Scope
Reference
9003532
Description
Located on the Harwell Science & Innovation Campus in Oxfordshire, Diamond Light Source (DLS) is a leading-edge facility for science, engineering and innovation. DLS 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 co-ordinated 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, delivery, installation and commissioning of a focussing mirror system for the K21 beamline.
The minimum scope of the contract is the design, manufacture, test, and delivery of:
• VFM upward reflecting, X-ray mirror & mechanics.
• HFM inboard reflecting, X-ray mirror & mechanics.
• Motorized mechanical bender to adjust the curvature of VFM's reflecting surface.
• Motorized mechanical bender to adjust the curvature of HFM'S reflecting surface.
• Passive cooling (braids or similar) required due to upstream beam monochromatisation
by a double multilayer monochromator.
• Vacuum vessel and associated controls.
• Support frame.
• Interface to beamline services.
Contract 1. 9003532 - Supply of KB Mirror System for K21
Supplier
Contract value
- £465,000 excluding VAT
- £558,000 including VAT
Above the relevant threshold
Date signed
29 January 2026
Contract dates
- 29 January 2026 to 30 July 2027
- 1 year, 6 months, 2 days
Main procurement category
Goods
CPV classifications
- 38622000 - Mirrors
Contract locations
- UKJ14 - Oxfordshire
Justification for not setting key performance indicators
Contract value is below £5 million.
Other information
Applicable trade agreements
- Government Procurement Agreement (GPA)
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Supplier
XDS OXFORD LIMITED
- Companies House: 04138193
- Public Procurement Organisation Number: PLZV-5432-GJHR
Unit 1 Ferry Mills
Oxford
OX2 0ES
United Kingdom
Email: sales@xds-oxford.com
Website: https://xds-oxford.com/
Region: UKJ14 - Oxfordshire
Small or medium-sized enterprise (SME): Yes
Voluntary, community or social enterprise (VCSE): No
Supported employment provider: No
Public service mutual: No
Contract 1. 9003532 - Supply of KB Mirror System for K21
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