What are procedure of CO2 release in engine room?

Releasing of CO₂ at sea:

We must consider CO₂ is only released when fire is out of control but Before releasing we must go through points mentioned below

• Seal engine room.
• All ventilation to be closed.
• Fuels and boiler within engine room to be shut down.
• Evacuate and seal the engine room. Head count.
• Check out the amount of _CO2 required to be injected as per the planned injection information (found in CO2 room and remote station).
• Open fire cabinet door causing alarm to activate.
• Operate fire handle mechanism to fire the pilot bottles, which fires the bank of bottles in the engine room. Ensure hold valves are closed.

Planned injection information:

• CO2 arrangement plan.
• Procedure of firing.
• Number of bottles designated for each place protected.
• Number of non return valves.

After releasing:

• Always advisable to wait before carrying out an investigation.
• Maintain boundary cooling and observe temperature at various levels.
• Once a distinct fall in temperature has been observed an internal inspection and assessment may be carried out.
• Breathing apparagraphtus to be donned when entering the space. Checks on breathing apparagraphtus. 2/e and oiler to enter.
• Inspection to be carried out with spray fire fighting equipment, safety line and communication checked prior to entry.
• Once it has been confirmed that fire has been brought under control an additional assessment by chief engineer.
• When both opinions agreed upon damage control party to be sent in for cooling down work.