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RECON SERVICES

Aerial mapping

Recon is at the forefront of UAV (unmanned aerial vehicle) or drone technology, for aerial mapping a wide variety of landforms, offering hundreds of hours of experience utilising this fast, cost-effective data capture technology. Our comprehensive UAV mapping service provides full consultative service for clients; assessing survey requirements, planning flight missions, operating our fleet of UAVs and obtaining and delivering required data to clients quickly and efficiently.

The required survey data can be collected without the need for any personnel to set foot in a potentially hazardous environment. This is especially useful when measuring stockpile volumes on active sites, surveying steep or inaccessible terrain, or mapping 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 contours for design and earthworks calculations
  • 3D visualisation from orthophotography and DSM enabling
  • Architect concepts for demonstration purposes
  • Oblique photos for marketing purposes
  • Provides base data for capturing features such as kerbs 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 and more accurate than large format aerial photography or LiDAR

Transport

  • High resolution orthophotography for planning and analysis of proposed road and rail re-alignment
  • DSM and ortho 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
  • Data supplied within a few days following the flight

FORESTRY

  • High resolution RGB orthophotography for asset management and harvest planning
  • NIR orthophotography for vegetation mapping (normalised difference vegetation index (NDVI)
  • 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
  • Flood modelling
  • Tsunami modelling

UTILITIES

  • Power and pipeline greenfields route design
  • 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-builts

BUILDING AND STRUCTURAL INSPECTIONS

  • High-rise and bridge inspection
  • Post-construction completeness surveys
  • Power pole/pylon condition assessments
  • Pre-programmable flights utilising GPS navigation
  • The more affordable and low-risk alternative
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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)
  • Contours
  • 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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