Ergonomic Analysis Using Rapid Upper Limb Assessment (RULA) Methode on Laundry Workers

Abstract

Laundry is an informal business with characteristics fixed working hours, unspecific education, and a certain salary. Working time on laundry have characteristics in monotonous and repetitive. Almost all of laundry environment does not meets the requirements. Activities in the laundry process are at least six working stages, ie sorting, washing, drying, ironing and packing. On the sixth of these activities often carried out with improper position. This study aims to provide data or information to the government, employers and workers regarding ergonomics evaluation of the laundry. This research was conducted with the observation method using a questionnaire. Measuring instruments used in this study is the RULA, REBA and OWAS. Based on the work postures RULA scores drying unit in the category 6, which is the unit washing, ironing and packaging are included in category 4, which required further investigation and necessary improvements immediately. The reception unit was in the category 2, which is still safe and not necessary for investigations. Based on work posture REBA score with a high risk was in the drying and ironing unit. Work posture with the high risk was found in the washing unit and packaging. While safe working posture or no risk found on the receiption. Based OWAS scores, almost all units still in category 1, the working posture does not cause health problems and unnecessary correction. In the ironing unit, working posture showed that although not pose a risk, but still needed improvement. Based on Nordic Score. The workers had musculoskeletal complaints on the right shoulder, left shoulder, right knee and left knee. Based on the research results it could be advised that it need improvement or redesign of work stations. In addition, it is recommended that the government should conduct surveillance on workers to prevent musculoskeletal laundry.