Low Level Waste Repository (LLWR) Vault Optimisation and Capping Delivery

{
  "id": "057001-2026",
  "tag": [
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  ],
  "date": "2026-06-17T11:13:26+01:00",
  "ocid": "ocds-h6vhtk-055c45",
  "buyer": {
    "id": "GB-PPON-PNWB-5846-DYCH",
    "name": "Nuclear Waste Services Limited"
  },
  "tender": {
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          "startDate": "2028-02-25T00:00:00Z"
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            "countryName": "United Kingdom"
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          {
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        ]
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    ],
    "title": "Low Level Waste Repository (LLWR) Vault Optimisation and Capping Delivery",
    "value": {
      "amount": 318000000,
      "currency": "GBP",
      "amountGross": 382000000
    },
    "status": "planned",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "techniques": {
      "hasFrameworkAgreement": true
    },
    "description": "Nuclear Waste Services (NWS) is seeking a Contractor to provide all necessary Design & Engineering, Labour, Equipment, Plant & Materials to undertake all works associated with the delivery of Vault Optimisation and Capping Delivery. The contractor should have a proven track record in handling large scale Earthworks projects, equipped with necessary machinery and expertise to ensure the project is completed efficiently and on schedule.\nNuclear Waste Services operates the Low-Level Waste Repository (LLWR) Site in West Cumbria on behalf of the Nuclear Decommissioning Authority. The LLWR Site is the national disposal facility for Low Level Waste (LLW) arising from the nuclear industry and wider industries, such as medical and defence.\nProtecting and developing the Repository’s radioactive waste disposal capability is a long-term programme of works, over the next 100+ years, that will provide future disposal facilities and protection of people and the environment from the disposed waste through to closure of the Repository Site. In the shorter term, over the next 15 years, the focus is on installing closure engineering works for long-term environmental protection from the wastes currently disposed of in Vault 8 and the adjacent legacy disposal trenches as well as constructing additional disposal capacity in the form of new LLW vaults.\nThe project under NWS covers the following packages of works:\n- Final Capping (provide an engineered protective cover) over all the Low Level Waste that has been disposed of in the trenches and vaults.\n- Design of an extension to the existing disposal Vault (V9), retaining wall to allow partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal.\n- Construction of an extension to the existing LLW disposal Vault (V9), retaining wall, partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal.\n- Design of an Interim Cap over the closed section of Vault 9.\n- Construction of an Interim Cap over the Low Level Waste that has been disposed in Vault 9.\nWorks include but is not limited to;\n- Earthworks, including excavation and Backfill work\n- Provision of associated plant\n- Site Clearance\n- Groundworks\n- Piling\n- Aggregates\n- Demolition\n- Drainage\n- Engineering & Construction Works\n- Design\n- Land remediation",
    "communication": {
      "futureNoticeDate": "2026-08-17T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PNWB-5846-DYCH",
      "name": "Nuclear Waste Services Limited",
      "roles": [
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      "address": {
        "region": "UKD11",
        "country": "GB",
        "locality": "Calderbridge, Seascale",
        "postalCode": "CA20 1DB",
        "countryName": "United Kingdom",
        "streetAddress": "Pelham House, Pelham Drive,"
      },
      "details": {
        "url": "https://www.gov.uk/government/organisations/nuclear-waste-services/about",
        "classifications": [
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            "scheme": "UK_CA_TYPE",
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        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "emma.stockdale@nuclearwasteservices.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
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      {
        "id": "057001-2026",
        "url": "https://www.find-tender.service.gov.uk/Notice/057001-2026",
        "format": "text/html",
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        "description": "Preliminary market engagement notice on Find a Tender",
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        "datePublished": "2026-06-17T11:13:26+01:00"
      }
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      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2026-07-01T23:59:59+01:00",
        "description": "An in person Low-Level Waste Repository Site tour is to be held Tuesday 14th July where principal contractors are invited to visit our Drigg site. Following the site tour, principal contractors will be encouraged to submit clarifications to NWS. Responses will be issued to all bidders in a transparent manner and will help inform and refine the Invitation to Tender (ITT) documentation.\nThis will then be followed by an online Market Engagement Event held on Tuesday 28th July where NWS will present the final procurement strategy, provide further detail on the scope of works and programme, and address any outstanding queries ahead of tender publication.\nTo register your place on the Site tour (reserved for those principal contractors) and/or virtual Market Engagement Event, please contact VOCDProcurement@nuclearwasteservices.uk by COP Monday 1st July 2026."
      }
    ]
  },
  "initiationType": "tender"
}

{
  "id": "068240-2025",
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  "date": "2025-10-24T14:23:52+01:00",
  "ocid": "ocds-h6vhtk-055c45",
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    "name": "Nuclear Waste Services Limited"
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        ]
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    ],
    "title": "Low Level Waste Repository (LLWR) Vault Optimisation and Capping Delivery",
    "value": {
      "amount": 300000000,
      "currency": "GBP",
      "amountGross": 360000000
    },
    "status": "planned",
    "legalBasis": {
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      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "techniques": {
      "hasFrameworkAgreement": true
    },
    "description": "Nuclear Waste Services (NWS) is seeking a Contractor to provide all necessary Design & Engineering, Labour, Equipment, Plant & Materials to undertake all works associated with the delivery of Vault Optimisation and Capping Delivery. The contractor should have a proven track record in handling large scale Earthworks projects, equipped with necessary machinery and expertise to ensure the project is completed efficiently and on schedule.\nNuclear Waste Services operates the Low-Level Waste Repository (LLWR) Site in West Cumbria on behalf of the Nuclear Decommissioning Authority. The LLWR Site is the national disposal facility for Low Level Waste (LLW) arising from the nuclear industry and wider industries, such as medical and defence. \nProtecting and developing the Repository’s radioactive waste disposal capability is a long-term programme of works, over the next 100+ years, that will provide future disposal facilities and protection of people and the environment from the disposed waste through to closure of the Repository Site. In the shorter term, over the next 15 years, the focus is on installing closure engineering works for long-term environmental protection from the wastes currently disposed of in Vault 8 and the adjacent legacy disposal trenches as well as constructing additional disposal capacity in the form of new LLW vaults. \nThe project under NWS covers the following packages of works:  \n- Final Capping (provide an engineered protective cover) over all the Low Level Waste that has been disposed of in the trenches and vaults. \n- Design of an extension to the existing disposal Vault (V9), retaining wall to allow partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal. \n- Construction of an extension to the existing LLW disposal Vault (V9), retaining wall, partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal. \n- Design of an Interim  Cap over the closed section of Vault 9. \n- Construction of an Interim Cap over the Low Level Waste that has been disposed in Vault 9. \nWorks include but is not limited to; \n- Earthworks, including excavation and Backfill work \n- Provision of associated plant \n- Site Clearance \n- Groundworks \n- Piling \n- Aggregates \n- Demolition \n- Drainage \n- Engineering & Construction Works \n- Design \n- Land remediation \nThe route to market decision will be based on ongoing engagement and feedback from the supply chain as well as ongoing development of the NWS procurement documents.",
    "communication": {
      "futureNoticeDate": "2026-09-24T23:59:59+01:00"
    },
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      "name": "Nuclear Waste Services Limited",
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        "country": "GB",
        "locality": "Calderbridge, Seascale",
        "postalCode": "CA20 1DB",
        "countryName": "United Kingdom",
        "streetAddress": "Pelham House, Pelham Drive,"
      },
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        "url": "https://www.gov.uk/government/organisations/nuclear-waste-services/about",
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    }
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  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "068240-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/068240-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-10-24T14:23:52+01:00"
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    "milestones": [
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        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-11-03T23:59:59Z",
        "description": "A virtual market engagement event is planned for Wednesday 5th November 2025 where we will confirm scope details, contract vehicle, duration, options under NEC, and sequencing of works. Suppliers are encouraged to express an interest in attending the event to the email address VOCDProcurement@nuclearwasteservices.uk by COP Monday 3rd November 2025. Potential follow up 1 to 1’s may be held in the Warrington or Cumbria area in due course."
      }
    ]
  },
  "initiationType": "tender"
}

{
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  "date": "2025-09-16T16:02:17+01:00",
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            "description": "Stone for construction, limestone, gypsum and slate"
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          {
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            "description": "Construction structures and materials; auxiliary products to construction (except electric apparatus)"
          },
          {
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    "title": "Low Level Waste Repository (LLWR) Vault Optimisation and Capping Delivery",
    "value": {
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      "amountGross": 360000000
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    "techniques": {
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    "description": "Nuclear Waste Services (NWS) is seeking a Contractor to provide all necessary Design & Engineering, Labour, Equipment, Plant & Materials to undertake all works associated with the delivery of Vault Optimisation and Capping Delivery. The contractor should have a proven track record in handling large scale Earthworks projects, equipped with necessary machinery and expertise to ensure the project is completed efficiently and on schedule.\nNuclear Waste Services operates the Low-Level Waste Repository (LLWR) Site in West Cumbria on behalf of the Nuclear Decommissioning Authority. The LLWR Site is the national disposal facility for Low Level Waste (LLW) arising from the nuclear industry and wider industries, such as medical and defence. \nProtecting and developing the Repository’s radioactive waste disposal capability is a long-term programme of works, over the next 100+ years, that will provide future disposal facilities and protection of people and the environment from the disposed waste through to closure of the Repository Site. In the shorter term, over the next 15 years, the focus is on installing closure engineering works for long-term environmental protection from the wastes currently disposed of in Vault 8 and the adjacent legacy disposal trenches as well as constructing additional disposal capacity in the form of new LLW vaults. \nThe project under NWS covers the following packages of works:  \n- Final Capping (provide an engineered protective cover) over all the Low Level Waste that has been disposed of in the trenches and vaults. \n- Design of an extension to the existing disposal Vault (V9), retaining wall to allow partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal. \n- Construction of an extension to the existing LLW disposal Vault (V9), retaining wall, partial closure seal of V9, new Leachate Management System and weather protection warehousing for HHISO containers awaiting disposal. \n- Design of an Interim  Cap over the closed section of Vault 9. \n- Construction of an Interim Cap over the Low Level Waste that has been disposed in Vault 9. \nWorks include but is not limited to; \n- Earthworks, including excavation and Backfill work \n- Provision of associated plant \n- Site Clearance \n- Groundworks \n- Piling \n- Aggregates \n- Demolition \n- Drainage \n- Engineering & Construction Works \n- Design \n- Land remediation \nThe route to market decision will be based on ongoing engagement and feedback from the supply chain as well as ongoing development of the NWS procurement documents.",
    "communication": {
      "futureNoticeDate": "2026-07-01T23:59:59+01:00"
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        "country": "GB",
        "locality": "Calderbridge, Seascale",
        "postalCode": "CA20 1DB",
        "countryName": "United Kingdom",
        "streetAddress": "Pelham House, Pelham Drive,"
      },
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      {
        "id": "057045-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/057045-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-09-16T16:02:17+01:00"
      }
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        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-09-26T23:59:59+01:00",
        "description": "A virtual market engagement event is planned for w/c 29th September 2025 where we will confirm contract vehicle, duration, options under NEC, and sequencing of works. Suppliers are encouraged to express an interest in attending the event to the email address VOCDProcurement@nuclearwasteservices.uk by 26th September 2025. Potential follow up 1 to 1’s may be held in the Warrington or Cumbria area in due course."
      }
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  },
  "initiationType": "tender"
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{
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          {
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          {
            "id": "45112000",
            "scheme": "CPV",
            "description": "Excavating and earthmoving work"
          },
          {
            "id": "71322000",
            "scheme": "CPV",
            "description": "Engineering design services for the construction of civil engineering works"
          },
          {
            "id": "44900000",
            "scheme": "CPV",
            "description": "Stone for construction, limestone, gypsum and slate"
          },
          {
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            "description": "Infill and land-reclamation work"
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          },
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        ]
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    ],
    "title": "Low Level Waste Repository (LLWR) Vault Optimisation and Capping Delivery",
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      "scheme": "UKPGA"
    },
    "description": "Nuclear Waste Services (NWS) operates the Low-Level Waste Repository (LLWR) Site in West Cumbria on behalf of the Nuclear Decommissioning Authority. The LLWR Site is the national disposal facility for Low Level Waste (LLW) arising from the nuclear industry and wider industries, such as medical and defence. Protecting and developing the Repository’s radioactive waste disposal capability is a long-term programme of works, over the next 100+ years, that will provide future disposal facilities and protection of people and the environment from the disposed waste through to closure of the Repository Site. In the shorter term, over the next 15 years, the focus is on installing closure engineering works for long-term environmental protection from the wastes currently disposed of in Vault 8 and the adjacent legacy disposal trenches as well as constructing additional disposal capacity in the form of new LLW vaults. NWS is seeking supply chain support to deliver significant Civil Engineering design and build capability for; • the optimised preliminary and detailed design for the next phase of disposals at the Repository in line with the Site’s Environmental Permit and Environmental Safety Case including Vault 9a, Leachate Management System and base slab for HHISO temporary warehousing. • Capping of the existing legacy disposal vault (Vault 8) and adjacent section of the legacy disposal trenches. • Construction of the future LLW disposal Vaults and Leachate Management System (as per detailed design above). • Closure and cap Design for the currently operational Vault 9. • Closure and partial Cap construction for Vault 9. (as per design above). The route to market decision will be based on market feedback and the ongoing development of the NWS procurement documents.",
    "communication": {
      "futureNoticeDate": "2026-07-10T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PNWB-5846-DYCH",
      "name": "Nuclear Waste Services Limited",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKD11",
        "country": "GB",
        "locality": "Calderbridge, Seascale",
        "postalCode": "CA20 1DB",
        "countryName": "United Kingdom",
        "streetAddress": "Pelham House, Pelham Drive,"
      },
      "details": {
        "url": "https://www.gov.uk/government/organisations/nuclear-waste-services/about",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PNWB-5846-DYCH",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "emma.stockdale@nuclearwasteservices.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "041533-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/041533-2025",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2025-07-21T10:44:25+01:00"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2025-07-29T23:59:59+01:00",
        "description": "A virtual Market Engagement Event is Planned for 30th July 2025 with a further In-Person event planned for W/C 11th August 2025 to be held at the LLW Repository Site in Cumbria. To register interest in the opportunity and to book your place at the virtual Market Engagement Event, please contact either of the addresses below sharing your details and email address: - scott.sowerby@nuclearwasteservices.uk - emma.stockdale@nuclearwasteservices.uk - alex.gibbon@nuclearwasteservices.uk"
      }
    ]
  },
  "initiationType": "tender"
}

{
  "id": "038699-2025",
  "tag": [
    "planning"
  ],
  "date": "2025-07-09T15:55:14+01:00",
  "ocid": "ocds-h6vhtk-055c45",
  "buyer": {
    "id": "GB-PPON-PNWB-5846-DYCH",
    "name": "Nuclear Waste Services Limited"
  },
  "tender": {
    "id": "C20500",
    "lots": [
      {
        "id": "1",
        "status": "planned",
        "contractPeriod": {
          "endDate": "2037-12-01T23:59:59Z",
          "startDate": "2027-12-01T00:00:00Z"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKD11",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "45200000",
            "scheme": "CPV",
            "description": "Works for complete or part construction and civil engineering work"
          },
          {
            "id": "71000000",
            "scheme": "CPV",
            "description": "Architectural, construction, engineering and inspection services"
          },
          {
            "id": "71322000",
            "scheme": "CPV",
            "description": "Engineering design services for the construction of civil engineering works"
          },
          {
            "id": "45000000",
            "scheme": "CPV",
            "description": "Construction work"
          },
          {
            "id": "45112300",
            "scheme": "CPV",
            "description": "Infill and land-reclamation work"
          },
          {
            "id": "45112000",
            "scheme": "CPV",
            "description": "Excavating and earthmoving work"
          },
          {
            "id": "44900000",
            "scheme": "CPV",
            "description": "Stone for construction, limestone, gypsum and slate"
          }
        ]
      }
    ],
    "title": "Low Level Waste Repository (LLWR) Disposal Model Optimisation and Closure Delivery Contract",
    "value": {
      "amount": 300000000,
      "currency": "GBP",
      "amountGross": 360000000
    },
    "status": "planned",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "description": "NWS is proceeding with significant civil engineering activities to fill and make safe a waste disposal area for the long-term environmental protection. These activities are based at the LLW Repository facility near Drigg Village in Cumbria, England.",
    "communication": {
      "futureNoticeDate": "2026-07-10T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PNWB-5846-DYCH",
      "name": "Nuclear Waste Services Limited",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKD11",
        "country": "GB",
        "locality": "Calderbridge, Seascale",
        "postalCode": "CA20 1DB",
        "countryName": "United Kingdom",
        "streetAddress": "Pelham House, Pelham Drive,"
      },
      "details": {
        "url": "https://www.gov.uk/government/organisations/nuclear-waste-services/about",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PNWB-5846-DYCH",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Emma Stockdale",
        "email": "emma.stockdale@nuclearwasteservices.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "038699-2025",
        "url": "https://www.find-tender.service.gov.uk/Notice/038699-2025",
        "format": "text/html",
        "noticeType": "UK1",
        "description": "Pipeline notice on Find a Tender",
        "documentType": "plannedProcurementNotice",
        "datePublished": "2025-07-09T15:55:14+01:00"
      }
    ]
  },
  "initiationType": "tender"
}