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After 20 years of activity, the office was closed on July 31, 2024. Mr. Thomas Derda is thus retiring.

 

In case of inquiries about past projects, Mr. Derda can be reached at +49 4122 953520 until further notice.

 

Emails to the email address thomas.derda@triag-ing.eu will be read and answered. This service will be maintained until July 31, 2026.

 

I, Thomas Derda, would like to thank all customers and project partners for the many years of trustful cooperation in the always very interesting, sometimes very ambitious, projects on the sea, on the rail, on some test benches or in the one or other bell tower.