Monitoring of underwater assets

VRT and Jyväskylä Energy Group’s cooperation helps the Finnish energy company in construction, maintenance and post-construction asset management.  VRT’s inspections provide Jyväskylä Energy Group a solution for baseline information before the construction, quality control and assurance during the construction and monitoring of the structures. With long-term cooperation, change comparisons are possible, which facilitates predictive maintenance and asset integrity management.

In wintery conditions on Finland’s second largest lake, Lake Päijänne, VRT Finland Ltd surveyed altogether 10 km of underwater pipelines for Jyväskylä Energy Group. The energy company needed accurate maps of the location and condition of their underwater pipelines to plan for future investments.

The inspection took only four days and the end report was delivered on schedule. The survey result has been used to complement and support project work to ensure that solid project plans are built and unpleasant surprises are avoided.

The VRT method for pipeline inspection provides an accurate map of the pipeline network. Topographical challenges such as erosion or sharp stones can be detected. Misplaced or missing weights can also cause tension on the pipe. Potential risks were reported to Jyväskylä Energy Group, which allows the company to create a detailed plan to monitor the condition and to increase the lifespan of the structures.


We look forward to continuing the collaboration with VRT and we are happy to recommend VRT’s services to our colleagues in other energy companies as well

Timo Laurinmäki, Project Manager Water supply network, Jyväskylä Energy Group

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Finnish Transport Agency

Finnish Transport Agency

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Mikko Kolehmainen

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