This question was raised during the live session of GEOVIA CONNECT 25X: Rethink What’s Possible in Mine Planning and Design for Underground Mines. If you were unable to attend, the session is now available on demand at the link below.
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GEOVIA CONNECT 25X: Holistic Optimization for Open Pit to Underground Transition
Here's the response from @NS, Services Software Expert Specialist - Dassault Systèmes:
 Nicolas SOTO
Services Software Expert Specialist
Dassault Systèmes | Yes, definitely. In the presentation we focused on NPV and IRR, but because this is long-term planning over many years, the NPV of the second (underground) component can be heavily diluted. If you want a more meaningful comparison between the open pit and the caving operation, you can use other KPIs such as: 1- Payback period 2- Profitability index or similar ratios relating CAPEX to discounted cash flow All of this evaluation is handled in a script, so we can modify that script to implement whatever KPIs your organization prefers. The workflow will then update and rankscenarios using those new KPIs
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Find more information here:
GEOVIA Underground Mine DesignerCAPEX
