---
title: "Infrastructure Delivery Partnership (IDP)"
ocid: "ocds-h6vhtk-0387e9"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0387e9"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0387e9.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0387e9.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SELLAFIELD LIMITED"
published: "2025-10-17"
---

# Infrastructure Delivery Partnership (IDP)

Buyer: SELLAFIELD LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-0387e9

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## Summary

The Infrastructure Delivery Partnership (IDP) is an ambitious project overseen by Sellafield Limited to carry out traditional infrastructure tasks under the works category, focusing on construction work as indicated by the CPV code 45000000. The procurement process applies a selective method under a competitive procedure with negotiation, covering the West Cumbria region (UKD11). As of 17 October 2025, the contract stage is in the award and contract phases, with significant contracts having been signed on 10 October 2025. The overall procurement was structured into four lots, although Lot 1 was eventually cancelled during the process. The awarded contracts pertain to Electrical, Utilities, and Civils Delivery Partners, facilitating refurbishment and installation projects. The procurement spans a maximum term of 180 months, including an initial 108-month period.

This tender presents substantial growth opportunities for businesses specializing in construction and engineering services, particularly those experienced in complex infrastructure and utility projects. Large corporations with extensive capabilities in detailed design, procurement, installation, and commissioning within the construction sector can find valuable opportunities through this procurement. The scope for service providers includes managing comprehensive refurbishment and replacement projects related to electricity distribution, utilities, and civil infrastructure. With substantial contract values and a long-term engagement framework, companies like Morgan Sindall Construction and Infrastructure Ltd, Costain Limited, and HOCHTIEF UK have participated successfully, indicating the scale and capability required for prospective participants.

## Notice

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 Information

Lot 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 information

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.

Renewal: The contract makes provision for extension or extensions of up to a total of 72 months (6 years) beyond the initial term of 108 months (9 years), giving a maximum contract term of 180 months

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:
* 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 tasks

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.

Renewal: The contract makes provision for extension or extensions of up to a total of 72 months (6 years) beyond the initial term of 108 months (9 years), giving a maximum contract term of 180 months.

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 tasks

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.

Renewal: The contract makes provision for extension or extensions of up to a total of 72 months (6 years) beyond the initial term of 108 months (9 years), giving a maximum contract term of 180 months

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 supports

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.

Renewal: The contract makes provision for extension or extensions of up to a total of 72 months (6 years) beyond the initial term of 108 months (9 years), giving a maximum contract term of 180 months

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/066438-2025 |
| Notice type | Planning Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Selective |
| Procurement method details | Competitive procedure with negotiation |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Planning, Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 17 Oct 2025 |
| Submission deadline | 10 Mar 2023 |
| Future notice date | 13 Jan 2023 |
| Award date | 9 Oct 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,440,000,000 |
| Lots value | £3,440,000,000 |
| Awards value | Not specified |
| Contracts value | £2,945,000,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active, Unsuccessful |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SELLAFIELD LIMITED |
| Locality | SEASCALE |
| Post town | Carlisle |
| Postcode | CA20 1PG |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | TLD11 West Cumbria |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 3 |
| Supplier names | COSTAIN; HOCHTIEF; MORGAN SINDALL CONSTRUCTION AND INFRASTRUCTURE |

## CPV Codes

### Divisions

- 45 - Construction work
- 50 - Repair and maintenance services
- 51 - Installation services (except software)
- 66 - Financial and insurance services
- 71 - Architectural, construction, engineering and inspection services
- 72 - IT services: consulting, software development, Internet and support
- 79 - Business services: law, marketing, consulting, recruitment, printing and security

### 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

## Release History

- 17 Oct 2025 at 14:59 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/066438-2025
- 17 Mar 2023 at 12:11 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/007819-2023
- 1 Mar 2023 at 13:16 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/006000-2023
- 13 Feb 2023 at 10:42 - TenderUpdate - Tender Notice - https://www.find-tender.service.gov.uk/Notice/004316-2023
- 10 Feb 2023 at 16:21 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/004254-2023
- 24 Nov 2022 at 09:31 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/033319-2022

## Notice URLs

- http://www.costain.com
- http://www.hochtief.co.uk
- http://www.morgansindallinfrastructure.com
- https://one-nda.force.com/s/Welcome
- https://www.find-court-tribunal.service.gov.uk/courts/royal-courts-of-justice
- https://www.gov.uk/government/organisations/sellafield-ltd
- https://www.justice.gov.uk

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0387e9. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0387e9.json.