The construction site and its elements create circumstances that are conducive to the formation of risks to work safety during the execution of works. Analysis indicates the critical importance of these factors in the set of characteristics that describe the causes of accidents in the construction industry. They are indicated as important factors having an impact on risks, and increasingly are the subject of studies on work safety in construction. The research focused on as well as the awareness of health and safety of site managers – who perform independent functions in construction, legally involved in the construction process. Main substantive tasks included comparison of observed values with expected values in regard to characteristics related to health and safety awareness among site managers.