Cynllun Caffael Strategaeth Cyflenwad Dŵr Cwm Taf - Caffael Uniongyrchol i Gwsmeriaid (DPC)

What this is

Welsh Water (DCWW) is seeking a competitively appointed provider (PAC) under the Direct Procurement for Customers (DPC) model to design, build, and finance two major water treatment infrastructure projects: Dan-y-Castell (new treatment works and raw water pumping station near Merthyr Tydfil, estimated £362–434.4 million) and Llwyn-onn (upgrade of existing treatment works, estimated £194–232.8 million). This is a speculative market engagement notice inviting interest from investors, lenders, contractors, and designers.

Key points

• This is a speculative market engagement notice (not a formal tender call) for a major DPC-designated water infrastructure investment in Wales.
• Two separate sites: Dan-y-Castell (new treatment works and raw water pumping station near Merthyr Tydfil) and Llwyn-onn (upgrade of existing treatment works).
• Combined estimated value approximately £556–667.2 million (£362–434.4 million for Dan-y-Castell; £194–232.8 million for Llwyn-onn).
• Competitive PAC procurement process expected to conclude with contract award by end of 2028; 12-month Reliability and Optimization period follows detailed design, build, test, and commissioning.
• Interest sought from investors, lenders, contractors, designers, and supply organizations capable of supporting delivery and financing under the DPC model.
• All values and dates stated in this preliminary market engagement notice are indicative; this notice is not a commitment to procure.

Who can bid

This is a speculative notice (market engagement phase), not a formal tender. Interest is sought from investors, lenders, contractors, designers, and other supply organizations capable of supporting delivery and financing a safe, sustainable, value-driven solution through this major DPC-designated infrastructure project.

Money

Dan-y-Castell: estimated £362,000,000 (excluding VAT) / £434,400,000 (including VAT). Llwyn-onn: estimated £194,000,000 (excluding VAT) / £232,800,000 (including VAT). Combined two-site scheme value approximately £556–667.2 million.

How to submit

This is a market engagement notice, not a call for competition or tender notice. Instructions for recording interest and obtaining further information are within the Full Notice Text. Contact: Alun Williams, CwmTafScheme@dwrcymru.com, +44 2922943321. Portal: https://dwrcymru-welshwater.bravosolution.co.uk/web/login.html

Contract period

Competitive procurement process expected to conclude with PAC contract award by end of 2028. PAC contract will proceed through detailed design, build, test, and commissioning activities, including an expected 12-month Reliability and Optimization period, followed by operational phase managed by DCWW. All dates are indicative.

Classification

CPV 45000000 — Construction work 45200000 — Works for complete or part construction and civil engineering work45231100 — General construction work for pipelines45231300 — Construction work for water and sewage pipelines45240000 — Construction work for water projects45252126 — Drinking-water treatment plant construction work65100000 — Water distribution and related services WalesMerthyr TydfilBrecon Beacons National Park