BackDiscover how mine optimization decisions impact dump designs, fleet management, and operational efficiency. Learn why small planning choices in bench sequencing and ramp design can create significant downstream consequences.
Full Episode: Mining Mindset: What Really Breaks (and Fixes) Mining Systems
Video transcription
Pit Optimization and Its Impact on Mine Planning
Current optimization efforts involve cutting entire micro pits from mine plans to prevent negative impacts on dump designs and future operations. When evaluating pit shells, engineers analyze tonnage production and projected revenues based on specific inputs. However, the complexity increases significantly when considering equipment decisions such as selling a shovel or operating with fewer trucks.
Fleet Optimization Challenges Beyond Software Capabilities
Mine planning software excels at showing what mineralogy looks like and calculating revenue generation based on pit shells with specific wall angles. However, tying these calculations to equipment decisions, maintenance costs, and fleet sizing requires substantial manual analysis. Questions like whether to mine the furthest pit first while purchasing additional trucks for later resale demand calculations that extend beyond standard software functionality. Optimizing haulage fleet configuration often becomes a labor-intensive process conducted outside primary planning tools.
From Concept to Execution: Revenue Drives Mining Strategy
When discussing mine planning strategy from concept to execution, revenue stands as the most critical factor. No investor wants to commit resources to a mine that operates at break-even for five years. Beyond profitability, the practical ease of executing the mine plan determines project success.
Small Design Choices Creating Large Operational Consequences
In short and mid-range planning, seemingly minor decisions create disproportionate operational impacts. Cycle balance and ramp designs significantly affect efficiency. Poor bench sequences lead to wasted time building temporary drops and temporary ramps, causing inconsistent crusher feed. When benches fail to maintain proper turning sequences, operations swing between being waste-bound one week and ore-bound the next, forcing constant adaptation and reducing overall productivity.
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