Sellafield Ltd has gone out to tender with contracts for a £1.06 billion Utilities Delivery Partner and £595 million Civils Delivery Partner – two of four Lots in a major tender as part of an Infrastructure Delivery Partnership with an estimated total value of £3.44 billion.

Sellafield aerial view
Image credit: Simon Ledingham, CC BY-SA 2.0
Sellafield, the birthplace of the UK nuclear industry, is now one of the country’s largest infrastructure projects, supporting 60,000 jobs.
The nuclear authority is tendering the Infrastructure Delivery Partnership, which will deliver conventional infrastructure projects and tasks, in the following four Lots:
Lot 1 Strategic Partner: provision of strategic front-end definition, portfolio management and engineering to define a single viable option. (£495,000,000)
Lot 2 Electrical Distribution Delivery Partner (£1,290,000,000)
Lot 3 Utilities Delivery Partner ( £1,060,000,000)
Lot 4 Civils Delivery Partner (£595,000,000)
Interested suppliers can only bid as part of one entity, either singularly or as part of a Joint Venture / consortia for either the Strategic Partner or the Delivery Partner Lots but not both.
Scope of the Lot 3 Utilities Delivery Partner includes the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery, including:
- 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 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
The Scope of the Lot 4 Civils Delivery Partner contract covers the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of delivery, including:
- General civils design and engineering
- Road network including all earthworks slopes and retaining structures
- Rail network including all earthworks slopes and retaining structures
- Service bridges (pipes, cables and the like)
- Service trenches
- Below ground ducts including street works
- Foundations to equipment
- Above ground service supports
- Retaining walls
- Security fences, turnstiles and gates
- Other minor civils/structural work including utility supports
Initial contract term is 108 months (9 years) with an option to extend by a further 72 months (6 years) either in a single extension or multiple smaller extensions. The value of £3.44 billion.is for the maximum contract term of 180 months,
The procurement is covered by the Government Procurement Agreement.
Time limit for receipt of tenders or requests to participate is 17 March 2023 – click here to access the tender documentation
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