1.1.2 fire extinguisher catalog

8/13/2019 1.1.2 Fire Extinguisher catalog

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Fire Extinguisher

&Fire Hose Reel


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Learning Objectives

Cadets should be able to:

Identify parts of an Extinguisher

Apply the correct procedures of operating anExtinguisher

Understand the advantages of using the Hose Reel

Correctly operate a Hose Reel


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Scope

IntroductionTypes of ExtinguisherParts of ExtinguisherOperating the ExtinguisherSafety Precautions (Extinguisher)Hose reel SystemUsing the Hose reelSafety Precautions (Hose reel)PracticalConclusion


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IDENTIFICATION & PARTS OF

EXTINGUISHERFire Extinguisher:

A fire extinguisher is a portable device speciallydesigned to put out small fires.3 Common types of portable fire extinguishers :

1. Water2. Carbon Dioxide (CO2)

3. Dry Chemical Powder


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Water Fire Extinguisher

Suitable:

Class A fires only


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Parts of a Water Fire Extinguisher

NOZZLE

FLEXIBLE

TUBE

CYLINDER

DISCHARGE

LEVER

CARRYING HANDLE

PRESSURE

GAUGE

SAFETY PIN

BASE


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Carbon Dioxide Fire Extinguisher

Suitable for:

Class A*, B and C fires

*Most effective for very small or

confined-space Class A fires


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Parts:

Carbon Dioxide Fire Extinguisher

CYLINDER

BASE

DISCHARGEHORN

DISCHARGE

TUBE

SAFETY PIN

DISCHARGELEVER

CARRYING

HANDLE


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Dry Powder Fire Extinguisher

Suitable for:Class A, B and C* fires

*May corrode electrical equipment


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Parts:

Dry Powder Fire Extinguisher

BASE

CYLINDER

DISCHARGELEVER

NOZZLE

FLEXIBLE

TUBE

PRESSUREGAUGE

SAFETY PINCARRYING

HANDLE


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Method of Operation

1. Carry the extinguisher to thesite of fire

2. Pull out the safety pin

3. Aim the nozzle at the base of

the fire

4. Squeeze the grip lever firmly

5. Sweep from side to side


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Safety Precautions

a. Do not use water extinguishers for Class B (flammable liquidsand gases) and Class C (energised electrical fires)

b.Keep a safe distance

c. Do not stand facing the wind direction

d.Stay out of thick smoke areas

e. For electrical fire, remember to switch for power supply ifpossible

f. Do NOT Hold the Discharge Tube when operating the CO2 Fire

Extinguisher as it might lead to frostbite


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HOSE REEL

SYSTEM


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HOSE REEL

Minimise manpower

One-man operated

User friendly

Minimal back pressure

Suitable for use by most people

Easy to operate/ be deployed

Mobility

Non-Kinking reinforced rubber about 30m long.

Hose extends from 15m to 30mStrength

9m throw ( water dispenses to distance of 9m)Achievableflow rate of 0.4 liters/sec.

ADVANTAGES


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HOSE REELIt is important to assess the type and source of

fire before using a Hose reel to put out the fire!

Type of Fire Hose reel suitability

Class A

(Solid combustible material)

YES

Class B

(Flammable gases and liquid)

NO

Class C

(Electrical fire)

NO

Class D

(Reactive metals)

NO


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Checking of Hose Reel

Check that there are no obstructions preventing the

use of the Hose Reel.

Check that the key to unlock the Hose

Reel cabinet is housed on the cabinet.


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Standard Fire Hose Reel enclosed in

red cabinet.

Notice key at the right corner

KEY


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1. Break glass covering to retrieve key

2. Unlock the cabinet door

3. Check that Hose Reel

is intact and not tangled


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4. TurnONthe valve to let the water flow

(anti - clockwise direction )


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5. Pull out the drum towards you

The Drum can swivel left to right


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6. Point the nozzle down and away


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7. Turn the NozzleClockwise to test if the hose is working


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Turn the nozzle carefully to control the amount of water

gushing out

Always point

Nozzle down

and away from

you


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8. Assistant to unwind the drum to extend the hose


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Hose controller and assistant must cooperate

Take Note!!!


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Assistant must follow hose trail and ensure Hose is straightened


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Assistant must keep hose reel in line of sight at all times


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9. Assistant must keep Hose Controller within his view / line

of sight


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10. Hand ready to twist nozzle to turn on hose reel

Note: Hose controller must keep low when approaching Fire


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Hose Reel handler and assistant must not be standing

on the same side of the hose. They should be on

oppositesidesof the hose.


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Ensure the hose is notkinked!


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Keeping the Hose Reel


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1. When keeping the hose, ensure it is not entangled


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2. Assistant will help to reel the hose into the drum

Note: make sure the hose does not get entangled


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Ensure Hose isreeled in neatly.

Straighten thewater Hose

Assist in rolling upof the water Hose


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4. Push hose reel drum into cabinet


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5. Remember to shut off water supply.


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6. Close cabinet door


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7. Lock the cabinet and mount the key back on the key

holder


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SAFETY PRECAUTIONS

Ensure that water supply is available before pulling out

the hose reel towards the fire.

Keep your position low whilst fighting fire in an enclosedarea.

In open areas, check for wind direction before moving

towards the fire with the hose reel. Move in an upwinddirection to avoid smoke and heat.


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SAFETY PRECAUTIONS

Do not use the hose reel to extinguish Class B

(flammable liquids/gases) or C (energised electricalequipment) fires.

In cases where you are trapped in a smoke loggedsituation, use the hose reel as a guideline to lead you outfrom hazard area.

Use the hose reel to extinguish solid combustiblematerials only.


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CONCLUSION

By applying correct methods of extinguishing fire with properfirefighting equipment, you can save lives and properties!!

1.1.2 fire extinguisher catalog

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