DESAIN PIT OPTIMASI DAN PERENCANAAN ...
The parameters needed to form the pit are: resource modeling, mining limits (pit limit), mine opening level data, stripping ratio, and mine financing calculations and the NPV obtained. Based on the calculation of strip ratio, it is found that the West Banko pit X ratio of stripping ratio is 1: 4, mining starts from elevation of 100 m up to -80 m, with open pit area of 184.72 Ha.