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Published 27 Oct 2025, 12:50 GMT

Official UK procurement notice

90035432 - Supply of Double Toroidal Focussing Mirror System(M2) for Beamline K18

Official notice

Authority: DIAMOND LIGHT SOURCE LIMITED (Central government)

GoodsOpen procedureAbove thresholdSME suitable
Sectors: Laboratory, optical and precision equipments (excl. glasses) (38) Delivery: South East (UKJ14)
Published estimate£320,000≈ £213k / year · £384,000 inc. VAT35.6% above published estimate
Submissions closed 26 Nov 2025awarded 19 Jan 2026
Awarded to Instrument Design Technology Ltd
Contract term 1 yr 6 moends 12 Jul 2027 · starts 12 Jan 2026

What is being bought

Published requirement 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 Double Toroidal Focussing Mirror System for the K18 beamline.

The minimum scope of the contract is the design, manufacture, test, and delivery of:

  • M2 downward deflecting, tangentially bent, double toroidal focusing, monochromatic

Xray beam mirror & mechanics.

  • Motorized elliptical 4-point mechanical bender to adjust tangential curvature of the mirror

reflecting surface.

  • Motorized gravitational sag compensator(s).
  • Temperature monitoring
  • Temperature stabilisation if required
  • Vacuum vessel and associated controls.
  • Support frame
  • Interface to beamline services.

and includes the following:

  • Design
  • Contract Terms and Conditions
  • Supply and purchasing of materials and components.
  • Quality Assurance
  • Manufacture of mirror system
  • Inspection
  • Cleaning
  • Assembly
  • Vacuum baking
  • Testing
  • Packing and Delivery

CPV: Mirrors

The lotProcurement structure

single lot · value published
Lot #1Awarded 1 yr 6 moSMEPublished value£320,000
Contract period: 12 Jan 2026 – 12 Jul 2027 (1 yr 6 mo)Value: £320,000 exc. VAT · £384,000 inc. VAT
Delivery: South EastEligibility: SME eligible
38622000 Mirrors

What it takes to win
i

How this buyer will score bids.

The evaluation criteria and weights exactly as published on the notice, grouped by family (price, quality, social value and so on).

Evaluation split and conditions of participation as published; the tender pack may add more
How bids were scored
Quality: 55%Price: 45%
Published sub-criteria (5)
  • Technical Quality: 25%
  • Experience and Capacity: 25%
  • Delivery: 5%
  • Commercial: 5%
  • Price: 40%
Published award criteria (5)
  • Technical Quality
  • Experience and Capacity
  • Commercial
  • Delivery
  • Price
What this means for your bid
  • Price carries 45 of 100 points: a 10% discount moves about 4.5 points. Quality carries 55 of 100: the paper moves it further than the discount.

Price arithmetic assumes straight proportional scoring; the tender pack may use another formula.

Procedure terms & legal framework

From the official record
Procedure method
Open procedure
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Goods
Notice status
Awarded
Procurement threshold
Above threshold (FTS publication)
Regulatory regime
Standard
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Yes (GPA)
Recurring procurement
Unspecified in notice
First published
27 Oct 2025, 12:50 GMT
Last source update
12 Feb 2026, 15:59 GMT
Award evaluation window
Submission end – 16 Dec 2025
Authority reference
90035432
FTS notice number
2025/S 000-068539
Latest notice
Contract details notice (UK7)
Classification (CPV)
Mirrors
Delivery area
South East (UKJ14)
Official registry OCID
ocds-h6vhtk-05d42b Find a Tender

How it was run

Official notice
Run through: portal not identified
Electronic submission allowedLanguage: EN
Submission deadline
26 Nov 2025, 12:00 GMT
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Accepted languages
en
Detailed submission instructions & authority contactsFrom official release

Please email tender submission to:

diamond.ac.uk ↗

and send a hard copy to:

Diamond Procurement

Diamond House

Diamond Light Source Ltd

Harwell Science and Innovation Campus

Didcot

Oxon

OX11 0DE

United Kingdom

Timeline

27 Oct 2025 → 12 Feb 2026 · 7 dates
  1. Tender notice published360 days ago
    27 Oct 2025, 12:50 GMT
  2. Submission deadline330 days ago
    26 Nov 2025, 12:00 GMT
  3. Award decision expected by309 days ago
    16 Dec 2025, 23:59 GMT
  4. Contract starts283 days ago
    12 Jan 2026
  5. Assessment summaries sent276 days ago
    19 Jan 2026
  6. Standstill ends266 days ago
    28 Jan 2026, 23:59 GMT
  7. Latest notice published252 days ago
    12 Feb 2026, 15:59 GMT

Notice history

5 events · 3 releases on Find a Tender · since 27 Oct 2025
  1. Tender notice published
    27 Oct 2025, 12:50 GMT
    UK4
  2. Contract award notice published
    19 Jan 2026, 15:22 GMT
    UK6
  3. Status changed to complete
    19 Jan 2026, 15:22 GMT
  4. Contract signature expected
    30 Jan 2026, 23:59 GMT
    scheduled
  5. Contract details notice published
    12 Feb 2026, 15:59 GMT
    UK7

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £434,0001 award exc. VAT
Bids received 22 from SMEs
Contracts signed 1latest 2 Feb 2026
Awarded toValueDateStatus
Instrument Design Technology LtdSME9003543 - Double Toroidal Focussing Mirror System (M2) for Beamline K1830 Jan 2026 – 30 Jun 2027£434,00019 Jan 2026Awarded

Contracts

  • 9003543 - Supply of Double Toroidal Focussing Mirror System (M2) for Beamline K18 · Instrument Design Technology LtdSME

    Signed
    2 Feb 2026
    Value
    £434,000
    Period
    2 Feb 2026 – 30 Sept 2027
    Status
    active

    No agreed KPIs: Contract Value is below £5 million.

Bid statistics published by the authority

BidsSMEVCSEValid bid range
2final-stage tenders20—

Contracting authority & participating public bodies

DIAMOND LIGHT SOURCE LIMITED

Contracting authorityPublic authority - central government GB-COH: 04375679 · GB-PPON: PNGG-3778-PWBM Diamond House, Didcot, South East, OX11 0DEContact email

Bidders & participating suppliers

1 commercial party on the notice
  • INSTRUMENT DESIGN TECHNOLOGY LIMITEDAwarded supplierGB-COH: 03950882GB-PPON: PXXJ-4619-ZMQW Unit 2 Turnstone Business Park, Widnes, North West, WA8 0WNContact email

Official documents & specifications (4)

Official links; attachments are not copied

Tender pack and attachments

  • Technical specifications tenderTechnical specificationsVisit our web page: https://tenders.diamond.ac.uk Here Suppliers are requird to complete a one-off simple registration form. You are then able to login to register and interest against the tender and download the Tender Documents.

Notices published for this procedure

  • Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender
  • Contract award notice awardContract award noticeUK6Contract award notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender