Urban Flood Risk and Economic Viability Analyses of a Smart Sustainable Drainage System

Urban drainage systems are in transition from functioning simply as a transport system to becoming an important element of urban flood protection measures providing considerable influence on infrastructure sustainability. Rapid urbanization combined with the implications climate change is one major emerging challenges. The increased concerns water security and ageing existing new challenges improving management. This study carried out Seixal area Portugal examines risk analyses mitigation techniques performed by computational modelling using MIKE SHE Danish Hydraulic Institute (DHI). Several scenarios were compared regarding sustainable (SuDS) efficiency. To obtain more accurate analysis, economic viability each technique was analyzed well through (i) life cost analysis (ii) taking into account damages caused certain type flood. results present that best scenario will minimize effects great consequently risk, which combines two different measures: permeable pavement detention basin. alternative allows us fully explore capacity viable technique, demonstrating very improvement Seixal.