ENERGY Ӏ SECTOR REPORT
port for temporary storage. Once the site team were ready to receive the component Allelys built a 24-axle girder frame trailer around the stools to self-load the cargo ready for transport to Skelton Grange. “Prior to the transport phase,
Allelys completed route surveys and transport arrangement designs as well as swept path analysis for the journey through the site. Our engineering reports identified two structures that needed to be negotiated on site, at Wyke Beck Bridge and Effluent Culvert,” explained Garnaud Tsika, commercial manager at Allelys. “We completed assessments on both of these structures prior to project award. These showed that using a 16-axle girder frame, typical for the size and weight of this unit, wasn’t suitable. We therefore designed a solution to use a bigger and lighter frame to overcome these challenges, which enabled the route to be cleared.”
Sarens handles monopiles at Virginia, USA
The transportation stage included a night-time closure on the A1 trunk road to open up the carriageway central reservation and allow the transport to cross over and join the M1 motorway, Britain’s major north-south route. At the site the turbine was
trans-shipped from the girder frame onto a 12-axle SPMT due to the restricted space available. It was transported to within the radius of Allelys’ LG1550 crane and lifted into the turbine hall. Allelys also received the second
component at the site, a 96t generator, where it was temporarily stooled off and then transported using the same 12-axle SPMT, to the crane location for lifting. “The turbine hall was still in
construction and there was a number of restrictions that we needed to adhere to,” explains Tsika. “They included the precise planning that was required to modify the crane location and position the outriggers due to non- load bearing areas.” The height of the building was 22.3m so the
NEKKAR TO DELIVER OFFSHORE KNUCKLEBOOM CRANE FOR WINDFARMS Norway’s Nekkar group has been awarded a contract to deliver an
offshore crane to a newbuild cable-lay support vessel that the Turkish Sefine Shipyard is building for Norwegian shipowner Agalas. Techano Oceanlift, recently acquired by Nekkar, will deliver
a 70-tonne offshore crane capable of performing both subsea installation and removal operations as well as 3D-compensated topside lifting operations in wind farm developments and operations. The contract value is approximately EUR 4 million. The knuckleboom crane is equipped with an active heave
compensated (AHC) winch with 2,000 metres of wire for subsea operation, and a separate three-tonne 3D active motion compensated lifting tool, for topside lifts. The crane features Intellilift’s control system and motion compensating system. “We have developed a crane that is ideal for vessels operating on
offshore wind farms,” says Øystein Bondevik, director of business development and sales at Techano Oceanlift. “It can perform subsea lifting operations and is capable of supporting wind farm operations, lifting equipment and tools necessary to operate and maintain wind turbines. It offers a flexibility that improves the commercial potential for the shipowner while it also reduces operating costs for operators of wind farms.” It was Nekkar’s recent acquisition of Techano Oceanlift that enabled the crane contract. Techano Oceanlift has extensive industry experience with product delivery and project execution within the renewables, aquaculture and marine industries. The strategy for the add-on was to combine Nekkar’s in-house
automation, electrification, and software competence, with Techano Oceanlift’ maritime specialisms in handling and lifting. Nekkar’s subsidiary company Intellilift will deliver the crane’s digital control system, leveraging sensors, cameras, and software. “Our joint ambition is to deliver smart, lightweight, and energy efficient lifting and handling solutions that are fully automated and digitised, capable of challenging the incumbent solutions in the market. This contract demonstrates that bringing Techano Oceanlift into Nekkar was a good enabler for both parties,” adds Ole Falk Hansen, CEO of Nekkar ASA. Techano Oceanlift will conduct the engineering and project management from the group’s headquarter in Kristiansand, Norway. The completed crane will be delivered in 2024.
34 CRANES TODAY
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