In order to prevent workers and any personnel on the job site from being in a work accident at the time of work, a safe working environment is created by experts and measures taken are called occupational safety measures. Occupational health and safety is a multi-disciplinary science and even a sudden omission can have serious consequences. As emerging technology, building, architecture, industrial facilities and engineering services create more complex site structures every day, the importance of occupational safety is increasing day by day. It is a precautionary chain that starts its job security from the employer and its employer representative, supervisor, engineer, field coordinator, foreman, and ends in the worker. Occupational accidents in recent years and unwanted incidents due to these accidents emphasize the importance of occupational safety measures. Occupational safety practices should be informative, educational, instructive and protective rather than repressive and authoritarian. In this meticulously studied field, life safety and health of the employees in the workplaces is at least as important as the material existence of the workplaces. Periodic checks and inspections of the employees should be carried out regularly, and should be followed up without negligence. Non-competent personnel should not be taken to unrelated fields and platforms for commercial earnings, even if necessary, the necessary training should be provided to the relevant personnel before the start of the job. Working conditions should be checked by experts and working personnel should be inspected periodically. Importance On occupational health and safety; One of the most important conditions is ergonomic working conditions. In order to create ergonomic environments, both the employer and the employee should consider the following items.