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Oil Fired Auxiliary Boilers The oil fired auxiliary boilers are not fitted with sootblowers. Soot removal from the heat transfer surfaces of the tubes is carried out by means of a water jet when the boiler is not in operation. The need for soot removal may be determined by the following procedures: • Visual inspection…
The Global Maritime Distress and Safety System (GMDSS) is an international system relating to all vessels over 300 gross tonnes and all passenger vessels engaged on international voyages, irrespective of tonnage. It provides comprehensive communications for distress, urgency and safety operations in the terrestrial and satellite services. It specifies methods to be used to enable…
Both the port and starboard slop tanks are fitted with internal grid type heating coils. The port slop tank has eight coils fitted while the starboard slop tank has only two coils fitted. The cargo oil tanks each have three coils. The coils are supplied with 0.9MPa saturated steam from the engine room and the…
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 which reduces unloading time. The operation is fully automated. The…
The flue gas system main control panel is situated in the CCR. This panel contains the programmable controller pushbuttons etc, which takes care of the start/stop/alarm functions and the running mode. On the front of the panel the system is represented in the form of a mimic diagram, with appropriate indications and pushbuttons. The panel…
System explained basis my present vessel. INITIAL INERTING Under normal operating conditions the vessel is kept totally inerted. However, after refit or tank inspections some, or all, of the tanks may be gas free. Prior to any cargo operations all COTs must be inerted and this is normally completed en route to the loadport. Good…
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 requirements • Heavy weather ballast requirements • Maintenance of satisfactory…
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 No.1, No.4 COTs and the starboard slop tank Group 2…
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 one quarter of the remainder. However, no tank requires to…
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 horizontal plane and up to 135° in the vertical…