Waens working with subsea pipelines and threncing in lake Mjøsa, Norway

Sjøledning senkes i Mjøsa

Waens main work area is protection of marine environment, but the knowledge and experience of our staff can also be useful in marine  construction.  In this case, establishing subsea pipelines for a new housing development project in Kapp by the lake Mjøsa.  The scope of works was construction of 1300 m Ø250/Ø225 water and sewer pipelines.  The pipelines was installed partly directly on the seabed, but Waens also did seabed threnching with an amphibious excavator.


Seabed threnching by amphibious excavator