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Optimizing Mining Operations: Resource Planning and Equipment Selection

This assignment guides you through a comprehensive mining resource planning exercise. Start by accessing your project in MSOPIT, selecting your resource options, and calculating tonnages of ore and waste. You'll plan production rates over defined timeframes, create a Word document to detail your findings, and determine operational days, shifts, and effective work hours. Evaluate road widths, turn radiuses, and select appropriate haul trucks and loaders based on your mining requirements. Ensure you match equipment effectively and calculate loading strategies for optimal efficiency.

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Optimizing Mining Operations: Resource Planning and Equipment Selection

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  1. FPC Assignment 1

  2. Go to Your Project and Fire-Up MSOPIT

  3. Go Directly to Design Strategy Pick your resource option and run

  4. Size Your Pit Reserves from the Report I can see all my ore Is sulfide I can see I have 432,517,319 tonnes ore 386,365,687 tonnes waste

  5. Setting Production Rate • Back half of room – you will mine your tonnage over 40 years • Front half of room – you will mine your tonnage over 25 years • Create and Word Document • Calculate out your annual ore and waste tonnages • Put the results in your word document • Assume even ore and waste tonnage each year • Your mill is a 1 mile drive over level once you leave the mine • Your leach is 1.5 mile at +2.5% grade uphill • Your dump is 2.5 miles at +1.5% grade uphill

  6. Climate • Right half the room • You are near Fairbanks Alaska • Left half the room • You are near Mexico City

  7. Decision Time • Determine how many days per year you can run • Write this in a word document and tell me why • Determine how many shifts per day you will run and how long the shifts will be • Write your results in a word document • Determine how many hours you will plan on • Then assume that you will only be able to utilize 93% of those hours due to pit delays • Write your results for number of hours per year.

  8. Keep on Truckin • Determine your width of road and the turn radius of your sharpest turn. • Hint – click a point hold down right mouse key and drag for distance • Look at trucks • Need absolute min 2.5 times truck width – 3 times desirable • Suppose your road is 30 meters wide (about 98 feet) • Maximum truck width about 33 feet • Check turn radius too. • Which Cat trucks are feasible to use?

  9. Consider Your Loader • Your benches are 15 meters high • Your loader must have a 15 meter dig height • Which loaders are feasible to use?

  10. Narrow Your Truck Field • Identify 3 possible trucks that might work • You may want to consider • Trucks of 250 tons or better require special haul roads • To many little trucks could be a nightmare number running around • To few of loading points will cause mill headgrade problems (think at least 3 load points) • For porphyry copper ore determine whether the trucks are weight or volume limited

  11. Look Again at Your Loaders • Assume medium dig for a hydraulic shovel, hard for a cable • What kind of fill factors can you get on your bucket or dipper. • Match your 3 trucks with loaders • Make sure your loader can get over the side of your truck • Calculate the number of passes and fill factors you will need to load your truck

  12. Get Your 3 possible Equipment Sets • Have it ready to turn in on Thursday.

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