Expert Support and Alternative Solutions Framework

Nuclear Waste Services Limited · awarded 21 April 2026 · delivered in North West

Who

Buyer	Nuclear Waste Services Limited Calderbridge
Suppliers	AMENTUM CLEAN ENERGY LIMITED Atkins Limited Cyclife UK NSG Environmental Ltd Nuvia Limited Orano Limited
Category	services
Classification	Radioactive-, toxic-, medical- and hazardous waste services CPV 90520000
Notice published	24 April 2026

What it is for

Nuclear Waste Services (NWS), through its Waste Services line of business, will provide an Expert Support & Alternative Treatment Solutions (ESAS) service to both Nuclear Decommissioning Authority (NDA) and non-NDA customers. The ESAS Framework (estimated value of £14.5m, although formally a zero-value agreement with no spend guaranteed) will be available to all NWS customers with a Waste Services Contract. The Framework includes: - On-site support; - Technical and professional waste services; - Enabling activities; - Development and delivery of alternative solutions (including pilots); - Research & Development; - Container and Package Quality. As the diversion of LLW from LLW Repository (nr Drigg, Cumbria) has become business as usual over the past 10 years and decommissioning programmes at customer sites have matured; the types of waste being managed through NWS frameworks has changed. NWS is seeing an increase in the number of challenging / problematic waste streams which require broader waste acceptance criteria and/or a range of specialist waste management advice/support. Customers often also require support higher up in the waste lifecycle / value chain, covering route development / optimisation, characterisation techniques and training of their internal resources. This trend is set to continue as further changes in decommissioning occur over the next decade. The ESAS Framework therefore supports NWS' mission and vision by providing access to an experienced pool of expert resources and fit for purpose responsive solutions. The Framework provides access to contractors with knowledge and understanding across the full radioactive waste management lifecycle and the ability to operate and execute work and provide support at any stage of the lifecycle. The Framework…

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