--- title: "Core Valley Lines - IM Renewals; Signal Light Modules" ocid: "ocds-kuma6s-156891" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-156891" markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-156891.md" json_url: "https://d3tenders.com/contract/ocds-kuma6s-156891.json" source: "Sell2Wales" current_stage: "Tender" buyer: "SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED" published: "2025-10-22" --- # Core Valley Lines - IM Renewals; Signal Light Modules Buyer: SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED Current stage: Tender OCID: ocds-kuma6s-156891 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-kuma6s-156891) [Download OCDS JSON](https://d3tenders.com/contract/ocds-kuma6s-156891.json) ## Summary The procurement process initiated by Seilwaith Amey Cymru / Amey Infrastructure Wales Limited involves the tender for the "Core Valley Lines - IM Renewals; Signal Light Modules". This tender falls under the "works" category, specifically focusing on electrical and railway signalling works, and is situated in Pontypridd. The tender stage is currently open, with the tender period ending on 10th November 2025, and the award period concluding by 18th November 2025. This open procurement method seeks a Build-only Subcontractor under an NEC4 Option A Contract to replace signal light modules that are reaching the end of their lifecycle along the CVL network. This tender presents significant opportunities for subcontractors specialising in electrical signalling and railway construction works, particularly those with verified ConstructionLine Gold and RISQS memberships and appropriate RICCL codes for signalling work. It is especially suited for businesses capable of managing and executing the required replacement and maintenance services, while being open to consortia bidding. The scope of work includes purchasing materials, planning, installing, and performing signal maintenance testing, contributing to substantial growth potential for contractors engaged in the UK railway infrastructure sector. ## Notice A number of the Signal Light Modules along the CVL network have, or are nearing, life-expired and are in need of replacement.AIW seek a Subcontractor to carry out the necessary replacement works in accordance with the Scope (see 'Additional Documents')Works comprise of, but not limited to, the following;* Purchase the required replacement Signal Light Module materials and components,* Plan, manage and install the replacement Signal Light Modules,* Allow for all temporary works, and* Undertake Signal Maintenance Testing in accordance with the Signal Maintenance Testing Handbook (SMTH).The successful Subcontractor will be required to plan their own possessions and isolations, however, AIW will pre-book the possessions and isolations as identified in the successful Subcontractors Tender Submission in order to achieve the required completion date. The successful Subcontractor is required to take over the possessions and isolations planning once the contract has been awarded.AIW seek to procure a Build only Subcontractor under and NEC4 Option A Contract to undertake the replacement works including temporary works.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=156891.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. Successful subcontractor will require verified ConstructionLine Gold and RISQS memberships, with associated RISQS RICCL codes in place for signalling works to suit as well (see list in Part 1 document).(WA Ref:156891)The buyer considers that this contract is suitable for consortia bidding. ## Key Details | Field | Value | | --- | --- | | Publication source | Sell2Wales | | Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=156891 | | Notice type | S2W Notice - Website Invitation to Tender Notice | | Procurement type | Standard | | Procurement category | Works | | Procurement method | Open | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Tender | ## Dates | Field | Value | | --- | --- | | Publication date | 22 Oct 2025 | | Submission deadline | 10 Nov 2025 | | Future notice date | Not specified | | Award date | Not specified | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | Not specified | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Not specified | | Lots status | Not specified | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED | | Locality | PONTYPRIDD | | Post town | Not specified | | Postcode | N/A | | Country | Not specified | | ITL 1 | Not specified | | ITL 2 | Not specified | | ITL 3 | Not specified | | Local authority | Not specified | | Electoral ward | Not specified | | Westminster constituency | Not specified | | Delivery location | Not specified | ## CPV Codes ### Divisions - 34 - Transport equipment and auxiliary products to transportation - 45 - Construction work - 50 - Repair and maintenance services - 71 - Architectural, construction, engineering and inspection services ### Codes - 34632200 - Electrical signalling equipment for railways - 34632300 - Electrical installations for railways - 45234100 - Railway construction works - 45234115 - Railway signalling works - 50220000 - Repair, maintenance and associated services related to railways and other equipment - 71311230 - Railway engineering services ## Release History - 22 Oct 2025 at 09:26 - Tender - S2W Notice - Website Invitation to Tender Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=156891 ## Notice URLs - http://amey.co.uk - https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=156891.The - https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx - https://www.sell2wales.gov.wales/sitehelp/help_guides.aspx.Suppliers ## 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-156891. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-156891.json.