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Evaluation of flood damage on buildings and calculation of recovery costs

This article describes a methodology for developing flooding damage curves (FDC) in the region of Barreiro, Belo Horizonte city (Minas Gerais State). A case study was conducted based on data of damages caused by the floods of 31 December 2008 and January 22, 2009 in that region. Although this theme has been widely investigated internationally, there are no studies evaluating the effect of flooding on buildings and the extent of the damage caused by water in Brazil. This research has used data from inspection surveys conducted on 62 buildings, in which the pathological manifestations caused by the floods were identified. The necessary repair measures were assessed and their costs estimated. The total costs for repairing those 62 homes were obtained by taking into account the depth of the floodwater, the type of building, and the indirect costs and profit margin. The curves indicate that, for middle-class building, the depth of the flooding does not have a significant impact on the cost of damages, while for lower middle-class and poor households it has a significant influence on the extent of the damage and, consequently, of repair costs.

Flooding; Damage; Buildings; Pathologies; Repair costs


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