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Official procurement procedure

ThermoChimie Phase 4 Framework

No classification published
Location not published
Published value
£2,500,000
Submission deadline 16 Dec 2025, 12:00 GMT
Lots published4
Procurement Executive Summary
AI & Search Synopsis
Generated from official OCDS record
Tenderline Synopsis: Nuclear Waste Services Limited: "ThermoChimie Phase 4 Framework". Published status: complete. Published value: £2,500,000. 4 published lots. Recorded submission deadline: 16 Dec 2025, 12:00 GMT. See the official notice for participation instructions.
Contracting AuthorityNuclear Waste Services LimitedScope & CategoriesNot publishedSubmission Window
Closed
16 Dec 2025, 12:00 GMT
Submission GatewayDirect notice routeLegal Basis & RegimeStandard procurementEstimated Value (exc. VAT)£2,500,000
Bidder Intelligence · Authority Profile: Nuclear Waste Services Limited
Market Analytics
View Authority Profile →
Derived from OCDS awards & bid statistics
Published history for Nuclear Waste Services Limited. These figures describe retained records, not a forecast of bids or a measure of buyer bias.
Published-to-award variance
Not availableInsufficient comparable data
Requires at least 5 comparable procedures
Competition Density
3Bids / Report
0% of reports have one bid
Supplier ConcentrationNo estimate
Insufficient attributable awardsNo concentration estimate available
Payment Terms
Check noticePublished terms
Payment obligations depend on the applicable regime and contract. Consult the official documents.
Coverage: 10 active published awards; 1 bid reports (which may be per lot). Supplier values exclude multi-supplier awards, frameworks and DPS, and use GBP only. They are published award values, not payments. Published-to-award variance compares single-lot, single-award, single-supplier GBP procedures with explicitly non-framework/non-DPS status; increases remain in the average. Unpublished data stays unknown. Awarded suppliers are winners, not all bidders.
Procedure terms
Contracting AuthorityNuclear Waste Services Limited
Procedure methodNot published
Procurement categoryNot published
Statuscomplete
Framework / DPSFramework
CompetitionNot published
Above thresholdNot published
Legal basisNot published
Tender period startsNot published
Clarification deadlineNot published
Electronic submissionNot published
Submission languagesNot published
Published21 May 2026, 16:04 BST
Last source update21 May 2026, 16:04 BST
Recurring procurementNot published
ClassificationNot published
Delivery areaLocation not published
OCIDocds-h6vhtk-05230e
What is being bought
The ThermoChimie project (Thermo-Chimie (version applicative 4.4.0)) is a thermodynamic database development project, co-funded by Nuclear Waste Services, NIRAS-ONDRAF, and Andra. A robust, traceable, exhaustive, and dependable thermodynamic database is essential for underpinning a future Environmental Safety Case for the surface, near-surface or deep geological disposal of radioactive waste, as well as to perform a range of sensitivity and scoping calculations in support of ongoing research activities. Phase 4 of the ThermoChimie project is planned to start in February 2026. The ThermoChimie Phase 4 Framework has the overall objective of providing both specialist and non-technical support resource to the consortium, in the form of a range of desk-based and experimental data generation/selection activities. Outlined activities are in support of the four key project success factors: (i) database traceability, (ii) consistency, (iii) east of use, and (iv) exhaustivity.
What changed
From the official release history
  1. Official notice release published
    21 May 2026, 16:04 BST
  2. tender value changed
    5 Mar 2026, 16:25 GMT
  3. Status changed to complete
    5 Mar 2026, 16:25 GMT
  4. Official notice release published
    5 Mar 2026, 16:25 GMT
  5. Submission deadline changed to published date
    5 Mar 2026, 16:25 GMT
  6. Status changed to active
    19 Nov 2025, 15:59 GMT
  7. Official notice release published
    19 Nov 2025, 15:59 GMT
  8. Submission deadline changed to 16 Dec 2025, 12:00 GMT
    19 Nov 2025, 15:59 GMT
  9. Published value updated to £2,500,000
    13 Nov 2025, 10:18 GMT
  10. Official notice release published
    13 Nov 2025, 10:18 GMT
  11. Submission deadline changed to 11 Dec 2025, 12:00 GMT
    13 Nov 2025, 10:18 GMT
  12. Published value updated to £2,500,000
    17 Jul 2025, 13:07 BST
  13. Official notice release published
    17 Jul 2025, 13:07 BST
  14. Published value updated to £2,400,000
    23 May 2025, 14:21 BST
  15. Status changed to planned
    23 May 2025, 14:21 BST
  16. Official notice release published
    23 May 2025, 14:21 BST
  17. Buyer information updated
    23 May 2025, 14:21 BST
Lots and requirements (4)
Published by the contracting authority
  • Lot 1 · #1
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
  • Lot 2 · #2
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
  • Lot 3 · #3
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
  • Lot 4 · #4
    Individual lot title not published
    complete
    Published valueNot published
    The source published no individual title or description for this lot.
    Contract periodNot published
    EligibilityNot published
    Options / renewalNot published
Timeline
  1. Procedure published
    21 May 2026, 16:04 BST
  2. Submission deadline
    16 Dec 2025, 12:00 GMT
  3. Award active
    Not published · Not published
  4. Award active
    Not published · Not published
  5. Award active
    Not published · Not published
  6. Award active
    Not published · Not published
  7. Contract active
    Signed 8 May 2026, 00:00 BST · £625,000
  8. Contract active
    Signed 8 May 2026, 00:00 BST · £625,000
  9. Contract active
    Signed 8 May 2026, 00:00 BST · £625,000
  10. Contract active
    Signed 8 May 2026, 00:00 BST · £625,000
Commercial outcome and competition
Awards
Galson Sciences Limited
Not published · Not published · active
Amphos 21 Consulting S.L.
Not published · Not published · active
Amentum Clean Energy Ltd, Amphos 21 Consulting S.L., BRGM, SCK CEN, United Kingdom National Nuclear Laboratory
Not published · Not published · active
Amentum Clean Energy Ltd, Amphos 21 Consulting S.L., BRGM, United Kingdom National Nuclear Laboratory
Not published · Not published · active
Contracts
ThermoChimie Phase 4 Framework - Lot 1
£625,000 · signed 8 May 2026, 00:00 BST · active
Contract period: 8 May 2026, 00:00 BST31 Mar 2030, 23:59 BST
ThermoChimie Phase 4 Framework - Lot 2
£625,000 · signed 8 May 2026, 00:00 BST · active
Contract period: 8 May 2026, 00:00 BST31 Mar 2030, 23:59 BST
ThermoChimie Phase 4 Framework - Lot 3
£625,000 · signed 8 May 2026, 00:00 BST · active
Contract period: 8 May 2026, 00:00 BST31 Mar 2030, 23:59 BST
ThermoChimie Phase 4 Framework - Lot 4
£625,000 · signed 8 May 2026, 00:00 BST · active
Contract period: 8 May 2026, 00:00 BST31 Mar 2030, 23:59 BST
Bid statisticsNo aggregate bid statistics published
Buyer and organisations in this procedure

Nuclear Waste Services Limited

Contracting authority GB-PPON-PNWB-5846-DYCH
View buyer profile
  • Nuclear Waste Services Limited
    buyer

    GB-PPON: PNWB-5846-DYCH
    Pelham House, Pelham Drive,, Calderbridge, Seascale, UKD11, CA20 1DB, GB
  • Amentum Clean Energy Limited
    supplier

    GB-COH: 01120437
    305 Bridgewater Place, Birchwood Park, Warrington, UKD61, WA3 6XF, GB
  • Amphos 21 Consulting S.L.
    supplier

    GB-COH: 15771339
    C/Venecuela, 103, Planta 2, Porta 1, ES, 08019, ES
  • BRGM
    supplier

    GB-PPON: PMPR-7342-VBHR
    3, Avenue Claude Guillemin, Orléans, FR, 45060, FR
  • Galson Sciences Limited
    supplier

    GB-COH: 02738897
    5 Grosvenor House, Melton Road, Oakham, UKF22, LE15 6AX, GB
  • National Nuclear Laboratory
    supplier

    GB-COH: 03857752
    5th Floor Chadwick House Warrington Road Birchwood Science Park, Warrington, UKD61, WA3 6AE, GB
  • SCK CEN
    supplier

    GB-PPON: PHTR-3116-QXHL
    Avenue Herrmann-Debrouxlaan 40, Brussel, BG, 1160, BG
Documents (1)
Official links; attachments are not copied
  • Not published

    tender
    conflictOfInterest
Related procedures (0)
No data
No related procedures published