Core Valley Lines - Cwmbach Drainage

Buyer Contact Info

Buyer Name: Seilwaith Amey Cymru / Amey Infrastructure Wales Limited

Buyer Address: Transport for Wales Infrastructure Hub / Ty Trafnidiaeth, Trefforest Industrial Estate,, Pontypridd

Contact Name: Matt Brown

Contact Telephone: +44 800521660

Status
Unknown

Procedure
open

Value
n/a

Published
02 Mar 2026, 13:49

Deadline
30 Mar 2026, 17:00

Contract Start
n/a

Contract End
n/a

Category
works

CPV
n/a

Region
n/a

Awarded To
n/a

Official Source
Open Sell2Wales

Description

AIW seeks to engage a Subcontractor to undertake the required works in South Wales, based on the NEC4 Engineering Construction Subcontract.AIW is responsible for the operation and maintenance of the Core Valley Lines (CVL) network on behalf of Transport for Wales (TfW) acting on behalf of the Welsh Government.As part of the AIW responsibility to maintain this network, there is a requirement as agreed by TfW to repair and renew elements of the network. The works at Cwmbach is a renewal item required.NOTE: To register your interest in this notice and obtain any additional information please visit the Sell2Wales Web Site at https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=162261.The buyer has indicated that it will accept electronic responses to this notice via the Postbox facility. A user guide is available at https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx.Suppliers are advised to allow adequate time for uploading documents and to dispatch the electronic response well in advance of the closing time to avoid any last minute problems. (WA Ref:162261)The buyer considers that this contract is suitable for consortia bidding.

Linked Documents

No linked documents found for this notice.

Opportunity Context

Documents

Document Title: Part 1 Instructions for Tenderers

Document Title: Part 2 NEC4 Contract Option A

Document Title: Part 3 Scope

Document Title: Part 4 Site Information

Document Title: Part 5 Activity Schedule

Document Title: Part 6 Selection Questionnaire

Document Title: Appendix 1

Document Title: Appendix 2

Document Title: Appendix 3

Document Title: Appendix 4

Document Title: Appendix 5

Document Title: Part 4 Site Information Rev01

Document Title: Part 1 Instructions for Tenderers RO1

Document Title: Part 1 Instructions for Tenderers R00

Raw Notice JSON

Expand raw payload

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  "date": "2026-03-02T13:49:49Z",
  "id": "ocds-kuma6s-162261-release-162261",
  "initiationType": "tender",
  "ocid": "ocds-kuma6s-162261",
  "parties": [
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        "streetAddress": "Transport for Wales Infrastructure Hub / Ty Trafnidiaeth, Trefforest Industrial Estate, "
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  "tender": {
    "additionalClassifications": [
      {
        "description": "Water chambers",
        "id": "44613210",
        "scheme": "CPV"
      },
      {
        "description": "Ground-drainage work",
        "id": "45111240",
        "scheme": "CPV"
      },
      {
        "description": "Excavating and earthmoving work",
        "id": "45112000",
        "scheme": "CPV"
      },
      {
        "description": "Excavating work",
        "id": "45112400",
        "scheme": "CPV"
      },
      {
        "description": "Covered or partially-covered railway excavations",
        "id": "45221213",
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      },
      {
        "description": "Culverts",
        "id": "45221220",
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      },
      {
        "description": "Drainage construction works",
        "id": "45232450",
        "scheme": "CPV"
      },
      {
        "description": "Drainage and surface works",
        "id": "45232451",
        "scheme": "CPV"
      },
      {
        "description": "Drainage works",
        "id": "45232452",
        "scheme": "CPV"
      },
      {
        "description": "Construction work for railways and cable transport systems",
        "id": "45234000",
        "scheme": "CPV"
      },
      {
        "description": "Railway construction works",
        "id": "45234100",
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    "communication": {
      "atypicalToolUrl": "https://www.sell2wales.gov.wales/"
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    "description": "AIW seeks to engage a Subcontractor to undertake the required works in South Wales, based on the NEC4 Engineering Construction Subcontract.AIW is responsible for the operation and maintenance of the Core Valley Lines (CVL) network on behalf of Transport for Wales (TfW) acting on behalf of the Welsh Government.As part of the AIW responsibility to maintain this network, there is a requirement as agreed by TfW to repair and renew elements of the network. The works at Cwmbach is a renewal item required.NOTE: To register your interest in this notice and obtain any additional information please visit the Sell2Wales Web Site at https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=162261.The buyer has indicated that it will accept electronic responses to this notice via the Postbox facility. A user guide is available at https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx.Suppliers are advised to allow adequate time for uploading documents and to dispatch the electronic response well in advance of the closing time to avoid any last minute problems.\n\n(WA Ref:162261)The buyer considers that this contract is suitable for consortia bidding.",
    "documents": [
      {
        "dateModified": "2026-03-10T16:33:49Z",
        "datePublished": "2026-03-02T13:49:49Z",
        "format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-1",
        "title": "Part 1 Instructions for Tenderers"
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        "id": "ocds-kuma6s-162261-document-162261-MAR593575-2",
        "title": "Part 2 NEC4 Contract Option A"
      },
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        "dateModified": "2026-03-02T13:49:50Z",
        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-3",
        "title": "Part 3 Scope"
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      {
        "dateModified": "2026-03-09T17:00:28Z",
        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-4",
        "title": "Part 4 Site Information"
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        "dateModified": "2026-03-02T13:49:50Z",
        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-5",
        "title": "Part 5 Activity Schedule"
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      {
        "dateModified": "2026-03-02T13:49:50Z",
        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-6",
        "title": "Part 6 Selection Questionnaire"
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        "dateModified": "2026-03-02T13:49:50Z",
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        "format": "application/x-zip-compressed",
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        "title": "Appendix 1"
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        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/x-zip-compressed",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-8",
        "title": "Appendix 2"
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        "dateModified": "2026-03-02T13:49:50Z",
        "datePublished": "2026-03-02T13:49:50Z",
        "format": "application/x-zip-compressed",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-9",
        "title": "Appendix 3"
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        "datePublished": "2026-03-02T13:49:50Z",
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        "id": "ocds-kuma6s-162261-document-162261-MAR593575-10",
        "title": "Appendix 4"
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        "dateModified": "2026-03-02T13:49:51Z",
        "datePublished": "2026-03-02T13:49:51Z",
        "format": "application/x-zip-compressed",
        "id": "ocds-kuma6s-162261-document-162261-MAR593575-11",
        "title": "Appendix 5"
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        "id": "ocds-kuma6s-162261-document-162261-MAR593575-12",
        "title": "Part 4 Site Information Rev01"
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        "id": "ocds-kuma6s-162261-document-162261-MAR593575-13",
        "title": "Part 1 Instructions for Tenderers RO1"
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        "title": "Part 1 Instructions for Tenderers R00"
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    "eligibilityCriteria": "The successful subcontractor will require verified ConstructionLine Gold and RISQS memberships, with works-specific RISQS RICCL coding in place.",
    "id": "ocds-kuma6s-162261-tender-162261",
    "mainProcurementCategory": "works",
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    "submissionMethodDetails": "https://www.sell2wales.gov.wales/",
    "tenderPeriod": {
      "endDate": "2026-03-30T17:00:00Z"
    },
    "title": "Core Valley Lines - Cwmbach Drainage"
  }
}