---
title: "Core Valley Lines - Trehafod & Caerphilly Tunnel to Lisvane Station Drainage"
ocid: "ocds-kuma6s-149635"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-kuma6s-149635"
markdown_url: "https://d3tenders.com/contract/ocds-kuma6s-149635.md"
json_url: "https://d3tenders.com/contract/ocds-kuma6s-149635.json"
source: "Sell2Wales"
current_stage: "Planning"
buyer: "SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED"
published: "2025-04-04"
---

# Core Valley Lines - Trehafod & Caerphilly Tunnel to Lisvane Station Drainage

Buyer: SEILWAITH AMEY CYMRU / AMEY INFRASTRUCTURE WALES LIMITED  
Current stage: Planning  
OCID: ocds-kuma6s-149635

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-kuma6s-149635)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-kuma6s-149635.json)

## Summary

Seilwaith Amey Cymru / Amey Infrastructure Wales Limited is currently in the planning stage of a public procurement process for a project titled "Core Valley Lines - Trehafod & Caerphilly Tunnel to Lisvane Station Drainage." This project involves extensive drainage maintenance work along the railway lines between Trehafod and Caerphilly Tunnel to Lisvane Station, encompassing tasks such as culvert and under-track crossing (UTX) requirements. The industry category for this procurement is "works," specifically within multiple facets of drainage and railway construction. The procurement process was initiated as a tender on 4th April 2025, and interested parties must review the documentation attached to the speculative publication for more detailed scope requirements and location information.

This tender offers significant opportunities for businesses specialising in railway construction and drainage works to expand their portfolios and demonstrate their expertise. Companies with existing ConstructionLine Gold and RISQS memberships, along with the required RICCL codes, are particularly well-positioned to take advantage of this opportunity. The procurement process is ideal for firms that have the necessary technical skills and certifications to undertake complex infrastructure projects, providing them with the chance to contribute to the maintenance and improvement of critical railway infrastructure in Wales.

## Notice

Multiple track drainage maintenance requirements between Trehafod & Caerphilly Tunnel to Lisvane Station including culvert and UTX requirements.Further details on scope requirements and locations can be found in the attached documentation to this speculative publication.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=149635.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Sell2Wales |
| Latest notice | https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=149635 |
| Notice type | S2W Notice - Website Prior Information Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 4 Apr 2025 |
| Submission deadline | Not specified |
| 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

- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)
- 45 - Construction work
- 50 - Repair and maintenance services
- 77 - Agricultural, forestry, horticultural, aquacultural and apicultural services

### Codes

- 44163110 - Drainage pipes
- 44163112 - Drainage system
- 45111240 - Ground-drainage work
- 45221220 - Culverts
- 45232450 - Drainage construction works
- 45232451 - Drainage and surface works
- 45232452 - Drainage works
- 45232453 - Drains construction work
- 45234000 - Construction work for railways and cable transport systems
- 45234100 - Railway construction works
- 45234130 - Ballast construction works
- 50200000 - Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment
- 77211400 - Tree-cutting services
- 77312000 - Weed-clearance services

## Release History

- 4 Apr 2025 at 10:33 - Planning - S2W Notice - Website Prior Information Notice - https://www.sell2wales.gov.wales/search/search_switch.aspx?ID=149635

## Notice URLs

- http://amey.co.uk
- https://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=149635

## 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-149635. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-kuma6s-149635.json.