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Option | Description | Example | ||
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Adding Stockpiles manually | To add and remove stockpiles manually use the green plus and red minus buttons located in the top toolbar. The names in the Stockpile Name column must follow this convention:
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Adding Stockpiles from Haul Infinity | You can add all or missing stockpiles from Haul Infinity. For this, use the Add Missing Items button located in the top toolbar.
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Generate a new Mutex Parcel Group to be used in conjunction with the stockpiles by going to the Reserves tab > Data panel. When there press the gear icon to open Configure Parcel Subsets wizard.
Create a new Mutex Group (example, “StockpileBlend”) and assign the relevant parcels to the created Known Mining Parcel.
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Note that assigned Subset Names must match your existing and Known Mining Parcel names. |
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The "Unassigned" value in Subset Name column for each parcel needs to be paired to a "Known Parcel". For parcels which will be part of the Stockpile blend, this "Known Parcel" will be the one created in the previous step. Parcels which are not part of the Stockpile blend can simply be mapped to there own parcel name. |
Step 3. Selecting Mutex Group as Parcel Finger
Select the created mutex group from the dropdown list in the Parcel Fingers column.
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Important Note
When creating Mutex Parcel Groups make sure that names of parcels in the Subset Name column match exactly names of Known Mining Parcels, otherwise you’ll get an error message that will prevent you from proceeding further with the setup. More details see in the Error Message section below.
Finger Pile Types
In the Finger Pile Types column, choose whether to build and reclaim stockpiles in discrete fingers.
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The types of stockpiling depend on the mode in which planning is performed (constraining trucks or optimising by product). See the txplanation in the table below.
Project Mode | Constrain on Trucks | Optimise Products | ||
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Finger Pile Type | Projects in Constrain on Trucks mode may choose to load First In First Out (FIFO) or Last In First Out (LIFO) logic. In Tactical Scheduler, FIFO and LIFO refer to the reclaim sequence of the piles within the stockpile fingers. |
Otherwise, you’ll get an error message preventing you from proceeding further through the setup without a correction.
To fix, either select “WeightAveraged” finger pile type, or change the project mode to the “Constrain on trucks”, if required to use FIFO or LIFO stockpiling logic. | ||
Example |  |   |
Finger Pile Size
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Description | Example |
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The example on the right shows a setup for a stockpile which has fingers for all parcels. Each parcel finger is comprised of piles with a capacity equivalent to the value defined under the Finger Pile Size column. Pile number 3 in both the MG finger and the HG2 finger has not yet reached the 20,000t threshold, and therefore can't be reclaimed. If "LIFO" was selected in the Finger Pile Type column, this would cause there to be no reclaiming of HG2 or MG material. |  |
The same logic applies if a Mutex Subset is chosen as the Parcel Finger Type. In the example below, there is one finger comprising of material type “SP BLEND”. Within that finger, there are multiple piles, each having a capacity equivalent to the value defined under the Finger Pile Size column. If a pile has not met the threshold, it cannot be reclaimed. |  |
Through FIFO and LIFO, it is possible to force a stockpile which comprises of a single material type to be fully built before it can be reclaimed. This can be achieved by setting the Finger Pile Size to the capacity of the stockpile. |   |
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Explanation | Example |
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If we consider that setup of ROM_2 which has the Finish Pile at Period End option enabled, it can be observed that material is reclaimed off the stockpile before a 40,000t pile has been constructed. When using this option, the quantity reclaimed cannot exceed the closing balance of the previous period. This is why in period 3, only 3,631 tonnes of material is fed to the crusher despite there being 18,605 tonnes at the end of the period. |     |
Manual Reclaim
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Reclaiming stockpiles manually also prevents sending material to the destination crusher specified in the Destination Logic step. Remember that, if getting optimisation error when running the Schedule with a specified Reclaim targetTarget. See the example in the section below. |
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Example | Some projects can have multiple ROM stockpiles. You may need to report total tonnes on "ROM" or “LT” for example. |
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Setting | Create Mutex Subset to be used for reporting and assign Subset Name for each of the stockpiles.  |
Usage in Reporting | Now in the Schedule > Reporting tab you can filter by this mutex subset. MutexStockpile.Reporting = "ROM", which had been set to include all ROM stockpiles.  |
Error message
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If names of parcels in the created Mutex Subset don’t match with the names of known mining parcels, you’ll get an error message, preventing you from proceeding further in the setup.
“One of the stockpiles uses mutex parcel subset <(StockpileBlend)>, which cannot be used because the following parcels are not mapped to parcel names which already exist in the model: <SP_blend-Blend, w-Waste, bg-Blend, lg-Blend, minw-Waste, hghs-Blend, hgha-Blend, hg-Blend>”.
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Reason | Remedy | ||
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Names of Subset parcels are not mapped correctly and don’t match names of existing parcels | Review parcels naming and mapping in the Known Mining Parcels setup step and Reserves tab > Data panel > Mutex Parcel Groups.  Mapped names must fully match names specified in the Known Mining Parcels. Mismatching names, example “Blend” instead of “SP_Blend”, will result in an error, since “Blend” doesn’t exist as a parcel name to map other parcels into. | ||
| Despite the fact that all parcels in the imported data are detected automatically, you can specify all existing in your project parcels in the Known Mining Parcels step. It will help to avoid remapping parcels each time after updating reserves naming.
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