The interview started at 8 am and finished at 11am. I cant recall the exact time. There were around 25 candidates on the day. Then we were split into groups of 5~ 6 members. the whole assessment consisted of 3 activities. The first one was short presentation in pairs. We were given a scenario which was about FIFO topic. We had 10 mins for preparation then followed by 5 mins presentation. After this, the second activity was group discussion which was typical assessment for graduate program. The last activity was short interview with two BHP employee, one was from HR and the other was from mine operating site.