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UK4

715173450 - Purification Equipment

  • First published: 16 October 2025
  • Last modified: 16 October 2025
  • Version: N/A
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Contents

Summary

OCID:
ocds-h6vhtk-058520
Published by:
Submarine Delivery Agency
Authority ID:
AA84169
Publication date:
16 October 2025
Deadline date:
21 November 2025
Notice type:
UK4
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

The Purification Equipment (PE) Contract shall deliver the supply and support of essential equipment needed to control the breathable atmosphere on board Submarines, including Authority training establishments. This is inclusive of the Vanguard and Astute class submarines, and any new classes of submarine that may be introduced during the lifetime of the Purification Equipment project.The services to be delivered throughout the Contract shall include Service Management in order to meet and deliver the contractual requirements, Obsolescence Management in order to proactively manage obsolescence for all in-scope equipment, support to maintain a spares inclusive upkeep service including equipment procurement and delivery, and equipment upkeep management including strip, survey and repair of equipment, maintenance activity of equipment, technical support, Operational Defect (OpDef) and defect support, training services, and equipment installation. The Contract shall also include a tasking provision which shall include but not be limited to the following:i. Obsolescence resolution,ii. Codification,iii. Disposals iv. Post Design Services (PDS) activities to include technical upgrades and investigations where requiredv. Training over and above extant requirementsvi. Fleet Time investigations,vii. Defects and repairsviii. Technical assistanceix. Technical investigationsx. CONDO supportxi. Trials supportxii. Equipment root cause analysisxiii. Safety and environmental management systemxiv. Operational safety assurance inspectionsxv. Boat visits and reportsxvi. Modificationsxvii. Additions and alterationsThe PE contract shall cover a number of master equipment types and its ancillary components. These Master Equipment types are detailed within the Tender documentation.This tender notice is for the award of a public contract through a competitive flexible procedure in accordance with section 20(1) and (2)(b) of the Procurement Act 2023. It is considered a Defence and Security Contract due to its scope and therefore the relevant provisions of the Procurement Act 2023 relating to defence and security contracts are applicable.The Purification Equipment contract will be initially for five (5) years however the contract shall include two irrevocable one year options to extend the Contract by a further two years taking total contract duration if options invoked to be seven (7) years.

Full notice text

Scope

Procurement reference

715173450

Procurement description

The Purification Equipment (PE) Contract shall deliver the supply and support of essential equipment needed to control the breathable atmosphere on board Submarines, including Authority training establishments. This is inclusive of the Vanguard and Astute class submarines, and any new classes of submarine that may be introduced during the lifetime of the Purification Equipment project.

The services to be delivered throughout the Contract shall include Service Management in order to meet and deliver the contractual requirements, Obsolescence Management in order to proactively manage obsolescence for all in-scope equipment, support to maintain a spares inclusive upkeep service including equipment procurement and delivery, and equipment upkeep management including strip, survey and repair of equipment, maintenance activity of equipment, technical support, Operational Defect (OpDef) and defect support, training services, and equipment installation.

The Contract shall also include a tasking provision which shall include but not be limited to the following:

i. Obsolescence resolution,

ii. Codification,

iii. Disposals

iv. Post Design Services (PDS) activities to include technical upgrades and investigations where required

v. Training over and above extant requirements

vi. Fleet Time investigations,

vii. Defects and repairs

viii. Technical assistance

ix. Technical investigations

x. CONDO support

xi. Trials support

xii. Equipment root cause analysis

xiii. Safety and environmental management system

xiv. Operational safety assurance inspections

xv. Boat visits and reports

xvi. Modifications

xvii. Additions and alterations

The PE contract shall cover a number of master equipment types and its ancillary components. These Master Equipment types are detailed within the Tender documentation.

This tender notice is for the award of a public contract through a competitive flexible procedure in accordance with section 20(1) and (2)(b) of the Procurement Act 2023. It is considered a Defence and Security Contract due to its scope and therefore the relevant provisions of the Procurement Act 2023 relating to defence and security contracts are applicable.

The Purification Equipment contract will be initially for five (5) years however the contract shall include two irrevocable one year options to extend the Contract by a further two years taking total contract duration if options invoked to be seven (7) years.

Main category

Services

Delivery regions

  • UK - United Kingdom

Total value (estimated, excluding VAT)

41666666 GBP to 41666666GBP

Contract dates (estimated)

01 July 2026, 00:00AM to 30 June 2031, 23:59PM

Extension end date (if all the extensions are used): 30 June 2033

Contracting authority

Submarine Delivery Agency

Identification register:

  • GB-PPON

Address 1: MOD Abbey Wood

Town/City: Bristol

Postcode: BS34 8JH

Country: United Kingdom

Website: https://www.gov.uk/government/organisations/submarine-delivery-agency

Public Procurement Organisation Number: PBHX-4625-LVPD

NUTS code: UKK12

Contact name: Emma Hart

Email: Emma.Hart102@mod.gov.uk

Organisation type: Public authority - central government

Procedure

Procedure type

Competitive flexible procedure

Is this procurement under a special regime?

Defence and security

Is the total value above threshold?

Above threshold

Lots

Divided into 1 lots

Lot number: 1

CPV classifications

  • 35512000 - Submarines
  • 35512100 - Strategic submarine nuclear fuelled
  • 35512200 - Attack submarine nuclear fuelled
  • 50000000 - Repair and maintenance services

Delivery regions

  • UK - United Kingdom

Lot value (estimated)

41666666 GBP Excluding VAT

50000000 GBP Including VAT

Criteria used to select suppliers to tender for this lot

true

Contract start date (estimated)

01 July 2026, 00:00AM

Contract end date (estimated)

30 June 2031, 23:59PM

Extension end date (estimated)

30 June 2033, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option to extend the Contract for up to two (2) years in any combination of durations

Does the lot include options?

Yes

Description of options

The right to additional purchases while the contract is valid.

Participation

Conditions

Economic

Conditions of participation

Details can be found within the Conditions of Participation (COP) and Procurement Specific Questionnaire (PSQ). Please log into the DSP and access via this link: https://contracts.mod.uk/go/711829030199E89BB4E9

Conditions

Economic

Conditions of participation

Details can be found within the Conditions of Participation (COP) and Procurement Specific Questionnaire (PSQ). Please log into the DSP and access via this link: https://contracts.mod.uk/go/711829030199E89BB4E9

Conditions of participation

Within the COP and PSQ there are Pass/Fail questions and suppliers are required to pass all of the questions to be eligible to be invited to Tender. The Pass/Fail criteria is listed against all questions on DSP, and is also explained within the Conditions of Participation (COP) and Procurement Specific Questionnaire (PSQ) guidance.

Award criteria

Weighting description

Weightings will be set out in the associated tender documents

Type: price

Name

Price

Description

Weightings will be set out in the associated tender documents

Type: quality

Name

Technical

Description

Weightings will be set out in the associated tender documents

Type: quality

Name

Commercial

Description

Weightings will be set out in the associated tender documents

Contract terms and risks

Payment terms

All payments will be made through the Authority's Contracting, Purchasing & Finance (CP&F) system (Exostar) and will be in accordance with future contractual arrangements.

Submission

Expression of interest deadline

21 November 2025, 23:59PM

Enquiry deadline

14 November 2025, 23:59PM

Date of award of contract

01 June 2026, 23:59PM

Submission address and any special instructions

Submissions should be made via the Defence Sourcing Portal (DSP). In order to access the COP and PSQ, please log into the DSP and access via this link: Please log into the DSP and access via this link: https://contracts.mod.uk/go/711829030199E89BB4E9

May tenders be submitted electronically?

Yes

Is this a recurring procurement?

No

Publication date of next tender notice (estimated)

30 June 2031, 23:59PM

Languages that may be used for submission

  • English

Expression of interest deadline

21 November 2025, 23:59PM

Enquiry deadline

14 November 2025, 23:59PM

Date of award of contract

01 June 2026, 23:59PM

Submission address and any special instructions

Submissions should be made via the Defence Sourcing Portal (DSP). In order to access the COP and PSQ, please log into the DSP and access via this link: Please log into the DSP and access via this link: https://contracts.mod.uk/go/711829030199E89BB4E9

May tenders be submitted electronically?

Yes

Is this a recurring procurement?

No

Publication date of next tender notice (estimated)

30 June 2031, 23:59PM

Languages that may be used for submission

  • English

Coding

Commodity categories

ID Title Parent category
35512200 Attack submarine nuclear fuelled Submarines
50000000 Repair and maintenance services Other Services
35512100 Strategic submarine nuclear fuelled Submarines
35512000 Submarines Warships

Delivery locations

ID Description
100 UK - All

Alert region restrictions

The buyer has restricted the alert for this notice to suppliers based in the following regions.

ID Description
There are no alert restrictions for this notice.

About the buyer

Main contact:
N/a
Admin contact:
N/a
Technical contact:
N/a
Other contact:
N/a

Further information

Date Details
No further information has been uploaded.

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