Source: https://tendernation.io/opportunities/01a13bd5-66dd-72db-b574-d631c1248581/715724483-v2-the-provision-of-nuclear-site-safety-justification-nssj-services awarded GB open procedure Suitable for SMEs # 715724483\_V2 The Provision of Nuclear Site Safety Justification (NSSJ) Services at HMNB Devonport [Submarine Delivery Agency](https://tendernation.io/buyers/submarine-delivery-agency) Estimated value £10,160,000 Published 21 Aug 2026 Deadline Closed 16 Jul 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender ### Description of the Procurement The fundamental aim of the Naval Site Safety Justification (NSSJ) contract is to procure the provision of an integrated Project Management Service (PMS) to support the continued authorisation and safe operation of HM Naval Base (HMNB) Devonport. The contract provides specialist capability to deliver project management, nuclear safety advice, safety case production and maintenance, and Periodic Review of Safety (PRS) activities, under a pro rata model. These services ensure that the Naval Base Commander’s Site Safety Justification documentation remains current, robust, and fully compliant with: - MoD Authorisation Conditions - MoD Naval Nuclear Safety Principles (NNSP) - Applicable Defence Nuclear Safety Regulator (DNSR) standards In addition to technical delivery, the contract supports knowledge transfer and information sharing to strengthen the Authority’s Intelligent Customer (IC) capability. ### Scope of Services The services to be provided under this contract include, but are not limited to: - Nuclear Safety Case Management and Support - Provision of specialist nuclear safety advice reflecting modern civil nuclear practice. - Management, review, and maintenance of the full suite of HMNB Devonport nuclear safety cases and supporting documentation. - Support to the Naval Base Design Authority in ensuring safety justification documentation remains authorised and compliant throughout its lifecycle. - Nuclear Authorised Documentation Review Programme (NADRP) Support - Support for documentation production, review, update, and tracking activities using the Nuclear Authorised Documentation Review Programme (NADRP). - Delivery of tasks assigned via NADRP in accordance with programme priorities and Design Authority requirements. - Flexible and reactive support for new documentation tasks driven by the submarine operational programme, including delivery to demanding timelines. - Periodic Review of Safety (PRS) Support - Full-time technical support to the PRS Lead, managed through the Design Authority PRS Assistant Head role. - Subject matter review and assessment activity contributing to the successful delivery of the Naval Base PRS programme. - Intelligent Customer (IC) Support - Independent IC support to the Design Authority Safety Justification Delivery Manager (SJDM). - Provision of an experienced safety engineer to assess NSSJ documentation during production, review, and approval stages. - Assurance that IC activities remain independent from document authorship and production. - Continuous Improvement and Knowledge Transfer - Support to the Naval Base in fostering a culture of continuous improvement in nuclear safety management. - Knowledge sharing and mentoring to enhance internal capability and resilience within the Authority. ### Delivery Context and Experience Requirements The service provider is required to bring a high level of knowledge and experience in nuclear safety case management, with a strong understanding of the MOD environment. This includes experience of operating within the challenges of balancing a demanding military operational programme with the stringent requirements of nuclear safety regulation. The provider is expected to work within established HMNB Devonport nuclear safety management arrangements while applying relevant external experience and best practice to enhance safety performance. Read full description ## CPV classification Safety consultancy services Technical support services Project management consultancy services Nuclear safety services Source Find a Tender (UK) · Notice ocds-h6vhtk-064c87-2026-08-21T12:07:26+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-064c87-2026-08-21T12:07:26+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Submarine Delivery Agency: past awards and live tenders](https://tendernation.io/buyers/submarine-delivery-agency) [Sector More Business services tenders](https://tendernation.io/sectors/business-services) ## More tenders like this [Guard services – Élőerős őrzés-védelmi szolgáltatás nyújtása 2027 · Jósa András Múzeum · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-f5b7-731d-af9f-b33205ef5a66/hungary-guard-services-eloeros-orzes-vedelmi-szolgaltatas-nyujtasa-2027) [Printing and distribution services – impression, façonnage, MISE SOUS PLI et routage de supports de communication POUR LES services DU departement de lot-et-garonne - 4 lots · Conseil Départemental du Lot-et-Garonne · 45 days left · 3 Dec 2026](https://tendernation.io/opportunities/01a156a9-6342-737e-9c91-e518c28582e6/france-printing-and-distribution-services-impression-faconnage-mise-sous-p) [Staff development services – Chefscoachning · Kriminalvården · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a156a9-98d2-71d0-bc35-e30ecdc9f40f/sweden-staff-development-services-chefscoachning) [Recruitment services – Upphandling avseende Rekryteringstjänster för koncernen Almi AB med dotterbolag · Almi AB · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-ae74-7220-9c41-43336fb80bd5/sweden-recruitment-services-upphandling-avseende-rekryteringstjanster-for-ko) [Evaluation consultancy services – Achiziția de Servicii de evaluare a Strategiei Naționale de Specializare Inteligentă (SNCISI) 2022-2027 precum și a Planului Național de Cercetare Dezvoltare și Inovare 2022-2027 (PNCDI IV) · Autoritatea Nationala pentru Cercetare · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a156a9-ff29-70e9-8ce7-e1917b432c09/romania-evaluation-consultancy-services-achizitia-de-servicii-de-evaluare-a) [Advertising and marketing services – Personalmarketingagentur\_Stellenanzeigen · Berliner Feuerwehr · 31 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a156a9-6347-72f7-8491-b98e903a3ff7/germany-advertising-and-marketing-services-personalmarketingagentur-stellena)