DCC Wastewater Sludge Cake Haulage

Dŵr Cymru Welsh Water (DCWW) is seeking suitably qualified and experienced suppliers to provide wastewater sludge cake haulage services across four Lots: - **Lot 1 – Intercompany Haulage (North Wales)** - **Lot 2 – Intercompany Haulage (South Wales)** - **Lot 3 – Cake-to-Land Haulage (North Wales)** - **Lot 4 – Cake-to-Land Haulage (South Wales)** Services include planned and ad hoc collection, transportation and delivery of sludge cake between operational sites, treatment facilities, approved agricultural land and other authorised destinations, including associated activities where required. Suppliers may tender for one or more Lots.

DCWW intends to appoint Primary Suppliers and may appoint Reserve Suppliers in accordance with the published allocation methodology. The Transfer of Undertakings (Protection of Employment) Regulations 2006 (TUPE) are expected to apply to this procurement.

Relevant TUPE information will be shared with suppliers on **6 November 2026**, subject to receipt of a signed Non-Disclosure Agreement (NDA). The NDA will be issued through the eSourcing Portal by **30 October 2026**, alongside the responses to tender clarification questions.

The contract will have an initial term of four years, with four optional one-year extensions, giving a maximum duration of eight years. The procurement will be conducted using the Competitive Flexible Procedure under the Procurement Act 2023.

Provision of planned and ad hoc wastewater sludge cake haulage services between DCWW operational sites, treatment facilities and designated storage locations across North Wales. Services include the safe collection, transportation and delivery of sludge cake using suitable vehicles and DCWW-provided skips and specialist trailers, including associated operational, maintenance and regulatory compliance requirements.

Intercompany Haulage South WalesProvision of planned and ad hoc wastewater sludge cake haulage services between DCWW operational sites, treatment facilities and designated storage locations across South Wales. Services include the safe collection, transportation and delivery of sludge cake using suitable vehicles and DCWW-provided skips and specialist trailers, including associated operational, maintenance and regulatory compliance requirements.

Provision of planned and ad hoc wastewater sludge cake haulage services across North Wales, including transportation and delivery to approved agricultural land, storage facilities and other authorised destinations. Services include associated tipping, stockpile management and ancillary activities where required, together with applicable environmental, safety and regulatory compliance obligations.

Provision of planned and ad hoc wastewater sludge cake haulage services across South Wales, including transportation and delivery to approved agricultural land, storage facilities and other authorised destinations. Services include associated tipping, stockpile management and ancillary activities where required, together with applicable environmental, safety and regulatory compliance obligations.