Ergonomic risk and work load analysis on material handling of PT. XYZ

Abstract

Abstract In Indonesia, some industries do manual work using human labor. Among other things is the process of raw materials handling. Likewise, this happened to PT XYZ, which has not used a tool in the material handling process. The material are steel plates and wood plates. This study aims to determine the physical complaints felt by workers, determine the workload classification, and analyze the work posture of workers. In accordance with the results of the Nordic Body Map questionnaire, there are complaints from workers, especially pain in the upper neck, pain in the left and right shoulder, pain in the left upper and right upper arm, backpain, low back pain, left and right forearm pain, left-right wrist pain, and right and left hand pain. Based on Rapid Entire Body Assessment (REBA) and Workplace Ergonomic Risk Assessment (WERA) analysis, all activities of carrying steel plates and wood plates are categorized as medium. Based on Ovako Working Posture Analysis System (OWAS), the elements of work that require immediate action are Taking Plate (Wood) and Carrying the Plate (Wood). The results of the calculation of energy consumption obtained by 5.94 kcal / minute and categorized as work heavy / heavy work (5.0 - 7.5 kcal / minute). Workers carr plates with a weight of 30 to 42 kg, while according to NIOSH Equation and Snook Table analysis the maximum load is 14.06 kg, so this is far beyond and dangerous.