Scope of Work
Categories:
Submarine Cable InstallationVessel Services
Lifecycle Stages:
Construction
Quantities:500 km submarine cable (array)
Cable Specifications:
TypeMVAC
Purposearray
Voltage66 kV
Source text:
Burial of all 192 inter-array cables (~500 km) under a Seaway7 subcontract
Contract Details
Award Date:6 Feb 2025
Client:
Seaway7
Description
Helix Robotics Solutions was awarded a subcontract by Seaway7 to carry out burial (trenching) of the inter-array cables at the Hornsea 3 offshore wind farm in the UK. Helix’s scope covered burial of all 192 inter-array cables, described as totalling approximately 500 km, using trenching and ROV systems and associated survey services, with the campaign scheduled to start in Q3 2026 and expected to last over 300 days.