Railway Network Repair and Renewal Works in South Wales

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 o…

Source ID: UK-S2W-ocds-kuma6s-162261

Scope overview

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.

Statusopen
CountryUnited Kingdom
Publish dateMar 2, 2026
Submission deadlineMar 30, 2026
Estimated value
Notice typetender_notice
Sourceuk-sell2wales-ocds
BuyerSeilwaith Amey Cymru / Amey Infrastructure Wales Limited
Buyer websitehttps://www.sell2wales.gov.wales/
City

Buyer & contacts

OrganizationSeilwaith Amey Cymru / Amey Infrastructure Wales Limited

Documents

  • Part 1 Instructions for Tenderers

    Attachment

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  • Part 2 NEC4 Contract Option A

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  • Part 3 Scope

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  • Part 4 Site Information

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  • Part 5 Activity Schedule

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  • Part 6 Selection Questionnaire

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  • Appendix 1

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  • Appendix 2

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  • Appendix 3

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  • Appendix 4

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  • Appendix 5

    Attachment

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  • Part 4 Site Information Rev01

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  • Part 1 Instructions for Tenderers RO1

    Attachment

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  • Part 1 Instructions for Tenderers R00

    Attachment

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  • Cwmbach Waste Classification v2

    application/pdf

    Download

Tags & Signals

railway maintenanceinfrastructure renewalCore Valley LinesNEC4 subcontractSouth Walestransport infrastructureconstruction workspublic procurement

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