Noise Level Assessment And Control Measures In Metal Stamping And Fabrication Industry

Sylvester, Chong (2013) Noise Level Assessment And Control Measures In Metal Stamping And Fabrication Industry. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research is about the noise level assessment and control measures in a metal stamping and fabrication industry. High level of noise has been recognized as a potential hazard to the operators. An excessive of noise level in the metal stamping industry can contribute to poor occupational health such as noise-induced hearing loss, decrease the performance, and psychological effects among the operators. The objectives of this study are to identify workstations that produce noise, assess the noise level, and design a control measures to reduce noise exposure in metal stamping and fabrication industry. A workplace observation was conducted to identify the workstations that produce noise. Technical measurement associated with Extech sound level meter was applied to measure the noise level. Redesign the workstation layout and noise insulator were proposed to the metal stamping machines to reduce the noise exposure. Based on the workplace observation, this study concluded that all metal stamping machines available in the company have exceeded the permissible limit (90dB). Furthermore, a noise mapping was illustrated and plotted by using CATIA drawing software. Through the noise mapping, this study has generated distribution of noise level at different workstations. The study has designed a noise insulator and it is effective to reduce the noise level of 10 dB. Additionally, the operators can use personal protective equipment PPE as an alternative solution to reduce the hearing loss. This study suggests that real implementation of the proposed designed should be applied to the metal stamping workstation.

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