To do this, the site operator collects drone imagery and then converts the data into a 3D surface model in the software. The software presents an interactive onscreen environment with drone orthophotos, digital surface models (DSMs), and/or LiDAR point clouds where users generate CAD models, create cut-and-fill maps, and calculate volume reports.Įfficient volume calculation has been a Virtual Surveyor feature for several years. Virtual Surveyor is a powerful surveying software that bridges the gap between drone photogrammetric processing applications and engineering design packages, enabling surveyors to derive topographic information from drone data needed by engineers for construction, mining, and excavation projects. “This new capability lets site operators easily report the tonnage and value of stockpile materials – which is the information organizations really need,” said Op ‘t Eyndt. The enhanced stockpile inventory functionality saves significant time at any site where materials are extracted, stored, or separated – open pit mines, aggregate quarries, lumber mills, recycling centers, and waste disposal operations. Now the entire workflow is seamless and fast.” “Before Version 8.2, users could quickly calculate stockpile volumes, but creating a professional looking report from those numbers was time consuming. “The stockpile inventory workflow is now complete in Virtual Surveyor – a huge time saver for users,” said Tom Op ‘t Eyndt, Virtual Surveyor CEO. Virtual Surveyor Version 8.2 allows users to accurately calculate stockpile volumes in drone imagery with just a few mouse clicks and then generate a professional PDF report detailing material tonnage and value. Importantly, you ensure your sites don’t fall victim to running out of crucial resources.AARSCHOT, Belgium, 1 June 2021 – Calculating and reporting stockpile inventories are now easier and faster in the latest version of the Virtual Surveyor drone surveying software. Suppliers can be notified far in advance, long before running out of materials. On the other hand, drones can be flown several times a day, providing you with real-time calculations of the materials on hand. With a possible lag time of weeks before getting the information you need, the data can already be too old to act on. The delay between when the data was taken and the report hitting your hands means that the volume may already have changed. Imagine you need to know the remaining supply of soil on-site, and you’re waiting for a survey team to complete their report. In addition to an improved workflow, better supply chain management is also possible. With drones, work continues uninterrupted. Heavy equipment, for example, must operate outside the immediate area where the survey team is working.ĭelays caused by these stoppages significantly impact the completion of work, potentially causing your project to fall behind schedule. When using a survey team, work around the pile must cease for safety reasons. There’s got to be a better way, right? There is.Īs if saving time and money wasn’t enough, the benefits of this modern solution don’t end there.ĭrones allow for stockpile volumes to be calculated without causing work stoppages around the material in question. And to top it off, it could cost thousands of dollars for a single survey. In some cases, it can take weeks for the report to reach the customer. These teams use tools such as theodolites, analyzing the collected measurements offsite, later offering their report to the client. Although this yields an accurate result, it too, takes a long time – and is expensive. The traditional high-tech method employs a survey team. In reality, it’s only slightly better than simply “eyeballing” the gravel pile. This method not only takes a lot of time, but also leaves plenty of room for errors – producing inaccurate results. In the low-tech version (see video above), tools such as a distance measuring wheel, level, and measuring tape are used to find the volume of the cone and the volume of the center prism which make up the pile. For this example, let’s assume both low-tech and high-tech options are available. To illustrate traditional methods better, let’s look at a construction site that needs to know how much gravel remains in a gravel pit. Though the process is relatively straightforward, it’s also expensive and time-consuming. Traditionally, conducting volumetric surveys usually required the use of both survey teams and some mathematical gymnastics.
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