Tender

24/033 - Qualification System for the provision of Engineering, Procurement and Construction Services for South West Scotland Onshore System (SWSOS)

GAS NETWORKS IRELAND

This public procurement record has 1 release in its history.

Tender

19 Nov 2025 at 11:31

Summary of the contracting process

The contracting process, initiated by Gas Networks Ireland, is currently in the tender stage for the project titled "24/033 - Qualification System for the provision of Engineering, Procurement and Construction Services for South West Scotland Onshore System (SWSOS)". This procurement focuses on construction work for gas pipelines within the works category, and is located in Ireland and Scotland. The project is part of the SWSOS Decarbonisation Programme, aiming for Net Zero by 2050. The project involves designing, procuring, constructing, and integrating new electric drive compressor halls. The tender, which opened in November 2025, will run until November 2035 and follows a selective procurement method, noted as a negotiated procedure with a prior call for competition. The submission for this tender must be done electronically through the eTenders website.

This procurement offers significant opportunities for growth, particularly for businesses experienced in large-scale infrastructure projects within the energy sector. Companies specialising in detailed design procurement, material procurement, construction activities, as well as integration and system tie-ins, would find this tender particularly relevant. The tender's focus on sustainable infrastructure within a multinational framework underscores its strategic importance, paving the way for substantial involvement in efforts to decarbonise energy infrastructure. Additionally, businesses with expertise in cybersecurity, safety standards, and project management will also be well-positioned to compete in this process, facilitating potential collaborations on high-impact projects.

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Notice Title

24/033 - Qualification System for the provision of Engineering, Procurement and Construction Services for South West Scotland Onshore System (SWSOS)

Notice Description

GNI and GNI (UK) are seeking experienced EPCS contractors to deliver a series of critical infrastructure upgrades as part of the SWSOS Decarbonisation Programme, a cornerstone of our commitment to achieving Net Zero by 2050. This tender covers multiple work packages, including the design, procurement, construction, and integration of new electric drive compressor halls across operational sites in Scotland. The successful contractor will manage complex interfaces between new and existing assets, ensuring seamless integration of mechanical, electrical, and control systems, while adhering to stringent cybersecurity and safety standards. This initiative represents a strategic investment in sustainable energy infrastructure and offers an opportunity to collaborate on projects of significant scale and impact within a multinational framework. SCOPE OF REQUIREMENTS: The scope of this tender encompasses overall project management and delivery across multiple work packages, including but not limited to the following: * Detailed Design Procurement o Procurement of detailed design for new compressor halls, based on the GNI suite of functional specifications. * Materials Procurement o Mechanical materials: high-pressure pipework, valves, and fittings. o Electrical materials: interconnecting cabling and junction boxes. o Instrumentation materials: transmitters and data cabling. Note: The second-stage tender process (CFC) will confirm the final requirements and clarify the full scope boundaries for the electric motor drive (EMD) package and the contractor's scope. * Construction Activities o Construction of new compressor halls. o Completion of all civil works, including excavations, foundations, structural steel, compressor foundations, and ancillary electrical buildings. o Installation of interconnecting pipework, electrical and control cabling, and junction boxes. * Integration and System Tie-ins o Integration of new electric drive compressors into the existing fleet of gas turbines. o Mechanical, electrical, and control system tie-ins at operational compressor stations across GNI UK sites in Scotland. * Security and Cybersecurity o Installation of security systems and implementation of cybersecurity controls in line with GNI specifications. * Testing and Commissioning o Full responsibility for FAT and SAT activities. o Commissioning and start-up of all new systems. Additional Scope Notes: * GNI may procure electric motor drive (EMD) packages separately. * GNI will manage all permitting and planning permissions. * GNI will separately upgrade incoming site electrical supply to power the new EMD packages. Indicative EPCS Scope Boundary: The EPCS scope is envisaged to cover all elements required for the delivery of an electric drive compressor station as outlined above. A more detailed scope is provided within the Appendices of the Qualification System Questionnaire documents.

Lot Information

Lot 1

GNI and GNI (UK) are seeking experienced EPCS contractors to deliver a series of critical infrastructure upgrades as part of the SWSOS Decarbonisation Programme, a cornerstone of our commitment to achieving Net Zero by 2050. This tender covers multiple work packages, including the design, procurement, construction, and integration of new electric drive compressor halls across operational sites in Scotland. The successful contractor will manage complex interfaces between new and existing assets, ensuring seamless integration of mechanical, electrical, and control systems, while adhering to stringent cybersecurity and safety standards. This initiative represents a strategic investment in sustainable energy infrastructure and offers an opportunity to collaborate on projects of significant scale and impact within a multinational framework. SCOPE OF REQUIREMENTS: The scope of this tender encompasses overall project management and delivery across multiple work packages, including but not limited to the following: * Detailed Design Procurement o Procurement of detailed design for new compressor halls, based on the GNI suite of functional specifications. * Materials Procurement o Mechanical materials: high-pressure pipework, valves, and fittings. o Electrical materials: interconnecting cabling and junction boxes. o Instrumentation materials: transmitters and data cabling. Note: The second-stage tender process (CFC) will confirm the final requirements and clarify the full scope boundaries for the electric motor drive (EMD) package and the contractor's scope. * Construction Activities o Construction of new compressor halls. o Completion of all civil works, including excavations, foundations, structural steel, compressor foundations, and ancillary electrical buildings. o Installation of interconnecting pipework, electrical and control cabling, and junction boxes. * Integration and System Tie-ins o Integration of new electric drive compressors into the existing fleet of gas turbines. o Mechanical, electrical, and control system tie-ins at operational compressor stations across GNI UK sites in Scotland. * Security and Cybersecurity o Installation of security systems and implementation of cybersecurity controls in line with GNI specifications. * Testing and Commissioning o Full responsibility for FAT and SAT activities. o Commissioning and start-up of all new systems. Additional Scope Notes: * GNI may procure electric motor drive (EMD) packages separately. * GNI will manage all permitting and planning permissions. * GNI will separately upgrade incoming site electrical supply to power the new EMD packages. Indicative EPCS Scope Boundary: The EPCS scope is envisaged to cover all elements required for the delivery of an electric drive compressor station as outlined above. A more detailed scope is provided within the Appendices of the Qualification System Questionnaire documents.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05e433
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075148-2025
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Selective
Procurement Method Details
Negotiated procedure with prior call for competition
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

31 - Electrical machinery, apparatus, equipment and consumables; lighting

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45 - Construction work

71 - Architectural, construction, engineering and inspection services

79 - Business services: law, marketing, consulting, recruitment, printing and security


CPV Codes

31100000 - Electric motors, generators and transformers

44100000 - Construction materials and associated items

45220000 - Engineering works and construction works

45231200 - Construction work for oil and gas pipelines

45231220 - Construction work for gas pipelines

45231221 - Gas supply mains construction work

45250000 - Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry

71300000 - Engineering services

71530000 - Construction consultancy services

71540000 - Construction management services

79421200 - Project-design services other than for construction work

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
19 Nov 20253 months ago
Submission Deadline
20 Nov 203510 years to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
20 Nov 2025 - 20 Nov 2035 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
GAS NETWORKS IRELAND
Contact Name
Tender Admin
Contact Email
tenders@gasnetworks.ie
Contact Phone
Not specified

Buyer Location

Locality
CORK
Postcode
N/A
Post Town
Not specified
Country
Not specified

Major Region (ITL 1)
Not specified
Basic Region (ITL 2)
Not specified
Small Region (ITL 3)
Not specified
Delivery Location
TLM Scotland, TLN Northern Ireland

Local Authority
Not specified
Electoral Ward
Not specified
Westminster Constituency
Not specified

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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