The article states that
“Lawyers for the Department of Commerce — prosecuting the case through WorkSafe — successfully argued the site was not a mine and was instead a camp for workers constructing a railway to transport iron ore.”
The company was arguing that the site was a mining support site and that its contractors were responsible.
Interestingly the Magistrate, Joe Randazzo, wants a definition of “safe refuge”. This may lead to a reconsideration of the use of dongas, or temporary accommodation units, in areas of extreme weather conditions. There is the potential for safety improvements from this case and not just a punishment.