Penelitian dilaksanakan di Instalasi Kamar Bedah RS Husada tanggal 11- 17 Desember 2012. Penelitian yang dilakukan merupakan penelitian deskriptif kuantitatif-kualitataif, analisa data kuantitatif dengan menggunakan metode Time and motion study, dimana aktifitas perawat bedah diteliti pada kegiatan perioperatif, serta kegiatan diluar operasi. Kemudian dengan menggunakan metode Formula Unit Ruang Bedah dihitung jumlah kebutuhan perawat bedah berdasarkan beban kerja. Penelititan kuatitatif dengan wawancara mendalam mengenai kompetensi yaitu pengetahuan, ketrampilan, dan sikap perawat bedah, kepada 3 responden yaitu Kepala Bagian Bedah, Kepala Perawat, dan perawat bedah di Instalasi Kamar Bedah untuk mengetahui jumlah kebutuhan berdasarkan kompetensi perawat bedah.

Research was conducted at the Hospital Surgery Room Installation Husada on 11 to 17 December 2012. Research conducted a quantitative-qualitative descriptive research, quantitative data analysis using the Time and motion study, which investigated the activities of a surgical nurse perioperative events and activities outside of surgery. Then using the Formula Unit Ruang Bedah calculated amount need based surgical nurse workload. Qualitative research in-depth interviews about the competence of the knowledge, skills, and attitudes of surgical nurses, to the third respondent, Head of Department of Surgery, Head Nurse Installation, and surgical nurse at Surgical Room Installation.