Detecção e correção automáticas de interferências entre redes de saneamento utilizando Software Bim

Abstract

The technology Building Information Modeling (BIM) stands out for improving the usual model for projects in several aspects so that brings it closer to reality. In the sanitation sector – which includes water supply, sewage collection, transportation and treatment, stormwater structures and waste collection, treatment and disposal – which is lagging behind in the broad adoption of BIM when compared to others construction sectors, due to several factors as the initial interpretation that the format would be more easily applied to building construction that have repetitive elements, as multi story buildings, for example. One of BIM tools that may be broadly used is clash detection. Clashes between sanitation networks happen because those systems share the same space under the street pavement. If they are not predict in project phase, theses clashes bring several problems in the execution, which in most cases leads to inadequate solutions. In the present work was proposed the usage of a consolidated dimensioning tool for water supply networks, sewage network and urban stormwater, UFC system, in association to a free BIM software, FreeCAD, in order to perform clash detection and correction between those networks. For this purpose, programs were developed in Python to obtain the BIM models of networks previously calculated, as well as to clash detection and correction. The results showed the efficiency of using these tools. The most clashes happen between sewage and stormwater networks, and if is possible to vertically move stormwater network it would be the most efficient way to remedy the interferences. The results showed the efficiency of using these tools. It was noticed that most part of the interferences happen between sewage and stormwater networks, and if is possible to vertically move stormwater network, it would be the most efficient way to remedy the interferences. Finally, it is emphasized that In order to use the interference check in the most diverse cases, it is necessary to have an adequate record of the existing networks and it is also necessary to pay attention to other infrastructure networks that can divide the underground space, such as the electricity supply network and telephone or internet cabling.