### APPENDIX 2: CAPITAL AND OPERATING COST ESTIMATE GR

2021. 1. 4.· capital cost and operating cost estimate for a 500,000t/year conventional CIL plant and a x 5.2long (effective grinding length) overflow ball mill that will be fitted with a 900kW motor. The ball mill will be in closed circuit with 250 mm diameter cyclones. 132 kW stirred bead mill to further liberate the copper minerals.