Aegir instals Greater Changhua’s final jacket

Heerema Marine Contractors installed the final jacket for Ørsted’s Greater Changhua offshore wind farm, in the Taiwan straits last week. This 111th jacket was installed by the Aegir crane vessel, marking another milestone in the project.

Onshore construction on Ørsted’s Greater Changhua offshore wind farm, located 35km to 60km off the coast of Changhua County, Taiwan, started in November 2019. The wind farm’s Operations and Maintenance (O&M) Hub in Taichung was inaugurated earlier this month.

In total, four sites are planned to have a generation capacity of 2.4GW. The turbines will be supported by jacket foundations along with 90m-long pin piles. The installation of the 11 jackets marks another key milestone for the project. Grouting operations are now also complete. The next step for these final jackets is now to install armour rock protection to protect the structures against scour.

Built in 2012, the Aegir is one of the largest monohull crane vessels in the world. Measuring 211 metres in length and 46 metres in width, it can work in any water depth and has a maximum lifting capacity of 5 000 tonnes.

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Author: Emma Dailey

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