ergo17_MMH - Safety and Ergonomics Spring 2010/ 2011 1...

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Unformatted text preview: Safety and Ergonomics Spring 2010/ 2011 1 Safety and Ergonomics Manual Material Handling Spring 2010/ 2011 2 Manual Handling ¡ One of the most frequent and most severe causes of injuries in the world ¡ Strains hand(s), arms, shoulders and back ¢ Tension, bending, twisting ¡ Manual handling could be ¢ Lifting and lowering ¢ Pulling and pushing ¢ carrying Safety and Ergonomics Spring 2010/ 2011 2 Spring 2010/ 2011 3 Manual Material Handling ¡ Assessment methods ¢ Biomechanical assessment ¢ Medical assessment ¢ Physiological assessment ¢ Psychophysical assessment ¡ Limitation in capability Æ MMH ¢ Central limitations; circulatory, respiratory and metabolic system ¢ Local limitations; joint mobility, muscular strength, and responses of spinal column and connective tissues Spring 2010/ 2011 4 Ergonomic Design for handling ¡ Facility layout ¢ Process vs. product layout Æ Minimize required handling Æ Minimize possible sources of injuries Æ Minimize travel time ¡ Working environment ¢ Visual environment ¢ Thermal environment ¢ Housekeeping ¢ Sound Safety and Ergonomics Spring 2010/ 2011 3 Spring 2010/ 2011 5 Ergonomic Design for handling ¡ Work equipment ¢ Equipment for assistance ¡ Turntables ¢ Transportation equipment ¡ Overhead crane, truck ¡ Ergonomic design of equipment ¢ Ease of use ¢ Safe ¢ Design for range not average person ¢ Suggest design requirement !!!! Spring 2010/ 2011 6 Ergonomic Design for handling ¡ Limits for Lifting and Lowering ¢ National Institute for Occupational Health and Safety (NIOSH) established threshold for lifting ¡ 1981 Æ action limit ( AL ) based on start height, length of upward path, distance in front of the body, and frequency of the body....
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ergo17_MMH - Safety and Ergonomics Spring 2010/ 2011 1...

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