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Nautical Publications
THROUGH CARGO PUMPROOM SEA VALVES
In conventional oil tankers, or in segregated ballast tankers when transferring ballast to or from cargo oil tanks, the cargo pumproom sea valves provide a direct link between the cargo oil tanks and the sea.
The first edition of this guide was published in 1976 following extensive investigations into the causes of spillages through cargo pumproom sea valves. Since then oil tanker construction and operating practices have undergone significant changes brought about particularly by the entry into force of MARPOL 73/78. However, the changes referred to have not altered the need for guidance on the potential problem of spillages through sea valves and the international Chamber of shipping (ICS) and the Oil Companies International Marine Forum (OCIMF) commend this latest edition of the guide for use by all oil tanker operators and personnel.
The recommendations contained in this guide are based on long-established practices and those concerned in the management and operation of oil tankers are encouraged to refer to them when reviewing or formulating operational policies.
