Thames Water has gone out to tender with an AMP8 contract to put a framework in place for the provision of waste tankering and cleaning services.
The contract is being tendered in the following Lots:
Lot 1 - Flow Management
Waste Tankering Services, mainly reactive works
Thames Water requires reactive tanker resource and intersiting movements to maintain service across its sites and networks to prevent an escape of sewage into the environment. The services are normally required and carried out on a reactive basis caused by weather or site events.
Direct award only, no mini competitions, panel of 8 suppliers
Lot 2 - Sewage Treatment Works and Wet Well Cleans
Flow Management, Cleaning, and Related Works, reactive works as well as planned works
Thames Water requires Sewage Treatment Works Cleaning Services and reactive sewage pumping station cleaning services consisting of specialist cleaning activities on wet wells as well as adjacent technical services including flow management, disposal and other works related to the cleaning of pumping station wet wells and tanks across all Thames Water regions.
Direct award only, no mini competitions, panel of 6 suppliers
Lot 3 - Resilience and Quoted Works
Flow management, Sewage Treatment Works, Wet Well Cleans. Overflow of Lots 1 and 2 and reactive.
Thames Water requires specialist cleaning services for Sewage Treatment Works and reactive/planned cleaning of sewage pumping stations. This includes activities such as wet well cleaning, flow management, waste disposal, and other related technical services across all Thames Water regions. Routine maintenance and minor cleaning tasks are typically handled by Thames Water's internal teams, who engage external suppliers on an ad-hoc basis when specialist labour or equipment is needed.
In addition, Thames Water requires reactive and planned tanker resources for intersiting movements to support operations across its sites and networks. These services are essential to maintaining performance and preventing environmental incidents such as sewage escapes.
Lastly Thames Water may request the supplier to provide labour only HGV drivers to support other workstreams - this resource is likely to be seasonal based or incident/event driven.
- Planned Work: Mini competition, additional 8 suppliers together with the suppliers in Lots 1 and 2
- Reactive Work: Direct award to the additional 8 suppliers
Current estimated start and end contract dates are 1 April 2026 to 31 March 2029 with a further possible extension option to 31 March 2034.
Thames Water envisages that the contract will be awarded for an initial term of 3 years with options to extend by 1 year or longer, up to a maximum overall term of 8 years.
If suppliers are awarded Lot 1 or 2 they will automatically be awarded Lot 3, together with an additional 8 other suppliers for Lot 3 only
Thames Water is looking to appoint up to 22 suppliers to the framework.
Deadline to submit enquiries about the contract is 5.00pm on 19 September 2025 and the deadline for requests to participate is 10:00am on 30 September 2025.
Thames Water is now inviting suppliers to register their interest and provide their company name, company address (the address of what would be the contracting company entity) and contact details of two people from the organisation the water company can correspond with.
Once the supplier has completed and submitted the online form Thames will then send the nominated representatives an invitation to access its SAP Ariba Sourcing platform, together with an email with instructions for registering and using the system. Suppliers will also have the opportunity to request further representatives from their company to be granted access to the project once the initial invitation has been sent.
Suppliers' Procurement Specific Questionnaire submissions will be scored and shortlisted in accordance with the criteria set out within the PSQ documentation and suppliers that are shortlisted will be invited to submit a proposal in response to the Invitation to Negotiate.
Thames Water expects to make its award decision in January 2026. No information is curently available with regard to estimated overall contract value.
Click here to access the online for and submit a request to participate.
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