Provision of CVL Transformation Works – Track, Drainage and Level Boarding (TDLB)

Procurement reference

C001287.00

Procurement description

TfW are looking to appoint a contractor to deliver track, drainage and associated level boarding (TDLB) enhancements at a number of Core Valley Lines and Network Rail stations.

As part of the TfW Core Valley Line (CVL) Transformation works, there is a requirement to improve the train services by increasing the speed of trains, increasing the frequency and reliability of services and to improve the passenger experience by providing level boarding at stations. To achieve these improvements the network will require new track and drainage infrastructure and improved platforms. A summary of the Works to be constructed as part of the Contract Scope include:

Cathays LSI – Track Works

Caerphilly Station – Track and Level Boarding (now removed from current scope)

Cardiff Central Station – Track Works

Danescourt Drainage (now removed from current scope)

Coryton Station (now added to current scope)

Mountain Ash to Fernhill Track Drainage

Various Buffer Stop Enhancements and Replacements

TfW intends to award further track, drainage and level boarding works through one of its live track contracts (including this contract) prior to the December 2026 timetable change, further details of which can be found in the ITT documents on etenderwales.

Main category

Works

Delivery regions

• UKL - Wales

Total value (estimated, excluding VAT)

5300000 GBP to 5300000GBP

Contract dates (estimated)

05 May 2026, 00:00AM to 28 May 2027, 23:59PM

Extension end date (if all the extensions are used): 31 May 2028

Transport for Wales

Procedure type

Open procedure

Is the total value above threshold?

Above threshold

Trade agreements

Government Procurement Agreement (GPA)

CPV classifications

• 45230000 - Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork
• 45220000 - Engineering works and construction works

Delivery regions

• UKL - Wales

Lot value (estimated)

5300000 GBP Excluding VAT

6360000 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Contract start date (estimated)

05 May 2026, 00:00AM

Contract end date (estimated)

28 May 2027, 23:59PM

Extension end date (estimated)

31 May 2028, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Allowable extensions to complete outstanding works and any further level boarding work varied into the contract

Does the lot include options?

Yes

Description of options

Scope for level boarding works to be varied into agreement as described in further detail in ITT Vol 1

Award criteria

Tender submission deadline

16 March 2026, 12:00PM

Enquiry deadline

09 March 2026, 12:00PM

Date of award of contract

31 March 2026, 23:59PM

Submission address and any special instructions

https://etenderwales.ukp.app.jaggaer.com/web/login.shtmlITT code itt_122310

May tenders be submitted electronically?

Yes

Languages that may be used for submission

• English
• Welsh