Page 36 - Turner 1st sem Practicals
P. 36

Job sequence

       •  Alert people surrounding by shouting 'fire', 'fire', 'fire'  •  Put “Off” electrical power supply.
         when observe fire.
                                                               Do not allow people to go nearer to the fire.
       •  Inform fire service or arrange to inform immediately.
                                                            •  Analyze and identify the type of fire. Refer Table-1.
       •  Open emergency exist and ask them to go away.

                                                      Table 1






        Class 'A'          Wood, paper, cloth, solid material







        Class 'B'          Oil based fire (grease, gasoline, oil) &
                           liquefiable solids









        Class 'C'          Gas and liquefied gases







        Class 'D'          Metals and electrical equipment






         Assume the fire is 'B' type (flammable             •  Pull the safety pin from the handle (Fig 2) (Pin located
         liquefiable solids)                                   at the top of the fire extinguisher) (Fig 2).
       •  Select CO2 (carbon dioxide) fire extinguisher.
       •  Locate and pick up CO2 fire extinguisher. Check for its
         expiry date.
       •  Break the seal. Fig 1.






                                                            •  Aim the extinguisher nozzle or hose at the base of the
                                                               fire (this will remove the source of fuel fire) (Fig 3).

                                                               Keep your self low
                                                            •  Squeeze the handle lever slowly to discharge the agent
                                                               (Fig 4)





       24                       Producltion & Manufacturing : Turner - Exercise 1.1.08
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