Mining operations at Blackwater are expected to be stabilised in the June 2020 quarter.
Average prices for hard and weak coking coal as well as thermal coal all declined by more than 20%.
BMA admitted it had more work to do on safety after dozer operator Houston died at Saraji.
Palmer said BHP and BMA were also active participants in the industry-wide safety reset.
Cut service time from two hours to 40 minutes.
Analysis showed indentations in the external wear plate lead to build-up in stored tension.
The mine was able to unlock the local talent pool and create a more diverse and flexible workforce.
BMA made the decision to sell the mine after a detailed review.
Grants funded by the Queensland governments Advancing Women in Business Initiative.
The apprentices are school leavers through to experienced workers, Indigenous people, men and women....
BHP said it expected to lower its unit costs to about $57/t.
BMA already ran a large fleet of 282s at Peak Downs.