Inert Gas System

Question 1

With reference to the ship/shore safety checklist, list physical checks that must be made prior to commencement of cargo operations.

Answer 1

• Is the ship securely moored?
• Are the emergency towing wires correctly positioned?
• Is there safe access between the ship and the shore?
• Is there an effective deck watch on board, and is there adequate supervision on the terminal?
• Is the agreed ship/shore communication system operational?
• Is sufficient FFA in position on board the ship and at the terminal?
• Are the cargo/bunker arms/hoses in good condition, properly rigged and appropriate for service intended?
• Are the scuppers effectively plugged, and dip trays in position both on board the ship and at the terminal?
• Are seas and overboard discharge valves closed and visibly secured?
• Are all cargo and bunker tank lids closed and properly secured?
• Is the agreed tank venting system being used?
• Are portable VHF/UHF transceivers of an approved type?
• Are all external accommodation doors and ports closed?
• Are any window type air conditioning units disconnected?
• Are smoking regulations being observed?
• Have fixed and portable oxygen analysers been calibrated, and are they in working order?

Question 2

If the vessel was moored to a single point mooring (SPM), state the checks the Officer of the Watch should make in addition to the standard routine deck duties during cargo watch.

Answer 2

• Check the cantilever mooring arrangement from vessel to buoy.
• Check the SPM for leakage using binoculars.
• Check ship securing arrangement of chain.
• Check ship securing overboard chains.
• Check positioning of strops on hose.