Climate change is one of the greatest economic, social and environmental challenges of our time. One of the most important implications of climate change is the alterations in regional hydrologic cycles and subsequent effects on the quantity and quality of water resources. The performance of urban water infrastructure namely stormwater drainage pipes and sewer pipes) is highly sensitive to changes in the hydrologic cycle, notably precipitation extremes. Various studies have indicated that because of climate change, the intensity and frequency of extreme precipitation events have been on the rise, leading to increased flash floods, sewer overflows and so on. This session invites papers that analyse the impacts of these extreme precipitation events on urban drainage flows, sewer floods, surcharges and overflows.