Banca de DEFESA: CELINO JUVÊNCIO RIBEIRO PEREIRA JUNIOR

DETENTION BASINS AS A DRAINAGE ALTERNATIVE SUSTAINABLE FOR SURFACE RUN CONTROL AND CREATION OF GREEN AND LEISURE AREAS

Drainage. Water Management. Infrastructure. Sustainability. Urbanization

The increasing urbanization in the western zone of Boa Vista, Roraima, has exacerbated flooding and waterlogging issues, primarily due to soil impermeabilization and the lack of effective drainage infrastructure. This study examines the feasibility of implementing detention basins as a sustainable strategy to mitigate surface runoff and develop green and recreational spaces in the Monte Caburaí development. Detention basins, frequently utilized in densely populated urban areas, are structures designed to temporarily retain stormwater, attenuate peak flow rates, and reduce flood risks. The objective of this work is to assess the technical feasibility and socio-environmental benefits of installing these basins in the Monte Caburaí development, proposing guidelines for their incorporation into the urban planning of Boa Vista. To this end, a detailed analysis of the study area was conducted, considering topographic, geotechnical, and hydrological aspects. Established methods for basin sizing, such as the Rational Method and the PDDU Method of Curitiba, PR, were applied, considering the frequency and intensity of precipitation in the region. The results demonstrated that the detention basins designed for Monte Caburaí are technically viable and effective for flood management. Specifically, the basins in Caburaí I, which include a plaza with a jogging track and an open-air reservoir, and in Caburaí II, which features a sports court, were harmoniously integrated into the urban fabric. In addition to their role in flood prevention, these structures offer significant socioenvironmental benefits, such as the creation of recreational areas and the enhancement of residents' quality of life. The associated green spaces help reduce urban heat islands, promote biodiversity, and improve air quality. The study's final considerations recommend that the integration of these detention basins into the sustainable urban planning of Boa Vista follow guidelines that ensure pedestrian safety and compliance with environmental regulations. Furthermore, strict control of sediment and waste inflow is advised, as well as the careful selection of locations where the soil can support the presence of water without contamination risks. For future studies, it is suggested to deepen the investigation of the long-term socioenvironmental impacts of these basins and to conduct a comparative analysis of costs and technical performance in different cities across the Amazon region.