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| Source: | Find a Tender Service (FTS) |
| Notice Type: | Award notice |
| Buyer: | UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED |
| Main Category: | — |
| Procurement Method: | Direct award |
| Method Rationale: | The contracting authority intends to award the contract without prior publication due to the absence of competition for technical reasons. The ANSWERS/FISPIN software suite is proprietary and is only available from Energy, Safety and Risk Consultants (UK) Ltd. The software is embedded within existing UKNNL analytical methodologies, validated models, and regulatory-approved processes. There are no reasonable alternative solutions capable of meeting the contracting authority's requirements without significant revalidation, regulatory approval, retraining, and disruption to ongoing nuclear safety and engineering programmes. Replacing the software would result in substantial additional cost, programme delay, and technical risk. The supplier is therefore the only economic operator capable of providing the required licences and associated support services. |
| Tender Status: | Closed |
| Estimated Value (ex. VAT): |
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Awarded to
| Award value: | £603,312 |
| Award status: | Pending |
This contract is for the renewal of licences for the ANSWERS/FISPIN nuclear software suite, including specialist codes used for nuclear safety analysis, criticality assessments, radiation transport, shielding calculations, and reactor physics modelling. The software supports established analytical methodologies and regulatory-approved processes across UKNNL's nuclear modelling and safety case activities. The contract provides software licences, maintenance, updates, and technical support for a period of three years.
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| Release Date: | 19 August 2026 |
| Application Deadline: | — |
| Contract Start Date: | 31 August 2026 |
| Contract End Date: | 31 August 2029 |
| Contract Duration: | 3.1 years |
| Procurement ID (OCID): | ocds-h6vhtk-06e816 |
| Notice Reference: | 079231-2026 |