Defence Online

Type of document: Contract Notice
Country: United Kingdom

1. Title: TUNNEL SEGMENT TRANSPORTATION- SHORT DEADLINE
2. Awarding Authority: Sizewell C Limited, CWA, GB. Web:
3. Contract type: Service contract
4. Description: The awarding authority is seeking a suitably experienced rail freight supplier to develop and deliver a rail-based logistics solution for the transportation of precast concrete tunnel segments and associated consumables between the Tunnel Precast Factory at the specified location.
The scope includes development of the rail logistics strategy, design of segment support cradles for rail transport, rail path bookings, route management, and compliance with all required approvals and certifications necessary for the transportation of tunnel segments by rail.
5. CPV Code(s): 34610000, 34600000, 34621100, 60000000
6. NUTS code(s): UKK, UKK1, UKK11, UKH14, UK
7. Main site or location of works, main place of delivery or main place of performance: Delivery point Bristol / Avonmouth
Avonmouth to SZC
Avonmouth port railhead (near Bristol) and the Associated Construction Area (ACA) at Leiston, adjacent to the Sizewell C site.
UK
8. Reference attributed by awarding authority: Supply chain ID 183395-SZC/Civils
9. Estimated value of requirement: Not provided.
10. CompeteFor response deadline: 2.2.2026 (17:00).
11. Address to which they must be sent: Note: This is a CompeteFor opportunity. Opportunities may be with both public and private sector businesses. To apply, please click the following link to register on the CompeteFor portal Web:
12. Other information: Opportunity Method Contract Opportunity
Opportunity Status Open
Opportunity Type Private Sector
Notice Type Notice
Nature of Opportunity Services
Estimated contract value (GBP) Not disclosed
About the buyer’s selection process:
Sizewell C Limited, hereinafter referred to as SZC, is proposing to construct a 3.2-gigawatt nuclear power station in Suffolk (Sizewell C) to provide reliable low-carbon electricity.
The purpose of the CompeteFor platform is to allow suppliers to express interest in upcoming packages at SZC and where required provide information regarding certain minimum requirements to ensure that we identify those who are deemed to be competent to provide the Works/Services to register their interests. The supplier is provided opportunity within the supplier statement to highlight any mitigating circumstances and lessons learnt that may be required to be shared with SZC based on your answers to the mandatory questions.
If required we reserve the right to request further information with respect to the information provided within the supplier statements.
At its sole discretion, SZC reserves the right to utilise these supplier statements to amend the scoring to the mandatory questions if the organisation can appropriately demonstrate that they have implemented learning and appropriate mitigations.
Depending on the details/answers you will be providing, a long list will be created and if selected, you will be invited to take part in the Pre Qualification (PQQ) process. PQQ documentation will be made available for download by suppliers through the Group Procurement Portal (GPP).
The internet address for the GPP is :
SZC will be the Employer for the works/services detailed in this opportunity. The selection to participate in this opportunity, whether following a prior pre-qualification or not, does not alone signify approval of a Tenderer.
Note: The GPP will be the only channel available to Tenderers for communication during the tender process and shall be used to submit any questions, requests for clarifications, requests for further information, or other issues the Tenderer wishes to raise.
About the buyer:
SZC will be one of the largest infrastructure projects in the UK. It is important that we operate openly and transparently and demonstrate our commitment to delivering wider benefits across the UK, levelling up the regions, and operating ethically and sustainably throughout the project lifecycle. For that, we :
Are focused on supporting smaller, local businesses.
Are committed to promoting gender balance and have signed up to the Gender Target of 40% women in the nuclear industry by 2030, and 50% women apprenticeships by 2021
Are maximising the environmental benefits of SZC through low carbon construction methods.
Have already begun to benefit local communities and we have invested to support initiatives to reduce crime, tackle homelessness and provide training opportunities.
Will be proactive and encourage social mobility by ensuring that up to a third of the workforce on site will be recruited from the local area, using a Jobs Service to make accessing roles easier and break down barriers to work
Are committed to being a good steward of the local area and have held several consultations to understand key biodiversity issues in the area.
Estimated tender close date 03/07/2026
Estimated contract award date 25/09/2026
Estimated contract start date 29/09/2026
Additional information for bidders Include any special notes for bidders It will be beneficial for you to describe your business as mush as possible and highlight where you can help us to achieve our values described above
TKR-2026123-EX-1865407