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Hasil penelitian didapatkan prevalensi operator yang mengalami fatigue ringan 80,4% dan fatigue sedang sebanyak 19,6%. Variabel lama jam kerja, kondisi fisik/kesehatan, waktu tidur dan shift kerja merupakan variabel yang berhubungan dengan kejadian fatigue pada analisis bivariat sedangkan variabel yang paling berpengaruh pada kejadian fatigue adalah variabel shift kerja dimana shift kerja merupakan satu-satunya variabel yang berhubungan dengan fatigue pada analisis multivariat. Responden yang bekerja shift malam mempunyai peluang 11,046 kali dibandingkan dengan responden yang bekerja shift siang.
Kata kunci : fatigue, shift kerja, kondisi fisik/kesehatan, jam kerja, waktu tidur
Fatigue is the one problem faced by company related to occupational health and safety issues, mainly in company which applies shift work system. The porpuse of the research is to figure out of fatigue prevalence in geothermal power plant operator and risk factors related to fatigue that make its occurence. The design of this study uses cross sectional method, where the datas collect by using questionnarie of international fatigue research committee (IFRC), field observation, operational data and direct measurement. There are many factors which are associated with fatigue. But in this study, there are 11 variables that is taken. They are: age, body mass index, monotonous, working hours, sleep hours, physical/health condition, shift work, work load, lighthing, temperature and noise.
The result of study shows the prevalence of operator that is light fatigue 80,4% and medium fatigue 19,6%. The variable independent which is related to fatigue are working hours, physical/health condition, sleep hours and shift work (the result from analysis bivariate). In multivariate analysis the variable that is significant influencing of fatigue occurence is shift work with the odd ratio 11,04. It means the workers who work on night shift has opportunity to being fatigue 11,045 times compare to workers who work on day shift.
Key Word : fatigue, shift work, working hours, physical/health condition, sleep hours.
Pembangkit lislrik panas bumi berkembang pesat pada saat ini, karena merupakan salah satu sumber energi pengganti selain migas. PT XYZ dalam hal ini juga ikut berperan aktif dalam tahapan engineering, procurement, konstruksi industry energi PLTP ini. Dalam kegiatan konstruksi tersebut PT XYZ mempunyai potensi keuntungan maupun resiko kerugian terhadap kegiatan ini. Pada 5 tahun terakhir ini PT XYZ mengalami kerugian akibat kecelakaan pada tahapan commissioning, meskipun hal ini sudah diasuransikan, antara lain data kecelakaan sebagai berikut : a. Kerusakan Furnish pada saat commissioning di proyek Blue Sky Refenery pada tahun 2005 b. Bocomya Reaklor Urea pada saat commissioning di proyek Kujang I B di tahun 2005. c. Pada proyek PLTP Kamojang- 4 terjadi kerusakan pada separator dan pipe line pada tahapan kegiatan commissioning pada tahnn 2007, Dalarn hal iui resiko perusabaau unruk mendapat potensi kerugian dari kegitan commissioning ini cukup besar, jika dilihat darl pengalaman proyek-proyek sebelumnya tahapan commissioning menyumbang banyak kecelakaan yang menimbulkan potensi kerugian pada peruaahaan, meskipun dalam hal ini proteksi kesehatan dan keselamatan kerja melalui process safety management sudah dilakukan. Oleh karena itu perlu dilakukan evalusi terhadap process safety management yang digunakan sebagai proteksi terhadap hazards/bahaya-bebeya yang ada pada kegiatan commissioning ini. Secara umum tujuan penelitian ini adalah untuk mengetahui seberapa besar tingkat efektivitas proteksi K3 yang dilakukan untuk menoegah kerugian perusahaan pada tahapan kegiatan commissioning pipa sags pada pembangunan PLTP.
Geothermal power energy rapidly grow in this time because as one of energy source substitution besides oil and the reserve gas is progressively attenuate. PT XYZ in this case also contribute is active in industrial construction of this geothermal power energy. In the activity of construction, PT XYZ have loss risk and also advantage potency to this activity. At 5 the last year PT XYZ experience loss of accident effect at step commissioning, though this thing have been insured, for example accident data as follows : 1. Damage of Funish at commissioning in project of Blue Sky Refenery in 2005 th 2. Damage of area Reactor at commissioning in project ujang I B in 2005 th 3. At project of PLTP Kamojang - 4 happened damage at separator and pipe line atstep of commissioning activities in the year 2007th. Therefore require to be done by evaluation to protection system process safety management (K3) which applied as protection to Hazards on the this commissioning activity. In general purpose of research is to how know big level of protection effectiveness process safety management (K3) which done to prevent loss of company at phases of pipe sags commissioning activities at geothermal power energy development.
Geothermal industry is a producer of natural gas including hydrogen sulfide gas (H 2 S) which is very dangerous to humans. This thesis will analyze the hazard risk perceptions of hydrogen sulfide gas (H 2 S) to local workers in the geothermal field of PT. XYZ in 2020. Risk perception is a subjective assessment of the following things, such as the likely types of an accident, the potential hazards that will occur, and how much a person is concerned about the consequences. This study uses a psychometric paradigm which is the best illustration to determine a person's risk perception where this approach can analyze risks by giving good and clear answers from each dimension, including the volunteerism dimension to risk, the dimension of understanding risk, the dimension of controlling risk, the dimension of knowledge towards risk as well as the newness dimension of risk. This study uses a cross-sectional design with a descriptive analysis method. Data obtained through a questionnaire with 90 respondents local workers who then analyzed using the univariate and bivariate analysis to determine the relationship between the dependent variable and the independent variable with a confidence level (CL) of 95%. The results of the analysis show that the description of the risk perception of Hydrogen Sulfide (H 2 S) gas for local workers in the geothermal field of PT. XYZ in 2020 is voluntary toward risk, have a good understanding and able to control of risk while does not have good knowledge especially about the science of hydrogen sulfide gas (H 2 S) and assume the risk of exposure to hydrogen sulfide gas (H 2 S) is an old risk. It is recommended for PT. XYZ to make promotive efforts such as more planned training of hydrogen sulfide gas (H 2 S), maximizing safety induction related to the hazard of hydrogen sulfide gas (H 2 S), maximizing toolbox meeting forums, weekly safety meetings and other meetings to increase workers' awareness regarding hazards Hydrogen Sulfide gas (H 2 S), makes an in-depth analysis of worker observations related to unsafe behavior and also increase the industrial hygiene programs.