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Contract Notice

Amey - Planned and Reactive Maintenance of the CVL HV Power Systems

  • First published: 21 September 2026
  • Last modified: 22 October 2026
  • Version: N/A
  • This file may not be fully accessible.

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Contents

Summary

OCID:
ocds-kuma6s-170766
Published by:
Seilwaith Amey Cymru / Amey Infrastructure Wales Limited
Authority ID:
AA77566
Publication date:
21 September 2026
Deadline date:
06 November 2026
Notice type:
Contract Notice
Has documents:
Yes
Has SPD:
No
Has Carbon Reduction Plan:
No

Abstract

The contract requires a suitably competent contractor to provide planned, cyclical and reactive inspection, maintenance, repair and renewal services for the CVL traction and non-traction high voltage power systems, including associated feeder stations, switching stations, 25kV assets, 11kV non-traction supplies, auxiliary transformers, protection systems, cables and related infrastructure. The contractor must deliver the service in accordance with Network Rail standards and the Employer’s specifications, provide competent staff for access planning, isolations and technical support, maintain a 24/7 emergency fault response capability, meet defined response times and KPIs, complete all inspection/test records and defect reports, and support both routine maintenance and separately instructed project works as required.

Full notice text

CONTRACT NOTICE – NATIONAL

SERVICES

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

James Charlesworth

+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

James Charlesworth

+44 800521660

james.charlesworth@amey.co.uk

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

james.charlesworth@amey.co.uk

http://amey.co.uk

2 Contract Details

2.1

Title

Amey - Planned and Reactive Maintenance of the CVL HV Power Systems

2.2

Description of the goods or services required

The contract requires a suitably competent contractor to provide planned, cyclical and reactive inspection, maintenance, repair and renewal services for the CVL traction and non-traction high voltage power systems, including associated feeder stations, switching stations, 25kV assets, 11kV non-traction supplies, auxiliary transformers, protection systems, cables and related infrastructure. The contractor must deliver the service in accordance with Network Rail standards and the Employer’s specifications, provide competent staff for access planning, isolations and technical support, maintain a 24/7 emergency fault response capability, meet defined response times and KPIs, complete all inspection/test records and defect reports, and support both routine maintenance and separately instructed project works as 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=170766.

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

45315100 Electrical engineering installation works
50532400 Repair and maintenance services of electrical distribution equipment
100 UK - All
1000 WALES
1010 West Wales and The Valleys
1011 Isle of Anglesey
1012 Gwynedd
1013 Conwy and Denbighshire
1014 South West Wales (Carmarthenshire, Pembrokeshire, Ceredigion)
1015 Central Valleys (Merthyr Tydfil, Rhondda Cynon Taf)
1016 Gwent Valleys (Torfaen, Blaenau Gwent, Caerphilly)
1017 Bridgend and Neath Port Talbot
1018 Swansea
1020 East Wales
1021 Monmouthshire and Newport
1022 Cardiff and Vale of Glamorgan
1023 Flintshire and Wrexham
1024 Powys

2.4

Total quantity or scope of tender

The Traction Power system consists of:

• Tonteg Feeder Station with connection to National Grid Upper Boat 275kV sub-station

• Ninian Park Feeder Station with connection to Network Rail Canton ATFS

• Abercynon Track Switching Station

• Pontypridd Track switching Station

• Radyr Mid-Point Track Switching Station

• Taffs Well Track Switching Station

• Queen Street Mid-Point Track Switching Station

• Four 25kV/400V Ground Mounted Signalling Power Auxiliary Supply Transformers located at Pontypridd, Abercynon, Llandaff and Heath PSP’s

• 11kV non-traction supply network from Ffordd Bleddyn Substation to the CVL Integrated Control Centre and Walnut Tree Depot in Taffs Well.

• 25kV Cables (please refer to Appendix B)

• Structure Mounted Motorised Outdoor Switchgear

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 (see codes required in Part 1 Instructions for Tenderers).

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 Limits

Time-limit for receipt of completed tenders
    23-10-2026  Time  12:00

Estimated award date
 17-11-2026

4.5

Language or languages in which tenders or requests to participate can be drawn up

EN 

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:170766)

5.2

Additional Documentation

Working with our suppliers

5.3

Publication date of this notice

 21-09-2026

Coding

Commodity categories

ID Title Parent category
45315100 Electrical engineering installation works Electrical installation work of heating and other electrical building-equipment
50532400 Repair and maintenance services of electrical distribution equipment Repair and maintenance services of electrical machinery, apparatus and associated equipment

Delivery locations

ID Description
1017 Bridgend and Neath Port Talbot
1022 Cardiff and Vale of Glamorgan
1015 Central Valleys (Merthyr Tydfil, Rhondda Cynon Taf)
1013 Conwy and Denbighshire
1020 East Wales
1023 Flintshire and Wrexham
1016 Gwent Valleys (Torfaen, Blaenau Gwent, Caerphilly)
1012 Gwynedd
1011 Isle of Anglesey
1021 Monmouthshire and Newport
1024 Powys
1014 South West Wales (Carmarthenshire, Pembrokeshire, Ceredigion)
1018 Swansea
100 UK - All
1000 WALES
1010 West Wales and The Valleys

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:
james.charlesworth@amey.co.uk
Technical contact:
N/a
Other contact:
james.charlesworth@amey.co.uk

Further information

Date Details
25/09/2026 12:34
Tender Update
All, thank you for registering interest. We hope to upload the formal RfQ along with supporting documentation by next Monday 28/09. I will notify you via email once this has happened. James
29/09/2026 11:02
ADDED FILE: PROC-Compete-FO-05 - ITT - AIW HV Maintenance
PROC-Compete-FO-05 - ITT - AIW HV Maintenance
29/09/2026 11:10
ADDED FILE: Traction Power Scope
Traction Power Scope
29/09/2026 11:11
ADDED FILE: HV Maintenance Pricing Schedule
HV Maintenance Pricing Schedule
29/09/2026 11:12
ADDED FILE: Supplier Scorecard template
Supplier Scorecard template
22/10/2026 18:21
Notice date(s) changed
The Deadline date was changed from 23/10/2026 12:00 to 06/11/2026 12:00.

All, we are extending the return date due to some outstanding TQ responses. James
26/10/2026 08:45
REPLACED FILE: Traction Power Scope
Traction Power Scope
02/11/2026 10:15
CVL HV Maintenance - Tender Clarification Schedule - v1.1 261028
All, please see attached responses to tender clarifications.
02/11/2026 10:16
ADDED FILE: CVL HV Maintenance - Tender Clarification Schedule - v1.1 261028
Tender Clarification responses
02/11/2026 10:21
ADDED FILE: Traction Power Maintenance dates
Traction Power Maintenance dates
03/11/2026 17:41
ADDED FILE: Appendix E Taffs Well Depot 11kv
See attached updated documents which covers response to CQ15.
04/11/2026 08:37
REPLACED FILE: Appendix E Taffs Well Depot 11kv
See attached updated documents which covers response to CQ15.

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:

Q&A

Ask the buyer any questions you may have relating to this notice. To ask the buyer a question or questions please click the "View Questions and Answers" button.

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

docx
docx369.13 KB
This file may not be accessible.
xlsx
xlsx12.55 KB
This file may not be accessible.
xlsx
xlsx29.10 KB
This file may not be accessible.
pdf
pdf4.45 MB
This file may not be accessible.
xlsx
xlsx32.52 KB
This file may not be accessible.
zip
zip95.18 MB
This file may not be accessible.
docx
docx116.30 KB
This file may not be accessible.
xlsx
xlsx13.30 KB
This file may not be accessible.

Replaced documents


0800 222 9004

Lines are open 8:30am to 5pm Monday to Friday.

Rydym yn croesawu galwadau'n Gymraeg.

We welcome calls in Welsh.