Strukton Immersion Projects B.V. is the specialist company of Strukton Civil for the floatation, transport and immersion of tunnel elements and caissons. The name Strukton Immersion Projects expresses our international field of work and ambition.

Strukton Immersion Projects B.V. is the specialist company of Strukton International for the floatation, transport and immersion of tunnel elements and caissons. The name Strukton Immersion Projects expresses our international field of work and ambition.

We have more than 30 years of experience in the immersed tunnelling business and one of the most prominent projects (even one of the most prominent in the world) is the immersion of 18 tunnel elements in the Busan-Geoje Fixed Link Project in South Korea.

Our scope of work comprises of the following activities: the design basis for the floatation, transport and immersion; a detailed temporary works design, engineering and preparations; the management and performance of the floatation, transport and immersion operations.

Oscar Koster

Director Acquisition

Our Ambition First of all, we want to earn a market-leading position, both in the Netherlands and abroad. Although we are already a major player, we understand that staying at the top is at least as difficult as getting there. This is why we consider acquiring knowledge and expanding our knowledge domain of the utmost importance.

We also hold qualified professionals in high esteem. After all, the work we perform is costly and not without risk. Our team comprises of a mixture of experienced and young specialists. Enthusiastic, driven and highly qualified professionals. In part thanks to their involvement and inventiveness, we are able to continuously improve and innovate the various facets of the immersion process. 

Subsidiary

GEOCON b.v. is specialised in immersed tunnel survey with several different survey systems and expertise perform the complete immersion survey and system integration for high accuracy and contingency.
At the start of an immersed tunnel project, we recommend early involvement and co-ordination between the construction design and the immersion design as this can be very economical in the long run.

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Failure is not an option

One of the most high-risk moments in tunnel construction is when the tunnel elements are immersed. Failure is not an option, as the potential (economic) damage in the event of a delay is too great. Naturally, a specialist is selected who has proven capabilities in difficult immersion projects. Immersion Projects is one of the world's top players in this market.                                                                                                  Peter van Westendorp, Director Operations

Scope

The design and engineering of temporary and permanent structures, and the drawing up of plans, time schedules and scenarios with respect to the immersion processes are carried out by our immersion specialists. Risk analysis of the immersion operation is an important part of the preparation and engineering for float out and immersion.

Where necessary, model tests are carried out to determine, for example, the forces experienced by the tunnel section structure as a result of wave action during transport and immersion.

Our specialists also make any necessary recommendations with respect to developing alternative solutions.

The complete immersion operation (OTAO®) is carried out by our highly-skilled personnel. We aspire versatility, inventiveness and effectiveness. Together, resulting in quality.

OTAO® a registered trademark of the Strukton Group NV since 1995 is the Dutch abbreviation for Floatation, Transport, Immersion and Sand flow.

Latest project video

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