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Mental workload of central control rooms (CCR) operators: A case of cement plant
Bakri I.
Aip Conference Proceedings
Abstract
Central Control Room (CCR) is one of the work units in a cement factory company. CCR operators record the operation of production machines for 24 hours non-stop in three work shifts. CCR mental operator workload needs to be measured because it requires precise timing, vigilance, and is required to be able to make decisions quickly. This study aims to analyze the workload of CCR operators in a production line of a cement factory. Twelve raw mill, kiln, and finish mill operators participated and their mental workload was measured using the NASA-Task Load Index (NASA-TLX) and Fault Tree Analysis (FTA) methods. The measurement results show that the mental workload of the CCR operators ranges from a scale of 72 (high ministerial workload) to 90 (very high mental workload). This study recommends providing competency training, adding facilities, improving the maintenance system, redefining job requirements, compensation and career development patterns as an effort to reduce the mental operator's workload.