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Research Article
 

Risk Assessment in Pharmaceutical Industry by Using Relative Stress Index (RSI)



M. Bararian , G.N. Saraji , M. Hosseini and J. Adl
 
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ABSTRACT

In recent years, ergonomic assessment of risk factors associated with musculoskeletal injuries has been widely performed in the workplace. Risk assessment methods can be categorized into two groups: Macro- and micro-ergonomic risk assessment. One of macro-ergonomic risk assessment methods is relative stress index which aim is identification and correction of jobs with high risk. In this technique multiple parameters such as frequency, duration, repetition, weight, force, travel distance and horizontal distance are taken into account in six categories. Then, by using tables, they are changed into codes and are put into identified formulas. The output is relative stress index for job, task or subtask. This technique has been performed in pharmaceutical industry. For performing this research, all jobs of production line of this industry have been observed and categorized into 11 job groups. Results show that 10 out of 11 jobs are in the green zone and one job is in the yellow zone. According to statistical tests, in two out of six categories of RSI, there is significant difference between averages of at least two jobs and there is no significant difference between other four categories of RSI. According to obtained results and work condition, following suggestions present: Performing micro-ergonomic risk assessment for categories of RSIs which are not in appropriate zone; decreasing of load weight and in result decreasing of used force by workers; elimination of performing jobs with high repetition by workers and trying to find a way for doing these works automatically.

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  How to cite this article:

M. Bararian , G.N. Saraji , M. Hosseini and J. Adl , 2006. Risk Assessment in Pharmaceutical Industry by Using Relative Stress Index (RSI) . Journal of Applied Sciences, 6: 2715-2723.

DOI: 10.3923/jas.2006.2715.2723

URL: https://scialert.net/abstract/?doi=jas.2006.2715.2723

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