Abstract
Open-plan office is a distraction to employee performance. According to a study by Cornell University, Ithaca, NY, working in a noisy office with ringtones, business conversations and office equipment sounds can lead to heart disease, because workplace noise causes stress. The paper focuses on noise analysis in an open-office work environment, the effect of noise on the selected operational position, as determined by standardized noise exposure LEX, 8h. Based on the results obtained, appropriate measures were proposed.