Gestão de riscos: análise preliminar de risco na remoção de tanques subterrâneos em postos de combustíveis

Abstract

The removal of tanks at fuel stations is requested by environmental agencies in the process of renewing operating licenses, as tanks can be a source of contamination to the environment. Environmental legislation indicates that tanks should be removed preventively when their useful life comes to an end and correctively when they are no longer watertight. This activity demands professionals from different areas and presents inherent risks for workers and other people who transit at the fuel station. Preliminary risk assessment becomes an effective tool for risk analysis and for the definition of the necessary measures to keep the site safe. This work preliminarily analyzed the risk of each stage of the removal of tanks at fuel stations, from the transport of professionals and equipment to the place, to the lifting of the tank, filling the pit and dispatching the tank to the final destination. After the analysis, a frequency and consequence value were determined to define the risk level and the critical points of each step. For each risk level, a safety measure was presented. It was observed that the isolation and the signaling of the area, the organization of the work space, the awareness of the workers and the use of the correct equipment for individual safety are essential for the development of the activity in a safe way.