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How many fire extinguishers are required per square foot?

(a) Fire Extinguishers and Small Hose Lines. (1) A fire extinguisher, rated not less than 2A, shall be provided for each 3,000 square feet of the floor area, or fraction thereof. Where the floor area is less than 3,000 square feet at least one extinguisher shall be provided.

How do I calculate how many fire extinguishers I need?

Size and layout of the room: The square footage of a building and its layout will determine the number of fire extinguishers needed. For example, NFPA code states that there should be no more than 75 feet between fire extinguishers.

How many fire extinguishers are required per square foot in India?

There should be a minimum of 2 extinguishers per floor, unless the floor area is below 100m2, in which case, one extinguisher only may suffice.

How much area does a fire extinguisher cover?

As a general rule one 13A extinguisher covers 200 square meters. However, the BS 5306-8 2012 update recommends that each storey with a floor area less than or equal to 400m² should have at least 2 extinguishers, with a minimum combined fire rating of 26A.

What is the maximum distance between fire extinguishers?

75 feet

What are the 4 types of fire extinguishers?

There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Multipurpose extinguishers can be used on different types of fires and will be labeled with more than one class, like A-B, B-C or A-B-C.

What does ABC mean in fire extinguisher?

dry chem

What are the different sizes of fire extinguishers?

The size of a fire extinguisher indicates the amount of extinguishing agent it holds and is most often measured in pounds. Sizes can range from as small as 2.5 lb. to as large as 350 lb….Common fire extinguisher sizes and their approximate weight

  • 2-A:10B:C – 4 lb.
  • 3-A:40B:C – 5 lb.
  • 4-A:60B:C – 10 lb.
  • 10-A:80B:C – 20 lb.

What are the 5 classes of fire extinguishers?

When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water.

What are the 6 classes of fire?

Classes of fire

  • Class A – fires involving solid materials such as wood, paper or textiles.
  • Class B – fires involving flammable liquids such as petrol, diesel or oils.
  • Class C – fires involving gases.
  • Class D – fires involving metals.
  • Class E – fires involving live electrical apparatus. (

What are the different Colours of fire extinguishers?

What are the fire extinguisher colours?

  • Red – Water (both spray and mist)
  • Blue – Dry powder.
  • Cream – Foam.
  • Black – Carbon dioxide (CO2)
  • Yellow – Wet chemical.

What is a Class K fire extinguisher?

A Class K fire extinguisher is used on fires involving cooking media (fats, grease, and oils) in commercial cooking sites such as restaurants. Saponification takes place when alkaline mixtures, such as potassium acetate, potassium citrate, or potassium carbonate, are applied to burning cooking oil or fat.

Do you need class K fire extinguisher?

Cal OSHA mandates different distribution requirements within the building for each extinguisher class. Class A and D fire extinguishers must be supplied every 75 feet or less; Class B extinguishers every 50 feet or less; Class K extinguishers are required every 30 feet.

What color is a Class K fire extinguisher?

These extinguishers should be identified by a star containing the letter “D”, if color- coded, the star is yellow. 2.2. 5 CLASS “K” –These are fires in cooking appliances that involve combustible cooking media such as vegetable or animal oils and fats.

What is a Purple K fire extinguisher used for?

Purple-K dry chemical agent may be used to combat fires in flammable liquids, gases, and greases (Class B) including such fires when involved with energized electrical equipment (Class C).

Is Purple K hazardous?

Hazard Statements: H313 May be harmful in contact with skin. H320 Causes eye irritation H333 May be harmful if inhaled. Precautionary Statements: P101 If medical advice is needed, have product container or label at hand. P337+313 If eye irritation persists, get medical advice/attention.

Is Purple K corrosive?

Purple-K, also known as PKP, is a dry-chemical fire suppression agent and approved for use on the ramp. Purple-K is non-corrosive and works well in extreme environments.

Is Purple K safe?

Purple-K is normally non-toxic, but ingestion of large amount can cause alkalosis.

What is the chemical formula of Purple K?

Chemical Formula: MgxAly(SiO4)z. CAS No.: 8031-18-3.

What does PKP do to a fire?

A cool, light-purple flame is developed when P-K-P dry chemical contacts the fire and flame extinction is immediate. The fuel surface resists reflash longer and advance on the fire is thereby made easier.

Is PKP corrosive?

PKP is used to extinguish class B and class C fires because it is very effective against these fires. However, it is both corrosive and abrasive and should be used on class C fires only in emergencies.

What are the 2 sizes of PKP extinguisher?

PKP extinguishers come in an 18-pound and a 27-pound size. Most PKP extinguishers have a small CO2 cartridge mounted on the outside of the extinguisher shell.

Does Purple K contain Pfas?

Dry chemical products like Ansul’s Purple-K, Foray, and PLUS-Fifty can all be used to combat fires in Classes A, B, and C. These dry chemical agents have been developed to achieve optimum effectiveness, and they do not present the same PFAS human health and environmental concerns.

Is ABC fire extinguisher corrosive?

PYRO-CHEM® ABC Multipurpose Dry Chemical is a monoammonium phosphate based dry chemical containing additives that make it free-flowing and water repellent. Monoammonium phosphate is slightly acidic in the presence of moisture resulting in mild corrosive properties.

Can ABC fire extinguisher be used on all fires?

Multipurpose Extinguishers An extinguisher with an ABC rating is suitable for use with fires involving ordinary combustibles, flammable liquids and energized electrical equipment. An extinguisher that is rated for use with multiple hazards should include a symbol for each hazard type.

What is the difference between ABC fire extinguisher and DCP fire extinguisher?

ABC is an acronym for an extinguisher certified as A, B and C type fires. A is common fuels like wood, B is for flammable liquids and C is for charged electrical fires. DCP stands for dry chemical powder which is inside the extinguisher and is actual fire suppressent. Basically DCP is a type of ABC extinguisher.

How do you dispose of ABC fire extinguisher powder?


  1. Release any pressure contained in the canister by shooting a small amount into an open area.
  2. Let the canister sit for a few days, making sure the pressure has been released.
  3. Once there is no longer any pressure, dispose in a trash bag in your regular garbage.

Is fire extinguisher powder toxic to dogs?

The Department of Environmental Health and Safety at the University of Colorado/Boulder reports, “Type ABC multi-purpose fire extinguishers contain ammonium phosphate and/or ammonium sulfate powder that can be irritating to the eyes, skin and lungs.” Because the chemicals used in various fire extinguishers can be …

What to do with fire extinguisher after using it?

Fire extinguishers need to be recharged immediately after each use. Even if the extinguishing agent inside was not completely discharged, the extinguisher still needs to be serviced in order to make sure it’s ready for its next use.

What happens if you breathe in fire extinguisher powder?

Inhalation of monoammonium phosphate and sodium bicarbonate can cause mild irritation to the nose, throat, and lungs and results in symptoms like shortness of breath and coughing. Dizziness and headache are also possible. These symptoms usually resolve quickly with fresh air.