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PORTABLE FIRE
EXTINGUISHERS
OBJECTIVES
• BY THE END OF THIS COURSE YOU SHOULD BE ABLE
TO UNDERSTAND OPERATIONAL AND MAINTENANCE
ASPECTS OF PORTABLE FIRE EXTINGUISHERS
 Purpose of fire extinguishers
 Fire and fire types
 Fire triangle
TYPE OF FIRE
1) CLASS A: THESE TYPES OF FIRE EXTINGUISHERS ARE USED IN FIRES
WHICH ARE A RESULT OF THE BURNING OF WOOD, GLASS FIBRE,
UPHOLSTERY, AND FURNISHING.
2) CLASS B: THESE FIRE EXTINGUISHERS ARE USED FOR FIRES WHICH
OCCUR FROM FLUIDS SUCH AS LUBRICATING OILS, FUELS, PAINTS,
COOKING OIL ETC
3) CLASS C: FIRES RESULTING FROM INVOLVEMENT OF ENERGIZED
ELECTRICAL EQUIPMENT SUCH AS MOTORS, SWITCHES, WIRING ETC
4) CLASS D: FIRES OCCURRING AS A RESULT OF COMBUSTIBLE
MATERIALS SUCH AS MAGNESIUM AND ALUMINIUM
5) CLASS E: THIS TYPE OF FIRE EXTINGUISHER ON A SHIP IS USED FOR
SUBSIDING FIRE RESULTING FROM ANY OF THE ABOVE-MENTIONED
TYPES OF FIRE EXTINGUISHERS
• PORTABLE TYPE
• SEMI PORTABLE TYPE
• FIXED TYPE
MAINTENANCE
• CHECK FOR LEAKAGE ETC.
• THE OPERATING MECHANISM OF THE PORTABLE FIRE EXTINGUISHERS
SHOULD BE REGULARLY CHECKED (WHERE POSSIBLE) EVERY 3 MONTHS.
• THE VENT HOLES TO BE CHECKED FOR CLEARANCE.
• ALL THE CAP THREADS SHOULD BE LIGHTLY GREASED. THERE ARE HOLES
PROVIDED IN THE SCREW ON CAPS TO RELEASE ANY EXCESS PRESSURE.
ENSURE THESE HOLES ARE CLEAR.
• THE PLUNGER SHOULD BE CHECKED FOR FREE MOVEMENT, AND ANY MISSING
OR DAMAGED PLUNGER SHOULD BE REPLACED.
• DEPENDING UPON THE TYPES OF FIRE ON BOARD SHIP, THE FLAG STATE AND
CLASS REQUIREMENT ACCORDINGLY DETERMINES THE NUMBER, TYPES, AND
LOCATIONS OF THESE PORTABLE FIRE FIGHTING EXTINGUISHERS AS PER
SOLAS.
• THE SHIP’S OFFICER MUST ENSURE ALL THE FIRE FIGHTING EQUIPMENT,
INCLUDING THE FIRE EXTINGUISHERS, ARE ALWAYS IN THE STATE OF
• CHECK ALL THE MARKINGS ON PORTABLE FIRE EXTINGUISHER ARE VISIBLE
INCLUDING THE INSPECTION DATES.
• THE RECHARGING OF THE EXTINGUISHER TO BE DONE AS PER THE
INSTRUCTION SUPPLIED BY THE MANUFACTURER ONLY.
• FOR DCP, INVERT THE EXTINGUISHER ONCE IN A WHILE TO ENSURE THE
POWDER INSIDE IT IS AGITATED.
• HYDRAULIC TESTS OF ALL THE EXTINGUISHERS WITH PROPELLENT
CARTRIDGES TO BE PERFORMED AT AN INTERVAL, NOT MORE THAN 10 YEARS
This Photo by Unknown Author is licensed under CC BY-NC-ND
THANK YOU….

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Fire fighting.pptx

  • 2. OBJECTIVES • BY THE END OF THIS COURSE YOU SHOULD BE ABLE TO UNDERSTAND OPERATIONAL AND MAINTENANCE ASPECTS OF PORTABLE FIRE EXTINGUISHERS
  • 3.  Purpose of fire extinguishers  Fire and fire types  Fire triangle
  • 4. TYPE OF FIRE 1) CLASS A: THESE TYPES OF FIRE EXTINGUISHERS ARE USED IN FIRES WHICH ARE A RESULT OF THE BURNING OF WOOD, GLASS FIBRE, UPHOLSTERY, AND FURNISHING. 2) CLASS B: THESE FIRE EXTINGUISHERS ARE USED FOR FIRES WHICH OCCUR FROM FLUIDS SUCH AS LUBRICATING OILS, FUELS, PAINTS, COOKING OIL ETC 3) CLASS C: FIRES RESULTING FROM INVOLVEMENT OF ENERGIZED ELECTRICAL EQUIPMENT SUCH AS MOTORS, SWITCHES, WIRING ETC 4) CLASS D: FIRES OCCURRING AS A RESULT OF COMBUSTIBLE MATERIALS SUCH AS MAGNESIUM AND ALUMINIUM 5) CLASS E: THIS TYPE OF FIRE EXTINGUISHER ON A SHIP IS USED FOR SUBSIDING FIRE RESULTING FROM ANY OF THE ABOVE-MENTIONED
  • 5. TYPES OF FIRE EXTINGUISHERS • PORTABLE TYPE • SEMI PORTABLE TYPE • FIXED TYPE
  • 6.
  • 7.
  • 8. MAINTENANCE • CHECK FOR LEAKAGE ETC. • THE OPERATING MECHANISM OF THE PORTABLE FIRE EXTINGUISHERS SHOULD BE REGULARLY CHECKED (WHERE POSSIBLE) EVERY 3 MONTHS. • THE VENT HOLES TO BE CHECKED FOR CLEARANCE. • ALL THE CAP THREADS SHOULD BE LIGHTLY GREASED. THERE ARE HOLES PROVIDED IN THE SCREW ON CAPS TO RELEASE ANY EXCESS PRESSURE. ENSURE THESE HOLES ARE CLEAR. • THE PLUNGER SHOULD BE CHECKED FOR FREE MOVEMENT, AND ANY MISSING OR DAMAGED PLUNGER SHOULD BE REPLACED. • DEPENDING UPON THE TYPES OF FIRE ON BOARD SHIP, THE FLAG STATE AND CLASS REQUIREMENT ACCORDINGLY DETERMINES THE NUMBER, TYPES, AND LOCATIONS OF THESE PORTABLE FIRE FIGHTING EXTINGUISHERS AS PER SOLAS. • THE SHIP’S OFFICER MUST ENSURE ALL THE FIRE FIGHTING EQUIPMENT, INCLUDING THE FIRE EXTINGUISHERS, ARE ALWAYS IN THE STATE OF
  • 9. • CHECK ALL THE MARKINGS ON PORTABLE FIRE EXTINGUISHER ARE VISIBLE INCLUDING THE INSPECTION DATES. • THE RECHARGING OF THE EXTINGUISHER TO BE DONE AS PER THE INSTRUCTION SUPPLIED BY THE MANUFACTURER ONLY. • FOR DCP, INVERT THE EXTINGUISHER ONCE IN A WHILE TO ENSURE THE POWDER INSIDE IT IS AGITATED. • HYDRAULIC TESTS OF ALL THE EXTINGUISHERS WITH PROPELLENT CARTRIDGES TO BE PERFORMED AT AN INTERVAL, NOT MORE THAN 10 YEARS
  • 10. This Photo by Unknown Author is licensed under CC BY-NC-ND
  • 11.