A roof insulation worker slipped from a ladder and fell whilst working on a residential property. The worker pleaded two times for help from his supervisor, who did not call for an ambulance for at least an hour. The worker was eventually taken to hospital with a sore back, sunburnt eyes and dehydration. What sections of the WHS Act 2000 would have been breached in this scenario?
What does PPI stand for? Describe their use in assessment of WHS performance.