3.2 Wikinger Jacket Foundations – newentrant supplier
Overview Wikinger is a 350MW project located in the Baltic Sea wholly owned by SPR
Wikinger comprises 70 AREVA M5000 WTGs that will be located in water depths ranging from 36m to 42m. Two foundation types have been proposed (Deep, Type A, and Shallow, Type B), each foundation covering a water depth range of 3metres.
Given the size of the fabrication order, two suppliers were required to address the scope of supply.
Competition
A competitive tender process was carried out with nine suppliers participating. The process included several rounds of clarifications, face to face discussions and a visit to the Bidder´s facilities to be used for the Project.
Following detailed negotiations it was determined that Navantia would be one of the preferred suppliers for the project and will have responsibility for fabricating 29 jacket foundations. This contract is expected to be in the region of £58M(€70M).
The award of this contract to Navantia is significant given that it is a new supplier to the offshore windmarket and demonstrates the potential to transfer skills from other industries (in this instance ship design and construction) to create new capacity in the offshore wind market. This is particularly welcome in the jacket fabrication supply chain which is a particularly constrained area of themarket.
This contract will allow Navantia to reuse one of the largest assembly yards in Europe as well as highly qualified engineers on a new business with huge expectations of growth.
Innovation
Wikinger will be the largest offshore wind project with jacket foundations at the time of construction. Due to small numbers of experienced foundation suppliers, ship builders were invited to prequalify with several being invited to
tender.Multiple transition piece options were reviewed and with ship building insights applied EA1 has been able to optimise this part of the scope.
Skills
Development of new method statements and design optimization, using assembly-line techniques which will deliver long termsolutions for serial production of foundations and skills transfer to future projects.
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