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Aerial Photography

Terrestrial And Aerial Photogrammetry

Terrestrial and Aerial photogrammetry is the art, science and technology for obtaining reliable information and measurements from photographs.

To create these maps or 3D models a high detail camera is mounted on a drone. Multiple overlapping photographs of the ground are taken as the drone flies along an autonomous programmed flight path limited by the boundary waypoints.

Each construction site has a unique set of conditions that will determine which survey technique should be used. When using a drone for photogrammetry surveys it could have the following benefits:

  • It is a very cost effective method for mapping large open areas
  • It can be used as a very safe method of survey practice. It is safer to take photographs of a dangerous area rather than to place a surveyor in harm’s way
  • It enables the survey team the ability to map areas inaccessible to a conventional field crew
  • It provides a photographic record of the site and the site conditions.
Topographical / Construction Sites

Our drone can cover large areas in a short space of time, providing a verification or an overlay onto the topographical survey. The drone can also be used to provide detailed videos or photographs of the site that can be used to collate a visual record of the sites progress, which could be carried out periodically.

The drone can also be used to capture data across vast number of spoil heaps in a short period of time. This data can be transformed into a point cloud using known ground control. The point cloud can be used to produce volume calculations. This method is not only cost effective but also less intrusive around a busy construction site so it also has Health and Safety benefits.

The use of the drone is low-impact and non-intrusive so all work on site can continue.

Building / Structures

The major benefits of using a drone for building surveys is the ability to see detail that may otherwise be hidden from the conventional methods. Theodolites and laser scanners have one major drawback and that is that they are only able to work where the operator is able to work and what is clearly visible. With the use of the drone we can now reach levels of the building which cannot be been seen with the scanner. Roof detail or high levels on a multi-story building can now be captured in high detail giving us the option to import the photographs to our pointcloud data or to use the photographs to draw in the missing elements.

It should be noted that the CAA has strict rules on where and when a drone can be used and although we can cover most hurdles privacy and access issue would normally be undertaken by the client.

Midlands Office, Unit 10, Strensham Business Park, Twyning Road, Worcester. WR8 9JZ
London Office Brickfield House, High Road, Epping, Essex. CM16 6TH
info@luguk.co.uk
0845 602 3966
01684 274523

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