In Part One of the container losses story the emphasis was on the commercial pressures on the shipping lines and how those pressures were transmitted further down the line adding to the pressures on masters.
However, another aspect of the complex issue of container stack collapses is how regulation and commercial pressures interact to affect operational matters. That will include a scrutiny of cargo planning and the verified gross mass (VGM) regulations that are supposed to help masters and planners to make sure that container stacks do not exceed maximum weight levels, that is 192,000kg in aggregated weight for a stack.
The World Shipping Council (WSC) points out that there is a requirement for shippers to inform the carrier of the weight of a container, either by weighing the packed box or by adding the weight of the contents to the weight of the container to give a total mass.
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