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DMAIB report on EMMA Maersk

Flooding of engine room on February 2013 The Danish Maritime Accident Investigation Board (DMAIB) has issued Marine Accident Report on EMMA Maersk flooding of engine room last February.On the evening of 1st February 2013, a severe leakage occured in the container ship EMMA Maesrk while the ship, loaded with general cargo in about 14,000 containers. was about to pass southbound through the Suez Canal.The leakage was caused by a mechanical break-down of a stern thruster situated at the aft part of the ship's shaft tunner whereby the shaft tunnel was flooded. The bulkhead between the shaft tunnel and the main engine room could not withstand the hydrostratic water pressure and eventually the main engine room was also flooded.The situatino became complicated because the ship had just initated a passage in a convoy through the Suez Canal. Loss of the ship's own propulsion, electric power, steerage and manoeuvrability could be foreseen and eventually occurred.The main technical sequence of events were a break-down of the forward stern thruster causing a major leakage into the shaft tunnel, a collapse of the watertight integrity of the bulkhead between the shaft tunnel and the engine room, primarily caused by non-effectivecable penetration sealings and some undesirable ...

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Interim Report on MOL COMFORT Casualty Released

Report by the Committee on Large Container Ship Safety Following the loss of the container vessel MOL COMFORT on 17 June 2013, ClassNK established a special Casualty Investigation Team in order to investigate and determine the cause of the casualty.Japan's Ministry of Land, Infrastructure, Transport and Tourism (MLIT) further established a Committee on Large Container Ship Safety to develop measures to ensure the safety of large container vessels on 29 August 2013. ClassNK serves as a member of the Committee and the ClassNK Casualty Investigation Team is actively involved in its deliberative and investigative work.The Committee on Large Container Ship Safety completed its Interim Report on the MOL Comfort casualty during its fourth meeting on 12 December 2013, and released the report to the public on 17 December 2013.In line with Interim Report, the ClassNK Casualty Investigation Team will continue to carry out numerical simulations of hull strength and acting loads, as well as conduct full-scale stress measurements of actual ships in order to develop comprehensive measures to ensure the safety of large container vessels, including potential amendments to existing classification rules related to hull structures.Tank Top Arrangement of No.5 & No.6 Cargo Holds (Port Side)(Image Credit: Interim Report of ...

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