Materials Management utilises mine design, survey and production data to provide real-time stockpile balances and metals stocks throughout the mining operation. Stockpile balances are updated following every material movement ensuring that the location and value of available material is known at all times.
The Materials Management module provides a range of tools to better manage and analyse on-site material movements and grades from primary locations to the mill feed stockpile. Reports can be generated for the following key areas of materials management:
Grade Management – location grades are imported from mine design information and are refined from assay results as they become available. These grades, along with material movements recorded in Pitram, are used to calculate the grade of each material parcel as it moves through the mine. Stockpiles and orepasses can be modelled (as Weighted Average Grade (WAG), First In/First Out (FIFO) or Last In/Last Out (LIFO)) to determine how the grade of movements from each stockpile is calculated.
Stockpile Management – the current level of stocks are available in real-time for any stockpile throughout the operation. Maximum and minimum levels can be assigned ensuring that supervisors are alerted should a stockpile be overfilled or be depleted. Stockpiles can be calibrated following surveys to ensure that the most accurate representation of the mine’s stocks are available at any time.
Validation – all material flows recorded in Pitram or imported from an external source are validated against a series of rules to help identify data entry issues and ensure the integrity of the production database. These rules include:
- Movements to or from an inactive or an invalid location
- Movements to a primary location, such as a stope or a heading
- No grades specified for an ore movement
- Locations or stockpiles reporting a negative inventory
- Circular material flows
Material Reconciliation – reported deliveries to the mill can be reconciled back along the material flow using Pitram’s Reconciliation functionality. By segregating the material flow into envelopes (e.g. ROM, Intermediate, etc.), the recorded inflow and outflow tonnage and grades can be compared to the mill claim, and discrepancies addressed and assigned. This process allows differences to be identified down to the individual material movement level, allowing recording or measurement errors to be identified and rectified.
- Pitram provides an easy to use interface
- Provides a range of tools to better manage and analyse on-site material movements and grades from primary locations to the mill feed stockpile.
- Reports can be generated for the following key areas of materials management, grade, stockpile, materials and validation
- Establishes data integrity and improves data management
- Grades can be imported from common formats and geological databases
- Powerful summaries, drill-down features and graphical representations of material flow are available
- Up-to-date information is available for all stockpiles, including tonnages and grades
- Estimate stockpile volume, weight and grades
- Capture surveys or adjust stockpile balances
- Assign grades/material quality to stockpiles
- Calculate predicted grade based on LIFO, FIFO or weighted Average algorithms