What to consider when choosing a surveyor?

When you need to have data from underwater structures, most often the situation is that you need someone to a) gather, b) process, c) analyse and d) utilise the data. You can search for a different service provider for each phase or order the whole survey process as a service. Continue reading…

Update the information about underwater pipelines

The discussion about condition of freshwater and wastewater pipelines has been in Finnish news lately. In Finland, many of the pipelines date back to the 1960’s, some being even hundred years old, and similar numbers are also reported in other Nordic countries. It is easy to predict that the need for repairs is going to accelerate in the coming years. How can we prioritise the coming work? Continue reading…

Hydropower plant inspections require knowhow on different dam structures

VRT has been involved in hydropower safety development since 2015; co-operating with Finnish dam safety authorities in validating new methods for underwater surveys and serving energy utilities in Northern Europe in underwater structural inspections. Continue reading…

Verify the quality of a construction work with a 3D survey

In the underwater world construction projects are often more difficult than on land, as you don’t have a clear visual view to the result. 3D survey with a multibeam sonar offers an easy way to get a comprehensive picture with exact coordinates from the whole construction area. Continue reading…

Combine 3D data for the complete picture of your assets

VRT uses different remote sensing technologies to achieve a seamless and comprehensive picture of the client’s assets. Every technology is designed to gather accurate, georeferenced 3D data in different environments. Continue reading…

Interested in our services? Contact us!

Karri Kolehmainen & Ville Mäkeläinen

Karri Koistinen

+358 40 0604927




Ville Mäkeläinen

+358 44 513 2222



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