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1

Scope: Gemini OWF

Client: Van Oord

Gemini is a 600 megawatt (MW) offshore wind farm being built off the coast of the Netherlands. Construction started in 2015 by Van Oord and subcontractors with final commissioning expect for 2017. ECE Offshore was contracted by Van Oord to provide engineering support related to the installation of the two 80km-long export cables, infield cables and substation pull-ins.

Our Scope:

  • Joint deployment analyses for CLV Nexus
  • First-end pull-in analyses for CLV Nexus
  • Second-end pull-in analyses for CLV Nexus
  • Lay analysis for CLV Stemat Spirit
  • Mooring analysis including single line failure analysis for various barges
  • Joint deployment analyses for various barges
  • Design and fabrication of three pull-in quadrants located on the substations
  • Design of horizontal directional drilling (HDD) support structure
  • HDD pull-through analysis
  • Transspooling analysis between various barges and Nessie V
2

Scope: CIEG Cable Repair

Client: VBMS

Guernsey Electricity carried out a preventative repair on the undersea cable link between Guernsey and Jersey. VBMS was contracted to perform the repair works using installation vessel Ndurance.

ECE Offshore was contracted to support VBMS with the installation analysis and project engineering scope, including cable cutting & recovery, inline and omega joint deployment analysis and quadrant deployment analysis. ECE Offshore field engineers on board the Ndurance provided hands-on support during the complete campaign.

3

Scope: Touchdown monitoring of Normandie 1 Interconnector cable using OAYS Cable

Client: VBMS

VBMS used CLV Stemat Spirit for the installation of a new interconnector cable between Jersey and France. OASYS Cable was used for touchdown monitoring.

4

Scope: Rampion OWF: Touchdown monitoring & installation engineering works

Client: VBMS

ECE provided VBMS with cable installation analysis works for the installation of the Rampion export cables. Subsequently, OASYS Cable was used to monitoring the installation of one export cable.

5

Scope: Galloper OWF: Touchdown monitoring & installation engineering works

Client: VBMS

ECE provided VBMS with cable installation analysis works for the installation of the Rampion export cables. Subsequently, OASYS Cable was used to monitoring the installation of 44 array cables.

6

Scope: Racebank OWF: OASYS Cable touchdown monitoring

Client: DeepOcean

ECE provided DeepOcean with OASYS Cable for monitoring the installation of  17 array cables.

7

Scope: Walney OWF: Project Engineering & Installation Analyses

Client: VBMS

ECE provided VBMS with engineering support on the Walney 03+04 extension. Our scope included the development of the procedures, offshore field engineer and the full installation analysis for all array cables.

8

Scope: Gwynt y Môr cable repair: Project Engineering & Installation Analyses

Client: VBMS

VBMS was contracted to undertake a repair of the Gwynt y Môr export cable. Cable lay vessel NDurance performed the repairs in May / early June of 2015. ECE Offshore was contracted to provide on-side project engineering expertise and to perform fast-track analyses required to safely deploy two joints, followed by a final quadrant laydown.

Our scope:

  • Project engineering
  • Inline joint deployment analysis
  • Omega joint deployment analysis
  • Quadrant laydown analysis
  • Deck layout & seafastening calculations
9

Scope: London Array cable repair: Project Engineering & Installation Analyses

Client: VBMS

VBMS was contracted to undertake two array cable repairs on the London Array OWF. Cable repair barge Stemat 82 performed the repairs in April / May 2017. ECE Offshore was contracted to provide on-site project engineering expertise and to perform fast-track analyses required to safely deploy the two joints followed by second-end pull in operations.

Our scope:

  • Onshore & offshore project engineering
  • Inline joint deployment analysis
  • Second-end pull-in analysis
  • Cable recovery analysis
10

Scope: Ormonde cable repair: Installation Analyses

Client: VBMS

VBMS was contracted to undertake a export cable repairs on the Ormonde OWF.  Cable repair barge Stemat 82 performed the repairs in May 2017. ECE Offshore was contracted to  to perform fast-track analyses required to safely deploy the joint.

Our scope:

  • Omega joint deployment analysis
  • Quadrant laydown analysis
11

Scope: RAVN Umbilical Installation

Client: VBMS

VBMS has been awarded the Ravn-A6-A contract by Wintershall Noordzee B.V. The scope of work includes the installation, burial, survey and pull-ins of an 18.5km control umbilical which connects the Ravn platform to A6-A, located in the Danish and German sectors of the North Sea. The project was executed in July and August 2015, using VBMS’s installation vessel Ndurance. ECE Offshore provided VBMS with the first-end pull-in analysis, second-end pull-in analysis and final laydown analysis.

Scope:

  • Installation analysis
  • Project engineering
12

Scope: Northwind and Belwind II Export Cables

Client: Jan de Nul

Jan de Nul used CLV Willem de Vlamingh to install the Northwind Export cable and Belwind 2 Interconnector, which will export renewable energy from the Belwind and Northwind offshore wind farms back to the coast. ECE Offshore provided Jan de Nul with the complete PM&E scope.

Scope:

  • Project management
  • Installation analysis
  • Beach pull-in analysis
  • Vessel operability analysis
  • Project engineering
  • Design & provision of equipment
13

Scope: Hohe See & Albartros

Client: VBMS

ECE offshore provides project engineering support for the development of the Hohe See and Albatros offshore wind farms.

Track Record

ECE Offshore has been involved in engineering or operational activities at the following projects:

Dudgeon Export Cable Installation (touchdown monitoring)Galloper OWF (engineering & touchdown monitoring)
Rampion OWF (engineering & touchdown monitoring)Nordsee One (engineering)
Egmond (OWEZ) Cable Repair (engineering)RAVN Umbilical Installation (engineering
Hohe See OWF (engineering)Gemini OWF (touchdown monitoring & engineering
Kriegers Flak Interconnector (engineering)Northwind Export (engineering)
CIEG Cable Repair (engineering)Albatros OWF (engineering)
Blyth OWF (engineering)Belwind Interconnector (engineering)
Ormonde Export Cable Repair (engineering)London Array Cable Repair (engineering)
Rampion Cable Repair (engineering)Racebank OWF (touchdown monitoring)
Gwynt y Mor Cable Repair (engineering)Qatar Submarine Cable Installation (engineering)
Hornsea One Export Cable Installation (touchdown monitoring)Hornsea One Export Cable Repair (engineering
Kriegers Flak Interconnector (touchdown monitoring)Borkum West Export Cable (touchdown monitoring)
Horns Rev 3 (engineering)Norther Array (engineering)