CESAR conducted a cross-sectional survey of 25 health facilities in Ekhuruleni District of South Africa to document the tasks undertaken by healthcare workers and the time taken to perform those tasks. The study included 27 facility managers; 195 healthcare workers; six School Health Teams, 50 Community Healthcare Workers and five Outreach Team Leaders. The data were analysed and used to inform standard human resource requirements through incorporation into an algorithm adapted for calculating and setting staffing norms.