What are Class A and B fires?

What are Class A and B fires?

There are four classes of fires: Class A: Ordinary solid combustibles such as paper, wood, cloth and some plastics. Class B: Flammable liquids such as alcohol, ether, oil, gasoline and grease, which are best extinguished by smothering.

Which is an example of a Class B fire?

In fire classes, a Class B fire is a fire in flammable liquids or flammable gases, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols. For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires.

How do you stop an electric fire?

If an electrical fire starts

  1. Cut off the electricity. If the device that is causing the electrical fire is found, and you can reach the cord and outlet safely, unplug it.
  2. Add sodium bicarbonate.
  3. Remove the oxygen source.
  4. Don’t use water to put it out.
  5. Check your fire extinguisher.

What is the procedure for a fire drill?

To establish a fire drill procedure, consider following these steps.

  1. Communicate With the Local Fire Chief or Fire Marshal.
  2. Create an In-House Safety Committee.
  3. Communicate Evacuation Routes.
  4. Change Up Fire Drill Scenarios.
  5. Conduct Fire Drills Regularly.

What are the 3 things a fire needs?

Oxygen, heat, and fuel are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.

Are two phone lines required for fire alarm system?

Most fire alarm control panels (FACP) currently use two traditional phone lines to meet an older requirement of the National Fire Protection Association (NFPA) 72, National Fire Alarm and Signaling Code. With phone lines going away, changes will need to be made.

What is fire safety drill?

Fire & emergency drills shall be conducted, in accordance with the Fire Safety Plan, at least. once every three months for existing buildings during the first two years. Thereafter, fire & emergency drills shall be conducted at least once every six months.

When should you not use a fire extinguisher?

8 WAYS YOU SHOULD NOT USE A FIRE EXTINGUISHER

  • Ignoring the instructions written of the fire extinguisher.
  • Using the wrong type of extinguisher for the wrong class of fire.
  • Rushing into a fire unprepared:
  • Trying to put out a big fire using several extinguishers one at a time.
  • Aiming the extinguisher directly at a burning liquid while you are close to it.

Is a fire drill a legal requirement?

Yearly fire drills are a legal requirement for all businesses. In addition to conducting fire drills, it is also the employer’s responsibility to conduct a fire safety assessment of the premises, to inform staff about potential dangers and risks in the workplace, train staff and implement fire safety measures.

How long does a fire drill last?

5-15 minutes

How often do I need to do a fire drill?

Fire drills and training You should carry out at least one fire drill per year and record the results. You must keep the results as part of your fire safety and evacuation plan.

What are the 4 steps for using a fire extinguisher?

Select the appropriate type of fire extinguisher. Discharge the extinguisher within its effective range using the P.A.S.S. technique (pull, aim, squeeze, sweep). Back away from an extinguished fire in case it flames up again.

Why can’t you use a fire extinguisher on a person?

Proper use of fire extinguishers is generally safe; however, there is some risk for mild respiratory, skin, or eye irritation. Use in areas with poor air flow, use with intent to harm someone, or intentional inhalation of fire extinguishers can produce serious toxicity and would require medical evaluation.

Are smoke detectors required if you have sprinklers?

In general, if a business occupancy has sprinklers, it doesn’t need smoke detectors. The occupants are active, moving about and are generally aware of their surroundings. Should a fire occur, they can smell it or see smoke and will activate the manual fire alarm boxes, as well as alert others.

What buildings require a fire alarm system?

Fire alarm requirements for educational, detention, assembly, business, mercantile, storage, and industrial occupancies

  • Educational occupancies.
  • Detention and correctional occupancies.
  • Assembly occupancies.
  • Business and mercantile occupancies.
  • Storage and industrial occupancies.

What is fire drill school?

The purpose of conducting fire drills is to ensure that in the event of an actual fire-related emergency at a school building, all staff and students will know how to evacuate the school buildings in the shortest possible time and without confusion. Therefore, all building occupants must participate in each drill.

What is the legal requirement for fire alarm testing?

How often should fire alarms be tested? As well as sticking to six monthly inspections (as a minimum), you’re legally required to run weekly fire alarm tests, too – this is covered under Article 17 of the RRO.

How do you fight Class B fire?

To extinguish a Class B fire, you want to cut off the oxygen. You can use carbon dioxide gas to dilute the oxygen available and stop the burning. Smothering the fire with bicarbonate (baking soda) or potassium carbonate will also work.

How long does a fire alarm test last?

How Long Does a Fire Alarm Inspection Take? An inspection can range from 1 hour to a few days depending on the number of devices and complexity of the fire alarm system. If you have a large facility, the inspector should give you an idea of how long it will take to complete the inspection.

Can anyone install a fire alarm system?

Legally speaking, anyone can fit a fire alarm, so long as they are deemed ‘competent’, as this is what is laid out in the Regulatory Reform (Fire Safety) Order 2005. Be good at fitting fire alarms according to the Standards.

What type of fire extinguisher Cannot be used on a Class B fire?

Overview. Dry powder extinguishers are commonly known as ABC extinguishers as they can be utilized in the event of a class A, B or C fire scenario. However, this type of extinguisher should not be used in an enclosed space.

Which items can cause a Class B fire?

Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.

Can you use a fire extinguisher on any fire?

Not all fires are the same, and they are classified according to the type of fuel that is burning. If you use the wrong type of fire extinguisher on the wrong class of fire, you can, in fact, make matters worse.