Running MSOPIT for Assignment #6

These Slides are Base on MS3D version 4.6 which was current in Sept. of 2009

Note – These slides contain concepts also found in Mintec training courses. The slides contain screen shots taken from the program MineSight produced by Mintec Inc.

Inputing MSOPIT Screens

This must identify the name of yourBlock model that has been preparedFor MSOPIT

These screens can be left as is

Picking Your Surface File

This one must identify theName of the file 13 youPrepared for MSOPIT

These fields can all be left as 0For now. 0 refers to the undisturbedSurface which is where anUltimate pit starts from.

Have the Computer Calculate the Value of Each Block

Left click on the calculate value radioButton

For the output report on block valueIntervals a number of 5000 works wellFor the copper moly mine beingConsidered.

Tell Which Variable In the Block Model Says How Much of the Block is Made

of RockPick the variableThat containsThe information

These are optionalInputs – Leave themalone

Set Minimum Value for Rock to be Processed

The values shown here workOk for output parameters except

You need to put in the minimumValue that a block must havePer ton to break even onProcessing costs. This mayRequire some calculation,Estimation, or picking on yourPart.

Input the Economic Parameters for the Mill

This is yourMill processCost(comes fromYourAssignmentAnd mayDiffer fromThat shownHere)

Continuing the Mill Input

This is whereYour oreMining cost/tonneGoes and yourOre specificGravity. (theseValues comeFrom yourAssignment andMay differ fromThe illustrationValues here)

Input the Cu and Mo Values

Copper andMoly valuesShould be theValue inConcentrate form.

These valuesAre calculatedFrom the copperAnd moly priceLess the costTo produce aFinished product.For Copper this isCopper cost minusThe cost ofSmelting andRefining.

Your values may differFrom those shown here

Input Your Recoveries

This is thePercentOf copper andMoly recoveryAt the mill.The numbersTo use areProvided inYour assignmentAnd may differFrom the valuesShown here.

Input Other Data as Shown Here

Left clickapply

Input for Your Pad LeachYour miningAndProcessingAnd specificGravity valuesCome fromYour assignmentAnd may differFrom theExample.

Your recoveryAlso comesFrom yourassignment

Input the Copper Price

Copper price isThe value ofCopper inSolution. It isThe sellingPrice of copperMinus the costOf solventExtraction andElectrowinningGiven in theAssignment.(Your value mayDiffer from thatShown here)

Input the Dump Leach Screen

Click applyWhen done

Input the Worthless Dump Screen

Leave the Costs and Discounting Screen Alone

This screen is used for mining whole benchesFrom the top down as in a quarry. By leavingThe factor equal to 0 the program knowsYou are not executing this option.

Enter Your Ultimate Pit Slope

Pick a constant slope for thisAssignment

Enter the over-all slope as indicatedIn your assignment (your value myDiffer from the one shown in theExample).

Pick Learch-Grossman for the Method of Finding the Ultimate Pit

Pick base which meansShow me one pit based onThe constraints andEconomics given.

Pick Learch-Grossman fromThe drop down menu

Accept the other defaultsOn the page.

Tell the Computer Which Surface to Put the Pit Surface Out to.

The 0 surface is the undisturbedPit surface. The input hereSelected pit 1 for the ultimate pitSurface, but you know in theNext assignment you will create6 stage pits so you can put theOutput on surface 7 if you want.

You can acceptThe defaults onEverything else.

Leave the Audit Screen As Is

Set My Output Options

Each block of ore will go to aDestination – identify the variableIn your block model where theDestination is to go. (This willDepend on the names you gaveTo variables in your block model)

Do the same thing with where youWant info to go on value of eachBlock and the value per ton of theRock it contains.

Give Directions for the Report

Pick a headline for the reportOutput

Pick a file extension for the output(this enables you to keep a bunchOf reports without over-writing)

Tell The Computer to Run the Routine

Left click file

Pick runprocedure

After the Procedure Runs Set Up the Display

Create aNew modelView withThe datamanager

It Asks for a Name for the Model View

It Also Wants Me to Pick My Project Control File (my file 10)

It Wants to Know What File I Want I Model View for

I’m want myFile 13 so ICan see myFinished pitSurface.

Left click theFile

Then left clickOk

I’m Going to Select Making Model Views for All My Surfaces

Now I’ll Open My Model View to See that Final Pit Surface

I pick my surface(for me I outputThe surface toPit 1 but youMight havePicked pit 7 orSome otherSurface)

I right click toPop up a menuAnd then ILeft click onOpen.

Here is My Surface

I have colorsSet for differentElevation butMy elevationColors look realScrewy.

I’m Going to Debug that Color Mess

For the surfaceI’m workingRight click toPop up the menu

Then left click onproperties

Here Is My Problem

I’m displayingMy final pitSurface but myColor cut-offsAre based onTopog which isMy originalUndisturbedSurface.

Left click theBlue list box(I’m going toPick the rightSurface to baseMy color codingOff).

Up Comes My List of Surfaces

Since I’m tryingTo display thePit 1 surface,I point and leftClick pit 1

Then I will leftClick Ok

Now That Looks More Like It

Now I’mManeuver And take myScreen shotsFor theAssignment.

To Run My Floating Cone I Need to Go to the Design Strategy Screen

I pick floating cone from theDrop down menu

I put in a reasonableMinimum size for the pitBottom (if it makes aPointy bottom pit I’ll haveA tough time getting myTruck in there)

I’ll also want to change some of my outputHeadings and also the report extension so myNew run does not over-write my Learch-Grossman report (because I have to turn inBoth reports)

Eventually I’ll Also Have to Try the Run the Costs Increasing as the Pit gets

Deeper

Go to costs and discounting andCheck costs vary by bench

Note one more screen comes to life(is not grayed out)

Go to That New Screen

Note I have separate cost increases for Ore and Waste(not surprising since we may very well be using different sizedTrucks going to different destinations)

Set the Range of Benches to Be Affected

Select the range of benches to be affected. (In this case we willSelect the full range of benches)

Set How Much Extra Cost We Have at the Start of the Range

In our case we have no initial extra cost so we choose zero. (IfI were doing something liking adding 3 cents per bench downTo bench 20 and then I wanted to starting adding 5 cents perBench after that I would have to have an extra 60 cents to startWith when I started with bench 21)

Set the Cost Increase Per Bench I Go Down

Now I put in the cost increase I get for each bench I getDeeper.

If I Wanted to Have Different Rate of Cost Increase for Different Bench Intervals I could Left Click Add to put in a

new interval

Of course I won’t be doing that for this assignment