Tinôco, Juliana DelgadoBarbosa Júnior, Edivaldo do Nascimento2022-06-092022-06-152022-06-092022-06-152019-06-14BARBOSA JÚNIOR, Edivaldo do Nascimento. Análise do potencial de aproveitamento de água pluvial em edifício comercial em Natal-RN. 2019. 22f. Trabalho de Conclusão de Curso (Graduação em Engenharia Civil) - Centro de Tecnologia, Universidade Federal do Rio Grande do Norte, Natal, 2019.https://repositorio.ufrn.br/handle/123456789/48214The accelerated population growth and intense industrial production demand an increasing volume of water to supply the innumerable human needs. This fact is one of the reasons that includes us in a scenario of water scarcity and floods. Given this situation, there is a worldwide concern regarding the preservation of water quality for the next generations. In this context, the use of rainwater appears as an interesting alternative to contribute with reduction of drinking water consumption, as well to mitigating the effects of floods. The present paper has the objective of analyzing, under the technical and financial aspects, the implementation of a rainwater harvesting system in a shopping mall located in a city of northeast Brazilian coast, taking into account the monthly consumption bills of the building, pluviometric historical series of 1964 to 2015, collection area and possibilities of using reserved water. The volume of the storage tank was defined through analysis of the water balance, considering the efficiency obtained by the Supply After Spillage (YAS) method, available space for allocation, system cost obtained through the software OrçaFascio and his respective pay back. The composition in which the recovery system is responsible for replacing 25% of the monthly demand of the building, with a tank of 600 m³, efficiency of 48.61%, construction cost of R$ 489.647,12 and a pay back of 2 years and 3 months was considered the most adequate, being sensible a reevaluation after qualitative analysis that will define the possible uses of stored water.Attribution 3.0 Brazilhttp://creativecommons.org/licenses/by/3.0/br/Água de chuvaSistema de aproveitamentoReservatório de armazenamentoAnálise de eficiênciaPeríodo de retornoRainwaterRainwater harvesting systemStorage tankEfficiency analysisPayback periodbachelorThesis