AN EVALUATION OF ERGONOMIC IMPROVEMENTS FOR LIFTING AND HANDING OPERATIONS: A CASE STUDY OF A LOGISTICS SERVICE PROVIDER IN EASTERN SEABOARD INDUSTRIAL ESTATE, RAYONG PROVINCE

Abstract

The objective of this research therefore aims to use ergonomic principles to improve work posture. By assessing risks while working for production employees using ergonomic principles, Rapid Entire Body Assessment (REBA) collected data with a sample group of 8 production employees. The results of the study found that Current work postures carry ergonomic risks. Posture assessment using the REBA method, Position 1, bending to lift parts, equals 11 points, which translates to a very high-risk level. Should be improved immediately. Position 2, bending over to place parts, is equal to 11 points, which translates to a very high-risk level. Should be improved immediately. This research therefore changed the work posture and designed to use equipment to help reduce weight from direct workloads according to ergonomic principles. Using the Air Balance machine to help lift. The evaluation results after improving work found that the ergonomic risk Posture assessment using the REBA method. Position 1, bending to lift parts, equal to 4 points, interpreted as having a reduced risk level to moderate risk. Position 2, bending to place parts, equal to 3 points, interpreted as having a level of risk. The risk is reduced to a low risk and found that the results of production time Before improving posture for 45 minutes, after improving posture for 30 seconds, the duration decreased by 15 minutes, with a rate of reduction of 33 percent in terms of workload. There were 21 cases of workload before posture improvement. After 32 cases of posture improvement, workload increased by 9 cases, with an increase rate of 52 percent.