Digester Inspection and Refurbishment Works

Thames Water Utilities Limited intends to establish a single-lot, multi-supplier framework agreement to deliver inspection, repair, refurbishment and upgrade works to anaerobic digester assets and associated infrastructure across its operational estate. Thames Water Utilities Limited intends to establish a single-lot, multi-supplier framework agreement to deliver inspection, repair, refurbishment and upgrade works to anaerobic digester assets and associated infrastructure across its operational estate. The framework will support the ongoing maintenance, regulatory compliance and enhancement of Thames Water's digester portfolio, which forms a critical part of sludge treatment operations. Works will be required across multiple sites and will be delivered as discrete packages or programmes of work called off over the duration of the framework. The scope of services to be delivered under the framework includes, but is not limited to: • Decommissioning, isolation and preparation of digesters for inspection and refurbishment • Removal, treatment and disposal of sludge, grit and associated waste materials in accordance with all applicable regulations • Internal and external inspection of digester structures and associated assets, including provision of inspection reports, defect identification and recommended remedial actions • Cleaning and enabling works required to facilitate inspection and subsequent refurbishment activities • Structural repair and refurbishment of digester assets, including roofs, walls, bases and associated civil infrastructure • Repair, replacement and upgrade of mechanical, electrical, control and instrumentation (MECI/MEICA) systems, including mixing equipment, pipework, valves, heating systems, and control/automation systems • Upgrade works to meet current regulatory, environmental and operational standards, including those relating to emissions control, gas management and asset performance • Temporary works, access solutions, cranage, site establ