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How to prevent failure of lifting wire ropes

AMSA Marine Notice 18/2015 AMSA has issued Marine Notice 18/2015 to advise operators, masters and crew how to ensure the safe operation of lifting appliances and associated equipment in order to prevent failure of lifting wire ropes.AMSA urges ship operators, masters and crew to review and familiarise themselves with all the requirements of Marine Order 32. In order to ensure compliance with the Marine Order and to ensure safe operations, it is necessary to regularly inspect the condition of lifting appliances and associated equipment, including crane wire ropes.Marine Order 32 (Cargo handling equipment) 2011 defines "lifting appliance" as "a stationary or mobile cargo-handling appliance used on board a vessel for suspending, raising or lowering or moving loads from one position to another while suspended or supported, including a crane, a derrick crane, a derrick, a cargo lift and a mechanical ramp".Concerns with crane wire ropesAMSA has received a number of incident reports involving crane wire ropes. These incidents involved the failure of lifting wire ropes, improper securing of wire ropes and operator error. Such incidents present risks of serious injury, fatality and/or damage to the vessel.Of great concern is the sudden failure of a crane wire rope under load, resulting ...

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Most common causes for liquefaction-related incidents

DNV GLs guidelines for mitigating actions DNV GL has published a guideline for the design and operation of vessels with bulk cargo that may liquefy. The guideline aims to raise the awareness of the risks of liquefaction and describes mitigating actions to reduce these risks. The following causes are the most common causes for liquefaction-related incidents, along with DNV GLs guidelines for mitigating actions:1. Wrong cargo nameThe name of the cargo should be described by using the Bulk Cargo Shipping Name (BCSN) as detailed in the IMSBC Code. Sometimes shippers use trade or commercial names instead. The trade or commercial name may be used as a supplement to the BCSN, but must not be used as a substitute. The consequence of not using the proper name could be that the risks of the cargo are not correctly detected.Guideline:The Master and shipper/operator should always make sure the cargo is correctly identified before loading.2. Cargo not listed in IMSBC CodeIf the cargo is not listed in the IMSBC Code, such as bauxite with high moisture content, the shipper must provide the competent authority of the port of loading with the characteristics and properties of the cargo. Based on the information received, the ...

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IMO issues circular on Carriage of Bauxite that may liquefy

CCC.1/Circ.2 IMO has issued a circular approved by IMOs Sub-Committee on Carriage of Containers and Cargoes (CCC) meeting (14 to 18 September 2015) to advise masters when to accept cargo of bauxite.The cargo of bauxite was declared as a Group C cargo under the International Maritime Solid Bulk Cargoes (IMSBC) Code. However, the Sub-Committee noted the information in the Bahamas document CCC 2/5/16 that loss of the vessel may have been caused by liquefaction of the cargo.The Sub-Committee also considered proposals made by Australia and co-sponsors with respect to the properties of bauxite and the need for the cargoes material properties to be further examined in order to ensure that the cargo can be carried safely.The Sub-Committee concluded that:there is a need to raise awareness, despite the efforts to date made by the Member clubs of the International Group of P&I Clubs, of the possible dangers of liquefaction associated with carriage of bauxitethe potential for bauxite to liquefy is not specifically addressed in the IMSBC Code, since it is only classified as Group C cargo;if a Group A cargo is shipped with moisture content in excess of its transportable moisture limit (TML) there is a risk of cargo shift, which ...

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