VIABILIDADE TÉCNICA DE SISTEMA PREDIAL DE ÁGUA FRIA COM USO DE PEX E PVC: ESTUDO DE CASO EM BANHEIROS DA UNIVERSIDADE DO ESTADO DE SANTA CATARINA

Abstract

The objective of this research is to evaluate the technical feasibility and compared the budget for using PEX in the bathrooms of the State University of Santa Cataria, adopting its point-to-point installation, with the use of the Manifold distributor to minimize load losses and connections used. The hydraulic design for the PEX was developed in the AutoCAD program, the existing PVC project was provided through the UDESC construction sector. Both systems were designed according to their respective current standards, bibliographic references and technical manuals. Finally, the main factors for choosing a material for building cold water systems were evaluated, including their technical performance, cost and installation time. Pressures at consumption points in the PEX system were higher in 85.5% of cases, compared to PVC, for an equivalent upstream pressure. However, the cost of the PEX system was 71.5% higher than that of PVC. despite the improvement in hydraulic performance, the point-to-point installation of PEX did not prove viable for the bathrooms in blocks F, K and L of the UDESC campus in Joinville.