Sewer system management in extraordinary events

Abstract

This paper deals with the problem of sewer system management in extraordinary conditions - by which are included both non-regular and special events. Extreme precipitation, thick layer of snow and its melting, extreme temperatures, odors, electrical energy shortage in main pumping stations, malfunctions of main pumping stations, obstruction of collecting pipes, discharge of septic tanks' contents in Belgrade Sewer System's (BSS) manholes, etc. belong to the group of non-regular events. As special events are considered damages of BSS's buildings and objects, high water levels of Danube and Sava, earthquakes, fires in main pumping stations, high concentration of pollution in sewer system and recipient water bodies, vandalism, occurrence of torrent streams in the Outskirts of BSS, large scale erosion of soil, etc.