Dick Farrel Camoying, Technical Manager, Skuld on Thursday (22 April) published an advisory focusing on the prevention of any untoward incident during the internal transfer of bunker or bulk oils onboard vessels:
During bunkering operation, the bunker fuel is loaded into the fuel storage tanks fitted with heating coils and, when the fuel is ready to be used, it is transferred to the fuel settling tanks via the FO transfer pumps equipped with a suction strainer. Sometimes there is a transfer of fuel from one storage tank to another, typically in preparation for the next bunkering or for stability purposes. When the fuel or bulk oil is transferred between storage tanks the chief engineer should make the crew learn and understand the proper procedures and to take risk assessment measures against any pollution that may occur.
During transfer operation, the FO transfer pump should be operated manually, and the oil level should be monitored all the time. Transfer checklists should be completed prior to the internal transfer, and the FO or bulk oil transfer related valves, which are normally closed, must be operated, and should be double checked by the chief engineer or second engineer. A notice or valve tags shall be put up in the machinery control room and near the valves to show that the valve is open and in use. Other valves not in use during the transfer operation shall be kept closed and tagged.
Once the transfer operation is completed the FO transfer pump should be put in automatic and the normally opened valves should be opened, and the valves normally closed should be kept closed. The tags or notice in the engine control room and near the valves should be removed. The operational condition of the alarm level sensors, quick closing valves and shutdown devices should be tested and confirmed to be in order.
In case of emergency, immediately stop the transfer operation and then close all the valves. The crew should take immediate action to counteract the likelihood of oil discharge overboard.
Steps to be taken:
Contact details of Dick Farrel Camoying are as follows:
Office phone: +47 22 00 22 29
Mobile phone: +47 952 92 267
Photo credit: Manifold Times
Published: 27 April, 2021
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