Cardiff Heat Network Expansion Project

{
  "id": "003683-2026",
  "tag": [
    "planning"
  ],
  "date": "2026-01-16T08:23:50Z",
  "ocid": "ocds-h6vhtk-060723",
  "buyer": {
    "id": "GB-PPON-PVHP-5769-YHRQ",
    "name": "Cardiff Council"
  },
  "tender": {
    "id": "ocds-h6vhtk-060723",
    "lots": [
      {
        "id": "1",
        "status": "planning",
        "hasRenewal": true,
        "suitability": {
          "sme": true
        },
        "contractPeriod": {
          "endDate": "2030-11-30T23:59:59+00:00",
          "startDate": "2026-12-01T00:00:00+00:00",
          "maxExtentDate": "2034-11-30T23:59:59+00:00"
        }
      }
    ],
    "items": [
      {
        "id": "1",
        "relatedLot": "1",
        "deliveryAddresses": [
          {
            "region": "UKL22",
            "country": "GB",
            "countryName": "United Kingdom"
          }
        ],
        "additionalClassifications": [
          {
            "id": "45200000",
            "scheme": "CPV",
            "description": "Works for complete or part construction and civil engineering work"
          }
        ]
      }
    ],
    "title": "Cardiff Heat Network Expansion Project",
    "value": {
      "amount": 10000000,
      "currency": "GBP",
      "amountGross": 12000000
    },
    "status": "planning",
    "legalBasis": {
      "id": "2023/54",
      "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents",
      "scheme": "UKPGA"
    },
    "techniques": {
      "hasFrameworkAgreement": true
    },
    "description": "UKDEA Member Cardiff Heat Network Ltd (CHN) is inviting early market interest for upcoming expansion projects to support the ongoing growth of the city’s low-carbon district heating system. Future works will be delivered on a call-off basis under a framework contract with the selected contractor. The works will encompass both small and large network connections to the existing networks, with anticipated annual contract values for individual packages ranging from £300,000 to £10 million.\nThe scope is expected to include full design, civils, pipe and substation installation, commissioning and where an existing building, integration into secondary-side systems.\nThe scope of the framework will include but not be limited:\n1.\tHighways and Civil Works: GPR surveys, utility mapping, trial holes, trenching, reinstatement, and coordination within the public highway, TTRO’s, phase road closure coordination, etc.\n2.\tEasements and Access: Support with wayleaves and optimal routing.\n3.\tPipe Installation and Commissioning: Pre-insulated pipework installation, welding, NDT testing, ice pigging, water filling, chemical conditioning, balancing, system commissioning and certification.\n4.\tBuilding Connections: (where required - internal pipework modifications to connect to existing secondary circuits), installation and commissioning of customer substations, BMS integration and controls.\n5.\tDesign, Management & Safety: Multi-disciplinary design, project management, Principal Contractor role under CDM, community engagement and full compliance with health, safety, and environmental standards.\nCHN is seeking capability statements and expressions of interest from suitable contractors or consortiums ahead of launching a formal procurement process which will take place via a procurement portal selected by CHN.\nIf any member would like to respond to this request, please submit your expression of interest and capability statement via Proactis\nAny questions regarding this process please submit them via the question tab on Proactis",
    "communication": {
      "futureNoticeDate": "2026-10-01T23:59:59+01:00"
    },
    "aboveThreshold": true,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PVHP-5769-YHRQ",
      "name": "Cardiff Council",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKL22",
        "country": "GB",
        "locality": "Cardiff",
        "postalCode": "CF10 4UW",
        "countryName": "United Kingdom",
        "streetAddress": "County Hall"
      },
      "details": {
        "url": "http://www.cardiff.gov.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          },
          {
            "id": "GB-WLS",
            "scheme": "UK_CA_DEVOLVED_REGULATIONS",
            "description": "Welsh devolved regulations apply"
          }
        ]
      },
      "identifier": {
        "id": "PVHP-5769-YHRQ",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "email": "ardalprocurement@cardiff.gov.uk"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "003683-2026",
        "url": "https://www.find-tender.service.gov.uk/Notice/003683-2026",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2026-01-16T08:23:50Z"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2026-02-09T23:59:59+00:00",
        "description": "We are requesting capability statements and expression of interests from suitable contractors or consortiums."
      }
    ]
  },
  "initiationType": "tender"
}