2 Learning Objectives Cadets should be able to: Identify parts of an ExtinguisherApply the correct procedures of operating an ExtinguisherUnderstand the advantages of using the Hose ReelCorrectly operate a Hose Reel
3 Scope Introduction Types of Extinguisher Parts of Extinguisher Operating the ExtinguisherSafety Precautions (Extinguisher)Hose reel SystemUsing the Hose reelSafety Precautions (Hose reel)PracticalConclusion
4 IDENTIFICATION & PARTS OF EXTINGUISHER Fire Extinguisher:A fire extinguisher is a portable device specially designed to put out small fires.3 Common types of portable fire extinguishers :1. Water2. Carbon Dioxide (CO2)3. Dry Chemical Powder
5 Water Fire Extinguisher Suitable: Class A fires only
6 Parts of a Water Fire Extinguisher NOZZLEFLEXIBLETUBECYLINDERDISCHARGELEVERCARRYING HANDLEPRESSUREGAUGESAFETY PINBASE
7 Carbon Dioxide Fire Extinguisher Suitable for: Class A*, B and C fires*Most effective for very small or confined-space Class A fires
8 Carbon Dioxide Fire Extinguisher Parts:Carbon Dioxide Fire ExtinguisherCYLINDERBASEDISCHARGEHORNTUBESAFETY PINLEVERCARRYINGHANDLENote: Do NOT Hold the Discharge Tube when operating the CO2 Fire Extinguisher as it might lead to frostbite.
9 Dry Powder Fire Extinguisher Suitable for: Class A, B and C* fires*May corrode electrical equipment
10 Dry Powder Fire Extinguisher Parts:Dry Powder Fire ExtinguisherBASECYLINDERDISCHARGELEVERNOZZLEFLEXIBLETUBEPRESSUREGAUGESAFETY PINCARRYINGHANDLE
11 Method of Operation Carry the extinguisher to the site of fire Pull out the safety pinAim the nozzle at the base of the fireSqueeze the grip lever firmlySweep from side to side
12 Safety Precautionsa. Do not use water extinguishers for Class B (flammable liquids and gases) and Class C (energised electrical fires)b. Keep a safe distancec. Do not stand facing the wind directiond. Stay out of thick smoke arease. For electrical fire, remember to switch for power supply if possiblef. Do NOT Hold the Discharge Tube when operating the CO2 Fire Extinguisher as it might lead to frostbite
14 HOSE REEL ADVANTAGES: Minimise manpower One-man operated User friendly Minimal back pressureSuitable for use by most peopleEasy to operate/ be deployedMobilityNon-Kinking reinforced rubber about 30m long.Hose extends from 15m to 30mStrength9m throw ( water dispenses to distance of 9m) Achievable flow rate of 0.4 liters/sec.
15 HOSE REELIt is important to assess the type and source of fire before using a Hose reel to put out the fire!Type of FireHose reel suitabilityClass A(Solid combustible material)YESClass B(Flammable gases and liquid)NOClass C(Electrical fire)Class D(Reactive metals)
16 Check that there are no obstructions preventing the Checking of Hose ReelCheck that there are no obstructions preventing theuse of the Hose Reel.Check that the key to unlock the Hose Reel cabinet is housed on the cabinet.
17 Standard Fire Hose Reel enclosed in red cabinet. Notice key at the right cornerKEY
18 1. Break glass covering to retrieve key 22. Unlock the cabinet door3. Check that Hose Reel is intact and not tangled3
19 4. Turn ON the valve to let the water flow (anti - clockwise direction )
20 5. Pull out the drum towards you The Drum can swivel left to right
39 7. Lock the cabinet and mount the key back on the key holder
40 SAFETY PRECAUTIONSEnsure that water supply is available before pulling out the hose reel towards the fire.Keep your position low whilst fighting fire in an enclosed area.In open areas, check for wind direction before moving towards the fire with the hose reel. Move in an upwind direction to avoid smoke and heat.
41 SAFETY PRECAUTIONSIn cases where you are trapped in a smoke logged situation, use the hose reel as a guideline to lead you out from hazard area.Use the hose reel to extinguish solid combustible materials only.Do not use the hose reel to extinguish Class B (flammable liquids/gases) or C (energised electrical equipment) fires.
42 CONCLUSIONBy applying correct methods of extinguishing fire with proper firefighting equipment, you can save lives and properties!!