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Problem: In version 21.1, we introduced the Truck Dispatch system, which was a significant improvement over the previous trucking system, which mixed instantaneous logic with TUM logic. When using the Truck Dispatch mode, it was highlighted that it was challenging to troubleshoot why the optimiser was doing certain things, i.e., sending material to a stockpile despite starving the crusher being starved. This was a result of the schedule needing to complete two passes to assign the trucks. Other limitations existed around the period-based digger assignments.
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Problem: Within one parcel, there can be a lot of variability in the grades. When this happens, we sometimes want the parcel's destination to be dependent on the its grades within it. There may be a stockpile that houses HG material with a SiO2 value of over 4.0, HG material with a SiO2 less than 4.0 goes to another stockpile. Instantaneous grade targets can be used to try and manage this; however, they are not a hard constraint. As long as the average grade going to a destination meets the criteria, it will allow material to be sent there.
Solution: Code filters have been introduced to help enforce hard constraints when mining Agents are selecting select a destination. A Code Filter is an additional piece of logic evaluated when Agents select a destination rule to use. Code filters can either be scripted in which is recommended where a large number of code filters need to be written, or they can be created through an inbuilt Code Editor in the Destinations Rules step. More information about Code Filters and how to construct them can be found at the following link https://alastri.atlassian.net/wiki/spaces/212AD/pages/5483987078/PS+Code+Filters.
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Problem: When creating reports, it is not uncommon to wish to include blast data; however, blast data is not an available Data Source inside Chrono Reports.
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Problem: When a stockpile in a mutex set finishes reclaiming, the software is allowed to can start dumping there immediately. In some cases, this is not practical as the tip head of the stockpile needs to be reestablished.
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Extension Data Sources & Parameters
Just like Like APS, it is now possible to read external data sources into ATS in a clean and easy mannercleanly and easily. A dedicated Setup step, Extension Parameters, can be enabled where users can to load in required data into ATS. Previously, this process either involved hardcoding file paths in the scripts or loading in file paths as through the Refinements step. Once data has been loaded into the project, the data remains embedded in the project file until the data source is refreshed.
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None | No automatic dependencies will be created; the blocks may be mined in any order. |
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Bearing | Dependencies will be created pointing the opposite of the direction specified, with more than one block is available at once |
Bearing Strict | Dependencies will be assigned such that the blocks will be released to honour the direction specified, while only one block will be available at once |
Branching - Or/And | Dependencies will be created branching out from the user's start point(s) created by the user, while more than one block will be available at once. Both "AND" and "OR" dependency types are supported. |
Branching Strict | Dependencies will be assigned such that only one block is available at once and will be extracted in order of shortest distance from the starting point. |
Blasts - Or/And | Same as “Branching”, but the start points include any blocks marked as ramp shots, and dependencies for trim shots are automatically created. Both "AND" and "OR" dependency types are supported. |
Blasts Strict | Same as “Blasts”, but only one block is available at any one time |
Previous | Uses the dependencies assigned on the lift below or flitch above |
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It is now possible to create custom exports from within ATS. These reports are required when data can’t be extracted from the schedule using traditional export methods. As the export is created through scripts, it is possible to push data directly through to an external system provided there is a suitable means to do so.
Rapid Reserver
Bench Preconditioning Workflow
The workflow for Bench Preconditioning has been refactored updated so that it works better with wall segments. The process has now been broken up into two individual steps, Bench Preconditioning and Bench Depletion.
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The Bench Preconditioning step is designed to work on the original Phase solid, not the depleted Phase solid. Material from a bench can either be sent to the bench above or below. This can be helpful when there are parts of the bench that need to be drilled with the bench below, such as sump shots and contour areas.
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More information about Bench Preconditioning can be found at https://documentation.alastri.com/wiki/spaces/212AD/pages/5310910707/RR.+Bench+Preconditioning.
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Bench Depletion
The Bench Depletion step deals with material that exists within the flitches of the depleted phase solidsolids. Similar to In Bench Preconditioning, material within a flitch can only be removed or sent to the flitch above and below. This functionality can be useful when remnant material will be mined with the flitch below.
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. The intention of this step is to allow users to remove/push down any remnant material that may be present. It is important to know when the material is sent to the flitch below; it will be trimmed to the below benches silhouette. More Information on Bench depletion can be found here INSERT LINK.
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Infrastructure Module
It is now possible to model infrastructure sites and what impact they have on the mining schedule. Heritage, bores, environmental are just some of the Infrastructure sites which can be modelled. This functionality is an external module and, therefore, may not be accessible to all users. Please send any queries about the module to support@alastri.com.au.
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