Navegando por Autor "SILVA, Valdinei Mendes da"

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Acesso aberto (Open Access)
Fundamentos para o gerenciamento integrado dos recursos hídricos na microbacia urbana do rio Maguari-Açu com vistas à sustentabilidade hidroambiental
(Universidade Federal do Pará, 2012-08-24) SILVA, Valdinei Mendes da; ABREU, Francisco de Assis Matos de; http://lattes.cnpq.br/9626349043103626
The city of Ananindeua, as part of the Belém Metropolitan Region - BMR, has received the negative impacts resulting from the disorderly occupation of territorial space. The natural conditions of the region have been ignored in this process of urban settlement, which is verified by analyzing the current status of surface and underground water resources, which are being rapidly degraded, because of the lack of interventions, that are primarily that guarantee government control of these impacts or the implementation of actions merely reproduce historical actions without success. The analysis of socioeconomic and hydro-environmental conditions demonstrated the hydro unsustainability of this region, as well as the existence of the various conflicts that refers specifically to water resources. In order to counter this situation, are presented basis for the integrated management of water resources in the urban watershed of the river "Maguari-Acu," which seek to reach this sustainability. Such basis were structured in five (05) actions: 1) Division of BMR in six (6) river basin, 2) Environmental zoning in River Basin of Maguari-Açu, 3) Management of soil sealing and runoff, 4) Strategies of social organization for the management of urban watersheds and 5) management of information from the integrated data base. To support such basis, future scenarios were developed, anchored in the legal framework and the existing technological apparatus, instruments sufficient for integrated actions between the government and society in general, making it possible to undertake the processing needed for the construction or reconstruction of cities from principles of sustainability.
Acesso aberto (Open Access)
Plano diretor setorial do sistema de esgotamento sanitário: alternativas de concepção para a área de maior adensamento populacional do município de Belém - PA
(Universidade Federal do Pará, 2005) SILVA, Valdinei Mendes da; PEREIRA, José Almir Rodrigues; http://lattes.cnpq.br/9918600634569244
In this work are proposed conceptions to support the expansion planning of the collecting system, treatment and final disposal of sewer in Belém City, more specifically in the area which has the larger population density (1,143,946 inhabitants) and low Sanitary Sewer System (SSS) assistance rate. For that, actions in order to expand this infra-structure are necessary and it must occur in sustainable, efficient, planned and integrated ways. In the work are analyzed studies and projects already carried out on the planning area. Firstly, it was made a diagnostic of the SSS existent. Then it was elaborated the population projection on the period from 2005 to 2025 and calculated the sewer demand for the next 20 years. Finally, with these data, it was formulated the conception alternatives. The 6 (six) conception alternatives are based on SSS progressive decentralization showing variations concerning the number of Sewer Treatment Stations (STP), collection and transposition features of sanitary sewer among the sewerage system basins and the location of the STSs. The alternative 3 (three) was the best one because it presents sewer treatment closer to its source. The work intends to contribute towards taking decisions in order to expand the SSS in Belém City.