Clasification Society 2023 - Version 9.37
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.747(18) – Recommendation Concerning Tonnage Measurement of Segregated Ballast Tanks in Oil Tankers – (Adopted on 4 November 1993) - Annex - Recommendation Concerning Tonnage Measurement of Segregated Ballast Tanks in Oil Tankers |
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Annex - Recommendation Concerning Tonnage Measurement of Segregated Ballast Tanks in Oil TankersIn order to use a unified base for the application of tonnage measurement of segregated ballast tankers, Administrations are recommended to accept the following principles; 1 The ship is certified as a segregated ballast oil tanker as stated in paragraph 5 of the supplement to the International Oil Pollution Prevention Certificate and the location of the segregated ballast tanks is indicated under paragraph 5.2 of that supplement. 2 Segregated ballast tanks are those tanks exclusively used for the carriage of segregated water ballast, as defined in Regulation 1(17) of Annex 1 of MARPOL 73/78. The segregated ballast tanks should have a separate ballast pumping and piping system arranged for the intake and discharge of ballast water from and to the sea only. There should be no piping connections from segregated ballast tanks to the fresh water system. No segregated ballast tank should be used for the carriage of any cargo or for storage of ship's stores or material. 3 In the International Tonnage Certificate (1969) under “Remarks” an entry is made for the tonnage of segregated ballast tanks in oil tankers as follows:
4 The tonnage of segregated ballast tanks mentioned above should be calculated according to the following formula: K1× Vb
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