Civil engineering design development for South Wales Metro
Sell2Wales
Overview
Siemens Mobility has published a speculative notice seeking a subcontractor for civil engineering design development supporting the South Wales Metro and Cardiff Crossrail. The work may include ground investigation and topographical surveys, design integration support, and collaboration on installation efficiencies. The notice lists RISQS accreditation relevant to the work and proven experience on similar UK rail infrastructure as requirements. It covers several South Wales regions. No response deadline or contract value is stated; the page gives 2 November 2026 as the estimated start of the award procedure.
Information based on the public notice
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What the buyer needs
Siemens Mobility has published a speculative notice seeking a subcontractor for civil engineering design development supporting the South Wales Metro and Cardiff Crossrail. The work may include ground investigation and topographical surveys, design integration support, and collaboration on installation efficiencies. The notice lists RISQS accreditation relevant to the work and
- RISQS accreditation relevant to the work
- Proven track record delivering similar projects on UK rail infrastructure
Tender details
- Buyer
- Siemens Mobility Limited
- Country
United Kingdom- Procedure
- Prior information notice
- Classification
- Architecture and engineering services
- Notice reference
- SEP662525
- Scope
- Civil engineering design development for South Wales Metro
What to check in the tender documents
- This is a speculative notice with no response deadline, contract value or detailed quantities. The page says further information is not available; linked documents were not provided.
Original notice
Read the original description
Civil engineering design development
Official source: Sell2Wales ↗
Notice updates
October 24, 2026 · Version 2
Classification updated
Civil engineering design development
Speculative Notice – NATIONAL Notice Type: WORKS Published by: Siemens Mobility Limited Contract title: Civil engineering design development Description: Siemens Mobility Limited are looking to award a subcontract to support us with the delivery of the South Wales Metro. The project extends the work on the Core Valley Lines programme. Cardiff Crossrail aims to build a tram network linking Cardiff from east to west. The contractor is to undertake civil engineering design development and any required ground investigation and topographical surveys across the Crossrail project area. The contractor shall provide civil engineering support, including a suitably competent Contractor’s Responsible Engineer – Civil Engineering (Design), to aid development of the design works and ensure design integration, and collaborate with the Siemens Civils CRE Construction to develop design efficiency improvements for installation. Requirements stated in the speculative notice: RISQS accreditation relevant to the works and a proven track record on similar UK rail infrastructure projects. Delivery areas: South West Wales; Central Valleys; Gwent Valleys; Monmouthshire and Newport; Cardiff and Vale of Glamorgan. Estimated start of award procedure: 02-11-2026. Publication date: 30-09-2026. No deadline date is stated.
October 14, 2026 · Version 1
Published
Civil engineering design development
Speculative Notice – NATIONAL Notice Type: WORKS Published by: Siemens Mobility Limited Contract title: Civil engineering design development Description: Siemens Mobility Limited are looking to award a subcontract to support us with the delivery of the South Wales Metro. The project extends the work on the Core Valley Lines programme. Cardiff Crossrail aims to build a tram network linking Cardiff from east to west. The contractor is to undertake civil engineering design development and any required ground investigation and topographical surveys across the Crossrail project area. The contractor shall provide civil engineering support, including a suitably competent Contractor’s Responsible Engineer – Civil Engineering (Design), to aid development of the design works and ensure design integration, and collaborate with the Siemens Civils CRE Construction to develop design efficiency improvements for installation. Requirements stated in the speculative notice: RISQS accreditation relevant to the works and a proven track record on similar UK rail infrastructure projects. Delivery areas: South West Wales; Central Valleys; Gwent Valleys; Monmouthshire and Newport; Cardiff and Vale of Glamorgan. Estimated start of award procedure: 02-11-2026. Publication date: 30-09-2026. No deadline date is stated.
https://www.sell2wales.gov.wales/search/show/search_view.aspx?ID=SEP662525
Source retrieved: 2026-10-14T06:06:00Z