HEAVY LIFTING Ӏ SECTOR ROUNDUP
positioning of the transformers each weighing 354 tonnes. The 13.5m long transformers, measuring 5.3m wide and 4.8m high, were transported to the installation site using SPMTs. They were then unloaded using the gantry. After lifting the transformers clear of the SPMT they were skidded along the gantry’s seven metre skid track to position their wheels in line with a pre-laid installation track. Using the gantry’s Intelli-Lift wireless control system, the operator was able to raise and lower the gantry header beam and side shift units to position and gently lower the transformers onto the installation track. The Baltic Power wind farm, located about 23km offshore Poland, will have a generating capacity of up to 1.2 GW when completed in 2026. Energy generated by the turbines will be transported via export cables to an onshore substation that's currently under construction. “Space limitations and the unsuitability of using a crane given the variable ground conditions made the Enerpac SBL1100 gantry the ideal solution,” said Robert Samczyk, CEO, Ms Industry. “The combination of vertical and horizontal movements using the operator’s wireless control system gave us the precision we needed to place the transformer in the installation track.” The SBL1100 is Enerpac’s highest capacity hydraulic telescopic gantry. Equipped with three stage lifting cylinders, the SBL1100 lifts up to 12m at the top of the third stage and can handle up to 10,484 kN at the top of the first stage. Lankhorst Ropes has supplied high capacity, ultra-heavy lift slings to Allseas’ Pioneering Spirit for the transportation and lowering of a 7,300 tonne jacket for a converter platform for the German offshore project BorWin 5. The Lankhorst Gama 98 slings held the jacket
18 CRANES TODAY
equipped with two endless sling constructions. Ahead of the BorWin 5 project, the slings were proof loaded according to DNV-ST-N001. After the BorWin 5 offshore
wind energy project, the Lankhorst slings will be used by the Pioneering Spirit for future installation and decommissioning projects, each having a different load profile during lifting and subsequent transportation. The slings will be used to lift and transport jackets. Over the past decade Lankhorst
Lankhorst heavy lift slings are key part of the Pioneering Spirit’s Jacket Lifting System
in position above the stern of the Pioneering Spirit for the two-day journey to the installation site. Lankhorst heavy lift slings are an integral part of the Pioneering Spirit’s Jacket Lifting System for platform installation and decommissioning projects. The eight 25m endless slings use a Gama98 Ultra Heavy Lift rope construction. The ropes were manufactured in Portugal to a length tolerance of +/- 1.5%. The Pioneering Spirit’s jacket lift system features six blocks to guide the slings; each block is
says it has progressively built industry confidence in the reuse of heavy lift slings. “Today we have a proven fatigue performance model for the assessment of a sling's lifetime together with the development of safe and reliable engineered lifting plans,” says Marcel van der Molen, sales director, Lankhorst Ropes. “Lankhorst’s ability to manufacture slings to a consistent and repeatable length accuracy has been fundamental to establishing confidence in our fatigue performance modelling.” Middlesborough, UK-
headquartered modular spreader beams and frames manufacturer MultiSec, in collaboration with lifting and handling equipment manufacturer Durham Lifting, has launched one of the largest C-Hooks ever made. It is designed to lift some of the largest monopile
Chris Cooke,
mayor of Middlesborough (left), and Wan Djawad, technical director at Durham Lifting in front of MultiSec’s new C-hook
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