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Advisor(s)
Abstract(s)
Diante da imperativa necessidade global de universalizar o acesso ao saneamento básico, a formulação de parâmetros relativos à concepção e desenvolvimento de sistemas públicos de drenagem de águas residuais emerge como um elemento fundamental na implementação de redes economicamente mais viáveis, contudo, mantendo a eficácia dos sistemas.
Nesse contexto, o propósito desta pesquisa foi analisar os distintos parâmetros adotados nas diretrizes normativas de Portugal e Brasil. A análise não se restringiu aos parâmetros técnicos estipulados nas normativas de ambos os países, mas estendeu-se a uma avaliação prática em um loteamento urbano situado numa cidade do Nordeste de Portugal. Isso envolveu a análise dos parâmetros relacionados ao dimensionamento hidráulico e à implementação dos sistemas dimensionados utilizando diferentes critérios.
Como resultado, observa-se que o dimensionamento do sistema utilizando os parâmetros estipulados pelas normas brasileiras, fazendo uso de uma tubulação de diâmetro de 125 mm para os coletores, revela-se economicamente mais vantajoso, apresentando um custo total de implantação de 17.932,94 EUR + IVA, o que equivale em reais brasileiros a 96.400,03 + IVA.
Em contrapartida, o regulamento português adota parâmetros de dimensionamento mais conservadores, considerando como mínimo o diâmetro de 200 mm para os coletores, resultando em um custo relativamente mais elevado. O custo de implantação do sistema dimensionado de acordo com o regulamento português totalizou 19.241,26 + IVA, em euros, e 103.433,01 + IVA, em reais brasileiros.
Consequentemente, conclui-se que a adoção de parâmetros mais conservadores, embora resulte em sistemas mais robustos e resilientes a situações adversas e futuras, acarreta custos relativamente mais elevados, dificultando a implantação desse tipo de estrutura em áreas onde tais sistemas são escassos ou inexistentes.
In the face of the imperative global need to universalize access to basic sanitation, the formulation of parameters related to the design and development of public wastewater drainage systems emerges as a fundamental element in implementing economically more viable networks, while maintaining the effectiveness of the systems. In this context, the purpose of this research was to analyze the distinct parameters adopted in the regulatory guidelines of Portugal and Brazil. The analysis was not limited to the technical parameters stipulated in the regulations of both countries but also extended to a practical evaluation in an urban development located in a city in Northeast Portugal. This involved the analysis of parameters related to hydraulic sizing and the implementation of sized systems using different criteria. As a result, it is observed that sizing the system using parameters stipulated by Brazilian standards, using a pipe with a diameter of 125 mm for the collectors, proves to be economically more advantageous, with a total implementation cost of EUR 17,932.94 + VAT, equivalent to BRL 96,400.03 + VAT. In contrast, the Portuguese regulation adopts more conservative sizing parameters, considering a minimum diameter of 200 mm for the collectors, resulting in a relatively higher cost. The implementation cost of the system sized according to Portuguese regulations totaled EUR 19,241.26 + VAT, in euros, and BRL 103,433.01 + VAT, in Brazilian reais. Consequently, it is concluded that the adoption of more conservative parameters, although resulting in more robust and resilient systems to adverse and future situations, entails relatively higher costs, hindering the implementation of such structures in areas where such systems are scarce or nonexistent.
In the face of the imperative global need to universalize access to basic sanitation, the formulation of parameters related to the design and development of public wastewater drainage systems emerges as a fundamental element in implementing economically more viable networks, while maintaining the effectiveness of the systems. In this context, the purpose of this research was to analyze the distinct parameters adopted in the regulatory guidelines of Portugal and Brazil. The analysis was not limited to the technical parameters stipulated in the regulations of both countries but also extended to a practical evaluation in an urban development located in a city in Northeast Portugal. This involved the analysis of parameters related to hydraulic sizing and the implementation of sized systems using different criteria. As a result, it is observed that sizing the system using parameters stipulated by Brazilian standards, using a pipe with a diameter of 125 mm for the collectors, proves to be economically more advantageous, with a total implementation cost of EUR 17,932.94 + VAT, equivalent to BRL 96,400.03 + VAT. In contrast, the Portuguese regulation adopts more conservative sizing parameters, considering a minimum diameter of 200 mm for the collectors, resulting in a relatively higher cost. The implementation cost of the system sized according to Portuguese regulations totaled EUR 19,241.26 + VAT, in euros, and BRL 103,433.01 + VAT, in Brazilian reais. Consequently, it is concluded that the adoption of more conservative parameters, although resulting in more robust and resilient systems to adverse and future situations, entails relatively higher costs, hindering the implementation of such structures in areas where such systems are scarce or nonexistent.
Description
Mestrado de dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná
Keywords
Sistemas públicos de drenagem de águas residuais Regulamento português Normas brasileiras