{
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    "id": "ocds-h6vhtk-05d2b2-2025-11-07T09:36:39Z",
    "date": "2025-11-07T09:36:39Z",
    "ocid": "ocds-h6vhtk-05d2b2",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PVXT-8784-YGNV",
            "name": "United Kingdom National Nuclear Laboratory",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PVXT-8784-YGNV"
            },
            "address": {
                "streetAddress": "Chadwick House, Birchwood Park",
                "locality": "Warrington",
                "postalCode": "WA3 6AE",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKD61"
            },
            "contactPoint": {
                "name": "David Brown",
                "email": "david.brown@uknnl.com",
                "telephone": "+44 7801216674"
            },
            "roles": [
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            ],
            "details": {
                "url": "https://www.nnl.co.uk/",
                "classifications": [
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                        "id": "publicAuthoritySubCentralGovernment",
                        "description": "Public authority - sub-central government"
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        "id": "GB-PPON-PVXT-8784-YGNV",
        "name": "United Kingdom National Nuclear Laboratory"
    },
    "planning": {
        "milestones": [
            {
                "id": "engagement",
                "type": "engagement",
                "description": "Please respond by the deadline of 5pm 14th November 2025 by completing and returning the RFI document as per the instructions in the below link. The RFI document and specification are available to download at this address, please sign up to the CTM tendering portal if you have not already: https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=99345&B=",
                "dueDate": "2025-11-14T23:59:59Z",
                "status": "scheduled"
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        ],
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                "id": "067904-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/067904-2025",
                "datePublished": "2025-10-23T15:30:35+01:00",
                "format": "text/html"
            },
            {
                "id": "071860-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/071860-2025",
                "datePublished": "2025-11-07T09:36:39Z",
                "format": "text/html"
            }
        ]
    },
    "tender": {
        "id": "NNLC382",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Provision of Instrument to Determine UF3 and UF4 Ratio in Molten Uranic Fuel Salt Matrices",
        "description": "UKNNL is in collaboration with Westinghouse on Springfields Fuels (SFL) site in the development and substantiation of a commercial scale process for the manufacture of fuel salt for the Integral Molten Salt Reactor (IMSR) for a client. As part of the customer requirements, the fuel salt material must be provided to a set specification. UKNNL are seeking support to develop a proven methodology and instrument for measurement of the UF3/UF4 ratio that could then be utilised by UKNNL staff for the purposes of supporting the delivery of the fuel salt product to the client.",
        "items": [
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                "id": "LOT-0000",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "09340000",
                        "description": "Nuclear fuels"
                    },
                    {
                        "scheme": "CPV",
                        "id": "38940000",
                        "description": "Nuclear evaluation instruments"
                    },
                    {
                        "scheme": "CPV",
                        "id": "42151000",
                        "description": "Nuclear reactors"
                    },
                    {
                        "scheme": "CPV",
                        "id": "71621000",
                        "description": "Technical analysis or consultancy services"
                    }
                ],
                "deliveryAddresses": [
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                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
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                        "region": "UKD",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
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                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UKD",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    }
                ],
                "relatedLot": "LOT-0000"
            }
        ],
        "value": {
            "amountGross": 180000,
            "amount": 150000,
            "currency": "GBP"
        },
        "mainProcurementCategory": "services",
        "additionalProcurementCategories": [
            "goods"
        ],
        "aboveThreshold": false,
        "lots": [
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                "id": "LOT-0000",
                "suitability": {
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                },
                "contractPeriod": {
                    "startDate": "2026-01-15T00:00:00Z",
                    "endDate": "2027-01-15T23:59:59Z"
                },
                "status": "planning"
            }
        ],
        "communication": {
            "futureNoticeDate": "2025-11-28T23:59:59Z"
        },
        "status": "planning",
        "amendments": [
            {
                "id": "071860-2025",
                "description": "Due to the recent half term in the UK affecting resource availability for some organisations, the deadline to respond to the RFI has been extended by 1 week. The closing date is now 5pm 14th November 2025."
            }
        ]
    },
    "language": "en"
}