EVALUASI PENGARUH SHIFT KERJA TERHADAP BEBAN KERJA MENTAL OPERATOR DI BAGIAN HOT DIP GALVANIZE DENGAN METODE NASA-TLX DI PT. KARYA EMPAT PILAR (Studi kasus : Beban Kerja Mental Operator PT. Karya Empat Pilar)
Abstract
PT. Karya Empat Pilar of a subsidiary of PT. Kunango Jantan which is engaged in the Hot Dip Galvanize is a process of providing a protective zinc coating for iron and steel. The company is aims to protect from rust. PT. Karya Empat Pilar have two shifts of work, namely the shift in the morning and shift the night, where the shift early work start at 08.00 – 17.00 while the shift of night work startedat 17.00 - 02.00. The burden of work is one of the factors source of stress, where stress can lead to physical and psychological illness that can eventually interfere with the performance of employees. The purpose of this study was to determine the level of mental workload of the production department operator at the company PT. Karya Empat Pilar, to find out the factors that contribute to the mental workload of the operator, and to know the effects of the work shift on the mental workload of the operator. After doing the research the level of burden of work mentally operator with the NASA-TLX method has been obtained by shift work. The shifts in the morning with an average score of 76.25. Categorized load workplace mental being , and 83,00 to the mean average load of work mentally operator shift night were Categorized burden of work mentally Strenuous. Factors that contribute to the mental workload of the morning shift operator are Effort/Level of effort , and the night shift Mental Demand/Mental need . After testing the hypothesis. Which obtained the t-count of -14,40 which is smaller than the table of -2,262. It can be concluded that there is an influence of work shifts on the operator's mental workload.
Words key : NASA-TLX, Shift Work , Load Work Mental Effort, Mental Demand .
References
Adipradana, 2008, Analisis Beban Kerja.
Elton Mayo, U.S.A, 1993, Filosofi dan Sejarah Ergonomi.
F.B. Gilbreth, U.S.A, 1911, Filosofi dan Sejarah Ergonomi.
F.W. Taylor, U.S.A, 1898, Konsep Ergonomi dan Manajemen Modern.
Hancock, Peter A dan Meshkati, Najmedin, 1988, Human Mental Workload, North-Holland, Amsterdam, Netherland.
Hardianto, Yassierly, 2014, Ergonomi Suatu Pengantar.
Hart, S.G, dan Staveland, L.E, 1988, Development of NASA Task Load Index (TLX).
Henry R. Jex, 1998, Human Mental Workload.
Herianto, 2010, Beban Kerja Mental.
Iftikar Z. Sutalaksana, Ruhana Anggawisastra, John H.Tajraatmadja, 1979. Teknik Tata Cara Kerja.
Iridiastadi, Hardianto, Yassierli. 2014, Ergonomi Suatu Pengantar, Remaja Rosdakarya, Bandung.
Lazarus, 1992, Pengukuran Beban Kerja Mental.
Manuaba, 2000, Beban Kerja Fisik dan Beban Kerja Mental.
Menteri Pendayagunaan Aparatur Negara Nomor KEP/75/M.PAN/7/2004. Beban kerja.
Pheasant, S, 1991, Ergonomics Work and Health.
Pulat BM, David CA, 1991, Industrial Ergonomics.
Suhanto, 1999, Beban Kerja Psikis.
Susilowati, 1999, Analisis Beban Kerja Mental dengan menggunakan Metode NASA-TLX.
Tarwaka, 2004, Faktor-Faktor Yang Mempengaruhi Beban Kerja.
Usman. H, Akbar, R. P. 2009. PENGANTAR STATISTIKA, PT. Bumi Aksara, Jakarta.
Wignjosoebroto, Sritomo, 2003, Ergonomi Studi Gerak dan Waktu, Cetakan Ketiga Guna Widya, Jakarta.
Wijaya, dkk, 2013, Perbedaan Stres Kerja Ditinjau dari Shift Kerja. Jurnal Psikologi Industri dan Organisasi.
