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PROCUREMENT OPPORTUNITY

9004476 - Supply of B23 Mirror System for Diamond Light Source

DIAMOND LIGHT SOURCE LIMITED · Contract details notice on Find a Tender

Tender information last checkedLast checked 1 Oct 2026, 12:16.

Opportunity overview

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. Beamline B23 is a UV-visible beamline that will utilize a lattice dipole-quadrupole (DQ) magnet as a source in the Diamond-II synchrotron. The beamline operates two modules (A and B) which provide ultraviolet and visible light for synchrotron radiation circular dichroism (SRCD) experiments. The operational energy range of the beamline is 125 to 800 nm (1.55 to 10 eV). The scope of the contract is to design, manufacture and deliver a double, horizontally and vertically deflecting mirror system to the performance specification document using a shared concept. The mirror system will support two mirror optics (not part of this tender) that will have a motorised 3-point kinematic motion system. Mirror System will have an Ultra High Vacuum (UHV) vacuum vessel, support structure and adjustments for alignment.

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Bestec GmbH

No match
Contract value
£312.3k
Awarded
Not supplied
Contract signed
11 May 2026
Including VAT
£374.7k
Award ID
1
Status
active
Identifier
GB-PPON PBYP-3972-XTPM
Location
Berlin, DE, 12489, Germany

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
9004476
Status
complete
Procurement Method
open
Procurement Method Details
Open procedure

Legal basis

Id
2023/54
Scheme
UKPGA

Covered By

GPA

Lots and requirements

Entry 1
Id
1
Status
complete

Published documents

Entry 1
Id
conflictOfInterest
Document Type
conflictOfInterest
Description
Not published

Buyer, suppliers and contacts

Organisation 1
Name
DIAMOND LIGHT SOURCE LIMITED
Id
GB-COH-04375679

Identifier

Scheme
GB-COH
Id
04375679

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PNGG-3778-PWBM

Address

Street Address
Diamond House
Locality
Didcot
Postal Code
OX11 0DE
Country
GB
Country Name
United Kingdom
Region
UKJ14

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthorityCentralGovernment
Description
Public authority - central government
Organisation 2
Name
Bestec GmbH
Id
GB-PPON-PBYP-3972-XTPM

Identifier

Scheme
GB-PPON
Id
PBYP-3972-XTPM

Address

Street Address
Am Studio 2b
Locality
Berlin
Postal Code
12489
Country
DE
Country Name
Germany
Region
DE

Contact

Roles

supplier

Details

Scale
sme
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No

Award information

Award 1
Id
1
Status
active
Main Procurement Category
goods

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
38622000
Description
Mirrors

Delivery locations

Entry 1
Region
UKJ14
Country
GB
Country Name
United Kingdom

Suppliers

Supplier 1
Id
GB-PPON-PBYP-3972-XTPM
Name
Bestec GmbH

Related lots

1

Contracts and changes

Entry 1
Id
1
Award ID
1
Title
9004476 - Supply of B23 Mirror System for Diamond Light Source
Status
active
Above Threshold
Yes
Date Signed
12 May 2026, 00:00
No Agreed Metrics Rationale
Contract value is below £5 million.

Period

Starts
12 May 2026, 00:00
Ends
11 Jan 2028, 23:59

Value

Including VAT
374,724
Amount
312,270
Currency
GBP

Documents

Entry 1
Id
048528-2026
Document Type
contractNotice
Notice Type
UK7
Description
Contract details notice on Find a Tender
Published
26 May 2026, 11:12
Format
text/html

Recorded locations

  • Buyer location · Didcot · UKJ14 · OX11 0DE · United Kingdom

Notice and amendment history

3 published notice versions reviewed by ProcuraAxis.

3 VERSIONS
  1. 014842-2026Tender notice on Find a Tender ·
  2. 039189-2026Contract award notice on Find a Tender ·
  3. 048528-2026Contract details notice on Find a Tender ·