UAV services

Documentation of the progress of construction works using UAVs

Yungo provides the service of documenting the progress of construction works by unmanned aerial vehicle (UAV / drone). A sequential set of photographs is taken while flying at low altitude over the construction work area. The result is an orthophoto, an elevation map and a generated 3D point cloud.

This approach is suitable for tracking long duration construction works (e.g. laying of utility backbones) outside urban areas, where it helps to monitor the progress of construction, supports documentation of construction works with highly accurate data and facilitates calculation of distances or volumes (e.g. to demonstrate the volume of material excavated).

‍

‍

Photogrammetric model of Urban area

Using an A0 category drone with flight up to 100m meter above surface Yungo provides the collection of the set of geotagged photos and calculates photogrammetric model of the location (typically street or village). The outcomes include the high quality orthophoto (2cm/px) covering area of the flight and a 3D model of the location facilitating horizontal and vertical measurements.

The application of the photogrammetric model takes place in surveys phases and its deliverables are used as valuable inputs for enhanced analysis of the area.

Reference project - Supporting ground-based lidar scanning with aerial photogrammetry

In partnership with Allinq Digital and Allinq GmbH Yungo cooperates on new revolution of construction process digitalization. After the construction company place down the underground infrastructure for the fibre optic network, shortly before the trenches are still open, the construction company crew records the built situation by mobile app using the integrated lidar sensor. The digital 3D model of the construction site is generated in form of a point data cloud, that is referenced to the point where the scan capturing has been initiated. To increase the geodetical accuracy of the model a high-resolution background map is needed as a reference environment. Then the construction site model (point data cloud) is aligned with it by its shifting, rotating and scaling. In the presented project, there were no orthophoto data with sufficient image resolution covering the construction area available. Yungo analysed the location from UAV data capturing perspective and identified the free flight zones and submitted for the flight permission (avoiding flight over restricted objects such us hospital, police station, prison or river). Within 8 flights (approximately 20min per flight), the whole area of 3km²  (36 km of the network trenches,  7k house passed) has been captured.

‍

‍

‍

‍

‍

‍

Interested in outcomes and more details?

‍To get access to our reference site, please contact us via the contact form on our contact page and we will give you free access to the demo site. (Due to the handling of personal data, the content is not available as a publicly accessible map service.)

The reference site is available on the following link: https://demo.yungo.eu/references/uav/

‍

Notes to UAV services

When flying over urban and non-urban area with any  UAV category drone carrying a camara, a flight regulation and GDPR rules applies and the geofencing approach must be followed up (e.g. flying within restricted zones or over some ground objects is not allowed).  To get a flight permission, set of documents including reason to fly, detailed flight plan, landing points, etc. needs to be submitted. Yungo has the certificated pilot with licence validity for all EU countries and experience to go through the flight plan and permission process.

Data collection using UAV is weather permitting day-light service, which means the weather must allow the safe control of the UAV and the light condition needs to be sufficient for remote data collection.

‍