To become a qualified site manager you must learn the importance of riddor dangerous occurrence which refers to Reporting of Injuries, Diseases, and Dangerous Occurrences Regulations (RIDDOR). A RIDDOR report is logged in by the employer or person in charge if the incident occurred due work-related action for example, a dangerous occurrence is listed as Schedule 2 RIDDOR, and proceeds for investigation by the Health and Safety Executive. It is crucial in enforcing transparency between companies and the Health and Safety Executive. Once a RIDDOR has been reported, the Health and Safety Executive will investigate the report. You can complete a RIDDOR site supervisory course at the College of Contract Management and start off your career in leadership roles.