- Has the permission been obtained from the Chief Officer?
- Is the tank clean?
- Is the tank pressurised?
- Has the tank been inert, then gas-freed?
- Does the tank atmosphere contain at least 21% oxygen?
- Is the hydraulic cargo system shut down?
- Is the tank isolated from the inert gas main?
- Have notices been placed at tank hatches?
- Have notices been placed at the inert gas isolating valves?
- Have notices been placed on the cargo control?
- Is fresh air being supplied to the tank?
- Is one man stationed at the cargo tank hatch?
- Is breathing apparatus and a lifeline available?