Asso.subsea - Vesterhav Nord and Syd OWFs – April 2023 to March 2024 - 41 Array & 4 Export Cables

The Correll Group – Cable Installation & Power Services Division (CIPS) is pleased to announce that it has been awarded a contract by Asso.subsea to deliver the Offshore Pull-ins and Termination and Testing (WTG Cables Pull-in / T&T Operations) of 66kV export and inter-array submarine cables for the Vesterhav Nord and Syd wind farms in Denmark.

The two offshore wind farms consist of four export and 41 inter-array cables, for a total of more than 70 kilometres.

CIPS is responsible for:

• Pre-project meetings


• Monthly meetings


• Site visits


• Mock-up Trials


• Creations of RAMS


• Project HIRA meetings


• Pre Project training


• Mobilisation of PPE, Cable pulling equipment, tools & test equipment via 20ft containers


• Pre & Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry)


• Resonance Testing from onshore


• Inline jointing works connection the offshore windfarms to the onshore OSS

On the offshore assets:

• 
  
  
  
  • Cable pull of 41 IAC & 4 x Export cables.
  
  
  • Stripping the export cables to expose the HV cores and FO cable
  
  
  • Complete the temporary & permanent hang-off’s
  
  
  • Route the HV and FO cable into GIS and Fibre Enclosure on the WTG’s
  
  
  • Cleat the HV cores from the hang-off to the GIS / switch gear panels
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.
  
  
  
  

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Asso.Subsea - Godewind 3 / DolWin Kappa OWF – July 2023 to November 2023 

The Correll Group – Cable Installation & Power Services Division is delighted to announce that it has been successful in securing a contract with the offshore installation company Asso.subsea for the AC Submarine Cables pull in operations on both the Gode Wind 3 OWP Offshore Substation and the HVDC Offshore Substation DolWin Kappa as part of the AC grid connection system on behalf of the end client TenneT.

The summary of works included:

• Pre-project meetings


• Design and engineer the pulling methodology for both platforms


• Creation of RAMS


• Pre & Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry, tone generation).


• On the offshore assets:
  
  
  
  • 
    
    
    
    • Cable pull of 2 x export cables on 2 x OSS platforms
    
    
    • Supply Scaffolding for the support of the cable installation on GDE 3 OSS
    
    
    • Stripping the export cables to expose the HV cores and FO cable
    
    
    • Complete the permanent hang-off
    
    
    • Cleat the HV cores from the hang-off to the GIS
    
    
    • Terminate and splice the FO cable into the cabinet
    
    
    • Assist in the termination of the three power cores into the GIS
    
    
    • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)
    
    
    • Complete tone generation testing
    
    
    • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone
    
    
    • Deliver accurate As built records for the OWF installation.
    
    
    
    
  
  
  
  

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Jan De Nul – Formosa 2 OWF Cable Repair - July 2023 to August 2023 – IAC between 2x WTGs

Jan De Nul approached Correll Cable Installation and Power Services Division to support them with the cable pull/replacement on Formosa 2 Offshore Wind Farm.

Correll were responsible for the removal of the damaged IAC between x2 Wind Turbine Generators (WTGs) and the installation, termination and testing of the replacement IAC.

Scope of work included:

• Mobilising Technicians and Offshore Installation Manager 


• Pre-project meetings 


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• On the offshore assets: 
  
  
  
  • Cutting of existing array cables ready for extraction
  
  
  • Cable Pull operation.
  
  
  • Stripping the array cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into the OSS/WTGS
  
  
  • Cleat the HV cores from the hang off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Terminate power cores into the GIS
  
  
  
  

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Deme – Dogger Bank 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.

For further information: Contact Us

Seaway 7 – Zhong Neng OWF – January 2023 to Present – Termination & Testing of 66kV inter-array and export cables

Correll Electrical Engineering (CEE) has been contracted by Seaway 7 to complete the termination and testing of 29 66kV inter-array cables (IAC) and four landfall export cables on Zhong Neng Offshore Wind Farm. Scope of work also includes pre and post engineering and logistical operations.

The project will be split into two campaigns, with the first campaign scheduled for July 2023.

The summary of work includes:

• Onshore Mock up Trial


• Preparation of project specific engineering documentation & procedures.


• Planning assistance & coordination of the works.


• Post load testing.


• Install and connect the earthing cable from hang-off towards the earthing point.


• Protection of cable lugs and non-isolated parts which are exposed to the offshore environment with 3M™ Scotchkote™ Electrical Coating FD.


• Installation/termination of all required accessories for the completion of the FO Cable. Splice box. Splicing, installation of pigtails and earthing of the tube included.


• Supply of tools, test equipment, consumables, and PPE to perform the termination & test works inside the TP / WTG.


• IAC HV & FO Cables – perform ‘Site Acceptance Testing Post Installation’ .


• IAC HV & FO Cables – perform ‘Site Acceptance Testing Post-Termination’.


• Mechanical Completion Certificate and Associated QHSE Documentation.


• IAC T&T works.


• 2 x TJB terminations containing 2 x export cables each.

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Hellenic – Revolution OWF – January 2024 to Present – Termination & Testing of 66kV inter-array cables - 65 WTGs, 13 Strings. 2 OSS

The Correll Group, Electrical Engineering Division is pleased to announce that it has been successful in securing a contract with Hellenic Cables for the termination and testing of the inter array cables on the Wind Turbine Generators and Offshore Substation for the Revolution Wind Offshore Wind Farm.

Located approximately 15 nautical miles offshore southeast of Point Judith, Rhode Island, the approved version of the project will have an estimated capacity of 704 MW of clean energy, capable of powering nearly 250,000 homes.

Revolution Wind will supply 704 MWs of clean, affordable offshore wind power - providing 304 MW to Connecticut and 400 MW to Rhode Island. Located approximately 15 miles south of the Rhode Island coast, 32 miles southeast of the Connecticut coast and 12 miles southwest of Martha’s Vineyard.

Correll Group is responsible for the following activities: -

• Preparation of project specific engineering documentation & procedures.


• Planning assistance & coordination of the works.


• Onshore Mock-up trials.


• Hand over tests at Employers Storage Location.


• IPC HV cable installation & cleating, HV terminations at GIS, Transformer and Auxiliary transformer including HV cable testing at 2 x OSS in an international Onshore shipyard (Singapore)


• PCC Subsea cable terminations offshore at each WTG including installation of permanent hang-off, cable stripping and fixing, HV termination and testing, FO terminations and testing


• PCC Subsea cable terminations offshore at 2 x OSS including installation of permanent hang-off, cable stripping and fixing, HV termination and testing, FO terminations and testing


• Mechanical Completion Certificate and Associated Documentation.

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Prysmian – GodeWind 3 & Borkum Riffgrund 3 OWF – January 2023 to Present – Termination & Testing of 66kV inter-array cables

The Correll Group, Electrical Engineering Division has been successful in securing a contract with Prysmian Powerlink for the testing and terminations of the 66kV inter-array cables and platform topside cables on the GodeWind 3 and Borkum Riffgrund 3 Offshore Wind Farms.

The project will be completed over 3 phases; the first phase commencing imminently involves the PCC Extension Cables Installation on the Gode Wind 3 substation.

Schedule of works:

• Mock Trial: Mid Jan 2023 – Duration: 10 Days


• Godewind Substation Onshore Works: Mid Feb 2023: Duration 14 Days


• Borkum Riffgrund 3 Onshore Works: Jan 2024: Duration 48 Days


• Godewind 3 & Borkum Riffgrund 3 Offshore Works: March 2024: Duration 84 Days

Correll is responsible for:

• Preparation of project specific engineering documentation & procedure.


• Topside cable installation works on GOW3 OSS in shipyard


• Topside cable installation works on BKR3 OCS in shipyard


• WTG Mock Up Trial


• Inter-Array cabling termination & testing on 106 WTG’s consisting of
  
  
  
  • Installation of the permanent hang-off
  
  
  • Routing, cleating of the HV power cores, FO cables and earth cables
  
  
  • Termination of TE 66kV Terminations
  
  
  • Pre & Post Termination Testing
  
  
  
  


• Platform Connection Cable termination & testing on 4 Strings on the GOW3 OSS and 12 Strings on the BKR3 OCS consisting of
  
  
  
  • Installation of the permanent hang-off
  
  
  • Routing, cleating of the HV power cores, FO cables and earth cables
  
  
  • Installation of Pfisterer size 4 terminations.
  
  
  • Pre & Post Termination Testing
  
  
  
  

For further information: Contact Us

Wirescan – Carrera Pinto Solar Park – June 2023

Correll Group, High Voltage Management Division was approached by Wirescan, the pioneer of Wirescan Digital, a cable condition monitoring software following our previous installation works at London Array Offshore Wind Farm.

Works consisted of the installation of the cable monitoring sensors at all outgoing circuit feeders on the Carrera Pinto Solar Park located in Chile, SA.

The objective was to attain cable monitoring data that can be reviewed during site operations.

Schedule of works:

• Review site documentation such at single line diagrams and installation procedures


•  Mobilise one specialist HV Technician to Chile


• Pre-project meetings


• Installation of the cable monitoring sensors


• Support the client when required for the commissioning works.

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GE Grid – Saint Nazaire, Fecamp, Courseulles OWF’s – December 2023 to January 2024

SPIE Industries carried out the Oil Sampling on the main transformers at 33kV/225kV 280MVA on Saint Nazaire, Fecamp and Courseulles OWF’s for GE Grid.

Oil treatment was subcontracted to a partner, however the SPIE team was heavily involved in the complete operation to assisted their partner.

SPIE also conducted Oil Sampling on the Hitachi Transformers ABB - 0.2MVA – 33/0.84/0.4kV, which were stored as spare parts for the HAL-150 E-stack.

SPIE Industries was responsible for the following activities: 

• Preparation for activities


• RAMS (special care for leakage and waste management)


• Digital reports preparation for inspection with tablets or phones : aim is to be more efficient and produce instantaneous reports,


• Waterproof check


• Global visual inspection ( painting, cleanliness)


• Protection TR Check : Buchholz, oil level


• Control & check of valve positioning


• Dryer Check the and silica gel replacement


• Electrical test:
  
  
  
  • Insulation resistance under 5dVdc:
  
  
  • PH Primary/earth
  
  
  • Primary PH/ Secondary PH
  
  
  • Primary PH / Tertiary PH
  
  
  • Secondary PH/earth
  
  
  • Tertiary/earth pH
  
  
  • Primary/Secondary transformation ratio on the 5 positions of the CPH.T.
  
  
  
  


• Oil sampling and analysis in the laboratory:
  
  
  
  
  
  • Dielectric strength
  
  
  • Water content
  
  
  • DGA.
  
  
  
  


• Oil refuelling with new oil type MIDEL 7131:
  
  
  
  • Ground circuit check
  
  
  • Overall cleaning
  
  
  • Applying a revision tag.
  
  
  
  


• Withdrawal from the construction site:
  
  
  
  • Site cleaning
  
  
  • Reception breakpoint in the presence of the customer
  
  
  • Site closure
  
  
  • Return of Work Orders.
  
  
  
  


• Submission of final reports within 3 weeks:
  
  
  
  • Photo folder
  
  
  • Intervention report.
  
  
  
  

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Seaway Offshore Cables – CFXD OWF - January 2022 to Present - 62 Array and 4 Export Subsea Cables

Correll Group, Electrical Engineering Division was awarded their 5th contract associated with an offshore windfarm located in the Taiwan Strait, an endorsement which firmly establishes our reputation and position in a global market.  CFXD consists of 62 WTG’s.

The summary of work includes:

• Pre-project meetings


• Site visits


• Assistance of creation of associated documentation


• Project HIRA meetings


• Mock-up trials


• Mobilisation of PPE & tools via a 20ft container


• Visa & Work Permit applications


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• Tower mobilisation and preparation


• Route the HV and FO cable into the TP/WTGS


• Cleat the HV cores from the hang-off to the GIS


• Terminate and splice the FO cable into the cabinet


• Terminate power cores (66kV) into the GIS


• Complete post installation testing from the onshore substation to the offshore asset (DAC, IR, TDR & OTDR)


• Deliver an Inspection and Test Plan of the installed and tested system, forming part of key payment milestone.


• Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

For further information: Contact Us

 

Prysmian Group – Saint Brieuc OWF - January 2023 to Present - Termination & Testing of 66kV inter-array cables

The Correll Group, Electrical Engineering Division (CEE) is pleased to announce that it has been awarded a contract from Prysmian Group to complete the 66kV inter-array cable (IAC) termination & testing on Saint Brieuc Offshore Wind Farm.

Correll will deliver works on both the Wind Turbine Generators and Offshore Substation.

The project will be split into two campaigns; Q4 2022 x 18 IAC’s, and the remaining 44 IAC’s scheduled for installation in Q2 2023.

The St Brieuc Windfarm project will comprise of 62 Wind Turbine Generators (WTG) of 8MW each and 1 Offshore Substation providing a total capacity of up to 496MW. The summary of work includes:

• Pre-project meetings


• Monthly meetings


• Site visits


• Mock-up Trials


• Creations of RAMS


• Project HIRA meetings


• Pre Project training


• Mobilisation of PPE, Cable pulling equipment, tools & test equipment via 20ft containers.


• Pre & Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).


• VLF testing

On the offshore assets:

• Tower mobilisation and preparation


• Cable Pull-in’s


• Stripping the array cables to expose HV cores and fibre optical cable


• Complete the permanent hang-off


• Route the HV and FO cables into the GBS


• Route the HV and FO cable into the OSS


• Cleat the HV cores from the hang off to the Connex Joints on both WTG’s / OSS


• Apply fire retardant heat shrink to the HV cores from the hang off to the Connex Joints on the OSS


• Terminate and splice the FO cable into the termination box


• Terminate Pfisterer size 4 power cores into the Connex Joints


• Complete post installation testing on the WTG asset (VLF / PD & TD, OTDR)


• Deliver all “As Built” documentation.

For further information: Contact Us

Asso.subsea – Saint Brieuc OWF - January 2023 to Present - HV subsea cable pull-in

Correll Group, Cable Installation & Power Services Division (CIPS) is delighted to announce it has been awarded a contract with Asso.subsea, a specialized global contractor in the submarine cable industry for cable pull-in operations on the Saint-Brieuc Offshore Wind Farm. The full scope of work includes pulling HV subsea cables into the 62 Wind Turbine Generators as well as the Offshore Sub Station.

The project will be split into two campaigns, with the first campaign starting imminently.

Summary of work includes:

• Pre-project meetings


• Pre-Engineering


• Monthly & Weekly meetings


• Site visits


• Mock-up Trials


• Creations of RAMS


• Project HIRA meetings


• Pre Project training


• Mobilisation of Personnel, PPE, tools and cable pulling equipment via 20ft containers on SOV from Port of Middlesbrough

On the offshore assets:

• Initial inspection (As Found Report)


• Tower mobilisation and preparation


• Cable Pull-in’s


• Complete the temporary hang-off


• As built recording.

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Seaway Offshore Cables – Yunlin OWF - February 2020 to Present - 81 Array and 12 Export Subsea Cables

Correll Group, Electrical Engineering Division (CEE) was awarded a third contract associated with an offshore windfarm located in the Taiwan Strait, an endorsement which firmly establishes our reputation and position in a global market.  Yunlin consists of 80 WTG’s and is the first 66kV OWF to be constructed in the region. CEE was fully involved in the Type-Testing & Pre-Qualification processes conducted at the array and export cable manufacturers facilities in Japan and South Korea respectively.

Summary of work included:

• Pre-project meetings


• Site visits


• Type-Testing & Pre-Qualification of 66kV cables at manufacturers facilities


• Creation of associated documentation


• Project HIRA meetings


• Mock-up trials


• Mobilisation of PPE & tools via a 20ft container


• Visa & Work Permit applications


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• Tower mobilisation and preparation


• Route the HV and FO cable into the TP/WTGS


• Cleat the HV cores from the hang-off to the GIS


• Terminate and splice the FO cable into the cabinet


• Terminate power cores (66kV) into the GIS


• Complete post installation testing from the onshore substation to the offshore asset (VLF, IR, TDR & OTDR)


• Deliver an Inspection and Test Plan of the installed and tested system, forming part of key payment milestone.

For further information contact Peter Dinsdale, Business Lead, Electrical Engineering: peterdinsdale@correllservices.com 

 

Hellenic - South Fork OWF – January 2023 to December 2023 – 12 Termination & Testing of 66kV Platform Connector Cables (PCC) & Inter-Array Cables (IAC).

The Correll Group, Electrical Engineering Division is delighted to have completed the South Fork Offshore Windfarm in the USA.

South Fork is New York’s first offshore wind farm and constitutes of 12 Wind Turbine Generators (WTG’s), 2 Strings with 1 Offshore Sub Station (OSS). The scope was successfully delivered in two phases, the 1st phase was the completion of the Offshore Substation cable pulling and Terminations of the Platform Connector Cables (PCC) in Corpus Christi Texas.

The 2nd campaign was the offshore scope of termination and testing on the 12 WTG’s, located 16.6 nautical miles southeast of Rhode Island's Block Island and 26 nautical miles east of Montauk Point on the South Fork of New York's Long Island.

To be awarded this contract by Hellenic Cables for the termination and testing works on the inter array cables on both the offshore substation and wind turbine foundations has been a great opportunity for Correll Electrical Engineering teams to draw on its experience in delivering projects globally. Correll are proud to have delivered the project utilising local content and unionised labour while harnessing the EU experienced resource needed to meet programme expectations.

The summary of works included:

• Preparation of project specific engineering documentation & procedures.


• Planning assistance & coordination of the works.


• Onshore Mock-up trial


• Pre-mobilisation competence cable preparation and jointing trials at Hellenic Cables Factory.


• Pre works hand over inspection walkdown certificate.


• US Onshore shipyard (Corpus Christi, Texas) - IPC HV cable installation & cleating, Continuity & DC Sheath testing, Pfisterer size 4 HV terminations GIS Transformer & Joints


• Offshore Pre-Termination Testing, Continuity & DC Sheath


• Offshore Nexans 66kV cable terminations at each WTG including installation of permanent hang-off, cable stripping and fixing, HV termination and testing, FO terminations and testing


• Offshore PCCE Subsea cable terminations at the OSS including installation of permanent hang-off, cable stripping and fixing, HV termination and testing, FO terminations and testing


• Post Termination Testing, LIRA & TDR


• Mechanical Completion Certificate and Associated As-Built Documentation.

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Prysmian – Fécamp OWF - August 2022 to October 2022 - 220kV Export Cable Pull, Termination and Testing (2 x Export Cables)

The Correll Group is pleased to announce that it has been awarded a contract from Prysmian Group to provide the pull-in of two 225 kV HVAC export cables (each about 17.5 km in length), to the offshore substation platform for the Fécamp offshore wind farm. Scope of works also includes the termination and testing of 71 33kV array cables and two offshore substation interconnector cables.

Correll Cable Installation & Power Services Division (CIPS) is responsible for:

• Pre-project meetings


• Creation of RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• Cable pull of 2 x export cables.


• Stripping the export cables to expose the HV cores and FO cable


• Complete the permanent hang-off


• Route the HV and FO cable into GIS and Fibre Enclosure


• Cleat the HV cores from the hang-off to the GIS


• Terminate and splice the FO cable into the cabinet


• Terminate three power cores into the GIS


• Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)


• Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

Correll Electrical Engineering Division (CEE) is responsible for:

• Pre-project meetings


• Monthly meetings


• Site visits


• Mock-up Trials


• Creations of RAMS


• Project HIRA meetings


• Pre Project training


• Mobilisation of PPE, Cable pulling equipment, tools & test equipment via 20ft containers.


• Pre & Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).


• VLF testing

On the offshore assets:

• Tower mobilisation and preparation


• Cable Pull-in’s


• Stripping the array cables to expose HV cores and fibre optical cable


• Complete the permanent hang-off


• Route the HV and FO cables into the GBS


• Route the HV and FO cable into the OSS


• Cleat the HV cores from the hang off to the Connex Joints on both WTG’s / OSS


• Apply fire retardant heat shrink to the HV cores from the hang off to the Connex Joints on the OSS


• Terminate and splice the FO cable into the termination box


• Terminate Pfisterer size 4 power cores into the Connex Joints


• Complete post installation testing on the WTG asset (VLF / PD & TD, OTDR)


• Deliver all “As Built” documentation.

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Siemens Gamesa – May 2022 to February 2023 - Framework Agreement – HV/APs for HV Terminations/HV Switching within the Wind Turbine Generator's (WTG's) 

Correll Group, Electrical Engineering Division (CEE) has secured a framework agreement with Siemens Gamesa Renewable Energy to supply High Voltage (HV) Installation Technicians and Authorised Persons (AP's) to perform HV Terminations and HV Switching within the Siemens Gamesa WTG's.

Substantial investment into their directly employed technician’s future development enabled Correll to transfer their skill-set from inter-array and export cable campaigns, to topside WTG transformer tail installations, HV Switching and HV Terminations with ease.

Following on from the award, CEE have now identified technicians for the 2023 pipeline, and both in-house and external training is well underway to ensure all technicians meet both the CEE and Siemens Gamesa extremely high standards.

Siemens Gamesa demand the highest quality from their subcontractors and we at Correll are delighted to demonstrate full compliance throughout. We look forward to working together throughout the world.

For further information contact Will Sharrock, Business Lead, HV-Management: willsharrock@correllservices.com

 

Prysmian Powerlink - Courceulles-sur-Mer OWF – May 2023 to Present - 220kV Export Cable Pull, Termination and Testing (2 x Export Cables)

The Correll Group – Cable Installation & Power Services Division (CIPS) has been awarded a contract from Prysmian Group to provide support for the pull-in and installation of two 225 kV HVAC export cables (each about 17.5 km in length), to the offshore substation platform for the Courseulles-sur-Mer offshore wind farm.

The 448 MW Calvados offshore wind project is comprised of 64 GE Haliade 150-6MW series wind turbines located more than 10km from the Bessin coastline and occupies a total surface area of approximately 45km².

CIPS is responsible for:

• Pre-project meetings


• Creations of RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry)


• On the offshore assets:
  
  
  
  • Cable pull of 2 x export cables.
  
  
  • Stripping the export cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into GIS and Fibre Enclosure
  
  
  • Cleat the HV cores from the hang-off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Terminate three power cores into the GIS
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.
  
  
  
  

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Global Marine – Acadis OST 1 – September 2022 to November 2022 – 27 Array Subsea Cables

The Correll Group, Electrical Engineering Division (CEE) have been successful in securing a contract from the Global Marine Group for the post installation integrity testing of all 27 inter-array cables on the Arcadis Ost 1 offshore wind farm.

Arcadis Ost 1 is located in the Baltic Sea, 19 km northeast of the island of Rügen in Germany. Spanning an area of 29 km² and consisting of 27 Vestas V 174 – 9.5 MW wind turbines, Arcadis Ost 1 will have the capacity of 257 MW when fully operational, producing enough green energy to power up to 290,000 households.

The summary of work included:

• Pre-project meetings


• Monthly meetings


• Creations of RAMS


• Project HIRA meetings


• Pre Project training


• Mobilisation of PPE, Cable pulling equipment, tools & test equipment.


• Pre & Post Lay Testing (Continuity, Insulation Resistance and Optical Time Domain Reflectometry).

Following completion of the offshore phase two spare IACs were offloaded to reels and the following tests were undertaken;

• 
  
  
  
  • Visual inspection.
  
  
  • Uni-directional OTDR of 25% of the IAC fibre-optics.
  
  
  • TDR measurement of the conductors.
  
  
  • IR tests (DC voltage test of the outer sheath of all three cores, in accordance with IEC63026, chapter 13.2).
  
  
  
  

On the offshore assets:

• 
  
  
  
  • Stripping the array cables to expose HV cores and fibre optical cable.
  
  
  • Resealing the cable ends and ensuring the cable is safely stowed before departing site.
  
  
  
  

Prysmian - Neart Na Gaoithe OWF - July 2022 to October 2022 - 220kV Export Cable Pull-in, Termination & Testing

The Correll Group, Cable Installation & Power Services Division (CIPS) is pleased to announce the successful completion of the first phase of a recent contract awarded by Prysmian Powerlink on EDF Renewables UK and ESB owned Neart na Gaoithe (NnG) offshore wind farm.

The first and completed phase was for the pull-in of a 220kV HVAC export cable to each of two offshore substation platforms. The scope of work also consisted of the internal platform works on the south platform including; securing the subsea cable at the hang-off, stripping, routing & cleating the High Voltage (HV) cores to the switchgear, separating, installing and splicing the fibre optic cables. HV & OTDR testing was also performed following the completion of each export cable.

The second and final phase, scheduled for 2023, will involve the completion of the internal platforms works on the north platform.

CIPS was responsible for:

• Pre-project meetings


• Creation of RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• 
  
  
  
  • Cable pull of 2 x export cables on 2 x OSS platforms
  
  
  • Supply Scaffolding for the support of the cable installation
  
  
  • Stripping the export cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into GIS and Fibre Enclosure
  
  
  • Cleat the HV cores from the hang-off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Assist in the termination of the three power cores into the GIS
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR).
  
  
  
  

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Prysmian – Saint Nazire OWF; Stage 1 September 2021 to January 2022 - 220kV Export Cable Pull-in, Termination and Testing (2 x Export Cables) Stage 2 May 2022 to October 2022 – Termination and Testing – 33kV inter array cables

Correll Group were delighted when Prysmian awarded our organisation the Cable Pull-in and testing and terminations of the Inter Array Cables, to the WTG/OSS termination point on the Saint Nazaire wind farm project.

The Saint Nazaire Windfarm project will comprise of 80 Wind Turbine Generators (WTG) 6 MW each and 1 Offshore Substation providing a total capacity of up to 480MW. Scope of work includes:

Correll Cable Installation & Power Services Division (CIPS)

• Pre-project meetings


• Creation of RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• Cable pull of 2 x export cables.


• 
  
  
  
  • Stripping the export cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into GIS and Fibre Enclosure
  
  
  • Cleat the HV cores from the hang-off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Terminate three power cores into the GIS
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.
  
  
  
  

Correll Electrical Engineering (CEE)

• Planning assistance & coordination of the works


• Arranging accommodation for the termination & test teams


• De-armouring of the inter array cable which includes removing outer yarns / outer sheath, armouring, fillers and untwist power cores and FO cable


• Installation of the permanent hang-off (from temporary to permanent) of the inter array cables


• Install and connect the earthing cable from hang-off towards the earthing point


• Routing and fixation of the HV power cores, FO cables and earth cables on the


• cable ladders of the OSS / TP / WTG


• Installation/termination of all required accessories for the completion of the FO Cable. Splice box. Splicing, installation of pigtails and earthing of the tube included


• Supply of tools, test equipment, consumables, and PPE to perform the termination & test works inside the OSS / TP / WTG


• Removal of the cable support frame and debris


• Installation of the surge arrestors at the cable bays of the 33kV switchgear on the OSS


• IAC & OSS HV & FO Cables – perform ‘Site Acceptance Testing Pre-Termination’


• IAC & OSS HV & FO Cables – perform ‘Site Acceptance Testing Post-Termination’.

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Siemens – Yunlin OWF – May to June 2024

Correll deployed 66kV AP to carry out isolations and earthing on the 66kV 8VM1 switchgear.

Following this the AP will carry out HV service works on transformer and switchgear.

 

Siemens – Yunlin OWF – June 2023 to August 2023

Correll have been requested to supply a 66kV SAP/HV Technicians to carry out the annual HV service campaign. This involves carrying out high voltage isolations, earthing and carrying out the HV service works on the WTG.

 

Synera Renewable Energy – Formosa 1 – April 2023 to May 2023

The Correll Group, Electrical Engineering Division were requested to supply a 33kV SAP to carry out the annual HV service campaign.  This involves carrying out high voltage isolations, earthing and carrying out the HV service works on the WTG.

 

Transmission Investment – Westermost Rough Onshore Substation – July 2018

CHVM was awarded a contract to upgrade 2 x Neutral Earth systems on the 220kV transformers.

 

Senvion – Nordergrunde OWF – October 2016 to February 2017 1.

Correll HV Management was contracted to CWind to provide termination, testing and commissioning activities on Senvion owned assets on the Nordegrunde OWF.  Correll engaged a project team of 8 specialist jointers, testers and commissioning engineers to perform the following activities:

• Pre-projects meetings


• Pre-projects Documentation, Procedures and RAMS


• Cable terminations on the 33Kv transformer, NKT CB 36-630


• Continuity, VLF and PD testing on the offline 33KV switchgear to transformer cable


• Secondary injection testing on the REF 630 relay system for the CT commissioning


• Commissioning works on the ABB ZX0.2 Switchgear & Switching activities


• Issue ITS as part of client request and payment milestones.

 

Westermost Rough off/on shore substation asset maintenance – 2016 to Present  1.

Correll HV Management has a long-term services agreement with CWind for completing periodic inspections on the following assets:

• HV transformer inspection


• HV switchgear inspections


• Transformer oil sampling


• Partial Discharge testing


• LV systems


• Visual inspections on cable routing.

 

Siemens Gamesa – May 2022 to February 2023 - Framework Agreement – HV/APs for HV Terminations/HV Switching within the WTGs

The Correll Group, Electrical Engineering Division has secured a framework agreement with Siemens Gamesa Renewable Energy to supply High Voltage (HV) Installation Technicians and Authorised Persons (APs) to perform HV Terminations and HV Switching within the Siemens Gamesa Wind Turbine Generators (WTGs).

Substantial investment into their directly employed technician’s future development enabled Correll to transfer their skill-set from inter-array and export cable campaigns, to topside WTG transformer tail installations, HV Switching and HV Terminations with ease.

Following on from the award, CEE have now identified technicians for the 2023 pipeline, and both in-house and external training is well underway to ensure all technicians meet both the Correll Electrical Engineering and Siemens Gamesa extremely high standards.

Siemens Gamesa demand the highest quality from their subcontractors and we at Correll are delighted to demonstrate full compliance throughout. We look forward to working together throughout the world.

 

Vattenfall – Kriegers Flak OWF – July 2022 to September 2022

The Correll Group – High Voltage Management division is delighted to announce that it has been asked to assist Vattenfall in the supply of PCEI’s for the annual HV Maintenance campaign.

The PCEI will carry out HV isolations, earthing and issue of safety documents.

 

SRE – Formosa 1 OWF – March 2022 to July 2022

The Correll Group – High Voltage Management division was awarded a contract from SRE to support with a Senior Authorised Person (SAP) and a Control Engineer to the Formosa 1 Offshore Wind Farm in Taiwan.

Correll will deliver works both offshore, on the Wind Turbine Generators and onshore on the substation. During the course of works Correll will also be carrying out a tailored HV training program that will authorise the local engineers to carry out safety of the system on their own HV networks.

 

Vattenfall – Kriegers Flak OWF – February 2022 to March 2022

The Correll Group – HV Management Division (CHVM) was awarded a contract from Vattenfall to supply two platform managers to oversee all works on the offshore substation for Kriegers Flak offshore wind farm - this involves all aspects of safely working offshore on a fully energised offshore substation platform.

 

Orsted – Burbo Bank Onshore Transformer Maintenance – October 2021

Correll Group, HV Management (CHVM) was contracted to Orsted and provided AP’s to conduct the inspection and replacement of a transformer leak at the onshore 33kV transformer.

 

GE – Merkur OWF – July 2018 to May 2019

CHVM was contracted to RTS Wind AG/GE and provided support with thirty-two HV and LV electrical technicians (SAP & AP’s), performing the following activities on the WTG:

• Completing works as team leaders of contracted companies


• Conducted HV switching operations and isolations


• Completing HV terminations on the transformer and GIS cable


• Completing LV works as per GE task cards


• Completing LV testing, IR, continuity and function tests


• Terminations of LV cables into the junction boxes


• Installation of fibre optical cable and termination

 

Transmission Investment – Westermost Rough Onshore Substation – July 2018

CHVM was awarded a contract to upgrade 2 x Neutral Earth systems on the 220kV transformers.

 

For further information contact Will Sharrock, Head of HV-Management: willsharrock@correllservices.com

 

Jan De Nul - Princes Amalia OWF Cable Repair - October 2021 to January 2022 - Array Cable Pull-in, Termination & Testing

Jan De Nul approached Correll to support them with the Cable Pull, HV and FO services associated with the Princes Amalia cable repair/replacement project. This is a turnkey project utilising Correll’s Termination, Testing and Cable Pull-in services.

Scope of work included:

• Mobilising 20 Technicians and 2 Offshore Installation Manager


• Pre-project meetings


• Procurement of High Voltage and Fibre Optical materials


• Site visits


• Creation of RAMS


• Creation of quality documentation


• Project HIRA meetings


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• 
  
  
  
  • Cutting of existing array cables ready for extraction
  
  
  • Cable Pull operation.
  
  
  • Stripping the array cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into the OSS/WTGS
  
  
  • Cleat the HV cores from the hang off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Terminate power cores into the GIS
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.
  
  
  
  

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GE – Dogger Bank OWF – June 2022 to January 2024

Correll Group, HV Management Division was contracted by GE to carry out HV cable tests of the 66kV cable between the GIS switchgear and Junction box to confirm the cable is electrically sound before shipped offshore the Dogger Bank project.

 

GE – Rotterdam – June 2022 to January 2024

Correll Group, HV Management Division was contracted to carry out 72.5KV VLF testing on the transformer cable at all assets for Dogger Bank A Offshore Windfarm.

 

Siemens – NNG OWF – February 2023 to November 2023

Correll to supply a team of High Voltage Technicians to carry out secondary injection testing and clean air filling. Additional to this Correll with supply fully authorised 66kV high voltage technicians to carry out the installation of the 66kV transformer circuit works.

 

Wirescan – Chile Carrera Pinto Solar Park – March to June 2023

Correll to supply a specialist engineer to install cable sensors on a series of circuits at a solar park in Chile. Additional to this Correll provided specialist training in the installation and commission works

 

Siemens Gamesa – May 2022 to February 2023 - Framework Agreement – HV/APs for HV Terminations/HV Switching within the WTGs

The Correll Group, Electrical Engineering Division has secured a framework agreement with Siemens Gamesa Renewable Energy to supply High Voltage (HV) Installation Technicians and Authorised Persons (APs) to perform HV Terminations and HV Switching within the Siemens Gamesa Wind Turbine Generators (WTGs).

 

Vattenfall – Kriegers Flak OWF – February 2022 to March 2022

The Correll Group – HV Management Division (CHVM) was awarded a contract from Vattenfall to supply two platform managers to oversee all works on the offshore substation for Kriegers Flak offshore wind farm - this involves all aspects of safely working offshore on a fully energised offshore substation platform.

 

Transmission Investment – Westermost Rough Onshore Substation – July 2018

CHVM was awarded a contract to upgrade 2 x Neutral Earth systems on the 220kV transformers.

 

GE – Merkur OWF – July 2018 to May 2019

CHVM was contracted to RTS Wind AG/GE and provided support with thirty-two HV and LV electrical technicians (SAP & AP’s), performing the following activities on the WTG:

• Completing works as team leaders of contracted companies


• Conducted HV switching operations and isolations


• Completing HV terminations on the transformer and GIS cable


• Completing LV works as per GE task cards


• Completing LV testing, IR, continuity and function tests


• Terminations of LV cables into the junction boxes


• Installation of fibre optical cable and termination

For further information contact Will Sharrock, Head of HV-Management: willsharrock@correllservices.com

 

SRE – Formosa 1 OWF – March 2022 to July 2022

Correll High Voltage Management (HV-M) secured a contract from SRE to provide assistance for the Formosa 1 Offshore Wind Farm in Taiwan. The contract involves deploying a Senior Authorised Person (SAP) and a Control Engineer, who will be actively engaged in onshore and offshore project activities.

In addition to project delivery, Correll Group will implement a tailored SAP training program throughout the project. This comprehensive training initiative encompasses a diverse range of instructional methods, including both theoretical and practical sessions conducted both onshore and offshore.

Post-training, the Operations and Maintenance (O&M) team will be equipped with the skills necessary to independently manage and operate their High Voltage (HV) networks.

For further information contact Will Sharrock, Head of HV-Management: willsharrock@correllservices.com

Asso Subsea – Kaskasi II OWF – April 2022 to May 2022 - 155kV Export Cable Pull-in 

Correll Group were delighted that Asso Subsea awarded our organisation their first contract for the cable pull in contract on the Kaskasi ll project. Correll was responsible for:

• Pre-project meetings


• Creation of RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• 
  
  
  
  • Cable pull of export cables between 2 x platforms
  
  
  • Installation of the cable pull-in quadrants
  
  
  • Tone generation testing
  
  
  
  

Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

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Jan De Nul – Formosa 2 Offshore Wind Farm – January 2022 to September 2022 – 66kV Array & Export Cables

Correll Electrical Engineering (CEE) were delighted that Jan De Nul once again chose our company to complete the subsea cable termination & testing works on their 3^rd contract Taiwan waters. The Formosa 2 project will be managed through our Taiwan Brach with the HQ in Taipei,  we shall be deploying our two local technicians onto the project throughout.

On the Formosa 2 project, Correll Services was responsible for:

• Pre-project meetings


• Site visits


• Creation of RAMS


• Mock-up trials at Switchgear and TP manufacturers facilities in Indonesia.


• Creation of quality documentation


• Project HIRA meetings


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).


• Onshore export cable stripping and routing


• Onshore export jointing of the HV & FO cables

On the offshore assets:

• Stripping the export cables to expose the HV cores and FO cable


• Stripping the array cables to expose the HV cores and FO cable


• Complete the permanent hang-off


• Route the HV and FO cable into the TP/WTGS


• Cleat the HV cores from the hang-off to the GIS


• Terminate and splice the FO cable into the cabinet


• Terminate three power cores into the GIS


• Complete post installation testing from the onshore substation to the offshore assets (VLF, IR, TDR & OTDR)


• Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

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Jan De Nul – Formosa 2 Offshore Wind Farm – November 2021 to December 2021 

Mock up of the Termination & Testing scope of works in preparation for works on the Formosa 2 OWF. Mock up included; cable installation, completion of the temporary and permanent hang off, stripping, routing & securing of the subsea cable, re-installation of containment, termination & testing of the subsea cabling Nexans 66Kv T-Boot, verification of the fibre optic works.

Prysmian – Hornsea 2 Offshore Wind Farm – August 2021 to June 2022 – 66kV Array & OSS Cables

Correll was delighted that Prysmian approached our organisation to take over the Termination and Testing contract on Hornsea 2. The Hornsea 2 project is being managed by our UK team based at our HQ depot in Skelton, North-East England.

Scope of works included:

• Pre-project meetings


• Evaluate existing RAMS


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).


• On the offshore assets:
  
  
  
  • Stripping the array cables to expose the HV cores and FO cable
  
  
  • Complete the permanent hang-off
  
  
  • Route the HV and FO cable into the TP/WTGS
  
  
  • Cleat the HV cores from the hang-off to the GIS
  
  
  • Terminate and splice the FO cable into the cabinet
  
  
  • Terminate three power cores into the GIS
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (IR, TDR & OTDR)
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.
  
  
  
  

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Senvion – Nordergrunde OWF – October 2016 to February 2017

Correll HV-M was contracted to CWind to provide termination, testing and commissioning activities on Senvion owned assets on the Nordegrunde OWF.  Correll engaged a project team of 8 specialist jointers, testers and commissioning engineers to perform the following activities:

• Pre-projects meetings


• Pre-projects Documentation, Procedures and RAMS


• Cable terminations on the 33Kv transformer, NKT CB 36-630


• Continuity, VLF and PD testing on the offline 33KV switchgear to transformer cable


• Secondary injection testing on the REF 630 relay system for the CT commissioning


• Commissioning works on the ABB ZX0.2 Switchgear & Switching activities


• Issue ITS as part of client request and payment milestones.

For further information contact Will Sharrock, Business Lead, HV-Management: willsharrock@correllservices.com

 

Global Offshore – Kreigers Flak Cable Repair OWF (Denmark) – October 2020 to February 2022 – Array Termination and Testing

Global Offshore approached Correll Electrical Engineering (CEE) to support them with the HV and FO services associated with the Kreigers Flak cable repair/replacement project.

CEE were responsible for the Termination & Testing of the IAG cables between Wind Turbine Generators, including:

• Mobilising 20 Technicians and 2 Offshore Installation Manager


• Pre-project meetings


• Site visits


• Creation of RAMS


• Creation of quality documentation


• Project HIRA meetings


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry).

On the offshore assets:

• Cutting of existing array cables ready for extraction


• Stripping the array cables to expose the HV cores and FO cable


• Complete the permanent hang-off


• Route the HV and FO cable into the OSS/WTGS


• Cleat the HV cores from the hang off to the GIS


• Terminate and splice the FO cable into the cabinet


• Terminate power cores into the GIS


• Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

LS Cables – Greater Changhua – 2 x Onshore Substations – December 2020 to July 2021 – 154, 66kV terminations and 16, 230kV terminations.  

Correll Services has been awarded a fifth contract associated with an offshore windfarm located in the Taiwan Strait, we are delighted to continue our involvement in the Taiwan market and integrate local content.  The summary of T & T work includes: 

• Pre-project meetings 


• Site visits (if COVID-19 19 restrictions allow)  


• Creations of associated documentation 


• Project HIRA meetings 


• Mobilisation of PPE & tools via a 20ft container 


• Visa & Work Permit applications 


• Mobilise 5 x Management team and 25 EHV/HV Jointers 


• On the 2 x onshore substations assets: 
  
  
  
  • OSS mobilisation and preparation 
  
  
  • Route the (66kV & 230kV) HV cable into the GIS 
  
  
  • Cleat the HV cores to the GIS  
  
  
  • Terminate power cores (66kV & 230kV) into the GIS 
  
  
  • Deliver an Inspection and Test Plan of the installed and tested system, forming part of key payment milestone. 
  
  
  
  

Greater Changhua – Supply of Labour only – August 2022 to Jan 2023

Supply of local content (labour teams) to carry out HV & FO termination & testing to HLPE & Winsome direct. Also including the hire of test equipment for use on the project.

Global Marine Systems – Kincardine Floating Offshore Wind Farm – August 2018 October 2018 – 1 Subsea Export Cable 

Correll Services was delighted that Global Marine Systems selected our company to complete the Termination & Testing on one of the world’s first floating offshore wind farms.  The Kincardine Floating Offshore Wind Farm is located 18Km off the coast of Aberdeen.  Correll Services was responsible for: 

• Pre-project meetings 


• Site Visits 


• Creations of RAMS 


• Creation of Quality documentation 


• Project HIRA meetings 


• Post lay testing (continuity, IR, TDR & OTDR) 


• Onshore export cable stripping and routing 


• Onshore export jointing of the HV & FO cables 


• On the offshore asset: 
  
  
  
  • Stripping the export cable to expose the HV cores and fibre optical cable 
  
  
  • Complete the permanent hang off 
  
  
  • Route the HV and FO cable into the asset 
  
  
  • Install transit blocks around the HV core and FO cable 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the floating asset (VLF, IR, TDR & OTDR) 
  
  
  
  

Global Offshore – Block Island OWF Cable Repair - August 2020 to May 2021 – 1 Export Subsea Cable

Global Offshore approached CS to support them with HV and FO services associated with the Block Island cable repair/replacement project in the USA. This is the second contract for Correll Services in the USA associated to OWF’s cable repairs. We are responsible for the Jointing & Testing of the Export cables between Land and the Wind Turbine Generator, including: 

• Mobilising 6 Technicians and 1 Offshore Installation Manager 


• Pre-project meetings 


• Site visits (jointing habitat)  


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• Load-out Testing 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• On the offshore CLV & assets: 
  
  
  
  • Cutting of existing Export cable 
  
  
  • Stripping the Export cables to expose the HV cores and FO cable 
  
  
  • Complete the 33kV Power CSL subsea Joint. 
  
  
  
  

Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone.

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Global Marine Systems - Orkney Islands – May 2018 – June 2018 – 1 Subsea to Land Cable 

Correll Services was contracted by Global Marine Systems to complete cable jointing and testing works on subsea cables between island’s in Orkney.  Works included: 

• Fabrication of project RAM’s 


• Conducting project meetings 


• Post load out testing,  
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry (Unidirectional) 
  
  
  • Setup of Fibre Optical monitoring system within the carousel 
  
  
  
  


• Post Lay Testing 
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry  
  
  
  
  


• HV/FO Jointing subsea cables to onshore land cable 


• Completion of ITP documentation for issue to the client 

CJS – Clair Ridge Platform – January 2018 – August 2018 

Correll Services was contracted to CJS to provide support with the following activities on the Clair Ridge Platform: 

• Routing of fibre optical cables 


• Install FO cables to junction boxes 


• Perform splicing activities 


• Perform Optical Time Domain Reflectometry testing on single/multi-mode systems 


• Process test results into an ITP documentation for issue to the client 

Seaway Offshore Cables – Veja Mate OWF (jumper cable installation) - September 2018 – 73 Array Subsea Cable 

Correll Services was contracted to Seaway Offshore Cables (SOC) to provide two HV jointer/tester, performing the following activities: 

• Engineering support 


• Provision of HV tooling and test equipment 


• 12 x sets of HV terminations on the jumper cable 


• Conduct a 5kV Insulation Resistance test post installation 


• Complete and issue ITP documentation to the client 

Seaway Offshore Cables – Costal Virginia (USA) OWF - February 2020 to September 2020 – 2 Array and 1 Export cable 

Correll Services is delighted to have been awarded a contract for the Cable Pull-in, Termination & Testing on such a prestigious project. We are particularly pleased that SOC has agreed to trial our unique concept of utilising an ‘Integrated Cable-pull, T & T Team’ for completion of the subsea cabling works within the OTG.  We are in the process of opening a CS branch in the USA which shall be used as a base for future offshore renewable energy projects in the region.  On the Coastal Virginia project, CS is responsible for: 

• Pre-project meetings 


• Site visits 


• Mock-up trials 


• Creations of RAMS 


• Project HIRA meetings 


• Mobilisation of PPE, tools & test equipment via a 20ft container to the USA 


• Visa applications 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• On the offshore assets: 
  
  
  
  • Tower mobilisation and preparation 
  
  
  • Cable pull-in 
  
  
  • Installation of temporary hang-off 
  
  
  • Stripping the export cable to expose HV cores and fibre optical cable 
  
  
  • Stripping the array cables to expose HV cores and fibre optical cable 
  
  
  • Complete the permanent hang-off 
  
  
  • Route the HV and FO cable into the TP/WTGS 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the offshore asset (VLF, IR, TDR & OTDR) 
  
  
  • Deliver an Inspection and Test Plan of the installed and tested system, forming part of key payment milestone. 
  
  
  
  

Due to unforeseen circumstance on the project damaged occurred to the export cable subsea by a vessel not associated to the project, Correll Services completed 2 x subsea repair works on the export cable, we installed 2 x Prysmian subsea joints.

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GE – Merkur OWF – July 2018 to May 2019

Correll HVM was contracted to RTS Wind AG/GE and provided support with thirty-two HV and LV electrical technicians (SAP & AP’s), performing the following activities on the WTG. Scope of works consisted of:

• Completing works as team leaders of contracted companies


• Conducted HV switching operations and isolations


• Completing HV terminations on the transformer and GIS cable


• Completing LV works as per GE task cards


• Completing LV testing, IR, continuity and function tests


• Terminations of LV cables into the junction boxes


• Installation of fibre optical cable and termination.

For further information contact Will Sharrock, Business Lead, HV-Management: willsharrock@correllservices.com

 

Sumitomo/RevElie – Akita Noshiro OWF (Mockup) –November 2020 to December 2020  

CS were approached to support them with cable pull in, HV and FO services associated with the mock-up in Belgium for the Akita Noshiro OWF that will be installed in Japan. The purpose of the mock-up is to identify interfaces at this stage to prevent major delays offshore. The European experience was influential and provided a great insight to the Japanese at the beginning of the OWF construction.

CS were responsible for the following,  

• Reviewing associated cable pull and termination and testing documentation. 


• Mobilising 4 Technicians  


• Pre-project meetings 


• Set up pre rig equipment for the cable pull in 


• Preventative housekeeping measures 


• Pulling the cable into the asset 


• Stripping the demo subsea cable to expose the HV cores and fibre optical cable 


• Complete the permanent hang off 


• Route the HV and FO cable into the asset 


• Install transit blocks around the HV core and FO cable 


• Cleat the HV cores from the hang off to the GIS  


• Terminate and splice the FO cable into the cabinet 


• Terminate three power cores into the GIS 


• Complete post installation report and highlighting potential issues 


• Attending a post mock up meeting 


• Advise the client of any tools and equipment required for the offshore campaign.  

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Siem Offshore Contractors – Trianel OWF - September 2018 to April 2019 – 36 Array Subsea Cables 

Correll Services was contracted to Seaway Offshore Cables (SOC) to provide support with fourteen HV/FO project engineers, performing the following activities:  

• Project procedures and handover documentation 


• Cable pull assistance and supervision on the TP’s and OSS 


• FO assistance, termination/testing methods, selection of equipment and materials associated to the FO Installation 


• HV assistance, termination/testing methods, selection of equipment and materials associated to the FO Installation 


• Conducting works and acting for the client SAP/AP for live locations, issuing permit to works and implementing a safe system of work 

Siem Offshore Contractors – Hornsea OWF - September 2018 to April 2019 

Correll Services was contracted to Seaway Offshore Cables (SOC) to provide support with four HV/FO project engineers, performing the following activities: 

• Project procedures and handover documentation 


• Cable pull assistance and supervision on the TP’s and OSS 


• FO assistance, termination/testing methods, selection of equipment and materials associated to the FO Installation 


• HV assistance, termination/testing methods, selection of equipment and materials associated to the FO Installation 

GE – Merkur OWF – July 2018 to May 2019 

Correll Group, HV Management Division was contracted to RTS Wind AG/GE and provided support with 32 HV and LV Electrical Technicians (SAP's & AP's), performing the following activities on the WTG:  

• Completing works as team leaders of contracted companies 


• Conducted HV switching operations and isolations 


• Completing HV terminations on the transformer and GIS cable 


• Completing LV works as per GE task cards 


• Completing LV testing, IR, continuity and function tests 


• Terminations of LV cables into the junction boxes 


• Installation of fibre optical cable and termination 

Global Offshore – DanTysk OWF Cable Repair – February 2020 to March 2020 – 1 Array Cable 

 Global Offshore approached CS to support them with HV and FO services associated with the Dan Tysk cable repair/replacement project.  We were responsible for the Termination & Testing of the IAG cables between Wind Turbine Generators, including: 

• Mobilising 20 Technicians and 1 Offshore Installation Manager 


• Pre-project meetings 


• Procurement of High Voltage and Fibre Optical materials  


• Site visits 


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• Load-out Testing 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• On the offshore assets: 
  
  
  
  • Cutting of existing array cables ready for extraction 
  
  
  • Stripping the array cables to expose the HV cores and FO cable 
  
  
  • Complete the permanent hang off 
  
  
  • Route the HV and FO cable into the OSS/WTGS 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate power cores into the GIS 
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone. 
  
  
  
  

Briggs Marine – Burbo Bank OWF Export Cable – April 2019 

Correll Services was contacted and mobilised at very short notice to fault find on a subsea export cable.  Utilising four HV/FO testing technicians working from each end of the cable, we successfully located the fault 20-25 metres outside the onshore substation.  We completed the fault-finding process using the following equipment: 

• Bridge tester (HVB10) 


• Surge Tester (Thumper) 


• Optical Time Domain Reflectometry (OTDR) 

Briggs Marine – Various Inter Island Export Cables around Scotland & Transformer Inspections – May 2019 to August 2019 

Correll Services was contracted to Briggs Marine to complete cable jointing and testing works on the subsea cables between island’s in and around the Scottish Western Isles.  The works included: 

• Fabrication of project RAM’s 


• Conducting project meetings 


• VLF Testing 


• Post load out testing,  
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry (Unidirectional) 
  
  
  • Setup of Fibre Optical monitoring system within the carousel 
  
  
  
  


• Post Lay Testing 
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry  
  
  
  
  


• FO Jointing subsea cables to onshore land cables 


• Transformer Inspections 


• Completion of ITP documentation for issue to the client 

Jan De Nul – Cable Replacement on Borkum Riffgrund 01 OWF – June 2019 to August 2019 – 2 Array Subsea Cables 

CS was contracted to Jan De Nul for the HV & FO termination & testing works associated with the removal and replacement of 2off faulty subsea cables.  WE were responsible for the Termination & Testing of the PCC cables between the Offshore Substation and Wind Turbine Generators, including: 

• Mobilising 16 Technicians and 1 Offshore Installation Manager 


• Pre-project meetings 


• Procurement of High Voltage and Fibre Optical materials  


• Site visits 


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• Load out Testing 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• On the OSS & WTG’s offshore assets: 
  
  
  
  • Assisting SAP’s to create a Safe System of Work 
  
  
  • Cutting of existing array cables ready for extraction 
  
  
  • Stripping the array cables to expose the HV cores and FO cable 
  
  
  • Complete the permanent hang-off 
  
  
  • Route the HV and FO cable into the OSS/WTGS 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the floating asset (IR, TDR & OTDR) 
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone. 
  
  
  
  

Global Marine Systems - Shetland Islands – February 2019 to September 2019 – 3 Subsea to Land Cables 

Correll Services was contracted by Global Marine Systems to complete cable jointing and testing works on the subsea and land cables between island’s in Shetland.  The works included: 

• Fabrication of project RAM’s 


• Conducting project meetings 


• Post load out testing,  
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry (unidirectional) 
  
  
  • Setup of Fibre Optical monitoring system within the carousel 
  
  
  
  


• Post Lay Testing 
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry  
  
  
  
  


• HV/FO Jointing subsea cables to onshore land cables 


• Through Joints on the land cables 


• Pole terminations 


• Very Low Frequency testing 


• Completion of ITP documentation for issue to the client 

During back-filling activities, the civil contractor damaged a land cable, CS subsequently performed fault-finding procedures to successfully locate the damaged position, using the following items: 

• Bridge tester (HVB10) 


• Surge Tester (Thumper) 

Jan De Nul – Formosa 1 (Phase 2) Offshore Wind Farm – January 2019 to October 2019 - 17 Array and 3 Export Cables 

Correll Services was delighted that Jan De Nul selected our company to complete the termination & testing on the first major offshore wind farm in waters around Taiwan.  On the project, CS was responsible for: 

• Pre-project meetings 


• Site visits 


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• Mock-up trials at TP manufacturers facility in Thailand 


• Post Lay Testing (continuity, IR, TDR & OTDR). 


• Onshore export cable stripping and routing 


• Onshore export jointing of the HV & FO cables 


• Onshore substation HV & FO cable routing, cleating and termination 


• On the 22 offshore assets: 
  
  
  
  • Stripping the export cable to expose the HV cores and FO cable 
  
  
  • Stripping the array cables to expose the HV cores and FO cable 
  
  
  • Complete the permanent hang-off 
  
  
  • Route the HV and FO cable into the TP/WTGS 
  
  
  • Cleat the HV cores from hang-off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (VLF, IR, TDR & OTDR) 
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone. 
  
  
  
  

CWind – Race Bank Cable Repair - November 2019 – 1 Array Subsea Cable 

Correll Services was engaged by CWind to complete a HV cable repair on one of the Wind Turbine Generators on the Race Bank OWF.  We mobilised onto the project with 3 x HV & FO technicians and completed the following: 

• Assistance with project specific engineering 


• Assistance with containment design 


• Procurement of materials 


• Mobilisation of Correll Services plant and machinery 


• Engineering onsite 


• Jointing of Raychem Through joint on 1 x phase 


• Installation of containment 


• Termination TE T-Connection on GIS 


• Post Installation testing 

Seaway Offshore Contractors – 66kV Pre-Qualification Termination & Jointing Activities – June 2019 to February 2020 

CS was engaged by SOC to carry out the installation of four different manufacturers HV products being considered for use on a OWF being constructed in Taiwan.  The 66kV cable termination works were performed at cable manufacturers facilities in both Japan and South Korea.  

• Procure 66kV Termination kits 


• Terminate 66kV array cables at manufacturers facility 


• Terminate 66kV export cables at manufacturers facility 


• Terminations performed using 66kV products manufactured by; Pfisterer, Nexans, NKT and Tyco. 

Additional to the above detailed scope of works, we supported with Electrical Engineering and coordination activities for the project. 

Briggs Marine – Inner Hebridean Islands, Scotland – January 2020 to March 2020 – 1 Subsea to Land Cable 

CS contracted with Briggs Marine to complete cable jointing and testing works on the subsea cables and land cables between islands.  The works include: 

• Fabrication of project RAM’s 


• Conducting project meetings 


• Post load out testing,  
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry (unidirectional) 
  
  
  • Setup of Fibre Optical monitoring system within the carousel 
  
  
  
  


• Post Lay Testing 
  
  
  
  • Time Domain Reflectometry (open & closed) 
  
  
  • Optical Time Domain Reflectometry  
  
  
  
  

• HV/FO Jointing subsea cables to onshore land cables 


• Very Low Frequency testing 


• Completion of ITP documentation for issue to the client 

ORE Catapult – GE Haliade-X 66kV OWT – February 2020  

CS was the first company to train HV technicians in the use of Tyco Electrical 66kV components.  As a consequence of this achievement, CS was approached by ORE Catapult/GE to complete in-line jointing and T-connections associated with the GE Haliade-X 12MW OWT, presently undergoing trials at the Catapult facility in Blyth. 

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Seaway Offshore Cables –Various OWF UK – December 19 to September 2020 

 CS is supporting Seaway Offshore Cables with the following: 

• Client Representative 


• Superintendents 


• Formulating inspection reports 

JDR Cables – Beatrice OWF – March 2018 – October 2018 – 91 Array Subsea Cables  

Correll Services was contracted to JDR cables to provide support with the following activities on the inter array cables: 

• 33kV termination, jointing on OSS and TP’s 


• IR, Sheath and VLF testing on the 33kV system 


• Fibre Optical termination 


• Fibre Optical testing 


• QA/QC on works completed on the HV/FO installation 

Global Offshore – Race Bank OWF Cable Repair – August 2020 to December – 2 Array Subsea Cable 

Global Offshore approached CS to support them with HV and FO services associated with the Race Bank cable repair/replacement project.  We were responsible for the Termination & Testing of the IAG cables between Wind Turbine Generators, including: 

• Mobilising 20 Technicians and 2 Offshore Installation Manager 


• Pre-project meetings 


• Procurement of High Voltage and Fibre Optical materials  


• Site visits 


• Creations of RAMS 


• Creation of quality documentation 


• Project HIRA meetings 


• Load-out Testing 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• On the offshore assets: 
  
  
  
  • Cutting of existing array cables ready for extraction 
  
  
  • Stripping the array cables to expose the HV cores and FO cable 
  
  
  • Complete the permanent hang off 
  
  
  • Route the HV and FO cable into the OSS/WTGS 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate power cores into the GIS 
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone. 
  
  
  
  

Jan De Nul – Changhua Demonstration (TPC) Offshore Wind Farm – November 2019 to October 2021 – 23 Array & 4 Export Cables 

Following the successful delivery of the Formosa 1 (phase 2) OWF in Taiwan, CS was delighted that Jan De Nul once again chose our company to complete the subsea cable termination & testing works on the second OWF being constructed in Taiwan waters.  To support this and future projects in the region, Correll Services has opened an operation in Taiwan, staffed by Branch Manager Ray Tsao and Project Coordinator Fiona Su.  We shall be investing in the community in terms of training local operatives and development of a regional supply chain.  On the Changhua project, Correll Services is responsible for: 

• Pre-project meetings 


• Site visits 


• Creations of RAMS 


• Procurement of HV & FO Materials 


• Mock-up trials at Switchgear and TP manufacturers facilities in Japan and South Korea respectively.  


• Creation of quality documentation 


• Project HIRA meetings 


• Post Lay Testing (continuity, insulation resistance, Time Domain Reflectometry and Optical Time Domain Reflectometry). 


• Onshore export cable stripping and routing 


• Onshore export jointing of the HV & FO cables 


• On the 21 offshore assets: 
  
  
  
  • Stripping the export cables to expose the HV cores and FO cable 
  
  
  • Stripping the array cables to expose the HV cores and FO cable 
  
  
  • Complete the permanent hang-off 
  
  
  • Route the HV and FO cable into the TP/WTGS 
  
  
  • Cleat the HV cores from the hang-off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the offshore assets (VLF, IR, TDR & OTDR) 
  
  
  • Deliver an Inspection and Test Plan for the installed and tested system, forming part of key payment milestone. 
  
  
  
  

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Global Marine Systems – Kincardine Floating Offshore Wind Farm (Phase 2) – July 2020 to September 2021 – 1 Subsea Export Cable & 5 Array Cables 

Correll Services are delighted to be working with Global Marine Systems again to complete the Termination & Testing on one of the world’s first floating offshore wind farms.  The Kincardine Floating Offshore Wind Farm is located 18Km off the coast of Aberdeen.  Correll Services was responsible for: 

• Pre-project meetings 


• Site Visits 


• Creations of RAMS 


• Creation of Quality documentation 


• Project HIRA meetings 


• Post lay testing (continuity, IR, TDR & OTDR) 


• Onshore export cable stripping and routing 


• Onshore export jointing of the HV & FO cables 


• On the offshore asset: 
  
  
  
  • Stripping the export cable to expose the HV cores and fibre optical cable 
  
  
  • Complete the permanent hang off 
  
  
  • Route the HV and FO cable into the asset 
  
  
  • Install transit blocks around the HV core and FO cable 
  
  
  • Cleat the HV cores from the hang off to the GIS  
  
  
  • Terminate and splice the FO cable into the cabinet 
  
  
  • Terminate three power cores into the GIS 
  
  
  • Complete post installation testing from the onshore substation to the floating asset (VLF, IR, TDR & OTDR).
  
  
  
  

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CJS – Mariner Rig – March 2018 – April 2018 

Correll Services was contracted to CJS and provided support with the following activities on the Mariner Platform: 

• Routing of HV cables on the platform 


• Perform cable jointing works 


• Perform post installation cable testing 

Transmission Investment – Westermost Rough Onshore Substation – July 2018 

• Correll Services was awarded a contract to upgrade 2 x Neutral Earth systems on the 220kV transformers. 

Vattenfall – Aberdeen OWF - February 2018 to July 2018 

Correll Services was contracted by Vattenfall to provide expertise on one of the first 66kV Offshore Wind Farms.  We at CS felt privileged to be awarded the contract by a world leader within the industry.  Our remit was to ensure the subcontractor delivered a first-class installation and performed testing activities correctly, including: 

 

• Assisting with project RAM’s 


• Attending project meetings 


• Attending offshore works ensuring the contractors performs the installation correctly on: 
  
  
  
  • Array cable Hang-off system 
  
  
  • Stripping off armours, power cores and fibre optical cable 
  
  
  • Routing and cleating 
  
  
  • Termination on the HV/FO cable 
  
  
  • Onshore jointing works at transition joint pit 
  
  
  • Post termination testing on the HV/FO cable 
  
  
  • Reviewing and signing-off ITP documentation 
  
  
  
  

CJS – Ford Innovation Factory – March 2018 

Correll Services was contracted to complete the following works at the Ford Innovation Factory based in Basildon: 

• Spiking of 11kV cables 


• Preparation of joint pit 


• Cable preparation & jointing of 11kV Raychem straight through joints on XLPE cable 

Fabricom Quanta – Centrica Platform 3B – October 2020 to May 2021 – Cable Pulling Platform Cables  

CS were approached to support Quanta them with cable pull in activities of HV & LV cables on the platform between Transformers, Switch Gears etc. CS were responsible for the following,  

• Pre-project meetings 


• Site visits  


• Creations of associated documentation 


• Project HIRA meetings 


• Mobilisation of PPE & tools via a 10ft container 


• On the 2 x offshore platforms assets: 
  
  
  
  • Implement lift and pull plans 
  
  
  • OSS mobilisation and preparation 
  
  
  • Pull the HV cable to the associated assets  
  
  
  • Route the HV/LV cable to the associated assets  
  
  
  • Cleat the HV/LV cables to the associated assets 
  
  
  • Deliver an Inspection and Test Plan of the installed and tested system, forming part of key payment milestone.