MTS Completes Another Survey Project Utilizing Drones

MTS recently completed a project at an oil tank farm located near Odessa TX. The objective was to survey and calculate the storage capacity of four earth retaining walls (bunds). These bunds were checked to ensure they had sufficiently voluminous to contain the full oil capacity of the tanks. MTS established two primary project control points and set a series of aerial targets for the data acquisition phase of the project. A total of three lifts using a DJI Phantom 4 Pro drone were flown to capture the data.

The data was processed, and a point cloud created. The point cloud was checked against a series of known control points on the surface. The ASPRS (American Society Photogrammetry and Remote Sensing) specifies vertical accuracy from UAS Data be 0.1312 feet or better. The ASPRS vertical accuracy for this data set at was calculated to be 0.040841 feet at the 95% confidence level.

The final report contained information about the field crews training and certifications, primary project control points, aerial target location documentation as well as the vertical accuracy calculations. The deliverable was the capacity of the four oil storage tank bunds. The report documents the process that was used so the volumes reported could be verified/reproduced.

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