Part of Global Connect’s investment in building a new digital highway, Aurora. Baltic Offshore installed the submarine telecom cables between Sassnitz-Bornholm-Simrishamn and Bornholm-Öland-Gotland, as well as increased the capacity with a new subsea cable between Copenhagen and Malmö. Total length of installed submarine cables is over 460km where the majority of the route has been buried into the seabed by a jet trencher.
The Germany-Bornholm-Sweden route is about 170 km where the cables has been buried simultaneously during installation into the seabed by jet trencher/chain cutter.
Scope of supply
- Project management
- Engineering
- Cable delivery
- Pre lay grapnel run
- Shorelandings
- Simultaneous laying and trenching/chain cutting
- Nearshore / shallow water trenching/chain cutting
- Crossings, power cables and gas pipe
- Protection at landfall with rockbags
Specific challenges
High precision simultaneous laying and trenching operations in narrow UXO corridor.
Engineering and installation of gas pipe crossing with concrete mattresses, rockbags and Uraducts.
Crossings of power cables and future crossing areas with 2m trenching.
Simultaneous lay and chain-cutting operations in hard seabed conditions.
Cable data
Cable type: Hexatronic, 192 fibres, DA
Total length: (125 + 45) 170 km
Customer: Global Connect
