SECTOR REPORT Ӏ HEAVY LIFTING
This year Sarens bought two
more. Given the huge size of the crane, two immediate questions arise: why does Sarens need three of them, and what will they be used for? “We see a significant need for
this type of crane and the type of job it can perform,” says Yannick Sel, Sarens’ group commercial director of projects. “This is why we decided to increase our arsenal.”
And their uses? “We are
particularly focusing on jobs in renewables for these new 2,500 tonne cranes. Handling offshore wind turbines at ports is also becoming an important business segment as the weights of components continues to rise. Apart from lifting large components for the offshore wind sector, the LR12500 -1.0 is perfectly suited for the petrochemical industry and port handling work. The crane is easy to transport thus reducing the rigging and transportation cost and time when deployed for global projects.” Another customer for the
LR12500-1.0 is Denzai in Japan. Since its foundation in 1972 the Denzai Group has become one of Japan's largest heavy lifting and specialised heavy transport companies. And it is one with ambitions claiming its aim is ‘to become the world’s premier company in heavy lift and specialised transportation engineering’. To that end it bought its
LR12500-1.0 in April this year, to be delivered in October. The purchase makes it the only
owner and operator of the machine in Japan and the Asia-Pacific region. It will start operation in October at S-OIL's Shaheen Project in Ulsan, South Korea. After that, Denzai plans to operate it in Japan and overseas.
CRANES TODAY 37 Sany’s
SCC8000A has a capacity of 800 tonnes
Sarens’ Yannick Sel mentioned
above that the crane is well-suited for port handling work. That would appear to be especially true for Denzai, who plans also to use it in the offshore wind sector. ‘As the amount of electricity generated by offshore wind increases, the height and weight of offshore wind turbines are becoming larger and larger,’ says the company. ‘The construction of even larger
offshore wind turbines is expected to become impossible with the 1350-tonne crawler crane, which is the largest crane we currently own. In the Round 1 and Round 2 offshore wind turbine construction projects currently underway in Japan, the weight of the towers will be different from the European
specifications, and the Japanese specifications are expected to be even heavier.’ Another factor adds to that
suitability: ‘The working radius of cranes [for offshore wind] is expected to be larger than in Europe, because some Japanese ports have less strong wharves than those in Europe, and the cranes must be installed further away from the wharves,’ Denzai explains. ‘Furthermore, if the nacelle weight exceeds 800 tonnes it will be impossible to lift the nacelle from the far side of the vessel with a single 1350-tonne crane; and we estimate that two 1350-tonne cranes will be required. On the other hand, the LR12500 to be introduced at
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