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RECON SERVICES

Aerial mapping

Whether a drone LiDAR survey or mapping via a manned-helicopter,  the required survey data can be collected accurately, efficiently and without the need for personnel to set foot in potentially hazardous environments. This is especially useful when measuring stockpile volumes on active sites, surveying steep or inaccessible terrain, or mapping roads, rail, watercourses and coastlines.

UAV APPLICATIONS

UAV technology has developed rapidly within the last few years, fast becoming seen as a cost-effective method of quickly and accurately surveying, mapping and monitoring landforms and watercourses.   Recognising the technology’s potential from an early stage, Recon has utilised UAV technology for a number of different applications, some of which are shown below.

LAND DEVELOPMENT

  • Ortho and LiDAR-derived ground contours for design and pre-earthworks calculations
  • 3D visualisation from reality modelling
  • Architect concepts for demonstration purposes
  • Oblique photos for marketing purposes
  • Digitising of features such as kerbs, road crown and break-lines

MINING

  • DSM/contours for mine, quarry and stockpile volume calculations for mine/quarry stockpiles
  • Accurate snapshot in time
  • Data turned around within 24-48 hours of flight
  • Safer and faster than ground surveying slope faces
  • More cost-effective than field survey and more accurate than large format aerial photography

Transport

  • High resolution orthophotography via drone survey for planning and analysis of proposed road and rail routes
  • LiDAR-derived DTM of wider corridor, enabling a more comprehensive design
  • Supplements ground survey and is accurate enough for detailed design
  • Regular flights during construction assist with progress monitoring
  • DTM for month-end earthworks calculations
  • Vehicle-based LiDAR for surveying motorways and structures

FORESTRY

  • High resolution RGB orthophotography for asset management and harvest planning
  • LiDAR DTM for harvest road and haul planning
  • Species identification
  • Vegetation health surveys

LOCAL GOVERNMENT

  • Project specific flights covering new land development, infrastructure and assets
  • GIS aerial photography updates
  • DSM for development planning, line-of-site analysis
  • Unobtrusive data gathering for environment court cases, illegal earthworks, sensitive coastal developments etc
  • River and stream monitoring
  • Coastal mapping, erosion monitoring, cliff-face mapping using drone or boat-mounted LiDAR
  • Flood modelling
  • Tsunami modelling

UTILITIES

  • Power conductor, assets and pipeline aerial survey via drone LiDAR
  • DSM and ortho for monitoring hazards or ground movement
  • Orthophotography for property asset management
  • Ground, vegetation and pole height data for thermal upgrade/re-tensioning design
  • Mapping vegetation, modelling growth through repeat surveys
  • As-built surveys
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What is Lidar

WHAT WE PROVIDE

The data we obtain through the aerial mapping process can take various forms or formats, depending on what our clients require. These formats include:

  • Vertical or oblique images and video for marketing and inspection
  • Geo-referenced orthophotography
  • Digital surface model (DSM)
  • Digital terrain model (DTM) or contours
  • LiDAR pointcloud and bare-earth
  • 3D models of buildings and structures
  • Mapping and GIS datasets

CASE STUDIES

New Zealand Steel has been utilising Recon’s Unmanned Aerial Vehicle (UAV) mapping technology to accurately measure stockpile volumes on a regular basis at its Waikato North Head mine site. The technology has resulted in faster data acquisition turn-around times, as well as the elimination of survey staff from within potentially hazardous environments at the mines.

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