What is Volumetric Survey and How Stockpile Measurement Works
Mining companies, quarries, and construction sites all share the same recurring question: how much material is actually in that pile? Manual estimation is notoriously inaccurate, sometimes off by 15 to 20 percent. Volumetric survey using drone photogrammetry answers that question with precision that traditional estimation methods simply cannot match.
How Volume Calculation Works
A drone flies over the stockpile capturing overlapping photos, exactly as in any photogrammetric survey. The processed data produces a dense 3D surface model of the pile. Software then calculates volume by comparing this surface against a defined base reference, either ground level or a previous survey of the same site.
What Volumetric Survey is Used For
What the Volume Report Includes
| Report Element | Detail |
|---|---|
| 3D Surface Model | Complete point cloud and mesh of the surveyed pile or excavation |
| Volume Calculation | Total cubic metres against chosen reference base |
| Comparison Report | Change in volume versus previous survey, if applicable |
| Orthomosaic | Visual reference image of the surveyed area |
For any project involving material tracking, earthwork verification, or reservoir capacity monitoring, drone-based volumetric survey and quantity takeoff delivers numbers that hold up to scrutiny, whether that scrutiny comes from an auditor, a client, or a contractor dispute.
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