Analysis of the Efficiency of Auditory Protectors used in the Civil Construction industry in the City of Manaus in Brazil

The construction sector provides occupational risks to construction workers at the building site. Despite the obligation of the use Individual Protection Equipment (IPE), the noise is one of the occupational risks, which persist as one of the most injury to workers. The causes may be inherent in the control, but also the inappropriate choice of the methods of implantation of hearing protectors as an individual control measure. This paper aims to analyze the efficiency of hearing protectors, taking into account the octave band spectrum at the sound pressure levels of the main equipment used in the civil construction sector in the city of Manaus in Brazil, following the limits defined in the Brazilian standard.