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Post-Closure Safety Case Framework

Nuclear Waste Services Limited

This public procurement record has 5 releases in its history.

Award

21 Oct 2025 at 17:38

Award Notice
TenderUpdate

26 Feb 2025 at 12:27

Tender Notice
TenderUpdate

26 Feb 2025 at 08:49

Tender Notice
Tender

17 Feb 2025 at 14:27

Tender Notice
Planning

27 Nov 2023 at 16:32

Planning Notice
Summary of the contracting process

The procurement process for the "Post-Closure Safety Case Framework" contract was conducted by Nuclear Waste Services Limited, located in Calderbridge, Seascale, United Kingdom. This process is classified under the services category with a focus on nuclear safety services, specifically involving post-closure safety cases for radioactive waste. The procurement utilized a selective method through a restricted procedure, inviting suitable candidates to participate. The overall value of the awarded contract reached £6,000,000.00, and the procurement stage has been completed with contracts signed on 21 October 2025. The framework agreement was designed to extend over four years, providing opportunities for businesses to demonstrate their capabilities in safety case production, methodology, modelling, and knowledge management, with the bidding period having concluded on 21 March 2025.

This tender provides substantial business growth opportunities, particularly for companies specialising in nuclear safety, research consultancy, and environmental safety services. The framework allows for subcontracting, opening opportunities for smaller and medium-sized enterprises to participate, as demonstrated by the range of suppliers involved, including INTERA, MCM Environmental Services Ltd, and Eden Nuclear, among others. This contract suits firms with expertise in managing radioactive waste challenges and those equipped to handle complex safety modelling and case management tasks. The tender process emphasized quality and price in its award criteria, underscoring the importance of delivering high-calibre technical solutions while maintaining cost efficiency. This presents a significant business avenue for innovation and expansion within the nuclear safety sector.

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Notice Information

Notice Title

Post-Closure Safety Case Framework

Notice Description

Post-closure safety cases demonstrate the safety of radioactive waste & geological disposal over long timescales & large uncertainties. This framework requires experts in PCSC production, methodology, modelling & knowledge management.

Lot Information

Lot 1

Post-closure safety cases demonstrate the safety of radioactive waste & geological disposal over long timescales & large uncertainties. This framework requires experts in PCSC production, methodology, modelling & knowledge management.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-041d16
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/067268-2025
Current Stage
Award
All Stages
Planning, Tender, Award

Procurement Classification

Notice Type
Planning Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Restricted procedure
Tender Suitability
Not specified
Awardee Scale
Large, SME

Common Procurement Vocabulary (CPV)

CPV Divisions

73 - Research and development services and related consultancy services

79 - Business services: law, marketing, consulting, recruitment, printing and security

90 - Sewage, refuse, cleaning and environmental services

98 - Other community, social and personal services

CPV Codes

73210000 - Research consultancy services

79417000 - Safety consultancy services

90721000 - Environmental safety services

98113100 - Nuclear safety services

Notice Value(s)

Tender Value
£6,000,000 £1M-£10M
Lots Value
£6,000,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
21 Oct 202510 months ago
Submission Deadline
21 Mar 2025Expired
Future Notice Date
27 Nov 2023Expired
Award Date
21 Oct 202510 months ago
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Cancelled
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Nuclear Waste Services Limited
Additional Buyers

Radioactive Waste Management Limited trading as Nuclear Waste Services

Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
CALDERBRIDGE, SEASCALE
Postcode
CA20 1DB
Postcode Area
Carlisle
Country
England
Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD1 Cumbria
Small Region (ITL 3)
TLD13 Cumberland
Delivery Location
Not specified
Local Authority
Cumberland
Electoral Ward
Gosforth
Westminster Constituency
Whitehaven and Workington

Supplier Information

Number of Suppliers
5
Supplier Names

AMENTUM CLEAN ENERGY LIMITED

Eden Nuclear

Galson Sciences Limited.

INTERA

MCM Environmental Services Ltd

Further Information

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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