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Seaway 7 successfully completed the Beatrice Project (EPCI) in 2019. Beatrice, once fully operational, will be one of Scotland’s largest offshore wind farms, located approximately 13km from the Caithness coast. All Seaway 7 vessels contributed to deliver the design, fabrication and installation of 84 jacket foundations, weighing over 120,000Te, along with 165km of Inner-Array Cables.
Offshore Scotland, located in the Outer Moray Firth, a 588mw offshore wind farm has been developed. Seaway 7 were awarded the EPCI contract for the client Beatrice Offshore Windfarm Limited (BOWL). The scope of work included the engineering, procurement, construction and installation (EPCI) of the 84 wind turbine generator (WTG) foundations, piles and inter-array cables (IAC) and the transport and installation of the two Offshore Transformer Module (OTM) platforms for the Beatrice Offshore Wind Farm.
Standardized transition piece top sections allowed greater transferability of these sections between the yards. The pile mitigation protocol which was designed for Beatrice was implemented for the first time as part of a UK offshore wind farm and was found to be successful. The Pile Installation Frame was the first of its kind and all its smart components allowed very accurate pile installation which were installed well within tolerance. A hydraulic sea fastening system was designed for the S-2500 impact hammer which resulted in shorter cycle times for the operations. A riggerless jacket installation system was also designed in-house. Traditionally riggers are required to hook the slings onto the crane hook, however by using a combination of the so-called lifting bucket and an internal lifting tool with steering yoke and proximity sensors, all installation was conducted remotely without rigger intervention on top of the 80m high structures.
Seaway 7 successfully completed the Beatrice Project (EPCI) in 2019. Beatrice, once fully operational, will be one of Scotland’s largest offshore wind farms, located approximately 13km from the Caithness coast.