--- title: "CVL Transformation - Rhymney Valley Line Electrification" ocid: "ocds-kuma6s-124665" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-124665" markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-124665.md" json_url: "https://d3tenders.com/contract/ocds-kuma6s-124665.json" source: "Sell2Wales" current_stage: "Award" buyer: "TRANSPORT FOR WALES" published: "2025-06-18" --- # CVL Transformation - Rhymney Valley Line Electrification Buyer: TRANSPORT FOR WALES Current stage: Award OCID: ocds-kuma6s-124665 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-kuma6s-124665) [Download OCDS JSON](https://d3tenders.com/contract/ocds-kuma6s-124665.json) ## Summary Transport for Wales has completed the contracting process for the "CVL Transformation - Rhymney Valley Line Electrification" project. This procurement involved the design and construction of the electrification for the Rhymney Valley, Coryton, and Cardiff Bay Lines, classified under the Rail industry category. The procurement was conducted through an open procedure, with the final award made to Seilwaith Amey Cymru / Amey Infrastructure Wales Limited. Key details include a contract valued at £33,000,000 and was signed on 5th April 2023. The procurement process, located in Pontypridd, UKL, progressed through various stages, culminating in its completion as indicated by the award and contract tags dated 18th June 2025. This substantial public work project provides significant opportunities for businesses involved in infrastructure and railway electrification. Large enterprises, particularly those specialising in large-scale engineering projects involving overhead line equipment, would find this type of contract beneficial for business expansion and portfolio diversification. Engaging in such contracts also allows firms to contribute to community benefits, aligning with Transport for Wales' economic and social objectives. Given the scope and complexity of the project, firms with a strong track record in delivering high-quality infrastructure works are well-suited to compete in similar future tenders. ## Notice Design and Construction of the electrification of the Rhymney Valley, Coryton and Cardiff Bay Lines ### Lot Information Lot 1 Procurement of a supplier to undertake the design and construction of overhead line equipment for the Rhymney Valley, Coryton and Cardiff Bay lines. ## Key Details | Field | Value | | --- | --- | | Publication source | Sell2Wales | | Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=124665 | | Notice type | OJEU - F3 - Contract Award Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Open | | Procurement method details | Open procedure | | Tender suitability | Not specified | | Awardee scale | Large | | All stages | Tender, Award | ## Dates | Field | Value | | --- | --- | | Publication date | 18 Jun 2025 | | Submission deadline | 28 Sep 2022 | | Future notice date | Not specified | | Award date | 5 Apr 2023 | | Contract period | 17 Oct 2022 - 1 May 2024 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £30,000,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | £33,000,000 | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Complete | | Awards status | Not specified | | Contracts status | Active | ## Buyer | Field | Value | | --- | --- | | Main buyer | TRANSPORT FOR WALES | | Locality | PONTYPRIDD | | Post town | Cardiff | | Postcode | CF37 4TH | | Country | Wales | | ITL 1 | TLL Wales | | ITL 2 | TLL5 South East Wales | | ITL 3 | TLL51 Central Valleys and Bridgend | | Local authority | Rhondda Cynon Taf | | Electoral ward | Pontypridd Town | | Westminster constituency | Pontypridd | | Delivery location | TLL Wales | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 1 | | Supplier names | SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES | ## CPV Codes ### Divisions - 45 - Construction work ### Codes - 45234100 - Railway construction works ## Release History - 18 Jun 2025 at 00:00 - Award - OJEU - F3 - Contract Award Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=124665 - 3 Oct 2022 at 00:00 - TenderUpdate - OJEU - F14 - Corrigendum - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=124665 - 27 Sep 2022 at 00:00 - TenderUpdate - OJEU - F14 - Corrigendum - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=124665 - 14 Sep 2022 at 00:00 - Tender - OJEU - F2 - Contract Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=124665 ## Documents - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=22 27th September 2022 - Revised Scope and Appendices in response to TQ - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=21 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=20 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=19 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=18 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=17 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=16 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=15 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=14 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=13 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=12 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=11 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=10 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=9 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=8 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=7 20th September 2022 - Buried Services Info - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=6 20th September 2022 - Works Information Appendices - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=3 16th September 2022 - Volume 3 - Pricing Document - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=4 16th September 2022 - Volume 4 T&Cs - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=5 16th September 2022 - Volume 4 - Scope - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=1 16th September 2022 - Volume 1 - Instructions to Tenderers - https://www.sell2wales.gov.wales/Notice/Download/DocumentDownload.aspx?id=SEP411713&idx=2 16th September 2022 - Volume 2 - Tender Questionnaire - https://www.sell2wales.gov.wales/search/show/search_view.aspx?ID=SEP411713 CVL Transformation - Rhymney Valley Line Electrification - Design and Construction of the electrification of the Rhymney Valley, Coryton and Cardiff Bay Lines - https://www.sell2wales.gov.wales/search/show/search_view.aspx?ID=JUN520287 CVL Transformation - Rhymney Valley Line Electrification - Design and Construction of the electrification of the Rhymney Valley, Coryton and Cardiff Bay Lines ## Notice URLs - http://tfw.wales - http://www.procurement.wales.nhs.uk - https://api.sell2wales.gov.wales/v1?lang=cy/Notice?id=ocds-kuma6s-124665 - https://www.sell2wales.gov.wales ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-kuma6s-124665. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-124665.json.