Noise and Vibration Hazards

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Noise and vibration hazards causes , prevention etc

Text of Noise and Vibration Hazards

  • 1. Title Noise and Vibration Hazards Group members: Mian Salman Zafar(C# 25) Asif Khan(C# 26) Muhammad Ayyaz(C# 27) Haroon Khan(C# 28)

2. Introduction Sound is any change in pressure that can be detected by the ear. Noise is defined as unwanted sound. Vibration is to and fro motion of a body, non audible and is perceived through the sense of touch. 3. Types of noise Industrial noise is classified as: I. Narrow band noise II. Wide band noise III. Impulse noise 4. Hazards of noise Hearing loss Distraction of workers Quickened pulse Increase blood pressure Constriction of blood vessels 5. Noise control strategies Engineering controls:(Reduce the sound level) Maintenance Substitution of machines Reduction of sound transmission through solids Reduction of driving force of vibrating surfaces Administrative control:(Reduction of exposure of employees to noise) 6. Vibration hazards Motion sickness Spinal injuries HAV Prevention Use of low vibration tools Limit employee exposure Employee work habits