# DNWP0071/LOT1A/CALDER Ring Fence

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [Sellafield Ltd](/buyers/sellafield-ltd/contract-awards)
- Contract winner: AMENTUM CLEAN ENERGY LIMITED
- Award value: £478,697
- Tender value: £478,697
- Award date: 14 September 2026
- Published: 14 September 2026
- Contract start: 14 September 2026
- Contract end: 14 May 2027
- Stage: awarded
- Procurement category: works
- Notice ID: 30f2de24-e12f-49e3-ad1c-a792adb32048-914024
- OCID: ocds-b5fd17-ea174094-ce1b-441d-9704-5702001ecdc6

## Description

DNWP0071/LOT1A/CALDER Ring Fence

## Related contract awards

- [DNWP0029/Lot 4/Long-Term Metals Treatment Capability](/contracts/ocds-b5fd17-a5352e29-42b4-48a9-bf93-9fae85fc073d): Sellafield Ltd
- [Condition Monitoring](/contracts/ocds-b5fd17-35e9a6fd-3124-487a-8781-a97fd331ee08): Sellafield Ltd
- [DNWP0032/LOT1B/ Lot 1B - Management \(Core Team\) FY 26/27](/contracts/ocds-b5fd17-fffa34b1-76f4-49d8-8673-d90e9fe92f69): Sellafield Ltd
- [DNWP0039/LOT1A/Management Team FY26/27](/contracts/ocds-b5fd17-8db36104-474b-4783-a9b1-f9cad9c59741): Sellafield Limited
- [GK26-11 - In-active Drying Trials of AGR Slotted Cans \(Investigating Impact of Caustic Dosing and Carbon Deposits\)](/contracts/ocds-b5fd17-8f91304b-cef3-4794-b714-e7512eafbe9c): Nuclear Decommissioning Authority
- [Prototype Fast Reactor Concrete Panels Methodology](/contracts/ocds-b5fd17-9e2e9859-74b4-4df4-856e-e7bcbdd2de7b): NRS Dounreay

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/30f2de24-e12f-49e3-ad1c-a792adb32048-914024)