| Discretization of time |
Quarterly to yearly often for medium-term or more for long-term, |
Shift-to-shift, daily, weekly, monthly |
| Block model |
Millions of equally sized blocks according the grade (High grade, low grade, waste) for different destination (Plant, stockpile and waste dump) respectively |
Set or portions of blocks with irregularly shaped according the grade (High grade, low grade, waste) for different destination (Plant, stockpile and waste dump) respectively |
| Geotechnical |
Global pit stability with a safe and optimal overall angle, and pit monitoring |
Bench face angle stable and suitable mining operations |
| Design |
Global pit design and pushback respecting pit slope (overall angle) |
Pushbacks designs, available mining faces, |
| Mining precedence’s |
Blocks directly above to be extracted before a block below according to the pit slope angle |
Accessing blocks from the mining faces |
| Cost |
Maximization of Net Present Value (NPV) |
Maximizing equipment utilization and minimizing costs or losses (Rehandling …) |
| Equipment’s |
Fleet size available (Number of Trucks and loading equipment) |
Modelling of individual of equipment available (Drill rigs, shovels and trucks … |
