Detailed image of underwater port structures

Our cooperation with Groningen Seaports, one of the largest port authorities and commercial operators in the Netherlands, was established as the port authority was interested in finding a partner that could provide innovative solutions to monitor the condition of underwater structures often left invisible with traditional inspection methods. For the busy port region, well-managed and proactive construction, maintenance and asset management is important for providing risk-free and efficient service to all port clients.

With the long-term cooperation and latest survey in 2018, we have surveyed already over 20 kilometres of structures for Groningen Seaports with innovative multibeam and laser scan technology. Groningen Seaports has received a digitized, visual representation of underwater assets and thorough structural analysis by licensed inspector through GISGRO online-service.


3D data easily online for smart utilization

With multibeam sonar and laser scanning surveys, collecting data from both under and above water surface simultaneously, Groningen Seaports can utilise the possibilities of the latest technology to obtain clear and detailed survey data without the inspections causing any downtime to normal day-to-day operations.

Regular cooperation allows long-term monitoring of the ports’ underwater assets. Detailed 3D survey data delivered to Groningen Seaports through GISGRO online-service provides the port authority crucial information needed to support proactive asset integrity management. All survey data can be stored and managed in GISGRO. The processed and interpreted 3D data can be utilised to plan construction and possible maintenance activities more accurately, which ensures the high-quality service in Groningen ports by extending the life-cycle of the structures.


Groningen Seaports logo

Groningen Seaports is the port authority for the port of Delfzijl, Eemshaven and the adjoining industrial sites. Read more about them here.

Cooperation with VRT is the basis for our long-term maintenance. VRT’s inspections are an economical way of mapping our entire area. We have chosen VRT because they have a method to carry out the inspections above and under water simultaneously and offer a unique online-service for data management. On the basis of the results, we can carry out further targeted inspections by divers, which provides us with a full picture of the existing situation

Henk Blaauw. Manager in Projects & Asset Management, Groningen Seaports

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Port of Dover

Port of Dover

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Karri Kolehmainen & Ville Mäkeläinen

Karri Koistinen

+358 40 0604927



Ville Mäkeläinen

+358 44 513 2222


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