Ann: Strong Offtake Interest Drives Major Expansion, page-152

A 2020 PFS estimated that the project would require a capital investment of A$554-million, and would deliver 26 398 t/y of nickel sulphate, 3 097 t/y of cobalt sulphate, 4 007 t/y of high purity alumina, 327 665 t/y of hematite and 20 079 t/y of magnesia over a 30-year project life.

QPM will now scale up the process plant size to between 1.2-million and 1.5-million tonnes a year, with the final sizing to be determined by the definitive feasibility study.

https://www.miningweekly.com/article/qpm-plans-to-double-qld-plant-2021-02-23


So we are looking at minimum double these numbers but as high a 2.5x except capital investment - which is likely to go up by around 50 % or less approx AUD$850 million (lets say)