PROJETO DE CAPTAÇÃO E APROVEITAMENTO DE ÁGUA PLUVIAL PARA UM CONDOMÍNIO RESIDENCIAL MULTIFAMILIAR VERTICAL NA CIDADE DE VARGINHA – MG

Abstract

The use of rainwater is a way to minimize the consumption of drinking water, reduction of financial expenses, reduction in flood rates and in certain places, solution to combat water scarcity. In view of this context, the main objective of this work was to analyze the viability of the implantation of the possible rainwater utilization system for the Portal Jardim do Sol I condominium in Varginha-MG. The beginning was done through bibliographical research to acquire the theoretical concepts necessary for the development of the project. After that, we set out to collect data on the condominium, estimate the hydrological potential of the project, the capacity to collect rainwater through the roofs, visits to the site, interviews with employees and meetings with the current condominium manager for a more detailed analysis. The real situation of the co-ownership. After analyzing the results, it was necessary to rethink the final destination of the collected rainwater, disregarding the use of rainwater collected in sanitary discharges due to the difficulty and inconvenience that the works for the implantation of a new building pipe could cause to the residents. Studies and calculations were developed to make it possible to reach a volume of reservoir that would be feasible for the available areas of the condominium. Based on all theory acquired and data obtained it is possible to verify that the system can be viable for the condominium Portal Jardim do Sol I that has 6.646,58 m² of catchment area counting the 19 towers of the development, being able to generate an average monthly volume of rainwater of 715.615,11 liters, being sufficient to supply the estimated demand of water consumption for non-potable purposes that is 449,988.50 liters. At the end, possible solutions were discussed for the implementation of the system, taking into account the dimensions and possible locations for the reservoirs and lifting systems. Opening a space for the project sizing and a future research to calculate the reach of the economical financial feasibility of the implantation of the system.