CITB SSSTS course or Site supervisor safety training scheme is a two-day health and safety course for supervisors. This SSSTS course is designed for supervisors working in the building, civil engineering, and construction industries.You will learn all the relevant legislation affecting safe working in your industry. Also, you will develop a thorough understanding of your responsibility for the workers welfare on site.With this knowledge, you will have the necessary tools needed to maintain a safety and welfare culture within your workforce. CITB SSSTS course is available online. There is also a classroom option for anyone who is, or is about to become, a site supervisor.