Dieseko vibratory hammer to install Calvados monopiles

Dieseko Group, a Dutch manufacturer of innovative foundation equipment, has secured a contract with Saipem for the supply of their Vibratory Hammer. The hammer will be used to install the monopiles on the Calvados Offshore Wind Farm (Courseulles-sur-Mer) off the French coast.

The Calvados offshore wind farm is a 450 MW offshore wind farm located approximately 15 km north of the city of Courseulles-sur-Mer. The site is found in the Bay of the Seine off the coast of Normandy in the English Channel.

The offshore wind farm is being developed by a consortium of EDF Renewables, EIH S.à r.l, a subsidiary of Enbridge, and wpd Offshore France. The wind farm will comprise 64 Siemens Gamesa SWT-7.0-154 direct-drive offshore wind turbines. Saipem received a contract in February 2021 for the design, construction and installation works for 64 foundations. The start of the offshore monopile installation works is expected in the third quarter of 2022. The crane vessel Saipem 3000 will perform the installation.

The project scope for Dieseko includes the rental of the GIANT Vibratory Hammer with an eccentric moment of 2000 kgm and includes an upending system that enables the hammer to be used as a handling system. Included in the rental scope is the experienced Dieseko offshore crew. According to the company a Vibratory Hammer has the advantages of much lower noise levels (no sound mitigation needed), faster handling time and installation/penetration speed, in comparison with conventional methods.

“We are very proud to be supporting Saipem on this prestigious project. We have been involved in this project from the early stages on and teamed up with Saipem in order to give them the best solution towards the developer of this farm Eolien Maritime France. Given the advantages of Vibro technology for Offshore Wind applications, we see a lot of interest from developers, installation contractors and environmental organizations. This project is in line with our strategy of delivering innovative and sustainable solutions. Dieseko wants to contribute and accelerate the energy transition. Supplying this GIANT Vibratory Hammer to Saipem is the next step towards that mission and shows the confidence in this foundation method.”

Dirk Smulders, CEO of Dieseko

Once operational, the wind farm will generate enough power to meet the equivalent of about 630,000 households in their electricity needs and will have an operational life of about 25 years. Source: Dieseko Image: Siemens Gamesa ( Siemens Gamesa SWT-7.0-154 )

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