Section 16

Where segregated ballast tanks complying with regulation 13 of Annex 1 of the International Convention for the Prevention of Pollution from Ships, 1973 as modified by the Protocol of 1978 relating to the Convention are provided in oil tankers, an entry may be made on the International Tonnage Certificate (1969) or the Brunei Darussalam Tonnage Certificate indicating the total tonnage of the tanks. The tonnage of the segregated ballast tanks shall be calculated according to the following formula -

where-V total volume of all enclosed spaces of the ship in cubic metres;

K1 0.2 + 0.02 log10 V (or as specified in the Third Schedule);

vb the total volume of segregated ballast tanks in cubic metres measured in accordance with regulation 13.

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