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NFPA 10 Changes & Extinguisher Maintenance Definitions: – Clean agent – Maintenance – 30 day...
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Transcript of NFPA 10 Changes & Extinguisher Maintenance Definitions: – Clean agent – Maintenance – 30 day...
NFPA 10 Changes & Extinguisher Maintenance
Definitions:– Clean agent– Maintenance– 30 day inspections
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
NFPA 10 Changes & Extinguisher Maintenance