System operational · UK tenders
planned
ocds-h6vhtk-05e875 · planning

UK1 - Pipeline Notice

Submarine Delivery Agency

Estimated Value

Up to £5,874,339

Deadline

Not specified

Published

25 November 2025

Type

Not specified

South WestGBopen

Overview

The service provider is required to bring a high level of knowledge and experience to the management of nuclear safety cases. It is important the service provider has experience of the MOD and the challenges of balancing a military operational programme with the high level of nuclear safety management expected from a nuclear regulator.

The service provider will be expected to assimilate the requirements of HMNB Devonport nuclear safety management arrangements and work within this framework. At the same time, the service provider is expected to bring their wider experience to bear on these arrangements and support the Naval Base deliver a culture of continuous improvement for nuclear safety.

The full scope of HMNB Devonport nuclear safety cases and supporting documentation is managed using a database tool called the Nuclear Authorised Documentation Review Programme (NADRP). Further to tasks contained in the NADRP, the service provider must be flexible and reactive to new document production tasks driven by the submarine operational programme, often working to tight deadlines.

Eligibility & compliance

The NADRP is used to track the status of all nuclear authorised documentation from cradle to grave; the service provider will be required to support documentation production and review tasks from the NADRP as required by the Naval Base Design Authority.

Additional details

The service provider will be required to provide technical support to the Naval Base Periodic Review of Safety programme, managed by the Design Authority PRS Assistant Head role. This support will involve full-time assistance to the PRS lead, plus specific subject area review activity.

Lastly, the service provider will be required to provide independent Intelligent Customer (IC) support to the Design Authority Safety Justification Delivery Manager (SJDM). SJDM is the Naval Base IC for the review, programming and delivery of NSSJ documentation.

The civil service post holder requires the support of an experienced safety engineer to assess NSSJ documentation through production and due process. This function needs to be independent from document production.

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Likely incumbents

Suppliers who won similar work from this buyer in the last 5 years.

5 found
  1. 1

    M Subs Ltd

    3 contracts wonlatest 25 Jun 2026ends 1 May 2028CH 05874602

    £24m

    total awarded

  2. 2

    L3Harris MAPPS Ltd

    2 contracts wonlatest 7 Jul 2026ends 30 Nov 2033CH 05341813

    £84m

    total awarded

  3. 3

    Thomas Telford Ltd

    2 contracts wonlatest 8 Jan 2026

    £47,267

    total awarded

  4. 4

    Abbott Risk Consulting Limited,

    2 contracts wonlatest 29 Jul 2025ends 31 Oct 2026CH SC234532

    £4m

    total awarded

  5. 5

    Mecal Ltd

    1 contract wonlatest 25 Aug 2026ends 31 Mar 2030

    £122,500

    total awarded

M Subs Ltd is the most likely incumbent based on recency and category match. To win, bidders typically need a clearly differentiated proposition or a price advantage.

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SponsoredEst. 2010
Gladstone & Co AccountantsTax advisers · East Ham, London

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Buyer Profile

Submarine Delivery Agency
Typepublic body
RegionUKK41
Total tenders44
Total spend£1,093,143,862
View buyer profile

Key Dates

Published

25 November 2025

Submission deadline

Not specified

Notice type

planning

Source

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