We are specialized in creating custom-designed tools and structures that allow you to perform installation projects safely and on time. You can regard TWD as your problem solver. The reliable partner that creates functional and creative solutions, no matter what the time frame is, or the complexity of the challenge.

Our goal is to reinforce your project team’s capabilities and complement them where required, so we can together achieve a successful project execution.

Structural Engineering
Mechanical Engineering
Installation Engineering


From concept to detailed design TWD is able to come up with a smart working solution to your problem. Our engineers have extensive experience with performing structural analysis for designs from concept to detail. In collaboration with our clients we make use of our Functional Design Method to develop the most practical and cost-effective solutions. Fundamental analyses we are able to provide include; comprehensive load case determinations, strength and stability calculations using hand calculations or finite element modeling for more complex structures, fatigue analysis, connection design and deck verification.


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Our team of Mechanical Engineers come from a large variety of backgrounds and have extensive knowledge in the Offshore, Heavy Civil and Salvage fields. We have experience in designing and performing the structural analysis of Motion compensation systems, Cable lay carousels and Pile handling tools among many others. Using the functional design method and working closely with our disciplines, our team is able to incorporate simple yet effective mechanisms and actuators into designs. Our teams experience in mechanical engineering will ensure a durable and robust solution for your design.


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To help you perform your installation and mobilization works we can provide installation engineering assistance. Our team is able to work in collaboration with the client to analyze equipment capabilities, critical paths and develop working sequences which incorporate best practice safety methods. In addition to this, we can deliver installation sequence drawings, installation and handling manuals, rigging arrangements and even come to your site to assist with the installation.

RFQ questions?

Please contact Thijs Roethof, head of our Sales department, for all your RFQ related questions.

Thijs Roethof Sales Manager +31 6 44 228 133

Call direct