Summary
- OCID:
- ocds-kuma6s-162261
- Published by:
- Seilwaith Amey Cymru / Amey Infrastructure Wales Limited
- Authority ID:
- AA77566
- Publication date:
- 02 March 2026
- Deadline date:
- 30 March 2026
- Notice type:
- Contract Notice
- Has documents:
- Yes
- Has SPD:
- No
- Has Carbon Reduction Plan:
- No
Abstract
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.
Full notice text
CONTRACT NOTICE – NATIONAL
|
| WORKS |
1 Authority Details
|
1.1
|
Authority Name and Address
|
|
Seilwaith Amey Cymru / Amey Infrastructure Wales Limited |
Transport for Wales Infrastructure Hub / Ty Trafnidiaeth, Trefforest Industrial Estate, |
Pontypridd |
|
UK |
Matt Brown |
+44 800521660 |
|
|
http://amey.co.uk https://www.sell2wales.gov.wales/ https://www.sell2wales.gov.wales/ |
|
1.2
|
Address from which documentation may be obtained
Seilwaith Amey Cymru / Amey Infrastructure Wales Limited |
Transport for Wales Infrastructure Hub / Ty Trafnidiaeth, Trefforest Industrial Estate, |
Pontypridd |
|
UK |
|
+44 800521660 |
|
|
| http://amey.co.uk |
|
1.3
|
Completed documents must be returned to:
Seilwaith Amey Cymru / Amey Infrastructure Wales Limited |
Transport for Wales Infrastructure Hub / Ty Trafnidiaeth, Trefforest Industrial Estate, |
Pontypridd |
|
UK |
|
+44 800521660 |
|
|
| http://amey.co.uk |
|
2 Contract Details
|
2.1
|
Title
Core Valley Lines - Cwmbach Drainage
|
2.2
|
Description of the goods or services required
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.
|
2.3
|
Notice Coding and Classification
|
|
|
|
|
44613210 |
|
Water chambers |
|
45111240 |
|
Ground-drainage work |
|
45112000 |
|
Excavating and earthmoving work |
|
45112400 |
|
Excavating work |
|
45221213 |
|
Covered or partially-covered railway excavations |
|
45221220 |
|
Culverts |
|
45232450 |
|
Drainage construction works |
|
45232451 |
|
Drainage and surface works |
|
45232452 |
|
Drainage works |
|
45234000 |
|
Construction work for railways and cable transport systems |
|
45234100 |
|
Railway construction works |
|
|
|
|
|
1015 |
|
Central Valleys (Merthyr Tydfil, Rhondda Cynon Taf) |
|
2.4
|
Total quantity or scope of tender
Cwmbach is located at VON 20m 78yds, OS Map Reference SO 02285 01322.
The Subcontractor is to carry out the necessary works in accordance with the Detailed Design.
Works for Cwmbach comprise of the following, but not limited to;
Supply and installation of two number inspection chambers on existing culvert's running parallel and in close proximity to one another, and
Excavation of an overflow channel including supply and installation of grille to the outflows culvert's inlet.
AIW seek to procure a Build only Subcontractor under and NEC4 Option A Contract to undertake the drainage works including any temporary works design.
|
3 Conditions for Participation
|
3.1
|
Minimum standards and qualification required
The successful subcontractor will require verified ConstructionLine Gold and RISQS memberships, with works-specific RISQS RICCL coding in place.
|
4 Administrative Information
|
4.1
|
Type of Procedure
Single stage
|
4.2
|
Reference number attributed to the notice by the contracting authority
N/a
|
4.3
|
Time LimitsTime-limit for receipt of completed tenders
30-03-2026
Time 17:00
Estimated award date 04-05-2026 |
4.5
|
Language or languages in which tenders or requests to participate can be drawn upEN
|
4.6
|
Tender Submission Postbox
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 |
5 Other Information
|
5.1
|
Additional Information
(WA Ref:162261)
The buyer considers that this contract is suitable for consortia bidding.
|
5.2
|
Additional Documentation
|
|
Part 1 Instructions for Tenderers; Cwmbach Drainage R00 (27-02-26) |
|
Part 2 NEC4 Contract Option A; Cwmbach Drainage R00 (27-02-26) |
|
Part 3 Scope; Cwmbach Drainage R00 (27-02-26) |
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Part 4 Site Information; Cwmbach Drainage R00 (27-02-26) |
|
Part 5 Activity Schedule Template; Cwmbach Drainage R00 (27-02-26) |
|
Part 6 Selection Questionnaire; Cwmbach Drainage R00 (27-02-26) |
|
|
5.3
|
Publication date of this notice 02-03-2026 |
Coding
Commodity categories
| ID |
Title
|
Parent category
|
| 45234000 |
Construction work for railways and cable transport systems |
Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork |
| 45221213 |
Covered or partially-covered railway excavations |
Construction work for bridges and tunnels, shafts and subways |
| 45221220 |
Culverts |
Construction work for bridges and tunnels, shafts and subways |
| 45232451 |
Drainage and surface works |
Ancillary works for pipelines and cables |
| 45232450 |
Drainage construction works |
Ancillary works for pipelines and cables |
| 45232452 |
Drainage works |
Ancillary works for pipelines and cables |
| 45112000 |
Excavating and earthmoving work |
Building demolition and wrecking work and earthmoving work |
| 45112400 |
Excavating work |
Excavating and earthmoving work |
| 45111240 |
Ground-drainage work |
Demolition, site preparation and clearance work |
| 45234100 |
Railway construction works |
Construction work for railways and cable transport systems |
| 44613210 |
Water chambers |
Large containers |
Delivery locations
| ID |
Description
|
| 1015 |
Central Valleys (Merthyr Tydfil, Rhondda Cynon Taf) |
Alert region restrictions
The buyer has restricted the alert for this notice to suppliers based in the following regions.
| ID |
Description
|
|
There are no alert restrictions for this notice.
|
About the buyer
- Main contact:
- N/a
- Admin contact:
- N/a
- Technical contact:
- N/a
- Other contact:
- N/a
Further information
|
Date
|
Details
|
|
No further information has been uploaded.
|
Postbox
The awarding buyer has indicated that it will accept electronic responses to
this notice via the Tender Submission Postbox facility.
Submit your tender response electronically in a secure environment.
To create an electronic response please click the "Add to my interest list" button at the top of the page.
For more information on the Postbox Facility please refer to the user guide:
Additional documents
The following additional documents have been attached to this notice. To obtain these documents please select the individual file names below.
Current documents
There are no documents attached to this document
Replaced documents
There are no previous versions of these documents.