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Construction Contract Leads

Changes to notice

This notice has been edited. The previous version is still available.

Update to tender deadline

Scope

Reference

C001287.00

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.

Total value (estimated)

• £5,300,000 excluding VAT
• £6,360,000 including VAT

Above the relevant threshold

Contract dates (estimated)

• 5 May 2026 to 28 May 2027
• Possible extension to 31 May 2028
• 2 years, 27 days

Description of possible extension:

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

Options

The right to additional purchases while the contract is valid.

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

Main procurement category

Works

CPV classifications

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

Contract locations

• UKL - Wales

Participation

Particular suitability

Small and medium-sized enterprises (SME)

Submission

Enquiry deadline

9 March 2026, 12:00pm

Tender submission deadline

16 March 2026, 12:00pm

Submission address and any special instructions

ITT code itt_122310

Tenders may be submitted electronically

Yes

Languages that may be used for submission

• Welsh
• English

Award decision date (estimated)

31 March 2026

Award criteria

Other information

Applicable trade agreements

• Government Procurement Agreement (GPA)

Conflicts assessment prepared/revised

Yes

Procedure

Procedure type

Open procedure

Contracting authority

Transport for Wales

• Companies House: 09476013

3 Llys Cadwyn

Pontypridd

CF37 4TH

United Kingdom

Email: procurement [at] tfw.wales

Region: UKL15 - Central Valleys

Organisation type: Public authority - sub-central government

Devolved regulations that apply: Wales