Records of the operations done with noxious liquids are to be maintained to provide evidence of the processes that were followed to ensure that no pollution was caused. MARPOL 73 / 78, annex II deals with noxious liquids carried in bulk. The student is advised
•Timber – means sawn wood or lumber, cants, logs, poles, pulpwood and all other types of timber in loose packaged forms but not including wood pulp or similar cargo. •Cant – means a log that is cut in slabs, so that two opposite or sometimes
System as per my present vessel The automatic cargo stripping system is provided to improve the efficiency of stripping the cargo oil tanks and to assist in the maintenance of high bulk rate discharge. It utilises the cargo oil pumps to complete the stripping operation
System described basis my present vessel FULL DISCHARGE The following factors are to be considered prior to a full discharge: • Maximum available draught at the berth • Maximum allowable freeboard on the berth • Grade segregation, if carrying multiple grades • Crude oil washing
Below loading is explained basis my present vessel. See the diagram for better understanding. The cargo oil tanks are divided into three segregations or groups which can be used either individually or combined to permit the loading of the nominated quantities. Group 1 consists of
System explained basis my present vessel Cargo oil tanks are crude oil washed to comply with both legislation (contingency ballast requirements) and charterer’s requirements in order to achieve maximum out-turn. This would usually be No.4 COT port and starboard (nominated heavy weather ballast tanks) and
System explained basis my present vessel. The deck mounted tank cleaning machines are turbine driven, fully programmable, single nozzle units. The nozzle performs a helical pattern by rotating in a horizontal plane, combined with a very slow vertical movement. The machine can rotate 360° in
The stripping pump is a steam driven, double stroke, reciprocating type pump, controlled from the cargo console in the CCR. The stripping pump can be used to drain the cargo lines and the pump room bilges to the port or starboard slop tank, to shore
Normally on oil tankers the main cargo pump system consists of three vertical centrifugal single stage double suction type cargo pumps. They are situated at the bottom of the pump room and are driven by a single stage Curtis steam turbine and intermediate shaft passing
A large variety of cargoes carried in containers today – everything from ice cream to New Zealand lamb, from avocados to flower bulbs, from melons to fish – all require different specialist refrigerated care. Considering the high cost of most reefer cargoes it is important