ProcuraAxisBeta
Sign inCreate Free Account
Home / Opportunities / Opportunity
PROCUREMENT OPPORTUNITY

Post-Closure Safety Case Framework

Nuclear Waste Services Limited · compiled

Tender information last checkedLast checked 29 Sept 2026, 19:01.

Opportunity overview

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.

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.

INTERA

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
20 Oct 2025
Award ID
067268-2025-1
Status
active
Identifier
15462033
Location
Northampton, UK, NN1 5AJ, United Kingdom

Galson Sciences Limited.

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
20 Oct 2025
Award ID
067268-2025-2
Status
active
Identifier
02738897
Location
Oakham, UKG3, LE15 6AX, United Kingdom

MCM Environmental Services Ltd

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
20 Oct 2025
Award ID
067268-2025-3
Status
active
Identifier
10128718
Location
Redland, UK, BS6 6LT, United Kingdom

Eden Nuclear

Match pending…
Published award value
Value not stated
Awarded
Not supplied
Contract signed
20 Oct 2025
Award ID
067268-2025-4
Status
active
Location
Penrith, UK, CA11 9FB, United Kingdom

AMENTUM CLEAN ENERGY LIMITED

Matched by exact name
Published award value
Value not stated
Awarded
Not supplied
Contract signed
20 Oct 2025
Award ID
067268-2025-5
Status
active
Identifier
01172655
Location
Warrington, UK, WA36XG, United Kingdom

Classification

  • CPV73210000 — Research consultancy services
  • CPV79417000 — Safety consultancy services
  • CPV90721000 — Environmental safety services
  • CPV98113100 — Nuclear safety services

Lots

  • 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.£6m

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
C18104
Status
complete
Has Recurrence
No
Review Details
Any appeals should be promptly brought to the attention of the contact specified in Section I above, and will be dealt with in accordance with the requirements of the Public Contracts Regulations 2015.<br/>Any appeals must be brought within the timescales specified by the applicable law, including without limitation, the Public Contracts Regulations 2015. In<br/>accordance with the Public Contracts Regulations 2015, the Contracting Authority will also incorporate a minimum 10 calendar day standstill period from the date information on award of contract is communicated to tenderers.
Procurement Method
selective
Main Procurement Category
services
Procurement Method Details
Restricted procedure

Covered By

GPA

Amendments

Entry 1
Id
3

Unstructured Changes

Entry 1

Where

Section
II.1.4.1

New Value

Text
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.Organisations are invited to review all tender documentation and submit a SQ response via NWS' e-Tendering system, Atamis. Atamis can be access here: https://atamis-2464.my.site.com/s/Welcome . To view all information and documentation, please search for ref C17234, which can be found under the 'Find Opportunities' area of the Atamis portal. New Atamis users will be required to register for an Atamis account.

Old Value

Text
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.
Entry 2
Id
4

Unstructured Changes

Entry 1

Where

Section
II.1.4.1

New Value

Text
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.Organisations are invited to review all tender documentation and submit a SQ response via NWS' e-Tendering system, Atamis. Atamis can be access here: https://atamis-2464.my.site.com/s/Welcome . To view all information and documentation, please search for ref C17234, which can be found under the 'Find Opportunities' area of the Atamis portal. New Atamis users will be required to register for an Atamis account.

Old Value

Text
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.

Legal basis

Id
32014L0024
Scheme
CELEX

Techniques

Has Electronic Auction
Yes
Has Framework Agreement
Yes

Framework Agreement

Period Rationale
The Framework Duration will be 4 years.
Maximum Participants
5

Tender Period

Ends
21 Mar 2025

Communication

Future Notice Date
27 Nov 2023, 00:00

Classification

Id
98113100
Scheme
CPV
Description
Nuclear safety services

Submission terms

Languages

en

Bid Validity Period

Duration In Days
180

Submission Method

electronicSubmission
written

Other Requirements

Requires Staff Names And Qualifications
Yes

Participation Fees

Entry 1
Id
1

Type

document

Lots and requirements

Entry 1
Id
1
Status
cancelled
Has Options
No
Has Renewal
No
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.

Value

Amount
6,000,000
Currency
GBP

Second Stage

Maximum Candidates
5
Minimum Candidates
5

Award criteria

Criteria

Criterion 1
Name
Technical
Type
quality
Description
70
Criterion 2
Name
Social Value
Type
quality
Description
10
Criterion 3
Name
Price
Type
cost
Description
20

Contract period

Duration In Days
1,440

Submission terms

Variant Policy
notAllowed

Items and delivery

Item 1
Id
1
Related Lot
1

Delivery Location

Description
n/a

Delivery locations

Entry 1
Region
UK
Entry 2
Region
UK
Entry 3
Region
UK
Entry 4
Region
UK

Additional Classifications

Entry 1
Id
73210000
Scheme
CPV
Description
Research consultancy services
Entry 2
Id
98113100
Scheme
CPV
Description
Nuclear safety services
Entry 3
Id
90721000
Scheme
CPV
Description
Environmental safety services
Entry 4
Id
79417000
Scheme
CPV
Description
Safety consultancy services

Buyer, suppliers and contacts

Organisation 1
Id
GB-FTS-99279
Name
Radioactive Waste Management Limited trading as Nuclear Waste Services

Roles

buyer

Address

Region
UK
Locality
Didcot
Postal Code
OX11 0GD
Country Name
United Kingdom
Street Address
Building 329, West, Harwell Science & Innovation Campus, Thomson Ave

Details

Classifications

Entry 1
Id
BODY_PUBLIC
Scheme
TED_CA_TYPE
Description
Body governed by public law
Entry 2
Scheme
COFOG
Description
Disposal of Radioactive Waste

Identifier

Legal Name
Radioactive Waste Management Limited trading as Nuclear Waste Services

Contact

Name
Tanya Marshall
Organisation 2
Id
GB-FTS-110836
Name
Nuclear Waste Services Limited

Roles

buyer

Address

Region
UKD1
Locality
Calderbridge, Seascale
Postal Code
CA20 1DB
Country Name
United Kingdom
Street Address
Pelham House, Pelham Drive,

Details

Classifications

Entry 1
Id
BODY_PUBLIC
Scheme
TED_CA_TYPE
Description
Body governed by public law
Entry 2
Scheme
COFOG
Description
Responsible for implementing geological disposal of higher activity radioactive wastes.

Identifier

Id
05608448
Legal Name
Nuclear Waste Services Limited

Contact

Name
Tanya Marshall
Organisation 3
Id
GB-FTS-4468
Name
High Court

Roles

reviewBody

Address

Locality
London
Postal Code
WC2A 2LL
Country Name
United Kingdom
Street Address
Strand

Details

Identifier

Legal Name
High Court
Organisation 4
Id
GB-FTS-164486
Name
INTERA

Roles

supplier

Address

Region
UK
Locality
Northampton
Postal Code
NN1 5AJ
Country Name
United Kingdom
Street Address
Eagle House, 28 Billing Road, Northampton, Northamptonshire

Details

Scale
sme

Identifier

Id
15462033
Legal Name
INTERA
Organisation 5
Id
GB-FTS-109640
Name
Galson Sciences Limited.

Roles

supplier

Address

Region
UKG3
Locality
Oakham
Postal Code
LE15 6AX
Country Name
United Kingdom
Street Address
5 Grosvenor House Melton Road Oakham Rutland

Details

Scale
large

Identifier

Id
02738897
Legal Name
Galson Sciences Limited.
Organisation 6
Id
GB-FTS-164487
Name
MCM Environmental Services Ltd

Roles

supplier

Address

Region
UK
Locality
Redland
Postal Code
BS6 6LT
Country Name
United Kingdom
Street Address
Ground Floor, 23 Westfield Park, Redland, Bristol

Details

Scale
sme

Identifier

Id
10128718
Legal Name
MCM Environmental Services Ltd
Organisation 7
Id
GB-FTS-164488
Name
Eden Nuclear

Roles

supplier

Address

Region
UK
Locality
Penrith
Postal Code
CA11 9FB
Country Name
United Kingdom
Street Address
Eden Business Park, 1 Mereside, Greenbank Road, Gilwilly Industrial Estate

Details

Scale
sme

Identifier

Legal Name
Eden Nuclear
Organisation 8
Id
GB-FTS-164489
Name
AMENTUM CLEAN ENERGY LIMITED

Roles

supplier

Address

Region
UK
Locality
Warrington
Postal Code
WA36XG
Country Name
United Kingdom
Street Address
305 Bridgewater Place, Birchwood Park

Details

Scale
large

Identifier

Id
01172655
Legal Name
AMENTUM CLEAN ENERGY LIMITED
Organisation 9
Id
GB-FTS-6953
Name
Royal Courts Of Justice

Roles

reviewBody

Address

Locality
London
Postal Code
WC2A 2LL
Country Name
United Kingdom
Street Address
Strand

Details

Identifier

Legal Name
Royal Courts Of Justice

Contact

Award information

Award 1
Id
067268-2025-1
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-164486
Name
INTERA

Related lots

1

Subcontracting

Maximum Percentage
0.25
Minimum Percentage
0.25
Award 2
Id
067268-2025-2
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-109640
Name
Galson Sciences Limited.

Related lots

1

Subcontracting

Maximum Percentage
0.25
Minimum Percentage
0.25
Award 3
Id
067268-2025-3
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-164487
Name
MCM Environmental Services Ltd

Related lots

1

Subcontracting

Maximum Percentage
0.25
Minimum Percentage
0.25
Award 4
Id
067268-2025-4
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-164488
Name
Eden Nuclear

Related lots

1

Subcontracting

Maximum Percentage
0.25
Minimum Percentage
0.25
Award 5
Id
067268-2025-5
Status
active
Has Subcontracting
Yes

Suppliers

Supplier 1
Id
GB-FTS-164489
Name
AMENTUM CLEAN ENERGY LIMITED

Related lots

1

Subcontracting

Maximum Percentage
0.25
Minimum Percentage
0.25

Contracts and changes

Entry 1
Id
067268-2025-1
Status
active
Award ID
067268-2025-1
Date Signed
21 Oct 2025, 00:00
Entry 2
Id
067268-2025-2
Status
active
Award ID
067268-2025-2
Date Signed
21 Oct 2025, 00:00
Entry 3
Id
067268-2025-3
Status
active
Award ID
067268-2025-3
Date Signed
21 Oct 2025, 00:00
Entry 4
Id
067268-2025-4
Status
active
Award ID
067268-2025-4
Date Signed
21 Oct 2025, 00:00
Entry 5
Id
067268-2025-5
Status
active
Award ID
067268-2025-5
Date Signed
21 Oct 2025, 00:00

Recorded locations

  • Buyer location · Calderbridge, Seascale · UKD1 · CA20 1DB · United Kingdom
  • Delivery location · UK

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-041d16-2025-10-21T17:38:32+01:00compiled ·