Mine Plan Scenario Analyzer
Evaluate pit sequencing, equipment utilization, and production bottlenecks in mine plans
What You Can Do
You can decompose complex mine plans into analyzable components and evaluate competing production scenarios across geological sequencing, equipment capacity, processing throughput, and regulatory constraints. This skill helps you identify bottlenecks before they impact operations, quantitatively compare pit sequencing alternatives, and document decision logic for stakeholder and regulatory review.
Features
evaluate single vs. multi-pit strategies and push-back timing trade-offs
assess capacity constraints and identify under/over-utilized assets across production profiles
determine cutoff grade impacts and scheduling conflicts with mill throughput limits
pinpoint where geology, equipment, processing, or workforce constraints limit production
quantitatively evaluate 2–4 materially different mine plans (conservative, base case, aggressive)
stress-test plans against grade decline, commodity price shifts, and permit restrictions
model shift schedules and labor constraints across pit and processing operations
record assumptions, constraints, and decision logic for stakeholder and regulatory review
Example Output
Scenario Comparison Output:
- Scenario A (Conservative): 1.2M tonnes annual throughput, 3 active pushbacks, 87% fleet utilization, $42M OPEX, 18-year pit life
- Scenario B (Base Case): 1.5M tonnes annual throughput, 2 sequential pushbacks, 94% fleet utilization, $51M OPEX, 16-year pit life
- Scenario C (Aggressive): 1.8M tonnes annual throughput, risk of mill bottleneck at Q3, 102% fleet utilization (infeasible), $58M OPEX
Bottleneck Summary:
- Processing: Mill capacity limits Scenario C to 1.65M tonnes effective throughput
- Equipment: Hauling fleet requires 2 additional trucks to support Scenario B without 10+ hour shift extensions
- Compliance: Scenario B meets annual reserve depletion permit; Scenario C exceeds by 4%
Recommendation: Scenario B balances production targets, equipment feasibility, and regulatory compliance. Proceed with truck acquisition contingency.
What's Included
- SKILL.md instruction file with analysis framework and constraint taxonomy:
- Pit Sequencing Template: worksheet for comparing push-back schedules and extraction sequences
- Equipment Utilization Checklist: fleet capacity calculator and constraint flagging rules
- Scenario Comparison Matrix: structured table for side-by-side plan evaluation (tonnage, OPEX, bottlenecks, compliance)
- Sensitivity Analysis Framework: prompts for grade, price, and regulatory stress-testing
Who It's For
- Mine Engineers and Planners — designing pit sequencing and validating production schedules
- Operations Managers — assessing equipment and workforce constraints before budget approval
- Mine Planning Software Specialists — documenting assumptions and bottleneck logic in mine plans
- Feasibility Study Teams — evaluating scenario trade-offs for investment decisions
- Regulatory and Compliance Officers — verifying reserve depletion compliance and audit documentation
Best For
- Annual and quarterly production schedule development
- Capital expenditure evaluation for equipment or processing upgrades
- Pit sequencing strategy comparison (single vs. multi-pit, push-back timing)
- Sensitivity analysis for commodity price, grade, and permit changes
- Bottleneck identification and constraint conflict resolution
- Audit trail and stakeholder documentation of mine plan decisions
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