Fire Hazards Kings Cross Underground station fire 2

Fire Hazards

King`s Cross Underground station fire 2

Fire Safety Requirements OSH Act makes fire provisions under Part V: • Certification by fire authority • Evacuation drills • Emergency exits clearly marked • Audible warning alarms • Fire equipment provided, maintained readily available

Basic principles of fire 4

Sources of ignition 5

Sources of fuel Solids – these include, wood, paper, cardboard, wrapping materials, plastics, rubber, foam, textiles, waste materials, hair.

Sources of fuel Liquids – these include, paint, varnish, thinners, adhesives, petrol, paraffin, acetone

Sources of fuel Gases – flammable gases include LPG, acetylene and hydrogen. 8

Oxygen provides by air and is enhanced by natural or powered ventilation systems.

Method of extinction 10

Classification of fires Comparison of fire classes European/Australian/ American Fuel/Heat source Asian Class A Ordinary combustibles Class B Flammable liquids Class C Flammable gases Class C Class E Electrical equipment Class D Combustible metals Class K Class F Cooking oil or fat Class B 11

Classification of fires 12

Principles of heat transmission and fire spread 13

Principles of heat transmission and fire spread 14

Fire protection 15

Fire Protection 16