Saturday, July 3, 2010

Fire Extinguiser Selection

Portable fireextinguishers can saves lives and property by putting out or containing fireswithin the capability of the extinguisher. However, they must be of the correcttype for the particular fire, and they must used correctly.

Selection of Fire Extinguishers
There are a number of types of portable fire extinguishers available inAustralia. Each type of extinguisher may be rated for one or more classes offire. In some cases, particular extinguishers are not only consideredineffective against certain classes of fire, they can be dangerous if used inthose circumstances.

The classes of fire are:

Class A
: Ordinary combustibles (Wood, Paper, Plastics)
Class B : Flammable and combustible liquids
Class C : Flammable gases
Class D : Combustible metals
Class E : Electrically energised equipment
Class F : Cooking oils and fats

Portable fire extinguishers are distinguishable by their labels and theircolouring. In 1997 the standard colours of some portable fire extinguisherswere changed. It is therefore likely that you may encounter two of the sametype of extinguisher with different colourings.


Cylinder

If a cylinder is damaged, in poor condition, leaking, or the contents areunknown, contact your cylinder vendor. Have the vendor return the damagedcylinder to the manufacturer.
  • Wear appropriate foot protection when engaged in moving or transporting cylinders.
  • Sturdy shoes are a minimum.
  • Steel toed shoes if required by your supervisor, instructor, or department.
  • Proper personal protective clothing and equipment shall be worn.
  • Always have an appropriate Material Safety Data Sheet (MSDS) available and be familiar with the health, flammability and reactivity hazards for the particular gas.



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