UNMANNED AERIAL VEHICLE SURVEYS

Drones, or Unmanned Aerial Vehicles (UAVs), allow us to provide raw data collection which can be used for image processing and analysis, and support visualisation work. Currently I am managing a team of surveyors that are using the latest drone technology to provide a wide range of drone surveys and inspections.

UAV: Skills

PROJECTS AND SKILLS

UAV: Products

FIXED WING & QUADCOPTER EXPERIENCE

Extensive operational UAV experience, and acting as Pilot in command of forward deployed UAV systems. Extensive Aircraft maintenance experience.

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PHOTOGRAMMETRY SURVEYS

Photogrammetry is the science of making measurements from photographs. The output from photogrammetry is typically a map, a drawing or a 3D model of some real world object or land mass.
3D Maps And Models .To create 3D maps from aerial photogrammetry, the camera is mounted on the drone and is usually pointed vertically towards the ground.Multiple overlapping photos (80 to 90% overlap) of the ground or model are taken as the UAV flies along an autonomous programmed flight path called a waypoint.
To overlap photos of an object or land by 80 to 90% would be impossible to complete accurately by pilot navigation. It is essential to have a UAV which has waypoint navigation technology.

3D Point Cloud

TRAFFIC MONITORING - DUAL CAMERAS

Video footage captured by drones enabled transport planners to monitor traffic on major junctions in UK. Synchronized footage taken at the two different locations for the same junction was also successfully captured. The footage identified key generators for traffic build-up during peak times, which informed effective, forward-thinking decision-making for improvements to the highway.

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TRAFFIC MONITORING & ADVANCED TRAFFIC ANALYSIS

Video footage captured by drones enabled transport planners to monitor traffic on junctions. In addition synchronized footage taken at the two different locations for the same junction was also successfully captured. The footage identified key generators for traffic build-up during peak times, which informed effective, forward-thinking decision-making for improvements to the highway

Link to video

STRUCTURAL INSPECTIONS

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CONSTRUCTION MONITORING, REPORTING & ROOF INSPECTIONS

Construction industry professionals have long envisioned technological disruption to address common challenges of time and cost overruns to construction productivity and material wastage. With Drones/UAVs we can provide construction stakeholders with expansive, accurate, and precise spatial data. The data we have obtained through a drone can be analysed with an engineering software and furthermore, can be overlaid on construction drawings. The data captured via each flight is processed through a photogrammetry software which is then used to create digital elevation models (DEMs), orthophotos, and 3D point clouds. A variety of secondary data products such as shapefiles, contour lines, and raster products are created when imported into a geographic information system (GIS). Furthermore, the overlaying of spatial data on CAD/construction drawings allows professionals to compare ‘as designed” to “as built”, thus enabling the identification of spatial mistakes well before they are executed on site.

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