Required as per regulation-20 of annex-1. | |
Required for all oil tankers of 150GT and above. | |
Required for all ships of 400GT and above. |
Oil record books are of two parts. | |
Part-1: For machinery space operation. | |
Part-2: For cargo and ballast space operation. |
Ballasting or cleaning of fuel oil tanks. | |
Discharging of dirty ballast and cleaning water. | |
Disposal of oil residues (sludge). | |
Discharge overboard / disposal of machinery space bilge. |
Loading, discharging and internal transfer of cargo. | |
Ballasting of cargo tanks and dedicated CBT (clean ballast tank). | |
Cleaning of cargo tanks including COW (crude oil washing). | |
Discharge of ballast from COT and CBT. (Not SBT- segregated ballast tank). | |
Discharge of water from slop tanks. | |
Closing of valves after slop tanks discharge. | |
Closing of valves to isolate dedicated clean ballast tanks from cargo and stripping lines. | |
Disposal of residues. |