Evaluation of Work Station and Working Posture on Welding Section Review of Ergonomic Factors in Metal SME Road Court Medan

Abstract

Various risks influencing worker’s life must be anticipated by synchronizing the worker, work process, and work environment through ergonomic approach. This study aims at evaluating the synchronization between workstation and work posture and recommending the improvement of workstation and facilities in the attempt to minimize the complaint of pain caused by their working. The evaluation was conducted by means of survey method at the UKM Logam (a small business in metal industrial construction) on jalan Mahkamah Medan with the samples of 10 workers working in the welding section. The taking of worker’s anthropometric is an indicator in evaluating the synchronization between workers and workstation which is supported by observing result of study reveals that there is no work facility in the welding section that the workers do not feel comfortable while working. In addition, the work posture including work attitude is not ergonomically formed that it makes several parts of the worker’s body tired and painful. In the body map questioners, the pain felt by the workers is dominantly found in the area of neck, shoulder, back, waist and calves. For this purpose, the workstation needs improvement by setting the position of equipment and machine within the worker’s reach, 75.6 cm (5-th percentile). The bench work should be adjustable to the height of 92 cm, 95 cm, and 98 cm. The stool (dengklek) should have the height of 14 cm.