Siem Offshore Contractors completes Inter Array Grid cable installation works of the Nordsee One offshore wind farm (WK-intern) - Siem Offshore Contractors is pleased to announce that all 70 kilometres of inter array grid cables on the Nordsee One Offshore Wind Farm in the German Bight of the North Sea have now been installed, terminated, trenched and tested three weeks ahead of schedule. All 59 cables were successfully installed using the “Siem Duo” consisting of the Cable Lay Vessel (CLV) Siem Aimery and the Installation Support Vessel (ISV) Siem Moxie. These were supported by a further in-house Multi-Purpose Vessel (MPV) Siddis Mariner, which