# Integrated Site Works Framework \(ISWF\)

> A sourced UK public sector contract award published by Nuclear Waste Services.

## Key facts

- Buyer: [Nuclear Waste Services](/buyers/nuclear-waste-services/contract-awards)
- Supplier: [John Graham Construction Ltd, Trading as GRAHAM](/suppliers/graham/public-sector-contract-awards)
- Award value: £49,600,000
- Tender value: £49,600,000
- Award date: 7 August 2025
- Published: 14 October 2025
- Contract start: 7 August 2025
- Contract end: 6 August 2029
- Stage: awarded
- Procurement category: works
- Notice ID: b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b-868135
- OCID: ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33

## Description

The Integrated Site Works Framework \(ISWF\)seeks to undertake work which supports the delivery of ongoing site works, asset refurbishment and projects relating to general infrastructure and operations - removal of existing assets and replacing with new to facilitate future missions of the Low Level Repository LLWR\) Site in Drigg, Cumbria\.

## Related contract awards

- [Pre-Concept Environmental Safety Case Support](/contracts/ocds-b5fd17-8e293f98-c6a4-4708-b72e-1d3a7eb2bff6) — Nuclear Waste Services
- [Sellafield Calder Primary Circuit](/contracts/ocds-b5fd17-d0b63238-133d-4d46-8b8d-ec003d31ebeb) — Nuclear Waste Services
- [Teutates Technical Study](/contracts/ocds-b5fd17-8f0be63a-4113-4352-84c7-a1fded027fff) — Nuclear Waste Services
- [CSSF-002 - GDF Criticality Safety Methodology and Assessments](/contracts/ocds-b5fd17-80416bbd-3d0a-4a38-95ac-cd18934853e8) — Nuclear Waste Services
- [NBC Advanced Permanent Infrastructure](/contracts/ocds-b5fd17-4260396f-ac9c-4a38-9d56-33ac836ce2df) — Department for the Environment, Food &amp; Rural Affairs
- [NBC Temporary Infrastructure](/contracts/ocds-b5fd17-55d9f1fb-358e-4885-8d51-563dc66e0729) — Department for Environment, Food &amp; Rural Affairs
- [Oxford Flood Alleviation Scheme ECI](/contracts/ocds-b5fd17-eba5b868-409a-40cc-a295-3c45b91efe72) — Defra Group Commercial
- [Lakes Regeneration Phase A](/contracts/ocds-b5fd17-175ca04e-1469-428f-811b-28e77757537c) — Milton Keynes Council
- [PAHT - ITU Dirty Utility Refurbishment](/contracts/ocds-b5fd17-321415b1-2fe9-4bf1-a2b5-079db2455bb3) — The Princess Alexandra Hospital NHS Trust
- [HD029-25 Peterhouse Road Grimsby](/contracts/ocds-b5fd17-9e1d3cb6-e20a-4bb5-a4c4-5ec2ac426a09) — North East Lincolnshire Council
- [DNWP0019/LOT1B/ WAGR / PIE ILW - Detailed Design](/contracts/ocds-b5fd17-558d7ec4-e768-4d6b-bcea-fe3a6571f542) — Sellafield Ltd
- [PRP318 Glenholme - Refurbishment Works](/contracts/ocds-b5fd17-cd44ca3f-0f62-4d33-920b-0bf7f6be6db3) — Derbyshire County Council

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b-868135)
