---
title: "Integrated Intelligent Safe Environment Phase 2"
ocid: "ocds-h6vhtk-05e8b1"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e8b1"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e8b1.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05e8b1.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED"
published: "2025-11-25"
---

# Integrated Intelligent Safe Environment Phase 2

Buyer: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-05e8b1

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## Summary

The procurement process for the "Integrated Intelligent Safe Environment Phase 2" was conducted by the United Kingdom National Nuclear Laboratory Limited (UKNNL), in support of Sellafield Ltd's SNM division. This contract, classified under the CPV code 73000000 for research and development services and related consultancy services, involved consultancy and software development to create a solution for an Integrated Intelligent Safe Environment. Located in the UKD region, the procurement reached the award stage with the contract being signed on 24th November 2025. The procurement adhered to a limited method, specifically an award procedure without prior publication, making use of the NNLC321 UKNNL University Supply Chain Framework. The initial period of the contract is set to end on 31st March 2026, with the possibility of two optional 12-month extensions.

This tender presents significant business growth opportunities, especially suited for enterprises involved in innovative technological development and artificial intelligence. With a focus on developing an AI-based system and the application of the Unity Gaming Engine, businesses capable of delivering high-level consultancy, software design, and development will find this contract particularly appealing. The University of Birmingham, a supplier in this contract, exemplifies the type of large-scale organisation well-suited to meet the contract's sophisticated requirements. Offering potential involvement across multiple phases, this contract invites businesses with an expertise in symbiotic interaction between humans and autonomous systems to contribute to a pioneering project in safety and technology enhancement.

## Notice

UKNNL have been asked to support the delivery of this innovative project for the SNM division of Sellafield Ltd. UKNNL requires consultancy and software development support via a contract to develop and demonstrate a solution for an Integrated Intelligent Safe Environment. The works will also need to maintain a requirements specification and include an update to the feasibility study (Issue 1) that was released as part of Phase 1 in March 2025. Upon acceptance of the updated feasibility study, the University partner will then initiate the development of an AI-based system that allows safe, symbiotic interaction between humans and autonomous systems.

### Lot Information

Lot 1

The Deliverables of the contract are as follows: Year 1: 1. An end of year report detailing progress of the development of the AI system, and the review of the application of the Unity Gaming Engine. 2. A demonstration of the generated AI system using a simple store mock-up. 3. A report detailing the high-level design of the IISE Software. 4. Update the requirements specification for review and agreement by Sellafield Ltd and UKNNL. 5. An updated version of the "Feasibility Review document" on the approaches, their validity, scope, key assumptions, and consistency with established practise. 6. Update scope of programme for future phases of work. The above list may be subject to change if UKNNL has specific requirements or time restraints. Year 2 and 3: 1. Deliverables will align with Module design, write and test activities. Timescales * Year 1 deliverables will be delivered on or before 31st March 2026. * Year 2 and Year 3 deliverables will be required before 31st March 2028.

Options: Initial contract to run until 31st March 2026. Optional Extensions: 2 x 12 Months

### Procurement Information

Direct Award (call off) under NNLC321 UKNNL University Supply Chain Framework - Lot 6 Innovation, Future Insights & New Technology Universities.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/077021-2025 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Limited |
| Procurement method details | Award procedure without prior publication of a call for competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 25 Nov 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 24 Nov 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £300,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6AE |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | TLD North West (England) |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | UNIVERSITY OF BIRMINGHAM |

## CPV Codes

### Divisions

- 73 - Research and development services and related consultancy services

### Codes

- 73000000 - Research and development services and related consultancy services

## Release History

- 25 Nov 2025 at 16:57 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/077021-2025

## Notice URLs

- https://uknnl.com/

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05e8b1. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05e8b1.json.