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Photo 3 Lankhorst Ropes Jumbo Yunlin 2Heavy lift shipping and offshore transport & installation contractor, Jumbo, is using heavy lift slings from Lankhorst Ropes to install offshore wind turbine transition pieces onto monopiles situated in the Yunlin Offshore Wind Farm, Taiwan. In total, the slings will be used to lift and position 80 transition pieces from the “Jumbo Javelin”.
 
The Jumbo Javelin is a dynamically positioned, heavy lift crane vessel featuring two rotating mast cranes with a combined lift capacity of 1,800t. For this project, 1,600t was the combined lifting capacity with the use of the Jumbo fly jib, a modular crane extension, at a maximum outreach of 28m. The Lankhorst LankoForce slings are fitted to a lifting tool used to aid the correct positioning of the transition pieces weighing 450 tonne. As the lifting and positioning tool features multiple slings, Lankhorst has manufactured the slings to tight tolerances of + / - 1.5%. Made from HMPE Dyneema SK78 yarns, the LankoForce endless spliced sling (grommet) are 82mm diameter. The transition piece lifting tool will use six endless spliced sling lengths of 6.574 metre and 12 slings of 7.456 metre, depending on the size of transition piece.
 
Located in the Taiwan Strait, some eight kilometres west of the coast of Yunlin County, the Yunlin offshore wind farm will cover an overall area of approximately 90 square kilometres.
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