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Fire Extinguishers

Fire Extinguishers. SECTION: Tools and Equipment ISSUED: 02-2011 REVISED: ##-####. Objectives. To provide an understanding of the following Specifications Use Maintenance Safety. Pressurized Water Extinguisher. Specifications. Stainless steel shell 2A Rating 2 ½ gallons of water

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Fire Extinguishers

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  1. Fire Extinguishers SECTION: Tools and Equipment ISSUED: 02-2011 REVISED: ##-####

  2. Objectives • To provide an understanding of the following • Specifications • Use • Maintenance • Safety

  3. Pressurized Water Extinguisher

  4. Specifications • Stainless steel shell • 2A Rating • 2 ½ gallons of water • 1 to 2 oz of class A foam • 100 psi operating pressure • 45’ to 55’ discharge range • 50 second discharge time

  5. Use • Small class A fires • Ordinary combustibles

  6. Maintenance • After use • Fill 2/3 with water • Fill to bottom of white internal sleeve • Add 1-2 oz. of class A foam • Pressurize to 100 psi via Schrader valve • Inspected annually by certified company • Hydrostatically tested every 5 years at 200 psi

  7. Dry Chemical Extinguisher

  8. Specifications • Steel shell • 20A:120BC rating • Mono-Ammonium Phosphate base chemical • Pressurized to 195 psi • 20 lbs of extinguishing agent • Discharge Range – 15’-25’

  9. Use • Class A fires • Ordinary combustibles • Class B fires • Gasoline, diesel, alcohols, ect. • Effective up to 120 square feet • Based on a non expert use • Class C fires • Does not conduct electricity

  10. Maintenance • Serviced by certified company • Inspected annually by certified company • Hydrostatically tested every 5 years at 585 psi • Shake monthly to avoid caking

  11. Carbon Dioxide Extinguisher

  12. Specifications • Aluminum shell • 10B:C rating • Carbon Dioxide • 1800 psi operating pressure • 15 lbs extinguishing agent • 39 lbs gross weight • Discharge range – 3’-8’

  13. Use • Class B fires • Gasoline, diesel, alcohols, ect. • Class C fires • Does not conduct electricity

  14. Maintenance • Serviced by a certified company • 10% loss in gross weight requires service • Inspected annually by certified company • Hydrostatically tested every 5 years at 3000 psi

  15. General Maintenance of Extinguishers • Inspect extinguisher daily • Check for leaks, dents, and corrosion • Check condition of hose and nozzle • Ensure valve assembly is tight • Ensure extinguisher is full • Ensure extinguisher is fully pressurized • Ensure annual inspection date is current • Ensure hydrostatic test date is current

  16. Safety • Use appropriate PPE • Know extinguisher’s limitations • Use appropriate extinguisher for specific class of fire • CO2 is a simple asphyxiate • Hoisting extinguishers is not recommended

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