Award

Integrated Site Works Framework (ISWF)

NUCLEAR WASTE SERVICES

This public procurement record has 1 release in its history.

Award

14 Oct 2025 at 14:31

Summary of the contracting process

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.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Notice Title

Integrated Site Works Framework (ISWF)

Notice 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.

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b
Current Stage
Award
All Stages
Award

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work


CPV Codes

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

Notice Value(s)

Tender Value
£49,600,000 £10M-£100M
Lots Value
Not specified
Awards Value
£49,600,000 £10M-£100M
Contracts Value
Not specified

Notice Dates

Publication Date
14 Oct 20254 months ago
Submission Deadline
9 Dec 2024Expired
Future Notice Date
Not specified
Award Date
6 Aug 20256 months ago
Contract Period
6 Aug 2025 - 6 Aug 2029 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Not Specified
Awards Status
Active
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
NUCLEAR WASTE SERVICES
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
CALDERBRIDGE
Postcode
CA20 1DB
Post Town
Carlisle
Country
England

Major Region (ITL 1)
TLD North West (England)
Basic Region (ITL 2)
TLD1 Cumbria
Small Region (ITL 3)
TLD13 Cumberland
Delivery Location
Not specified

Local Authority
Cumberland
Electoral Ward
Gosforth
Westminster Constituency
Whitehaven and Workington

Supplier Information

Number of Suppliers
1
Supplier Name

JOHN GRAHAM CONSTRUCTION LTD, TRADING AS GRAHAM

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33-2025-10-14T15:31:28+01:00",
    "date": "2025-10-14T15:31:28+01:00",
    "ocid": "ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33",
    "language": "en",
    "initiationType": "tender",
    "tender": {
        "id": "CF-0259000D4L000000iAvzUAE",
        "title": "Integrated Site Works Framework (ISWF)",
        "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.",
        "status": "complete",
        "classification": {
            "scheme": "CPV",
            "id": "45200000",
            "description": "Works for complete or part construction and civil engineering work"
        },
        "items": [
            {
                "id": "1",
                "deliveryAddresses": [
                    {
                        "postalCode": "CA20 1DB"
                    },
                    {
                        "countryName": "British Oversea Territories"
                    },
                    {
                        "countryName": "Channel Islands"
                    },
                    {
                        "countryName": "Europe"
                    },
                    {
                        "countryName": "Isle of Man"
                    },
                    {
                        "countryName": "Rest of the World"
                    },
                    {
                        "countryName": "United Kingdom"
                    }
                ]
            }
        ],
        "value": {
            "amount": 49600000,
            "currency": "GBP"
        },
        "procurementMethod": "open",
        "procurementMethodDetails": "Open procedure (above threshold)",
        "tenderPeriod": {
            "endDate": "2024-12-09T00:00:00Z"
        },
        "contractPeriod": {
            "startDate": "2025-08-07T00:00:00+01:00",
            "endDate": "2029-08-06T23:59:59+01:00"
        },
        "suitability": {
            "sme": false,
            "vcse": false
        },
        "mainProcurementCategory": "works"
    },
    "parties": [
        {
            "id": "GB-CFS-234344",
            "name": "Nuclear Waste Services",
            "identifier": {
                "legalName": "Nuclear Waste Services"
            },
            "address": {
                "streetAddress": "Pelham Drive",
                "locality": "Calderbridge",
                "postalCode": "CA20 1DB",
                "countryName": "GB"
            },
            "contactPoint": {
                "name": "Scott Sowerby",
                "email": "scott.sowerby@nuclearwasteservices.uk"
            },
            "roles": [
                "buyer"
            ]
        },
        {
            "id": "GB-CFS-291508",
            "name": "John Graham Construction Ltd, Trading as GRAHAM",
            "identifier": {
                "legalName": "John Graham Construction Ltd, Trading as GRAHAM"
            },
            "address": {
                "streetAddress": "5 Ballygowan Road, Hillsborough, Co Down, Hillborough, BT26 6HX"
            },
            "details": {
                "scale": "large"
            },
            "roles": [
                "supplier"
            ]
        }
    ],
    "buyer": {
        "id": "GB-CFS-234344",
        "name": "Nuclear Waste Services"
    },
    "awards": [
        {
            "id": "ocds-b5fd17-a8b236cd-1d47-4de1-acfd-8dc180b7ba33-1",
            "status": "active",
            "date": "2025-08-07T00:00:00+01:00",
            "datePublished": "2025-10-14T15:31:28+01:00",
            "value": {
                "amount": 49600000,
                "currency": "GBP"
            },
            "suppliers": [
                {
                    "id": "GB-CFS-291508",
                    "name": "John Graham Construction Ltd, Trading as GRAHAM"
                }
            ],
            "contractPeriod": {
                "startDate": "2025-08-07T00:00:00+01:00",
                "endDate": "2029-08-06T23:59:59+01:00"
            },
            "documents": [
                {
                    "id": "1",
                    "documentType": "awardNotice",
                    "description": "Awarded contract notice on Contracts Finder",
                    "url": "https://www.contractsfinder.service.gov.uk/Notice/b0abc2d9-fe9b-4ed3-9b3c-01d7f1c0db6b",
                    "datePublished": "2025-10-14T15:31:28+01:00",
                    "format": "text/html",
                    "language": "en"
                }
            ]
        }
    ]
}