Influência do período de projeto sobre o retorno financeiro associado aos custos de implantação de uma rodovia

Abstract

The need for an efficient transport infrastructure so that economically, Brazil and the state of Rio Grande do Sul, can compete with their competitors, justifies the expansion of their road network. Among the highways that present this need, there is RSC-287, responsible for linking the cities of Santa Maria and region with the capital Porto Alegre and which is part of the RS State concession plan and its duplication is part of the scope of the future dealership. With this in mind, the study aimed to economically identify the best structural alternative for duplication, taking into account a project period of 30 years, and thus determining the influence that the project period has on the financial returns. Thus, road structures were developed through the DNER Method and the MeDiNa program for further economic comparison of the results found. It turned out to be the best alternative for duplicating RSC-287, a 6-year-old Polymer Modified AC highway, receiving reinforcements every 6 years until the project period is completed. In addition, it was found that the implementation of Asphalt Concrete is the most costly stage of the project, representing more than 60% of the direct costs of the work, and it was found that the major responsible for the high cost of this stage are the asphalt binders used. Finally, it can be concluded that, for the assumptions adopted in this study, the DNER Method is outdated because it dimensions structures does not meet the design period.