Design support to studies and engineering design

01/ The notice

Key facts

Value

Not statedValue not stated in source

Deadline (UK time)

No open deadlineA deadline does not apply to this forecast notice.

Published

10 Aug 2026

Region

Not stated

02/ The brief

What the notice says

Not fully read: this is the notice text; attached documents are not read.

03/ Classification

CPV codes

Common Procurement Vocabulary codes, exactly as the notice lists them. No descriptions are added here.

• 79933000

04/ History

Releases of this notice

3 releases held, oldest first. Dates are UK time.

1. 9 May 2025
   Planning notice

   Planning notice published 9 May 2025.

   Release 020113-2025

   View this release on Find a Tender ↗ (opens in a new tab)
2. 14 May 2025
   Planning notice update

   Planning notice update published 14 May 2025. Stated change: Update in procurement description, VAT value amount and dates.

   Release 021134-2025

   View this release on Find a Tender ↗ (opens in a new tab)
3. 10 Aug 2026
   Planning notice update

   Planning notice update published 10 August 2026. Stated change: This UK1 change notice is issued to notify the market of a change to the procurement strategy associated with the Design Support Procurement (DSP). The procurement approach was originally communicated was to conduct ten (10) individual mini- competitions, each established as a separate competition within the ATAMIS portal and published under the corresponding UK1 notice on Find a Tender Services (FTS) – UK -0180, UK0202, UK-0170,UK-0172, UK-0179, UK-0168, UK-0204, UK-0169, UK-0178, and UK-0184. Following a review of the procurement delivery strategy, the contracting authority has revised its approach to improve procurement efficiency, and project delivery. The revised strategy is to undertake the procurement through a three (3) tranche competition phase, with each tranche having sub lots. Each tranche will be managed as a separate competition within Atamis under the following ref: Atamis ref C31873, C31949, & C31950. This change affects the structure of the call-off competitions only and does not alter the overall procurement objectives, scope, requirements, or the overall operation of DSP. All procurement activity will continue to be conducted in accordance with the provisions of the DSP and the Procurement Act 23. All future competition documentation, procurement timelines, and communications relating to the revised tranche – based competition will be issued via Atamis. This change notice is published to ensure transparency and to formally notify the market of the revised procurement strategy Tranche Contract: Tranche One 1. Plant Facing Design Office (PFDO) civil, structural and architectural 2. PFDO multi-discipline mechanical, electrical and instrumentation 3. PFDO manufactured products 4. PFDO process Tranche Two 5. Site project office client 6. Remediation / legacy projects 7. Retrievals client 8. Infrastructure front-end enabling Tranche Three (3) 9. Studies and engineering capability 10. Safety Case

   Release 075650-2026

   View this release on Find a Tender ↗ (opens in a new tab)

05/ Limits

What the source does not tell us

• The source does not state a usable value.

06/ Questions

About this notice

07/ Related

Where to go next

These links follow a fixed rule applied to this notice’s buyer, text and CPV codes. They are not advice on whether to bid.

• Other notices from Sellafield LimitedThe buyer's page lists its other notices in the corpus.
• RFP TenderExplains the words RFP and tender, which every notice uses.
• All guidesEvery guide, in one list.