Aplicação da técnica de análise preliminar de risco (APR) para avaliação de risco no trabalho de Tunnel Liner

Abstract

This study aimed to develop a standard PRA - Preliminary Risk Analysis to assist the work of construction of tunnel liner, specific to the one being conducted on BR 277 – having as direct beneficiary the public exposed to such unhealthy situations. Through field research were investigated stages of the work, the main difficulties, dangers and risks of practicing it during the assembly of the tunnel liner, thereby was elaborated the PRA. The systemic view was fundamental to the understanding of all aspects related to occupational health and environmental safety. Environmental factors were identified as: physical, chemical, biological, psychological, cultural and social issues that are directly related to the health and welfare of workers. It can be concluded that this proposal helps to identify risks, thus enabling a coherent diagnosis associated with company’s risks. Application of PRA in the assembly of a tunnel liner is important, because were identified risk of accidents, classified as substantial and moderated.