Deme – Dogger Bank A OWF – January 2023 to Present – Termination & Testing of 66kV inter-array cables

Correll Electrical Engineering has been contracted by Deme Offshore NL B.V. to complete the 66kV inter-array cable (IAC) termination & testing on 95 WTG’s and the offshore substation platform on the first phase of Dogger Bank Wind Farm, including the installation of a Cable Monitoring System.

The offshore wind farm is being constructed in three 1.2GW phases; Dogger Bank A (with 95 wind turbines), Dogger Bank B (with 95 wind turbines), Dogger Bank C (with 87 wind turbines). The 3.6GW project will be the world’s largest offshore wind farm when completed in 2026.

Scope of supply can be summarized as following:

• 8 x 4 person Termination and testing (excluding VLF) Teams
• Supporting PM Team
• 2 x 4 person VLF Teams

Scope of work (but not limited to} the following elements:

• Pre-term testing as per the ITP.
• WTG protection.
• Permanent hang off.
• Re-install part sections of the containment.
• Stripping the outer subsea cable.
• Routing and cleating of the 3 x cores per subsea cable.
• Routing of the fibre optic cable 1 x 48 core per subsea cable.
• Installation of the fibre enclosures.
• Terminations (Pfisterer).
• Fibre Optic splicing
• Continuous monitoring system
• Supplementary earthing.
• Post termination testing as per the ITP
• HV VLF TP-to-TP testing
• Walkdowns
• Handover completion documentation.

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