---
title: "Integrated Site Works Framework (ISWF)"
ocid: "ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "NUCLEAR WASTE SERVICES"
published: "2025-10-14"
---

# Integrated Site Works Framework (ISWF)

Buyer: NUCLEAR WASTE SERVICES  
Current stage: Award  
OCID: ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33

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## Summary

The procurement process titled "Integrated Site Works Framework (ISWF)" involves the buying organisation Nuclear Waste Services, based in Calderbridge, UK. This contract pertains to the construction and civil engineering sector, specifically aimed at general infrastructure works and asset refurbishment at the Low Level Repository (LLWR) Site in Drigg, Cumbria. The procurement method used was an open procedure, indicating a competitive process above the threshold. The tendering phase concluded on 9th December 2024, and the awarded contract, worth £49,600,000, commenced on 7th August 2025 with an end date of 6th August 2029. The contract was awarded to John Graham Construction Ltd, trading as GRAHAM, and the status of the award is active as of 14th October 2025.

This tender presents significant growth opportunities for businesses in the civil engineering and construction industry. Given the scale and scope of work, larger enterprises with the capability to manage extensive site operations and refurbishment projects would be well-suited for such contracts. While smaller enterprises and VCSEs are deemed less suitable for this particular opportunity, the framework does provide a substantial platform for businesses capable of delivering high-value infrastructure solutions, especially for those aiming to establish or enhance their presence in the UK's industrial and waste management sectors.

## Notice

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.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Open procedure (above threshold) |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 14 Oct 2025 |
| Submission deadline | 9 Dec 2024 |
| Future notice date | Not specified |
| Award date | 6 Aug 2025 |
| Contract period | 6 Aug 2025 - 6 Aug 2029 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £49,600,000 |
| Lots value | Not specified |
| Awards value | £49,600,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NUCLEAR WASTE SERVICES |
| Locality | CALDERBRIDGE |
| Post town | Carlisle |
| Postcode | CA20 1DB |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD1 Cumbria |
| ITL 3 | TLD13 Cumberland |
| Local authority | Cumberland |
| Electoral ward | Gosforth |
| Westminster constituency | Whitehaven and Workington |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | JOHN GRAHAM CONSTRUCTION LTD, TRADING AS GRAHAM |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45200000 - Works for complete or part construction and civil engineering work

## Release History

- 14 Oct 2025 at 14:31 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b
  14th October 2025 - Awarded contract notice on Contracts Finder

## 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-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33.json.