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Find a TenderAdministrative changeContract change notice
Published 28 Jan 2026, 07:27 GMT

This notice announces an administrative change to an existing contract or market (a contract change notice). No new tender or admission is opened here; see the linked notices below for the original opportunity.

Official UK procurement notice

Replacement Gamma Bag Monitors for Non-Destructive Assay (NDA) Systems 36 and 45

Official notice

Authority: Nuclear Restoration Services Limited (Public body)

GoodsBelow threshold - open competitionBelow threshold
Sectors: Laboratory, optical and precision equipments (excl. glasses) (38) Delivery: Scotland (UKM61)
Published estimate£163,000£195,600 inc. VAT0% below published estimate
Submissions closed 20 Feb 2026awarded 7 May 2026
Awarded to Mirion Technologies (CANBERRA UK) Ltd
Contract term 7 moends 30 Sept 2026 · starts 16 Mar 2026

What is being bought

Published requirement description

A competitive contract has been awarded by Nuclear Restoration Services Limited (Dounreay) for the supply, installation and commission of Replacement Gamma Bag Monitors for Non-Destructive Assay (NDA) Systems 36 and 45 on the Dounreay Site.

CPV: Apparatus for measuring radiation · Radiation monitors

The lotProcurement structure

single lot · value published
Lot #1Awarded 7 moPublished value£163,000
Contract period: 16 Mar 2026 – 30 Sept 2026 (7 mo)Value: £163,000 exc. VAT · £195,600 inc. VAT
Delivery: Scotland
38341000 Apparatus for measuring radiation38341600 Radiation monitors

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

Lot awarding rule: As per Invitation to Tender document (COMM/ITT/001)

Procedure terms & legal framework

From the official record
Procedure method
Below threshold - open competition
Legal basis
UKPGA · 2023/54 Procurement Act 2023
Procurement category
Goods
Notice status
Administrative change
Procurement threshold
Below threshold
Regulatory regime
Standard
Commercial structure
Stand-alone contract (no framework)
Competition type
Competitive procedure
GPA / WTO covered
Unspecified in notice
Recurring procurement
Unspecified in notice
First published
28 Jan 2026, 07:27 GMT
Last source update
18 May 2026, 09:17 BST
Authority reference
C26320
FTS notice number
2026/S 000-007350
Latest notice
Contract change notice (UK10)
Classification (CPV)
Apparatus for measuring radiationRadiation monitors
Delivery area
Scotland (UKM61)
Official registry OCID
ocds-h6vhtk-06104b Find a Tender

How it was run

Official notice
Run through: Atamis (Health Family) · Who buys & how to bid on Atamis
Supplier login requiredElectronic submission allowed
Access & registration note: Free · one account PER buying organisation portal · password resets come "from Salesforce.com" (check spam)
Submission deadline
20 Feb 2026, 12:00 GMT
Clarification deadline
20 Feb 2026, 12:00 GMT
Submission channel
Official e-sourcing portal
Electronic submission
Allowed
Detailed submission instructions & authority contactsFrom official release

atamis-2464.my.site.com/s/Welcome ↗

Timeline

28 Jan 2026 → 18 May 2026 · 5 dates
  1. Tender notice published269 days ago
    28 Jan 2026, 07:27 GMT
  2. Clarification questions by246 days ago
    20 Feb 2026, 12:00 GMT
  3. Submission deadline246 days ago
    20 Feb 2026, 12:00 GMT
  4. Contract starts222 days ago
    16 Mar 2026
  5. Latest notice published159 days ago
    18 May 2026, 09:17 BST

Notice history

5 events · 3 releases on Find a Tender · since 28 Jan 2026
  1. Tender notice published
    28 Jan 2026, 07:27 GMT
    UK4
  2. Contract details notice published
    7 May 2026, 13:20 BST
    UK7
  3. Status changed to complete
    7 May 2026, 13:20 BST
  4. Contract change notice published
    18 May 2026, 09:17 BST
    UK10
  5. Contract change proposed
    22 May 2026, 23:59 BST

Commercial outcome & contract awards

Published awards, contracts and bid statistics, not a forecast
Awards 1
Awarded value £162,9681 contract exc. VAT
Contracts signed 1latest 7 May 2026
Awarded toValueDateStatus
Mirion Technologies (CANBERRA UK) Ltd£162,968 †—Awarded

Contracts

  • Replacement Gamma Bag Monitors for Non-Destructive Assay (NDA) Systems 36 and 45 · Mirion Technologies (CANBERRA UK) Ltd

    Signed
    7 May 2026
    Value
    £162,968
    Period
    11 May 2026 – 18 Dec 2026
    Status
    active
    • Change proposed 22 May 2026 contract change notice published, new value £177,388

Contracting authority & participating public bodies

Nuclear Restoration Services Limited

Contracting authorityPublic authority - sub-central government GB-PPON: PXPQ-2228-DGTY Hinton House, Birchwood Park Avenue, Risley, Warrington, North West, WA3 6GRContact name, email, phone

Bidders & participating suppliers

1 commercial party on the notice
  • Mirion Technologies (CANBERRA UK) LtdAwarded supplier Unit 2 Zephyr Building Eighth Street Harwell Campus Didcot Oxfordshire, Didcot, South East, OX11 0RLContact email

Official documents & specifications (3)

Official links; attachments are not copied

Notices published for this procedure

  • Contract change notice contractContract change noticeUK10Contract change notice on Find a Tender
  • Contract details notice contractContract details noticeUK7Contract details notice on Find a Tender
  • Tender notice tenderTender noticeUK4Tender notice on Find a Tender