Learning Objective 3 7 2 Fire extinguishers are rated according to performance capability 7 3 Cont Fire extinguishers are rated according to performance capability 7 4 Fire extinguishers rated for multiple classes of fire are identified by a combination of letters ID: 615980
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Define the ratings in a portable fire extinguisher rating system.
Learning Objective 3
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Fire extinguishers are rated according to performance capability.
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(Cont.)Slide4
Fire extinguishers are rated according to performance capability.
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Fire extinguishers rated for multiple classes of fire are identified by a combination of letters.
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Fire extinguishers are identified by colored geometric shapes or pictographs.
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REVIEW QUESTION
How are the ratings used for portable fire extinguishers determined?
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Explain the considerations taken when selecting and using portable fire extinguishers.
Learning Objective 4
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Fire extinguishers are chosen to achieve two main goals.
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Consider several factors when selecting the proper fire extinguisher.
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Use clean agent or CO
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extinguishers in areas with computer equipment.
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Dry chemicals can be damagingSlide12
Operating procedures for all fire extinguishers are similar, but be familiar with label instructions.
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Courtesy of Ansul Corp.Slide13
Note
Wear full structural or wildland fire fighting personal protective equipment including appropriate respiratory protection when operating any portable fire extinguisher. Even small incipient fires will produce toxic gases that can injure you.
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After you select the extinguisher make a quick visual inspection.
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Follow these general steps for using fire extinguishers.
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(Cont.)Slide16
Follow these general steps for using fire extinguishers.
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If not extinguished after full discharge, withdraw and reassess
If solid fuel, use appropriate tool to overhaul
If liquid fuel, appropriate foam may be necessary Slide17
Remember the following considerations when using extinguishers.
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REVIEW QUESTION
When using a portable fire extinguisher, how can you determine the best way to use it?
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Identify procedures used for the inspection, care, and maintenance of portable fire extinguishers.
Learning Objective 5
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Inspection, care, and maintenance of extinguishers are mandated by a number of organizations.
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NFPA
®
10 requires at least an annual inspection; local SOPs establish policy.
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Follow these general procedures for every extinguisher inspection.
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(Cont.)Slide23
Follow these general procedures for every extinguisher inspection.
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Follow these steps if any extinguishers are found to be deficient.
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Follow these general guidelines when caring for extinguishers.
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(Cont.)Slide26
Follow these general guidelines when caring for extinguishers.
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Clean extinguishers periodically and after every use.
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Extinguishers should be removed from service for annual maintenance.
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CAUTION!
Never attempt to repair the shell or cylinder of a defective fire extinguisher. Contact the manufacturer for instructions on where to have it repaired or replaced.
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REVIEW QUESTION
What are the basic procedures for the care and maintenance of portable fire extinguishers?
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Portable fire extinguishers can control or extinguish small incipient or early growth stage fires quickly in the hands of trained personnel; you must be familiar with their characteristics and be able to select and use them properly.
Summary
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(Cont.)Slide32
Not only should you be familiar with their characteristics and be able to select and use them properly, you must also be able to educate the public.
Inspecting, caring for, maintaining extinguishers assigned to your apparatus and facility are also important skills for you to have.
Summary
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