Scope
Reference
DLSITT1015
Description
Located on the Harwell Science and Innovation Campus in Oxfordshire, Diamond Light Source (DLS) is a leading-edge facility for science, engineering and innovation. Diamond allows researchers from academia and industry to investigate the structure and behaviour of the world around us at the atomic and molecular level.
To continue delivering the world changing science that Diamond enables, the facility is being upgraded to Diamond-II, a coordinated programme of development that combines a major machine upgrade with new instruments and complementary improvements to optics,detectors, sample environment and delivery capabilities, and computing, as well as integrated and correlative methods. This will be transformative in speed and spatial resolution and will offer users streamlined access to enhanced instruments for life and physical sciences.
The scope of the contract is for the design, supply of material, manufacture, assembly, test and delivery of two mirrors and their position adjustment systems for the K14 Beamline.
The minimum scope of the contract is the design, manufacture, test, and delivery of:
• M1 - upward reflecting, vertical collimating, white beam mirror & mechanics.
• M2 - downward reflecting, toroidal focussing, monochromatic beam mirror & mechanics.
• Cooling arrangements.
• Vacuum system
• Support system
• Interface to beamline services
Further details to be found in Specification.
Total value (estimated)
- £500,000 excluding VAT
- £600,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 16 October 2025 to 16 April 2027
- 1 year, 6 months, 1 day
Main procurement category
Goods
CPV classifications
- 38622000 - Mirrors
Contract locations
- UKJ14 - Oxfordshire
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Tender submission deadline
23 September 2025, 12:00pm
Submission address and any special instructions
Please email tender submission to:
https://diamondtenders@diamond.ac.uk
and send a hard coy to:
Diamond Procurement
Diamond Light Source Ltd
Diamond House
Harwell Science and Innovation Campus
Didcot
Oxon
OX11 0DE
UK
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
14 October 2025
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Price | Price | 40% |
| Technical Quality | Quality | 25% |
| Experience and Capacity | Quality | 25% |
| Commercial | Quality | 5% |
| Delivery | Quality | 5% |
Other information
Applicable trade agreements
- Government Procurement Agreement (GPA)
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Documents
Technical specifications to be met
https://tenders.diamond.ac.uk
Visit our web page:
Here Suppliers are requried to complete a one-off simple registration form. You are then able to login to register an interest against the tender and download the Tender Documents.
Contracting authority
DIAMOND LIGHT SOURCE LIMITED
- Companies House: 04375679
- Public Procurement Organisation Number: PNGG-3778-PWBM
Diamond House
Didcot
OX11 0DE
United Kingdom
Email: procurement@diamond.ac.uk
Region: UKJ14 - Oxfordshire
Organisation type: Public authority - central government