Scope of supply
− Project management
− Engineering
− Shorelanding and floating operations for 500 m long HDPE-pipes
− Cable laying including ROV touch down monitoring for 160km (Four campaigns x 40 km).
− Bundling 2xHVDC and 1 FO-cable
− Launch and recovery operations for HV- and FO-joints
− Installation of 16 Crossings (Polyurethane splitpipes)
Specific challenges:
Long installation length in narrow and partially shallow archipelago environment.
Cable data
Cable type: HVDC Connection between Åland and Finland
DC voltage: ± 80 kV DC
Total cable length: 160 km
Campaigns: 4 x40 km