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DCC FIR 204 Fire Protection Systems

DCC FIR 204 Fire Protection Systems. Chapter 2- Portable Fire Extinguishers. BLOOD DRIVE. Today, Tuesday, 9/5 1:30-6:30 Arlington HQ, 11 Burnett Blvd. Name: Date. Hazard class:. 100’. 25’. 20’ 20’ 10’. 50’.

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DCC FIR 204 Fire Protection Systems

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  1. DCC FIR 204Fire Protection Systems • Chapter 2- Portable Fire Extinguishers DCC FIRE PROTECTION SYSTEMS

  2. BLOOD DRIVE • Today, Tuesday, 9/5 • 1:30-6:30 • Arlington HQ, 11 Burnett Blvd. DCC FIRE PROTECTION SYSTEMS

  3. Name: Date Hazard class: 100’ 25’ 20’ 20’ 10’ 50’ 17’ 16’ 30’ 10’ 25’ 33 ’ 34’ 33’

  4. HOMEWORK EXAMPLE FORMAT DCC FIRE PROTECTION SYSTEMS

  5. Why Must Firefighters be Knowledgeable in Fire Extinguishers????? • They use them • They inspect them • They may service them • Pub Ed- they are viewed as the “experts” DCC FIRE PROTECTION SYSTEMS

  6. The purpose of a fire extinguisher • is to enable a person with minimal training and orientation to extinguish an incipient fire DCC FIRE PROTECTION SYSTEMS

  7. General Rules of Fire Extinguishers for the Public • Only attempt to extinguish a fire that can be controlled in 10-15 seconds. • Always notify 911 BEFORE you use an extinguisher. • Use the proper type extinguisher; ABC is the best type to get • Always have an escape route planned • Never turn your back on a fire, even if you think it’s out. DCC FIRE PROTECTION SYSTEMS

  8. WHERE SHOULD THEY INSTALL THEM? • Locate near exits, so after they grab it, they still have the option to bail out. • In plain view • High enough kids can’t get the but low enough that those who would grab them can do so quickly. • At least 1 per floor • Check it at least monthly • Ensure the entire family knows about them and when/when not to use them. DCC FIRE PROTECTION SYSTEMS

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  10. The first version of the modern fire extinguisher was invented in the United Kingdom by Captain George Manby in 1816, consisting of a copper vessel of 3 gallons (13.6 liters) of pearl ash (potassium carbonate)solution under compressed air pressure. DCC FIRE PROTECTION SYSTEMS

  11. SODA ACID EXTINGUISHER • The late 19th century saw the invention of the Soda-Acid extinguisher • A cylinder contained 1 or 2 gallons of water that had sodium bicarbonate mixed in it. • Suspended in the cylinder was a phial containing concentrated sulphuric acid. • Activating the extinguisher by striking a plunger to break the phial, or inverting the extinguisher to release a lead bung from the phial (depending on type), released the acid which mixed with the bicarbonate solution to generate carbon dioxide gas that expelled the water under pressure through a nozzle or short length of hose. DCC FIRE PROTECTION SYSTEMS

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  13. DRY CHEMCIALS • Effective due to their coating ability • But this can be a detriment in some electronic equipment DCC FIRE PROTECTION SYSTEMS

  14. 3 types of dry chemical extinguishers (overview) REGULAR DRY CHEMCIAL AGENTS • Sodium bicarbonate based • Potassium based • Multi purpose dry chemical DCC FIRE PROTECTION SYSTEMS

  15. SODIUM BICARBONATE BASED • Similar to baking soda • Class B & C DCC FIRE PROTECTION SYSTEMS

  16. POTASSIUM BASED • Class B&C • More effective than sodium bicarbonate based DCC FIRE PROTECTION SYSTEMS

  17. MULTI PURPOSE DRY CHEMICAL • Class A,B,&C • Monoammonium phosphate DCC FIRE PROTECTION SYSTEMS

  18. Inexpensive kitchen fire extinguisher (B-C) • Take old 1 lb coffee can • Perforate edge of bottom with can opener. • Place plastic top on bottom; turn over • Fill with baking soda • Put another plastic top on can • Label the can DCC FIRE PROTECTION SYSTEMS

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  22. http://www.armhammer.com/basics/magic/#9 • Download their can label Thanks to Arm & Hammer DCC FIRE PROTECTION SYSTEMS

  23. In event of fire • Call 911 • If practical, use “coffee can” fire extinguisher • Turn can over so bottom is now on top • Remove plastic top, shake can over fire until extinguished. DCC FIRE PROTECTION SYSTEMS

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  25. HALON • Introduced in 70’s • Stops chemical chain reaction • Originally thought to be totally safe • Then discovered it turns into phosgene gas when heated to 750*f • Then discovered to harm the ozone layer • Montreal protocol • Signed 1987 • Fully effective 2000 DCC FIRE PROTECTION SYSTEMS

  26. HALONTRONSAFE REPLACEMENT FOR HALON • 11 lb Halotron I Fire Extinguisher1-A:10-B:C rating • Halotron I is an ozone-friendly replacement for Halon 1211 DCC FIRE PROTECTION SYSTEMS

  27. Carbon Tetrachloride Extinguishers DCC FIRE PROTECTION SYSTEMS

  28. REALITY CHECK • Fire Extinguishers can explode when heated!!!!!! • Fire Extinguishers can fail when not properly secured DCC FIRE PROTECTION SYSTEMS

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  38. Reality Check • Using the wrong extinguisher or using the right one the wrong way can be worse than not using one at all!!!!! DCC FIRE PROTECTION SYSTEMS

  39. FIRE EXTINGUISHERS • Are part of a total system • Prevention • Incipient stage fire • 911 • Fire Department Response • Small fire • Remote fire • Overhaul • ***FDNY-Truck Company DCC FIRE PROTECTION SYSTEMS

  40. EXTINGUISHERS INSPECTION • Overall well being • Is it full? • Any damage • Tank • Hose • Gage • Within hydrostatic test date? • Pin and tie in place • Inspection sticker present and up to date • Bracket- workable? • Bottom Line; Is it ready to be used? DCC FIRE PROTECTION SYSTEMS

  41. EXTINGUISHER PLACEMENT • 1-5.1 Light (low) Hazard: minor amount of Class A combustibles • Offices • Classrooms • Hotel/motel rooms • This classification anticipates that the majority of contents are either non combustible or arranged so that a fire is not likely to spread DCC FIRE PROTECTION SYSTEMS

  42. EXTINGUISHER PLACEMENT • 1-5.2Ordinary (moderate) Hazard: Total amounts of Class A&B combustibles/flammables is present in greater amounts that a Light Hazard Area: • Dining areas • Mercantile shops • Allied storage • Light manufacturing • Auto showrooms DCC FIRE PROTECTION SYSTEMS

  43. EXTINGUISHER PLACEMENT • 1-5.3 Extra (High) Hazard: where total amounts of Class A &B combustibles/flammables is greater than that of a Moderate Hazard. • Woodworking shop • Vehicle repair • Aircraft and boat servicing • Cooking areas • Manufacturing processes such as painting DCC FIRE PROTECTION SYSTEMS

  44. EXTINGUISHER PLACEMENT • The number of and placement is determined by: • Area of the occupancy • Maximum travel distance to an extinguisher DCC FIRE PROTECTION SYSTEMS

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  48. Why are they mounted near each other? CO2; (BC) PW Class A DCC FIRE PROTECTION SYSTEMS

  49. Two 20 lb ABC’s DCC FIRE PROTECTION SYSTEMS

  50. RATINGS • 1A- 1’X1’X1’ wood crib (=1.25 gallons of water) • 1B=1 square foot of pentane • C has no ratings; just indicates it can extinguish electrical fires. DCC FIRE PROTECTION SYSTEMS

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