Merkur Offshore Substation Jacket

The Merkur Wind Farm is located approximately 45km north of the islands of Borkum, in the German North Sea.  It consists of 66 turbines with a combined output of approximately 1,750 GWh annually, enough clean energy to power around 500,000 homes.  The wind farm was commissioned in 2018.

Sea and Land Project Engineering was awarded the Design contract for the 1800 Tonne Substation Jacket by Iemants Staalconstructies towards the end of 2015. The offshore substation foundation structure was designed to support the substation topsides, 16 J-tubes and two Boat Landings in a water depth of 30 metres.

SLPEL developed the design through both FEED and Detailed Design phases, taking into consideration key constructability and installation requirements to produce an efficient design to a tight schedule.

The design was subject to the demanding criteria of the BSH German offshore regulations, which meant a careful approach was required to achieve design Certification. SLPEL has a strong record of delivering projects to these unique requirements, and was able to propose design solutions which met regulatory standards, whilst also keeping additional operations to a minimum. This was of particular relevance in areas such as pile capacity testing and some welding details.

By the application of Structural Design expertise and project experience, SLPE was able to produce a compliant design which also saved hundreds of additional fabrication manhours, keeping vessel waiting time to an absolute minimum.

The design was completed on time and within budget meeting the criteria of the BSH German offshore regulations and design certification.