Measured Term Contract for General Repairs and Annual Maintenance of Sustainable Urban Drainage (SUD’s) Installations

Tender description

North Ayrshire Council requires to appoint a contractor to deliver the annual servicing and maintenance of existing Sustainable Urban Drainage (SuDS) installations within North Ayrshire region. Lot 1: Over the years, NAC have been redeveloping various brownfield sites with the aim of increasing council homes available to the community. As part of the development works, each project requires to be served by new roads and drainage infrastructure, including the provision of Sustainable Urban Drainage Systems (SuDS). Generally, and as part of the future vesting process, Scottish Water will take on both the ownership and future maintenance of below ground assets which include pipework and underground storage which includes geocellular storage crates. Some sites have been identified as potentially having private sewer and/or above ground SuDS features which the Council require a contractor to service and maintain. SuDS play a critical role in managing surface water runoff and reducing flood risk. These systems are essential for compliance with environmental regulations and for supporting sustainable development objectives, however, SuDS are not self-maintaining assets. They require regular servicing, inspection, and repair to remain effective. Without proactive maintenance, issues such as blockages, structural failures, or equipment malfunctions could lead to flooding, property damage, and environmental harm, as well as increased long-term costs for remedial works. The successful contractor will be required to carry out routine inspections, annual servicing, planned maintenance, reactive repairs and remedial works across five types of Sustainable Urban Drainage (SuDS) assets: permeable paving, filter drains, underground storage systems, detention basins, and ponds/wetlands. Works include debris removal, vegetation management, silt monitoring and removal, operational checks, structural inspections, and corrective actions to maintain asset performance and prevent blockages, flooding, or environmental harm.