Array Cables

DeepOcean has developed a strong track record in the offshore renewable sector offering  turnkey solutions for the design, engineering, supply, installation and burial of 33kV and 66kV subsea array cables. DeepOcean’s in-house expertise, proven and flexible vessel fleet, coupled with the worlds most comprehensive trenching capability, makes the company’s ability to offer an integrated array cable project solution unrivaled.

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DeepOcean’s experienced and dedicated in-house project teams manage, survey, design, engineer, procure and install array cable networks, whilst utilizing an in-house fleet of installation vessels and burial equipment.

DeepOcean’s primary array cable installation vessel is the Maersk Connector which is specifically set up and ideally suited to wind farm work providing lay spread, accommodation, tower team, survey and trenching tools from a single platform. The vessel has under deck cable storage tanks and a unique powered coiling system, enabling DeepOcean to carry between 5,000 and 7,000 tonnes of array cable in a single load out, ultimately reducing installation time and cost to client.

In addition, DeepOcean operates a number of vessels, including; the Deep Endeavour, Havila Phoenix, Volantis, and Rem Forza that provide under deck cable storage, can accommodate DeepOcean’s 2,000 tonne capacity carousel or back deck reels for array cable installation.

DeepOcean has successfully delivered a number of subsea array cable projects on BARD 1, Robin Rigg and Alpha Ventus offshore wind farms. The company continues to build on an impressive track record having secured array cable installation contracts for the Bligh Bank and Race Bank offshore wind farms. See DeepOcean’s Track Record for further details.

DeepOcean delivers array cable projects from concept to completion, including:

  • Installation feasibility study
  • Pre engineering cable route survey
  • Route design / optimisation
  • Project management, installation analysis and engineering
  • Geotechnical route assessment, risk analysis and burial tool selection
  • Supply of array cables, accessories and cable protection systems
  • PLGR and route clearance
  • Cable load-out, storage and transportation
  • Pre and post installation and burial surveys
  • Cable lay with experienced offshore installation teams
  • Platform set up and first & second end (with quadrant) cable pull-ins into foundations and  structures
  • Termination and Testing
  • Post lay trenching with the world most powerful and capable jet trenching and mechincal cutting vechiles
  • Remedial protection works
  • Maintenance and cable repair services

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