Norfolk Marine have completed the installation of the subsea elements for the Killybegs waste water outfall as a sub contract for Visser & Smit Hanab working for main contractor BAM. Our 8 man dive team working from the construction barge Skerchi carried out the following operations in 30m of water.
Location of directional drill bit on seabed and airlifting of drill string exit point
Setting up of subsea pipe pull equipment and monitoring pull
Underwater cutting of 450mm diameter HDPE pipe wall thickness 35mm
Connection of pipe transition piece
Construction of 150m long subsea pipeline and diffuser
Installation of precast concrete articulated scour mattress
