Rotech Subsea has debuted its new trenching tool on its first commercial assignment for cabling activity on an offshore wind project in the Baltic Sea.
The RS1-3 purpose-built cable trencher has completed a post-lay burial campaign for a series of multiple cable joints for the unnamed project.
Mobilised from Aberdeen and deployed via offshore support vessel crane, Rotech Subsea’s RS1-3 jet trencher completed the post-lay burial of multiple cable joints ranging from 50-300 metres long, ahead of schedule, in under two weeks, leading to savings on the overall project cost.
Rotech Subsea director of subsea Stephen Cochrane said: “This successful first operational deployment for our new RS1-3 tool has set a new standard for cable trenching.
“This development of another game-changing tool by our in-house R&D team will further enhance Rotech Subsea’s reputation as leader in non-contact cable trenching.”
Operational water depths ranged from 10-40 metres with sea states of 0.25-1.5Hs and currents of 1 knot.


