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Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg


Customer: Vattenfall Vindkraft A/S / EnerginetLocation: The German part of the North SeaPeriod: 2021

Semco Maritime assisted with the repair of an offshore MV array cable (33 kV), including offshore logistics, authorised person (AP) support for switching and MV cable work – straight joints and T-connectors. The solution for the operation was delivered by the engineering and in-house staff of Semco Maritime.

  • Project management and planning
  • Reporting
  • Engineering MV
  • MV cable testing (DAC test)
  • Post termination testing
  • Offshore logistics management
  • Emergency response plans
  • Day-to-day coordination
  • Supply of authorised persons (APs) for switching operations on MV systems
  • Manpower coordination and supply
Competences and systems
  • The offshore tests were performed at a challenging time of year for CTV and offshore logistics management. However, Semco Maritime was able to optimise the time used offshore and ensure efficient execution
  • The cable termination process was optimised using onshore standby time for preparation work