Lot 1
No lot description published.
Buyer: Sellafield Limited →
Sellafield Ltd plan to call for competition under Lot 8 of the new Crown Commercial Services RM6356 Construction Professional Services 2 (CPS2) Framework Agreement that is due to go live in April 2026. Sellafield Ltd. anticipates the call for competition commencing in April 2026. Design support is a critical enabler to the Sellafield Ltd mission. Delivery of design engineering and safety case support services are essential to the Sellafield decommissioning mission covering new assets, asset care, retrievals, and remediation projects. It will support the intelligent customer function for the other delivery models and provide early-stage client support to conclude the most appropriate point to commence scope transfer (i.e. value transition point). The contracts will deliver a design scope associated with the provision of Intelligent Customer (IC) oversight and niche nuclear design and safety case specialisms for the Sellafield Ltd Enterprise. The scope established to support the Sellafield enterprise aligns to capability provision. At the primary level it aligns to: • Client support – IC design support and independent capabilities, including early front-end design and studies support (pre-value transition point) • Operational support – providing a design and safety case provision to operational nuclear facilities, often needed quickly and with integrated working and on plant access. Value is realised through responsiveness to plant scenarios, minimising equipment downtime and reducing the need for replacement systems with associated Capital Departmental Expenditure Limit(CDEL) expenditure. • Safety case and specialist nuclear capability – supplements existing internal capabilities and focuses on enabling access to specialist skills that otherwise wouldn’t be sustainable as part of full lifecycle delivery models. The competition will be managed as ten procurements based on scope aligned to different areas of the business. They will be undertaken in three tranches: Tranche 1 1. Contract 1 – Design support to Plant-Facing Design Office (PFDO) civil, structural and architectural 2. Contract 2 - Design support to PFDO multi-discipline mechanical, electrical and instrumentation 3. Contract 3 - Design support to PFDO manufactured products 4. Contract 4 - Design support to PFDO process Tranche 2 5. Contract 5 - Design support to Site project office client 6. Contract 6 - Design support to Remediation / legacy projects 7. Contract 7 - Design support to Retrievals client 8. Contract 8 - Design support to Studies and engineering capability Tranche 3 9. Contract 9 - Design support to Infrastructure front-end enabling 10. Contract 10 - Design support to Safety case Tenderers can bid for all contracts. If a supplier bids for all contracts, the intention is to restrict award to four (4) contracts, to enable a resilient supply chain. Suppliers who are approved on Lot 8 and wish to submit bids for five(5) or more contracts of this procurement, will be required to state a ‘Preferred Contracts’ in the event they are scored highest on both bids. The proposed duration for contracts is four (4) years, with no opportunity to extend for a further.
UKD11, GB · UKD61, GB
No lot description published.
| Item | Category | Quantity |
|---|---|---|
| 1 | Design support services | Not published |
Benchmarked against retained Find a Tender procedures with CPV division 79. The category anchor is Design support services (79933000); this is a deliberately broad market comparator. The comparison is shown at several levels rather than pretending one company or region is always the best benchmark.
| Comparison set | Procedures | Reported bids per procedure | Named award suppliers | Price evidence |
|---|---|---|---|---|
| Market: CPV division 79 | 7,183 | 4 median · 34.7 average (2,601 of 7,183 with a bid count) | 3.2 average (2,929 of 7,183 with named award suppliers) | Not published |
| Same buyer | 16 | Not published | Not published | Not published |
| Delivery region: UKD11 | 10 | 1.5 median · 5 average (6 of 10 with a bid count) | 1.8 average (6 of 10 with named award suppliers) | Not published |
| Similar published value (0.5×–2×) | 114 | 8 median · 91.3 average (3 of 114 with a bid count) | 13.7 average (3 of 114 with named award suppliers) | Not published |
“Reported bids” is an official aggregate, sometimes reported per lot; it is the closest available competition measure. “Named award suppliers” are winners, not all applicants.
Not enough comparable procedures currently publish both a GBP tender value and a usable lowest-valid-bid value to calculate a responsible price-reduction benchmark. Tenderline deliberately does not infer a saving from named award suppliers or from missing award values.
| Milestone | Type | Due | Status |
|---|---|---|---|
| Following publication of this UK2 Preliminary Market Engagement (PME) Notice Sellafield Ltd will be undertaking PME to prepare effectively before calling for competition. The purpose of this Request for Information (RFI) is to provide potential participants who have bid for Lot 8 of CPS2 (and the wider Supply Chain), with the opportunity to engage with Sellafield Ltd. to better understand what the market can offer which will allow Sellafield Ltd. to refine and shape our requirements for Design Support Provider services. Sellafield Ltd. also want to gather feedback on the proposed timescales, contract restrictions, Call-Off term and approach for the commercial model. Suppliers must register their interest to obtain further information and provide feedback about this opportunity via the Nuclear Decommissioning Authority and Sellafield Ltd E-procurement system, Atamis. This can be found at the following address: https://atamis-2464.my.site.com/s/Welcome. Once you have registered on Atamis, you can access all documentation and submit feedback using the record reference C28065, Design Service Providers Engagement Vehicle. Further information and UK1 notices can be found in the following records: C25802 - Plant-Facing Design Office (PFDO) Civil, Structural and Architectural UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021371-2025] C25855 - PFDO: Multi-discipline Mechanical, Electrical and Instrumentation UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/020851-2025] C25788 - PFDO: Manufactured Products Organisation UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021141-2025] C25789 - PFDO: Process UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021152-2025] C25799 - Site Project Office Client UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021111-2025] C25786 - Remediation / Legacy Projects UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/020813-2025] C25857 - Retrievals Client UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/020858-2025] C25787 - Studies and Engineering Capability UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021134-2025] C25797 - Infrastructure - Front-end Enabling UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021356-2025] C25804 - Safety Cases UK1 Notice: [https://www.find-tender.service.gov.uk/Notice/021340-2025] | engagement | 5 Dec 2025 | scheduled |
No linked framework, prior procurement or reprocurement published.
Diagnostic view. “Not published” means this current release does not provide a value.
| OCID | ocds-h6vhtk-051363 |
|---|---|
| Latest release ID | 075370-2025 |
| Latest release timestamp | Wed Nov 19 2025 16:05:08 GMT+0000 (Coordinated Universal Time) |
| Source | find-a-tender |
| Official notice URL | Not published |
| Tender status | planned |
| Procurement method | Not published |
| Procurement method details | Not published |
| Main procurement category | services |
| Above threshold | Yes |
| Legal basis | 2023/54 |
| Tender period: start | Not published |
| Tender period: end | Not published |
| Expression of interest deadline | Not published |
| Enquiry deadline | Not published |
| Award period: start | Not published |
| Award period: end | Not published |
| Submission method details | Not published |
| Submission languages | Not published |
| Electronic catalogue policy | Not published |
| Total tender value | £300,000,000 |
| Tender lots in source | 1 |
| Tender items in source | 1 |
| Tender documents in source | 0 |
| Awards in latest release | 0 |
| Contracts in latest release | 0 |
| Parties in latest release | 1 |
| Date | Event | Reference |
|---|---|---|
| 19 Nov 2025 | planning | 075370-2025 |
| 14 May 2025 | planning | 021371-2025 |
Unmodified official OCDS data retained by Tenderline for this procurement process.
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"description": "Sellafield Ltd plan to call for competition under Lot 8 of the new Crown Commercial Services RM6356 Construction Professional Services 2 (CPS2) Framework Agreement that is due to go live in April 2026. Sellafield Ltd. anticipates the call for competition commencing in April 2026.\nDesign support is a critical enabler to the Sellafield Ltd mission. Delivery of design engineering and safety case support services are essential to the Sellafield decommissioning mission covering new assets, asset care, retrievals, and remediation projects. It will support the intelligent customer function for the other delivery models and provide early-stage client support to conclude the most appropriate point to commence scope transfer (i.e. value transition point).\nThe contracts will deliver a design scope associated with the provision of Intelligent Customer (IC) oversight and niche nuclear design and safety case specialisms for the Sellafield Ltd Enterprise.\nThe scope established to support the Sellafield enterprise aligns to capability provision. At the primary level it aligns to:\n• Client support – IC design support and independent capabilities, including early front-end design and studies support (pre-value transition point)\n• Operational support – providing a design and safety case provision to operational nuclear facilities, often needed quickly and with integrated working and on plant access. Value is realised through responsiveness to plant scenarios, minimising equipment downtime and reducing the need for replacement systems with associated Capital Departmental Expenditure Limit(CDEL) expenditure.\n• Safety case and specialist nuclear capability – supplements existing internal capabilities and focuses on enabling access to specialist skills that otherwise wouldn’t be sustainable as part of full lifecycle delivery models.\nThe competition will be managed as ten procurements based on scope aligned to different areas of the business. They will be undertaken in three tranches:\nTranche 1\n1. Contract 1 – Design support to Plant-Facing Design Office (PFDO) civil, structural and architectural\n2. Contract 2 - Design support to PFDO multi-discipline mechanical, electrical and instrumentation\n3. Contract 3 - Design support to PFDO manufactured products\n4. Contract 4 - Design support to PFDO process\nTranche 2\n5. Contract 5 - Design support to Site project office client\n6. Contract 6 - Design support to Remediation / legacy projects\n7. Contract 7 - Design support to Retrievals client\n8. Contract 8 - Design support to Studies and engineering capability\nTranche 3\n9. Contract 9 - Design support to Infrastructure front-end enabling\n10. Contract 10 - Design support to Safety case\nTenderers can bid for all contracts. If a supplier bids for all contracts, the intention is to restrict award to four (4) contracts, to enable a resilient supply chain. Suppliers who are approved on Lot 8 and wish to submit bids for five(5) or more contracts of this procurement, will be required to state a ‘Preferred Contracts’ in the event they are scored highest on both bids.\nThe proposed duration for contracts is four (4) years, with no opportunity to extend for a further.",
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]
},
"initiationType": "tender"
}