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Fire Extinguisher PowerPoint

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Student's Name Institutional Affiliation Course Date

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Discuss the five portable extinguisher classifications. Contents

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Explain the portable extinguisher rating system. Contents

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Outline the placement of portable extinguishers (including mounting requirements). Contents

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Explain fire extinguisher operation and use. Contents

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AGENDA

Review extinguisher maintenance and testing requirements. Contents

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Fire extinguishers are in integral plan of any building’s safety plans

The National Fire Protection Association requires them to made legally available in all workstations

They als o recommend use of the item in domestic households.

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CLASSES OF FIRE EXTINGUISHERS

CLASS A

CLASS B

CLASS C

CLASS D

Description and Function Are used for ordinary combustibles; wood, cloth paper

Description and Function Used to extinguish fires that have originated from a flammable liquid, gas or material

Description and Function Convenient for dealing with electrical fires from panels, wires and circuit breakers.

Description and Function Used on combustible metals

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CLASS K

Description and Function

Used for extinguishing fires made my oils, cooking fats

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CLASSES OF FIRE EXTINGUISHERS

CLASS A

CLASS B

CLASS C

CLASS D

Function May used clean agent or water mist

Function Uses clean agents and C02

Function Uses C02 or any other clean agents

Function Uses dry power as agent to suppress fire

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CLASS K

Function

Uses a wet chemical agent made of potassium

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There also exists multipurpose fire extinguishers They are enabled to a combined number of fire extinguishers For example, an ABC fire extinguisher can deal with class A,B and C fires. In busy commercial buildings, it is recommend to have different multipurpose fire extinguishers This will enable the occupants to conveniently handle the different types of fires occurring at different places (Fire Extinguishers, 2021 )

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Each of the different classes has its own unique symbol/logo The logo is meant to inform the user on the use and type of fire the extinguisher can be capable to handle Fire extinguishers can also be grouped according to type they are identified by their color, size and hose type. The major types are water, powder, wet-chemical, carbon dioxide and foam.

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Water Dioxide Wet Chemical Classn Powder -Water Mist

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Explain the portable extinguisher rating system.

The rating system for fire extinguishers is based on fire type The ABC system indicates the burning materials each extinguisher is best fit to handle The numerical system before the letters indicates the rating size for the fire. Rating are also based on the size of the material The combination of numerical and alphabet rating is described as the UL rating The UL rating completely covers class A and B:C fires.

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The ratings are an important tool in comparing the relative extinguishing effectiveness. Class C and D have no numerical ratings Class C fires can be viewed as either class A or B This is because the extinguishing material needs to be non-conductive Class D has not rating, but cannot be viewed as a multi-purpose fire extinguisher

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PORTABLE FIRE EXTINGUISHERS

RATING

Numerical rating references the extinguisher’s water holding capacity The amount of fire that it will suffocate

Have no rating Given a multi-purpose rating for use on other fires

Indicates the approximate among of a flammable material, gas the fire can extinguish in square feet

THREATS Have no rating Are not given a multipurpose rating for other fires

A

C

B

D

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Outline the placement of portable extinguishers (including mounting requirements).

Fire extinguishers increase a buildings safety when appropriately placed They are required in the following forms of occupancy; Ambulatory health care Health care, Hotel and dormitory, Industrial , Apartments, Day care Occupancies in special structures, Industrial, Educational, Assemblies, Lodging and rooming, Storage, Businesses, Mercantile, Detention and correctional, Residential board They are not mandatory in one and two-family dwellings

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There are two key metrics to determine the placement of fire extinguishers Accessibility Extinguishers should be placed in convenient locations where they are easily accessible Normal paths of travel should be provided 2. Visibility They should be easily visible across all angles If obstructions cannot be avoided, arrows, lights and signs should be used to indicate its location

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Each fire extinguisher classification has its own unique location properties Each fire extinguisher has a specified minimum and maximum distance the distances vary from each fire extinguisher class This is influenced by the nature of the potential hazard If extinguisher weighs more than 40 lb. (18.14 kg) ; Bottom must be a minimum of 102 mm from the ground Top cant exceed 1.07 m from the ground

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If extinguisher weighs less than 40 lb. (18.14 kg) ; Bottom of the extinguisher must be at least 102 mm from the ground Top of the extinguisher should not exceed 1.53 m from the ground. MOUNTING REQUIREMENTS FOR FIRE EXTINGUISHERS According to the NFPA, facilities must place the fire extinguishers securely in hangers, brackets Wall recesses are also recommended Weights of the respective extinguishers determines how high they are mounted

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Travel distance cannot exceed 22.9m To determine the minimum number of extinguishers needed, divide the total floor area by the maximum floor area to be protected per extinguisher CLASS A

Travel distance to the extinguisher cannot be more than 30 ft. to 50 ft. (9.1 m to 15.25 m), depending on the type of hazard and extinguisher rating. CLASS B

Only placed on extinguishers that have a class B and A rating A Class A, Class B, or Class A & B extinguisher gets measured to see if it conducts electricity and if it doesn’t, then it gets a Class C rating. CLASS C

Distance from a potential hazard should not exceed 22.9m CLASS D Should not be located more than 9.1 m from a potential hazard CLASS K

FIRE EXTINGUISHER PLACEMENT

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fire extinguisher operation and use.

The following steps should be used with fire extinguishers Identification of a clear exit route Helpful incase one is unable to put out fire Multiple exit options should be ensured when seeking a fire extinguisher \ 2. Stand back face the fire with back facing the identified exit Stay 6 and 8 feet away from the fire ("The PASS Method for Fire Extinguishers | Environmental Health & Safety", 2021 ).

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4. Keep an eye on things One should keep a keen eye to ensure flames don’t reignite 5. Call the fire department The local authorities should be contacted to provide additional support if required They will assert extinction of fire once inspected 6. Get to a safe place Once the fire is out, or you are unable to suffocate the fire, locate a secure place away from the fire.

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Fire Extinguisher Use

PULL Pull the pin on the fire extinguisher

SQUEEZE Squeeze  the handle or lever to discharge the extinguisher.

AIM Aim  the extinguisher nozzle on the hose low, toward the base of the fire.

SWEEP Sweep  the nozzle back and forth. Keep the fire extinguisher aimed at the base of the fire and move it from side to side until the flames are extinguished.

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USING THE FIRE EXTINGUISHER

Testing should be done before use of the fire extinguisher ("The PASS Method for Fire Extinguishers | Environmental Health & Safety", 2021)

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Review extinguisher maintenance and testing requirements.

Inspection Procedures Easiest step to ensure the extinguisher is in good working condition The inspection should be inspected during the installation date Afterwards, the inspections should be conducted monthly If installed in areas prone to more rusting, tampering and impact, inspections should done more frequent

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The inspection needs to consist of the following Ensure its location is in the designated place Ensure its easily accessible Ensure it easily visible Ensure it is full For wheeled extinguishers, ensure the wheels, carriage, tires and hose are in optimal condition Conduct push-test procedures for non-rechargeable extinguishers ("Fire Extinguisher Inspection, Testing and Maintenance", 2021) .

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Hydrostatic testing procedure Includes an internal and external examination of the extinguisher E xtinguisher is stripped down to its most basic component Hose is filled with water and pressure for some limited time Extinguisher must be dried and reassembled

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If there is any leakage, distortion or permanent moving of couplings the cylinder fails the hydrostatic test and it must be condemned.

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References

Guide to Fire Extinguisher Inspection, Testing and Maintenance . Nfpa.org. (2021). Retrieved 11 September 2021, from https://www.nfpa.org/news-and-research/publications-and-media/blogs-landing-page/nfpa-today/blog-posts/2020/10/30/guide-to-fire-extinguisher-inspection-testing-and-maintenance#:~:text=Extinguishers%20need%20to%20have%20an%20internal%20examination%20conducted%20at%20anywhere,see%20NFPA%2010%20Table%207.3. Nfpa.org. (2021). Retrieved 11 September 2021, from https://www.nfpa.org/-/media/Files/Code-or-topic-fact-sheets/FireExtinguisherFactSheet.ashx. The PASS Method for Fire Extinguishers | Environmental Health & Safety . Bu.edu. (2021). Retrieved 11 September 2021, from https://www.bu.edu/ehs/ehs-topics/fire-safety/fire-extinguisher/the-pass-method-for-fire-extinguishers/.

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The PASS Method for Fire Extinguishers | Environmental Health & Safety . Bu.edu. (2021). Retrieved 11 September 2021, from https://www.bu.edu/ehs/ehs-topics/fire-safety/fire-extinguisher/the-pass-method-for-fire-extinguishers/.