Core Valley Lines - Caerphilly Tunnel Shaft 1

What this is

Seilwaith Amey Cymru / Amey Infrastructure Wales Limited is procuring a contract for "Core Valley Lines - Caerphilly Tunnel Shaft 1". AIW seeks to engage a Subcontractor to undertake the required works in South Wales, based on the NEC4 Engineering Construction Subcontract. Submission deadline 2026-06-30.

Key points

• Buyer: Seilwaith Amey Cymru / Amey Infrastructure Wales Limited; location: Wales.
• Estimated value: not stated.
• Submission deadline: 2026-06-30.

Who can bid

Bidders must meet the standard selection/exclusion criteria plus the certification/insurance requirements referenced in the notice (see threshold conditions). Full details are in the tender documents.

How it is scored

Award criteria (quality/price weighting) are set out in the tender documents and were not itemised in the notice.

How to submit

Submit via the e-procurement portal / as instructed in the notice. Reference: https://www.sell2wales.gov.wales/search/show/search_view.aspx?ID=MAY620469

Clarifications

Direct clarification questions through the procurement portal by the enquiry deadline stated in the notice.

Contract period

Contract period as stated in the tender documents.

Classification

CPV 34951000 — Access platforms 44212310 — Scaffolding45200000 — Works for complete or part construction and civil engineering work45221242 — Railway tunnel construction work45221248 — Tunnel linings construction work45232450 — Drainage construction works45232452 — Drainage works Wales