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Windturbines
Aventa

Aventa

Offshore Cable Client Representative - Repair

Offshore Site

Saint Nazaire (Non specified)

Freelance

As soon as possible

Based on experience

Published 2 months ago

Client Representative – Offshore Cable Works (CLV)

Project Information

  • Project: Saint-Nazaire Offshore Wind Farm – Cable Repair

  • Package: SNA Inter-Array Cable (IAG)

  • Scope: Replacement / repair of inter-array cables

  • Vessel: Cable Laying Vessel (CLV)

Position in the Organization

The Client Representative is embedded within the project team and acts as the Client’s representative onboard the cable laying vessel.

Reporting line:

  • T&I Coordinator: Julien Salvy

  • Project Manager: Alexis Billet

Purpose of the Role

To represent the Client’s interests offshore during inter-array cable replacement and repair operations, ensuring that all works are executed in accordance with approved procedures, technical specifications, contractual requirements, and HSE standards.

Missions and Responsibilities

Main Role

In accordance with EEN-0062824 – Offshore Employer Representative Scope of Services, the Client Representative shall:

  • Act as the Client’s representative onboard the CLV during offshore cable operations

  • Monitor and verify cable recovery, laying, and connection activities

  • Ensure compliance with project specifications, methodologies, and HSE requirements

  • Identify, report, and escalate technical or operational issues to the Project Manager

  • Participate in daily operational and HSE meetings onboard

  • Contribute to daily reports and offshore operation reports

Project Context and Environment

  • Two inter-array cables are to be replaced at the Saint-Nazaire offshore wind farm

  • Approximate length: 1.2 km per cable

  • Water depth: approximately 20 m

  • Cables are not buried; stabilization is ensured by cast iron shells and rock bags in specific areas

Project Phases

  • Investigation phase: ongoing (outside the scope of this job description)

  • Preparation phase (March / April): cable cutting and rock bag relocation by divers (outside the scope of this job description)

  • Cable replacement (April):

    • Controlled recovery of damaged cables from foundations (x4)

    • Installation of new cable along the damaged route

  • Cable recovery (May – TBC):

    • Recovery of damaged cable from seabed (optional within the scope)

Scope of Activities Covered

Office Work

  • Estimated duration: 5 to 10 working days

  • Project familiarization and documentation review

  • Preparation and coordination meetings

  • Participation in operational reporting

Onshore / Pre-Offshore Works

  • Period: around Week 15

  • CLV mobilization and cable spooling follow-up

  • Estimated duration: 5 to 10 working days

Offshore Works

  • Two main offshore campaigns:

    • Around Week 16

    • Around Week 18

  • Cable laying operations:

    • Approx. 6 net working days per campaign

    • 15 days estimated per campaign, including weather contingency

Optional Offshore Scope

  • Around Week 20 (TBC)

  • Damaged cable recovery from seabed

  • Estimated duration: 6 to 10 days

Specific Offshore Responsibilities

  • Inspection of the cable pulling setup inside turbine foundations

  • Supervision of transfer operations:

    • Transfers performed using CTV directly from CLV to turbine foundation

  • Verification of compliance with approved offshore procedures and HSE rules

Required Qualifications and Certifications

Mandatory Certifications

  • HBO / Bachelor’s degree or equivalent experience

  • GWO First Aid

  • GWO Manual Handling

  • GWO Fire Awareness

  • GWO Working at Height (WAH)

  • GWO Sea Survival

  • GWO Boat Landing / Transfer

Expected Profile

  • Proven experience in offshore projects, preferably in subsea cable or offshore wind environments

  • Strong understanding of cable laying and recovery operations

  • Ability to operate effectively in offshore and marine environments

  • High level of autonomy, rigor, and sense of responsibility

  • Strong communication skills with offshore and onshore teams