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INDUSTRY REVIEWONSHORE RENEWABLES


The locations where


wind projects are being installed are becoming more and more remote, often with extremely challenging access roads, according to deugro.


more modular trailers with pendulum axles, because they provide more stability and safety. And as I mentioned before, the longer blades demand new ways of transport. Telescopic trailers have a telescopic beam underneath, which can in some cases produce problems because of obstacles. The RBTS dolly system can be lifted over such obstacles. The blade lifter is also the answer in areas like mountains and forests.” Ultimately equipment providers can only


make and sell, they do not specify or operate. “We have observed accidents with wind turbine transports this year,” said Schødt ruefully. “There are many reasons for these accidents – bad roads, unsuitable transport equipment and untrained operators. At least some of these accidents could have been avoided with specialised and suitable equipment that offers more stability. For example, modular trailers with pendulum axles instead of air-suspended trailers for tower transports, and of course qualified operator training.” At the same time, “transport companies


www.heavyliftpfi.com


must learn to say ‘No’,”Schødt stated, “especially when roads leading to construction sites are not suitable. “Also, the customers of our customers


must be willing to pay a fair price for a demanding transport task. High-quality transport and high-quality specialised equipment must be paid for fairly.” Schødt stated that Mammoet Denmark is


utilising the new Scheuerle Power Booster trailer power assist (TPA) system for a project in Norway. “It makes transport in the mountains much safer. Instead of three trucks, it only needs one and a trailer with the TPA. The TPA enables the transporter to drive in mountainous regions where there are no paved roads and up steep slopes, to about an 18 percent grade.” A blade lifter from Italy’s SAE Enterprise is being used at the same project, he added.


Changing client base For its consulting services, Collett & Sons works mainly for the wind farm developers and utility companies on the front-end


planning stage, offering route and access studies and advice, proving accessibility through two-dimensional and three- dimensional swept-path analysis. “The client base for these services has changed over the past ten years,” said Collett. “We are seeing less of the smaller independent developer activity and an increase in the utility companies’ interest in planning and the need for accurate information.” For shipping and transport services, Collett


& Sons work directly for the manufacturers of wind turbines. “Over the past five years we have seen a consolidation in the number of manufacturers, such as the merger of Siemens and Gamesa,” said Collett. “We have also seen a reduction in the number of players as the smaller companies either go into liquidation or are taken over by the larger companies, such as the recent case of Senvion.” He added: “In the long term there will be


only four or five global players. That is partly because they require such a large budget for research and development for new designs. This is now a market where big is beautiful


January/February 2020 57


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