Tender: Thames Water Wastewater Targeted Catchment Investigations and CCTV Cleaning Services

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Thames Water is seeking suppliers to deliver Targeted Catchment Investigations (Lot 1) and CCTV and sewer cleaning services (Lot 2) across its wastewater network. Lot 1 covers delivery of TCIs within defined catchment areas to identify and reduce the risk of sewer blockages, pollution incidents, sewer flooding and customer service disruption, and may include sewer and manhole inspections, sewer cleaning, CCTV surveys, identification of root causes, first-time-fix activities where appropriate, and development of recommendations for follow-on works; suppliers must provide all labour, vehicles, equipment and associated resources and submit inspection data, CCTV records, photographs and other required outputs. Lot 2 covers planned CCTV inspection and sewer cleaning services including specialist cleaning and associated support services such as flow management, waste disposal and related operational works; suppliers will identify, record and report blockages, silt build-up, structural defects, root ingress and other operational issues, deliver CCTV enabling activities, defect identification and coding, emergency response works and pollution escalations, and provide permits, licences, traffic management and all required survey, inspection, waste disposal and job completion records. Services will be delivered across the Thames Water region, may be planned or reactive and work packages will vary in size, volume and location; Thames Water reserves the right to refine the award criteria and the deadline for requesting access to and submitting the PSQ is 28 September 2026 at 12:00pm.