The physical design and production schedule of a mine are inextricably linked. Studio NPVS is unique in the mining industry as the only strategic mine planning system that optimises both of these elements in the search for maximum NPV. As a complete strategic open pit mine planning system – Studio NPVS has functionality spanning data preparation, pit optimisation, pushback generation, cut-off grade optimisation, scheduling, haulage analysis and stockpile management.

Studio NPVS

Complete Strategic Open Pit Mine Planning System

The physical design and production schedule of a mine are inextricably linked. Studio NPVS is unique in the mining industry as the only strategic mine planning system that optimises both of these elements in the search for maximum NPV. As a complete strategic open pit mine planning system – Studio NPVS has functionality spanning data preparation, pit optimisation, pushback generation, cut-off grade optimisation, scheduling, haulage analysis and stockpile management.

 In addition, the Studio NPVS family of products have the full power of a general mining package delivered by Datamine Studio’s core platform. The advanced system caters for alternative techniques beyond NPV for pit optimisation to take account of material blending requirements, or to maximise mine life. The innovative pushback generator delivers the most practical pushbacks of any competing product and the scheduling capability includes optimisation techniques that look ahead to the entire life of the mine as opposed to considering just one period at a time.

Geological Model

Import a geological block model with grade, lithology, topography, surfaces and mining boundaries. Digitise plan data.

Economic Model

Define processing methods and input commodity prices, mining costs, milling costs, selling costs, recoveries and create a three-dimensional economic model with multiple possible 'intrinsic block values' that relate to possible processing methods.

Nested Pits

Use the pseudo-flow algorithm to generate a set of nested Lerchs Grossman (LG) pit phases that represent varying economic parameters and generate an Optimal Extraction Sequence (OES) to model the ideal mining sequence. Alternatively, use the options to maximise the life of mine or to generate a blended pit where products are created by mixing rock types.

Practical Pushbacks

Use the Optimal Extraction Sequence and pushback ore targets to generate practical pushback shapes that respect good mine design practice.

Optimised Schedule

Schedule the pushbacks according to production targets and mining constraints to get an optimised schedule. Use truck hours and capital costs as inputs. Refine the schedule with blending, cut-off grade optimisation and stockpile scheduling.

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