Write down Total CO2 flooding system & procedure of entrance after flooding.

CO₂ flooding system:

• Activated audible & visual alarm.
• Evacuate compartment.
• Head count of personnel.
• Seal off compartment.
• Stop ventilation fan.
• Stop pumps & collapsible bridge valve.
• Then pull CO₂ directional valve handle.
• This would be followed by gas release. 

Entrance after CO₂ flooding:

1.     Work/entry permit.

2.     Never attempt to enter such a place without B/A.

3.     Never fail to put on hose type or O₂ type B/A.

4.     But don’t use CO₂ activated carbon type mask.

5.     Ventilate compartment after fire has completely extinguished.

6.     Enter into the compartment when it is full of fresh air.

7.     Even fire has been extinguished completely; never bring naked light to the compartment as it may cause fire to outbreak again due to explosion of any combustible gases.

8.     Keep entrance & exit clear to get away the person quickly & safely in case of fire.

9.     In case casualty give artificial respiration.

10.  When extinguishing fire from electrical fire turn off power as soon as possible.