Desenvolvimento e avaliação de um conjunto de indicadores para representação do sistema de drenagem urbana

Abstract

The Urban Drainage Master Plan and the Urban Development Master Plan are important urban management tools that must seek social well-being in balance with the precipitated water. One of the difficulties in the treatment of urban drainage is related to the diagnosis of the existing system, so it is important to define objective criteria to evaluate drainage systems that incorporate the multidisciplinary nature of this service. This paper presents a systematic and objective methodology that describes the situation of the urban drainage system through a set of 44 indicators was defined, grouped in 9 fields of analysis, with standardized formulations that allows the temporal interpretation of the situation and also the comparison with other basins. The indicators should consider, in addition to network characteristics, aspects related to water quality, population affected in an event, frequency and magnitude of flood events, management aspects, incentive to use water management techniques (such as compensatory techniques), among others. This set was developed as a tool to assist the management of urban systems offering bases for investment decisions.