The interpretations are the following:

Interpretation of regulation 1.23 – Deadweight to be stated on certificates

‘Even-keel hydrostatics should be used to determine the regulatory deadweight to be entered on relevant statutory certificates.’

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. The following are examples of how these entries should be made:

1 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;

and

2 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.’

Source: MEPC.1/Circ.872

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