing agent.
What steps does OSHA provide for responding to incipient stage fire?
technique (pull, aim, squeeze, sweep). Back away from an extinguished fire in case it flames up again. Evacuate immediately if the extinguisher is empty and the fire is not out. Evacuate immediately if the fire progresses beyond the incipient stage.
What do you do with an incipient fire?
An incipient fire is a flame that is still in its beginning stage. Fires in this initial stage can be extinguished or controlled by portable firefighting equipment.
What is incipient stage fire?
29 CFR 1910.155(c)(26) defines “incipient stage fire” as a fire which is in the initial or beginning stage and which can controlled or extinguished by portable fire extinguishers, class II standpipe or small hose systems without the need for protective clothing or breathing apparatus.
What are the four methods of fire extinguishment?
All fires can be extinguished by cooling, smothering, starving or by interrupting the combustion process to extinguish the fire.
How does a foam extinguisher work?
Foam extinguishers The foam extinguishes liquid fires by sealing the surface of the liquid, preventing flammable vapour reaching the air and starving the fire of fuel. They are not suitable for use on free flowing liquid fires. Foam extinguishers have a cream label.
What are fire control measures related to storage that prevent a fire from occurring or spreading?
Dispose of waste correctly and regularly – especially flammable materials. Store chemicals safely – and clean up spillages straight away. Keep fire doors closed – and ensure all fire exits are clear. Check electrical equipment and machinery often – and replace faulty items.
How do you extinguish a fire with a fire extinguisher?
Using a fire extinguisher
- Pull: Pull the pin, this will break the tamper seal.
- Aim: Aim low, pointing the nozzle or hose at the base of the fire.
- Squeeze: Squeeze the handle to release the extinguishing agent.
- Sweep: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
What are Class F fires extinguished by?
Class F fires should only be treated with a wet chemical fire extinguisher. This type has been tailored specifically to tackle fires caused by fat and oils because they contain potassium salts that work to reduce the heat and smother any oxygen feeding the fire.
What are the 4 stages of fire development?
Compartment fire development can be described as being comprised of four stages: incipient, growth, fully developed and decay (see Figure 1).
What are the three methods of fire extinguishing?
1 Cooling the Burning Material. Cooling the burning material is the most common method used to extinguish fire.
What is fire extinguishment theory?
The theory of fire extinguishment is based on removing any one or more of the four elements in the fire tetrahedron to suppress the fire. REMOVING THE HEAT. In order to remove the heat, something must be applied to the fire to absorb the heat or act as a heat exchanger.
What is an incipient stage fire?
29 CFR 1910.155 (c) (26) defines “incipient stage fire” as a fire which is in the initial or beginning stage and which can controlled or extinguished by portable fire extinguishers, class II standpipe or small hose systems without the need for protective clothing or breathing apparatus.
How do I contact OSHA about an incipient stage fire?
Clarification of incipient stage fire and interior structural fire fighting. Alert: Due to routine maintenance on the OSHA website, some pages may be temporarily unavailable. To report an emergency, file a complaint with OSHA or ask a safety and health question, call 1-800-321-6742 (OSHA).
What is OSHA’s position on the use of fire extinguishers?
It is OSHA’s position that the decision to use fire extinguishers may not be left up to the employees but must be spelled out in an emergency action plan. That plan may address incipient fires and the circumstances under which fire extinguishers may be used. Appropriate training must also be provided with respect to this item.
When is an employer exempt from fire extinguisher requirements?
When an employer has in fact established and implemented a written fire safety policy and has not provided any fire extinguishers in the workplace, he is exempted from all the requirements in 1910.157.