Safety and risk categories of water reservoir hydrosystems

Abstract

The article provides an analysis of accidents and their main causes in existing reservoir hydro-systems in the world. Besides, the article presents the diagram for accident causes in reservoirs. Risk category assessment is given for Langar, Kizilsuv and Kalkamaflood-reservoirs. According to available data from the Congress on large dams, currently there are no regulations on risk assessment for water reservoir hydro-systems in Uzbekistan. In addition, major security challenges and recommendations are presented to improve the operation of water reservoir hydro-systems.