SECTOR REPORT Ӏ HEAVY LIFTING


WEIGHTY MATTERS


What used to be 'ultra-heavy' is today’s 'mid-range'; what is out of the question today might be possible next year. Gavin Kerr, global cranes director at Mammoet speaks to Julian Champkin about developments in the world of heavy lifting.


Heavy lifting has goalposts that are always receding. Once upon a time we could define a heavy lift as anything over 100 tonnes. For this article we shall talk instead of 1000 t and up. Gavin Kerr is responsible


for lifts like that all the time. He is global cranes director at Mammoet, so that perhaps is hardly surprising. “The thing about heavy lifting,” he says, “is that it starts with understanding.” Not understanding of the weight of the load, or its size, or its centre of gravity though, of course, you will be in deep trouble if you do not understand all of those. “But understanding of what the client wants. What are their ambitions? What do they want to achieve? And what do they want to avoid?” “It might be about time: they


may need the job to be done to a time limit so that they can hit first production before a licence expires. It could be about space: the laydown room might look great on paper but will we be interfering with all the 20 other contractors who might also be relying on using that space at that moment? It might be about availability of resources: some clients may want to have 25% reserve of lifting capacity available in the back pocket, so to speak, whereas for others it may be that f


Gavin Kerr, global cranes director at Mammoet


Mammoet's


PTC200-DS Ring Crane. Mammoet has three PTC cranes currently working on offshore wind projects


CRANES TODAY 15


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