Infrastructure Delivery Partnership (IDP)
Details
- Buyer
- Sellafield Limited
- Value
- GBP 2,945,000,000
- Topic
- Construction work
- Published
- 17 October 2025
- Source
- uk:find_a_tender
Tender description
IDP will deliver conventional infrastructure projects and tasks. There are 3 Lots:<br/><br/>Electrical Distribution Delivery Partner, Utilities Delivery Partner and Civils Delivery Partner.<br/><br/>Delivery Partners will take the single viable option and complete detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery.<br/><br/>The value stated at II.1.7.1 is the upper value range. The value is for the maximum contract term of 180 months, this term consists of an initial term of 108 months. Lot 1: Lot 1 Strategic Partner The scope of the Strategic Partner was:<br/><br/>• Provision of strategic front-end definition<br/>• Portfolio management of programmes, projects and tasks to maximise benefit<br/>• Infrastructure planning (land, utilities, transport, accommodation) to inform and support the Sellafield Ltd Masterplan<br/>• To undertake feasibility studies and initial engineering design, this will require Delivery Partner and Sellafield Ltd subject matter expert input<br/>• To undertake benchmarking and should-cost modelling on costs and schedules<br/>• Production of business cases.<br/>• Provision of input into commissioning strategies and embedding capabilities into business as usual<br/>• To support portfolio planning and optimisation<br/>• To undertake stakeholder engagement<br/>• Sustainability - energy modelling, carbon analysis<br/>• Data management controls, security, governance, retrievals and business continuity<br/>• Drive innovation through the Portfolio<br/>• Knowledge transfer – facilitation, LFE capture, dissemination, obtaining and complying with ISO44001 in the IDP environment<br/>• Gathering, documenting and sharing pre-construction information<br/><br/>Sellafield Ltd made the decision to cancel the Lot 1 procurement in accordance with Sellafield Ltd.'s right to cancel a lot and not to award a contract as provided for at Section 11.9 of the Selection Questionnaire Instructions and also Section 6.6 of the Invitation to Submit Final Tender Instructions. Lot 2: Lot 2 Electrical Distribution Delivery Partner The Scope of the Electrical Distribution Delivery Partner includes the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery. Typical Electrical Distribution Partner scope will include:<br/>• Refurbishment or replacement of Distribution System Transformers<br/>• Refurbishment or replacement of Electrical substations<br/>• Refurbishment or replacement of Electrical Switchgear<br/>• Replacement of distribution cabling and cable support structures<br/>• Upgrade of site distribution Tele-control system<br/>• Installation of additional standby generation capacity<br/>• Upgrade or refurbishment of existing standby generating capacity<br/>• Upgrade or refurbishment of existing generating capacity<br/>• Installation of additional connection points to the National Grid<br/>• Refurbishment of existing grid connections<br/>• Major repair work to any of the above<br/>• A programme of planned job and tasks<br/><br/>The value stated at V.2.4.2 is the upper value range of the Lot. The value is for the maximum contract term of 180 months, this term consists of an initial term of 108 months. Lot 3: Lot 3 Utilities Delivery Partner The Scope of the Utilities Delivery Partner includes the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery. Typical Utilities Partner scope will include:<br/>• Refurbishment or replacement of the on-site steam distribution system and support structures<br/>• Refurbishment or replacement of the on-site water distribution system and support structures.<br/>• Refurbishment or replacement of the off-site water supply and distribution system including the domestic water treatment plant and storage reservoirs<br/>• Refurbishment of the demineralised water treatment and conditioning plant<br/>• Refurbishment or replacement of the on-site compressed air generation and distribution system including support structures<br/>• Refurbishment or replacement of the on-site bulk chemical storage tanks and associated equipment<br/>• Refurbishment or replacement of the on-site chemical distribution system and support structures<br/>• Improvements to rail and road tanker off-load facility<br/>• Refurbishment or replacement of the sewage treatment plant<br/>• A programme of planned job and tasks<br/><br/>The value stated at V.2.4.2 is the upper value range of the Lot. The value is for the maximum contract term of 180 months, this term consists of an initial term of 108 months. Lot 4: Lot 4 Civils Delivery Partner The Scope of the Civils Delivery Partner includes the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery. Typical Civils Partner scope will include:<br/>• General civils design and engineering<br/>• Road Network including all earthworks slopes and retaining structures<br/>• Rail Network including all earthworks slopes and retaining structures<br/>• Highway, Rail and Pedestrian Bridges<br/>• Service Bridges (pipes, cables and the like)<br/>• Service Trenches<br/>• Service Supports<br/>• Below ground ducts including street works<br/>• Foundations to equipment (electrical equipment, lighting and the like)<br/>• Above ground service supports<br/>• Hard standings for vehicles and mobile plant including car parks<br/>• Hard and soft landscaping<br/>• Retaining walls<br/>• Security Fences, Turnstiles and Gates<br/>• Other minor civils/structural work including utility supports<br/><br/>The value stated at V.2.4.2 is the upper value range of the Lot. The value is for the maximum contract term of 180 months, this term consists of an initial term of 108 months.
Timeline
- Completed: Award date10 October 2025
- Completed: Award published17 October 2025Current notice
About the buyer
Sellafield Limited is a public sector buyer in United Kingdom publishing tenders and awards on Stotles. Explore their procurement activity and find more opportunities like this one.
Relevant CPV codes
- 45000000 · Construction work
- 45100000 · Site preparation work
- 45200000 · Works for complete or part construction and civil engineering work
- 45213250 · Construction work for industrial buildings
- 45222100 · Waste-treatment plant construction work
- 45222110 · Waste disposal site construction work
- 45300000 · Building installation work
- 45400000 · Building completion work
- 50000000 · Repair and maintenance services
- 50700000 · Repair and maintenance services of building installations
- 50710000 · Repair and maintenance services of electrical and mechanical building installations
- 51100000 · Installation services of electrical and mechanical equipment
- 66140000 · Portfolio management services
- 71000000 · Architectural, construction, engineering and inspection services
- 71240000 · Architectural, engineering and planning services
- 71242000 · Project and design preparation, estimation of costs
- 71243000 · Draft plans (systems and integration)
- 71244000 · Calculation of costs, monitoring of costs
- 71245000 · Approval plans, working drawings and specifications
- 71300000 · Engineering services
- 71310000 · Consultative engineering and construction services
- 71311000 · Civil engineering consultancy services
- 71311100 · Civil engineering support services
- 71320000 · Engineering design services
- 71321000 · Engineering design services for mechanical and electrical installations for buildings
- 71322000 · Engineering design services for the construction of civil engineering works
- 71322100 · Quantity surveying services for civil engineering works
- 71323000 · Engineering-design services for industrial process and production
- 71324000 · Quantity surveying services
- 71330000 · Miscellaneous engineering services
- 71340000 · Integrated engineering services
- 71350000 · Engineering-related scientific and technical services
- 71540000 · Construction management services
- 71541000 · Construction project management services
- 72224000 · Project management consultancy services
- 79410000 · Business and management consultancy services
- 79421000 · Project-management services other than for construction work
- 79994000 · Contract administration services
Decision makers
Connect with the people behind this procurement.
| Contact name | Job title | Phone number | Work email |
|---|---|---|---|
| Head of Procurement | +44 •••• •••••• | ••••••••@sellafield-limited.gov | |
| Commercial Director | +44 •••• •••••• | ••••••••@sellafield-limited.gov | |
| Procurement Manager | +44 •••• •••••• | ••••••••@sellafield-limited.gov | |
| Category Lead | +44 •••• •••••• | ••••••••@sellafield-limited.gov | |
| Senior Buyer | +44 •••• •••••• | ••••••••@sellafield-limited.gov | |
| Contracts Manager | +44 •••• •••••• | ••••••••@sellafield-limited.gov |
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