Unified Interpretation of Oil Record Book Part II for Terminal Hose Flush Water

20 September 2017 |  C17037

The Marine Environment Protection Committee, at its 71st session, approved unified interpretation of MARPOL Annex I, Regulation 36.2.10, concerning terminal hose flush water.

Ship Owners/ Managers/ Operators | Flag Administrations | Surveyors

Through MEPC.1/Circ.872, amendments have been adopted to MARPOL Annex I, Regulation 36.2.10 concerning Oil Record Book, Part II for the Cargo/ Ballast operations requiring flush water to be categorized as the disposal of residues.

What MARPOL Annex I Regulation 36.2.10 requires?

The regulation states:

“Every oil tanker of 150 gross tonnage and above shall be provided with an Oil Record Book Part II (Cargo/Ballast Operations). The Oil Record Book Part II, whether as a part of the ship’s official log-book or otherwise, shall be in the form specified in appendix III to this Annex.

The Oil Record Book Part II shall be completed on each occasion, on a tank-to-tank basis if appropriate, whenever any of the following cargo/ ballast operations take place in the ship:

  1. loading of oil cargo;
  2. internal transfer of oil cargo during voyage;
  3. unloading of oil cargo;
  4. ballasting of cargo tanks and dedicated clean ballast tanks;
  5. cleaning of cargo tanks including crude oil washing;
  6. discharge of ballast except from segregated ballast tanks;
  7. discharge of water from slop tanks;
  8. closing of all applicable valves or similar devices after slop tank discharge operations;
  9. closing of valves necessary for isolation of dedicated clean ballast tanks from cargo and stripping lines after slop tank discharge operations; and
  10. disposal of residues.”

Interpretation of Regulation 36.2.10 – Terminal hose flush water

When the master of an oil tanker agrees to accept terminal hose flush water from a Single Point Mooring (SPM) or a Conventional Buoy Mooring (CBM), that flush water should be categorized as the disposal of residues under regulation 36.2.10.

Appropriate entries should be made under Item J of Part II of the Oil Record Book.


Below cases are examples of how these entries should be made:

  • At the load port where the flush water is received by the tanker, use the suggested wording for remarks:
(J) 55 At the request of (terminal xxxx), terminal line flush water (seawater) has been loaded into the ship’s xxx tank
56 xxx m³ flush water
57.4 Transferred from terminal xxxx line/hoses. Total quantity in xxx tank ….. m3
  • At the discharge port where the flush water is disposed of by the tanker:
(J) 55 xxx tank
56 xxx m³, quantity retained in tank: xxx m3
57.1 a quantity of xxx m3 terminal line flush water received at the loading port terminal (xxx) was disposed/transferred to terminal xxx facility.

Act now

Ship owners / Managers are advised to use the unified interpretation provided above to ensure ships’ compliance.

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