ANALISA BEBAN KERJA MENTAL DAN FISIK OPERATOR HD KOMATSU 785-7 (STUDI KASUS PT.SIMS JAYA KALTIM)

Abstract

PT. Sims Jaya Kaltim is one of the leading companies in the mining service contracting sector that focuses on the transportation of Overburden (OB) material. HD Komatsu 785-7 operator is in charge of transporting material from disposal to dumping. Measurement of physical workload using the% CVL (cardiovascular load) measurement method for 6 days by measuring heart rate at work and at rest using a pulse oxymeter then calculated using the% CVL formula. Measurement of mental workload using the NASA-Task Load Index method by distributing questionnaires to 30 operators of HD Komatsu 785-7. Measurements were taken for 6 working days. The measurement is divided into 3 teams, one team consists of 10 operators. Based on the results of the measurements that have been made, the mean value of% CVL with an overall average of 17.00% means that the operator does not experience physical fatigue because <30% is included in the mild category. The resulting load with an overall average of 66.60 which is included in the high work class (61-80) which means it requires special attention. Recommendations Recommendations for repairs are given by random activities, controlling the filling of the KKH, controlling roads, and controlling dust.