Estudo comparativo de viabilidade técnica e econômica de tubulação (PVC, PPR e PEX) utilizados em instalações prediais de água fria

Abstract

Civil Engineering is inserted in a context of constant evolution, resulting in incessant searches for innovations in the field. Therefore, these optimizations aim to enable improvements in construction processes, with the aim of providing low cost, comfort and durability to the final result. Among the various areas of civil construction, cold water installations can be highlighted as a key sector inherent to the proper functioning of buildings. In this scenario, there is a need to apply materials that aim to minimize costs, as well as enable more modern and practical installations in these systems. Therefore, the present work addresses a comparative study of technical and economic feasibility between the three materials most used in these systems, Polyvinyl Chloride (PVC), Polypropylene Random Copolymer (PPR) and Cross-linked Polyethylene (PEX). To this end, a bibliographical review was carried out on the materials cited, addressing their characteristics and historical context. Furthermore, a comparative case study was carried out applied to a single-family residence in the city of Vitória da Conquista, based on the determinations of the Brazilian Association of Technical Standards (ABNT) by Brazilian Standard (NBR) 5626. These analyzes made it possible to compile data on performance, cost and installation of each system, therefore highlighting the importance of studies on new technologies that permeate civil construction.