Sif, KCI and Smulders breathe new life into tripod

Steel experts Sif and Smulders and engineering company KCI are jointly developing a new product line called ‘The revival of the Tripod’. With wind farms being developed at greater water depths, the partners think the tripod could offer some advantages, especially in water depths over 50 meters. Serial production is foreseen to start in 2024.

The Tripod foundation concept was last deployed offshore at Global Tech 1 wind farm around 8 years ago. The concept on its own was abandoned since then, because it was not competitive against the monopile at the water depths used in that period.

Advantages over monopiles & jackets

With bottom fixed foundations being deployed at ever greater water depths in the northern North Sea basin, the partners now see monopiles being selected up to 50-60 meters of water depth and jackets as the complementary foundation of choice from those or greater water depths.

Sif, KCI and Smulders breathe new live into tripod
Source: Sif

According to the three companies, the Tripod has some specific advantages compared with the monopile and the jacket at water depths of 50 meters or greater. This has to due with the tripod having a sturdier construction than the monopile and is easier to manufacture than a jacket. It will have its own specific niche and application in addition to those of the jacket and the monopile respectively. With its robust history in the German market, bankability of the revived Tripod should be less of a challenge compared with floating wind or other completely new foundation concepts.

‘We are very happy with the KCI developed Tripod design. It is the second innovation next to our Skybox design that we have developed since Sif’s acquisition of KCI, the engineers. With ever larger diameters of monopiles, the balance is now shifting from our Roermond facility to our Rotterdam facility. The central column of the Tripod however, is a perfect match for the specifications of our Roermond facility and therefore perfectly complements our product range.

Michel Kurstjens, Sif

‘We see the development and production of the Tripod as a perfect extension of our product portfolio and an excellent opportunity to further develop the Wallsend site in the UK. The development and production together with Sif is a continuity of utilizing our complementary strengths and capabilities in engineering and production of offshore wind foundations.

Jaap Jansen, Smulders

Production in Roermond

The Tripod, designed by KCI, will be jointly marketed in JV by Smulders and Sif. Production will take place in Roermond (the central column) and at the Smulders Wallsend site for the final integration. Bracings will be sourced in from UK suppliers, therefore creating new UK jobs and significant UK content. Serial production is foreseen to start in 2024.

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