Infrastructure Delivery Partnership (IDP)
A Contract Award Notice
by SELLAFIELD LIMITED
- Source
- Find a Tender
- Type
- Contract (Works)
- Duration
- 15 year (est.)
- Value
- £1B-£1B
- Sector
- CONSTRUCTION
- Published
- 17 Oct 2025
- Delivery
- To 30 Jul 2040 (est.)
- Deadline
- n/a
Concepts
Location
West Cumbria
2 buyers
- Sellafield Warrington
4 suppliers
- Morgan Sindall Construction & Infrastructure London
- Costain Maidenhead
- Hochtief Swindon
- Unnamed None
Description
IDP will deliver conventional infrastructure projects and tasks. There are 3 Lots:Electrical Distribution Delivery Partner, Utilities Delivery Partner and Civils Delivery Partner.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.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 Division
| 1 | Strategic Partner The scope of the Strategic Partner was:• Provision of strategic front-end definition• Portfolio management of programmes, projects and tasks to maximise benefit• Infrastructure planning (land, utilities, transport, accommodation) to inform and support the Sellafield Ltd Masterplan• To undertake feasibility studies and initial engineering design, this will require Delivery Partner and Sellafield Ltd subject matter expert input• To undertake benchmarking and should-cost modelling on costs and schedules• Production of business cases.• Provision of input into commissioning strategies and embedding capabilities into business as usual• To support portfolio planning and optimisation• To undertake stakeholder engagement• Sustainability - energy modelling, carbon analysis• Data management controls, security, governance, retrievals and business continuity• Drive innovation through the Portfolio• Knowledge transfer – facilitation, LFE capture, dissemination, obtaining and complying with ISO44001 in the IDP environment• Gathering, documenting and sharing pre-construction informationSellafield 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. |
| 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:• Refurbishment or replacement of Distribution System Transformers• Refurbishment or replacement of Electrical substations• Refurbishment or replacement of Electrical Switchgear• Replacement of distribution cabling and cable support structures• Upgrade of site distribution Tele-control system• Installation of additional standby generation capacity• Upgrade or refurbishment of existing standby generating capacity• Upgrade or refurbishment of existing generating capacity• Installation of additional connection points to the National Grid• Refurbishment of existing grid connections• Major repair work to any of the above• A programme of planned job and tasksThe value stated at V.2.4.2 is the upper value range of the 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:• Refurbishment or replacement of the on-site steam distribution system and support structures• Refurbishment or replacement of the on-site water distribution system and support structures.• Refurbishment or replacement of the off-site water supply and distribution system including the domestic water treatment plant and storage reservoirs• Refurbishment of the demineralised water treatment and conditioning plant• Refurbishment or replacement of the on-site compressed air generation and distribution system including support structures• Refurbishment or replacement of the on-site bulk chemical storage tanks and associated equipment• Refurbishment or replacement of the on-site chemical distribution system and support structures• Improvements to rail and road tanker off-load facility• Refurbishment or replacement of the sewage treatment plant• A programme of planned job and tasksThe value stated at V.2.4.2 is the upper value range of the 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:• General civils design and engineering• Road Network including all earthworks slopes and retaining structures• Rail Network including all earthworks slopes and retaining structures• Highway, Rail and Pedestrian Bridges• Service Bridges (pipes, cables and the like)• Service Trenches• Service Supports• Below ground ducts including street works• Foundations to equipment (electrical equipment, lighting and the like)• Above ground service supports• Hard standings for vehicles and mobile plant including car parks• Hard and soft landscaping• Retaining walls• Security Fences, Turnstiles and Gates• Other minor civils/structural work including utility supportsThe value stated at V.2.4.2 is the upper value range of the Lot. |
Award Detail
| 1 | Morgan Sindall Construction & Infrastructure (London)
|
| 2 | Costain (Maidenhead)
|
| 3 | Hochtief (Swindon)
|
| 4 | Unnamed (None)
|
Award Criteria
| Technical | 70.0 |
| Commercial | 30.0 |
CPV Codes
- 45000000 - Construction work
- 71300000 - Engineering services
- 79421000 - Project-management services other than for construction work
- 45200000 - Works for complete or part construction and civil engineering work
- 71322100 - Quantity surveying services for civil engineering works
- 71340000 - Integrated engineering services
- 72224000 - Project management consultancy services
- 51100000 - Installation services of electrical and mechanical equipment
- 71242000 - Project and design preparation, estimation of costs
- 45100000 - Site preparation work
- 71541000 - Construction project management services
- 71322000 - Engineering design services for the construction of civil engineering works
- 71350000 - Engineering-related scientific and technical services
- 71324000 - Quantity surveying services
- 71245000 - Approval plans, working drawings and specifications
- 71240000 - Architectural, engineering and planning services
- 79994000 - Contract administration services
- 71310000 - Consultative engineering and construction services
- 79410000 - Business and management consultancy services
- 71323000 - Engineering-design services for industrial process and production
- 71000000 - Architectural, construction, engineering and inspection services
- 45222100 - Waste-treatment plant construction work
- 71320000 - Engineering design services
- 71330000 - Miscellaneous engineering services
- 66140000 - Portfolio management services
- 71311000 - Civil engineering consultancy services
- 71540000 - Construction management services
- 71321000 - Engineering design services for mechanical and electrical installations for buildings
- 71244000 - Calculation of costs, monitoring of costs
- 45300000 - Building installation work
- 45400000 - Building completion work
- 50000000 - Repair and maintenance services
- 45222110 - Waste disposal site construction work
- 50710000 - Repair and maintenance services of electrical and mechanical building installations
- 71311100 - Civil engineering support services
- 50700000 - Repair and maintenance services of building installations
- 71243000 - Draft plans (systems and integration)
- 45213250 - Construction work for industrial buildings
Indicators
- Award on basis of price and quality.
Other Information
Note: When the procurement commenced there were originally 4 Lots, however, during the course of the procurement Lot 1 Strategic Partner was cancelled. Further detail at Lot 1 Strategic Partner II.2.4.
Reference
- FTS 066438-2025