[Penelitian ini adalah tentang gejala stres kerja dan bahaya psikososial pada pekerja kontraktor proyek repairing tanki 31T5 yang berlokasi di PT. Pertamina (Persero) Refinery Unit IV Cilacap. Gejala stres kerja diukur menggunakan kuesioner dan ceklist mengenai keluhan-keluhan baik gejala fisik, emosi, dan perilaku yang merupakan gejala-gejala stres kerja. Sedangkan bahaya psikososial diukur dengan menggunakan kuesioner dan wawancara mengenai persepsi responden terhadap Context to Work dan Content of Work di tempat kerja. Metode penelitian ini adalah cross sectional dengan melalukan observasi/wawancara, checklist dan kuesioner untuk pengukuran gejala stres kerja dan bahaya psikososial. Hasil dari pengukuran menunjukkan bahwa adanya keluhan gejala fisik pada responden sebesar 40%, yaitu keluhan sakit kepala, gangguan tidur, dan kaku otot. Sedangkan responden tidak menunjukkan persepsi yang diduga buruk terhadap aspek Context to Work dan Content of Work.;This study is about work stress symptoms and psychosocial hazard to contractor worker tank 31T5 repairing project that located in PT. Pertamina (Persero) Refinery Unit IV Cilacap. Work stress symptoms was measured by questionnaire and checklist about physical symptoms , emotion, and behavior complaint. Psychosocial hazard was measure by questionnaire and interview about respondent perception with Context to Work and Content to Work in working area. The method of this study is cross sectional by doing observation/interview, checklist and work stress measuring and psychosocial hazard with questionnaire. Result of the measuring showing that complaints of physical symptoms on respondents by 40%, that complaint was fatigue, headache, indigestion, palpitations, sleep disorders, itching and sleepy. Then respondents did not indicate a bad perception of the aspects to Work Context and Content of Work.;This study is about work stress symptoms and psychosocial hazard to contractor worker tank 31T5 repairing project that located in PT. Pertamina (Persero) Refinery Unit IV Cilacap. Work stress symptoms was measured by questionnaire and checklist about physical symptoms , emotion, and behavior complaint. Psychosocial hazard was measure by questionnaire and interview about respondent perception with Context to Work and Content to Work in working area. The method of this study is cross sectional by doing observation/interview, checklist and work stress measuring and psychosocial hazard with questionnaire. Result of the measuring showing that complaints of physical symptoms on respondents by 40%, that complaint was fatigue, headache, indigestion, palpitations, sleep disorders, itching and sleepy. Then respondents did not indicate a bad perception of the aspects to Work Context and Content of Work., This study is about work stress symptoms and psychosocial hazard to contractor worker tank 31T5 repairing project that located in PT. Pertamina (Persero) Refinery Unit IV Cilacap. Work stress symptoms was measured by questionnaire and checklist about physical symptoms , emotion, and behavior complaint. Psychosocial hazard was measure by questionnaire and interview about respondent perception with Context to Work and Content to Work in working area. The method of this study is cross sectional by doing observation/interview, checklist and work stress measuring and psychosocial hazard with questionnaire. Result of the measuring showing that complaints of physical symptoms on respondents by 40%, that complaint was fatigue, headache, indigestion, palpitations, sleep disorders, itching and sleepy. Then respondents did not indicate a bad perception of the aspects to Work Context and Content of Work.]