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What are Oil Record Book (ORB) entries as per Marpol Annex 1 for ships



Every oil tanker of 150 tons gross tonnage and above and every ship of400 tons gross tonnage and above other than an oil tanker shall be provided with an Oil Record Book Part I and Every oil tanker of 150 tons gross tonnage and aboveshall also be provided with an Oil Record Book Part II


Entries for machinery space operations ORB part 1 (all ships):
(i) ballasting or cleaning of oil fuel tanks;
(ii) discharge of dirty ballast or cleaning water from tanks
(iii) disposal of oily residues (sludge);
(iv) discharge overboard or disposal otherwise of bilge water which has accumulated in machinery spaces
(v) Fuel oil bunker and bulk lube oil;

Entries for cargo/ballast operations ORB Part 2 (oil tankers):
(i) loading of oil cargo;
(ii) internal transfer of oil cargo during voyage;
(iii) unloading of oil cargo;
(iv) ballasting of cargo tanks and dedicated clean ballast tanks;
(v) cleaning of cargo tanks including crude oil washing;
(vi) discharge of ballast except from segregated ballast tanks;
(vii) discharge of water from slop tanks;
(viii) closing of all applicable valves or similar devices after slop tank discharge operations;
(ix) closing of valves necessary for isolation of dedicated clean ballast tanks from cargo and stripping lines after slop tank discharge operations;
(x) disposal of residues.

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