What are test carried out in Inert Gas System prior to Loading Operation ?

• Oxygen monitoring equipment must be calibrated and alarm points checked, this includes both portable and fixed equipment.
• Automatic shut-down systems and valves checked.
• Deck seal alarms tested.
• Non return valves should be checked.
• Hydrocarbon gas detectors should be checked and alarms tested.

Points to pounder :

• An inert gas maintenance record is to be maintained during all above checks and testing
• When the IG plant is not in use the inert gas main master valve or deck isolating valve must be closed.
• An inert gas operation log is to be maintained by the responsible officer during use of the IG plant.