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NFPA 10 Changes & Extinguisher Maintenance PowerPoint PPT Presentation


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NFPA 10 Changes & Extinguisher Maintenance. Definitions: Clean agent Maintenance 30 day inspections. NFPA 10 Changes & Extinguisher Maintenance. Pressurized Fires Liquids Forced Pumped Sprayed. NFPA 10 Changes & Extinguisher Maintenance. 1984: Replace at next 6-year hydrostatic test

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NFPA 10 Changes & Extinguisher Maintenance

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NFPA 10 Changes & Extinguisher Maintenance

  • Definitions:

    • Clean agent

    • Maintenance

    • 30 day inspections


NFPA 10 Changes & Extinguisher Maintenance

  • Pressurized Fires

    • Liquids

    • Forced

    • Pumped

    • Sprayed


NFPA 10 Changes & Extinguisher Maintenance

  • 1984:

    • Replace at next 6-year hydrostatic test

    • Does not apply to wheeled units

    • Fixed nozzle


NFPA 10 Changes & Extinguisher Maintenance

  • Operating Instruction/Identification

    • Pictographic

    • Easier to identify

    • Standardized throughout the industry


NFPA 10 Changes & Extinguisher Maintenance

  • Certified personnel

    • Factory trained

    • Certified by AHJ

    • Licensing


NFPA 10 Changes & Extinguisher Maintenance

  • Maintenance Procedures:

    • Physical condition

    • Mechanical parts

    • Hoses on wheeled units


NFPA 10 Changes & Extinguisher Maintenance

  • Maintenance Procedures

    • Rechargeable stored pressure dry chemical hand portable extinguishers


NFPA 10 Changes & Extinguisher Maintenance

After today’s presentation ask yourself

Are we using the right

fire extinguisher?

Will it put out our fires?

Are we keeping SAFETY

our #1 priority?


NFPA 10 Changes & Extinguisher Maintenance


NFPA 10 Changes & Extinguisher Maintenance

Combustible Metals – ease of ignition of thin sections, fine particles, or molten metal


NFPA 10 Changes & Extinguisher Maintenance

  • Form of metal affects combustibility

  • Castings, blocks, billets, extrusions, etc. will not react or burn easily

  • Turnings & shavings will react more easily to water & ignition source

  • Powders may react to moist air, burn easily, even explode if airborne

  • The more finely divided, the easier to ignite


NFPA 10 Changes & Extinguisher Maintenance

  • Heat from grinding, machining, sparks, or other burning fuels usually causes ignition in these metals

  • Most metals burn at very high temperatures

  • Relative slow progression of fire compared to Class “B” – closer to Class “A” rate

  • Toxic/caustic fumes

  • Once ignited most metals will react violently with water


NFPA 10 Changes & Extinguisher Maintenance

  • Other fire considerations

  • Magnesium melts as it burns & may form puddles of molten magnesium – explosion hazards with water

  • Alkali metals react violently with halons

  • Detonation can occur in reaction between potassium and bromine in halons

  • Lithium will burn in nitrogen

  • Lithium fumes are more profuse & dense


NFPA 10 Changes & Extinguisher Maintenance

Magnesium Chips

MET-L-X


NFPA 10 Changes & Extinguisher Maintenance

Magnesium Chips

Water


NFPA 10 Changes & Extinguisher Maintenance

Sodium Bar

MET-L-X


NFPA 10 Changes & Extinguisher Maintenance

Sodium Bar

Water


NFPA 10 Changes & Extinguisher Maintenance

  • NFPA Standards:

  • 480 - storage, handling, processing - magnesium

  • 481 - storage, handling, processing - titanium

  • 482 - storage, handling, processing - zirconium

  • 484 - combustible metals, metal powders, metal dusts

  • 654 - prevention of fire & dust explosions – mfg, processing, handling

  • NFPA Fire Protection Handbook – Latest edition 2008

  • Material Safety Data Sheets (MSDS) from suppliers of metals


NFPA 10 Changes & Extinguisher Maintenance

Please join us at the Simulator to test your skills on putting out flammable liquid fires


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