Inter-relação das atividades operacionais cotidianas com os processos de manutenção preventiva e corretiva em redes coletoras de esgoto sanitário

Abstract

Maintenance is essential to the correct functioning of any system. In the sewage system, this also applies, as it has several processes, starting with the collection of effluents produced by the population of a certain city, the conduction of this effluent to a treatment plant, the treatment process, and the destination of the effluents, treated to a receiving water body. As the maintenance carried out correctly is an important process in an efficient system, this work seeks to evaluate through a case study, the interrelation of failures that occurred in sewage collection networks with the execution of preventive and corrective maintenance. For this, the Pareto diagram was applied to identify the points of greatest significance in the operations and / or maintenance processes in the sanitary sewage system in the municipality of Toledo, located in the western region of the state of Paraná. The results found show that when there is an elaborate plan of preventive actions, the amount of corrective maintenance carried out is less. They also indicate that most corrective executions are caused by a small group of causes.