And I speculate you are a railroad man. I think the rail currently is near its max for the line between the Curry and Townsville? Current usage 4.7 Mtpa. To upgrade to 7.8 Mtpa will cost $487 million, 20.9 Mtpa will be $1.297 billion. Mt Isa produces roughly 240 000 tonne of copper anode meaning that will be another 480 000 tonne of room they need if railing concentrate and Incitec Pivot about 350 000 tonne. Flooding is a common occurence in the wet season and derailments happen. here's a link for you.
