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RECON SERVICES

lidar

Recon offers drone LiDAR services to enable the surveying of complex and vegetated sites. LiDAR, or light detection and ranging, sends millions of pulses of light which reflect off the ground, trees and other features enabling the modelling and analysis of complex environments.

The benefits of lidar

LiDAR technology opens up a number of difficult environments to the powerful benefits of 3D surveying. In areas where a field survey is impractical or unsafe, and dense vegetation or other ground cover prevents the use of photogrammetry, a LiDAR drone survey is able to capture the survey data that no other technology can.
LiDAR works by sending out lasers which are then reflected back and capture distances from objects on the ground. During a drone flight, a LiDAR scanner is able to capture millions of 3D coordinates per second. The amount of data points that  LiDAR collects is what gives the technology its unique surveying capability. Even in dense vegetation, LiDAR surveying is able to collect enough points from the ground to accurately survey the underlying terrain.
This ability to distinguish between ground cover and underlying terrain also allows LiDAR to survey small but important man-made objects in 3D, such as power lines. While standard drone survey methods can’t survey objects that are small and visually difficult to distinguish, LiDAR technology is able to do so with ease.

LAND DEVELOPMENT

  • Ground contours or DTM
  • Engineering design with accurate data
  • 3D visualisation
  • Hydro modelling
  • Start the project with the best data from the outset

MINING

  • DTM or contours for mine exploration and design
  • Establish an accurate model over often tricky terrain
  • Rapid turn-around of data
  • Safer and faster than ground surveying
  • More cost-effective than field survey and more accurate than photogrammetry

Transport

  • Aids new route design for road and rail
  • Captures a DTM of a wider corridor, enabling a more comprehensive design
  • Supplements ground survey and accurate enough for detailed design
  • Captures buildings and structures critical for initial planning
  • Ideal for access track for forestry
  • Mapping roadside slips and monitoring change

FORESTRY

  • High resolution RGB orthophotography for asset management and harvest planning
  • DTM for harvest road and haul planning
  • Biomass calculation
  • Repeat surveys for monitoring vegetation growth

Environmental

  • Project-specific flights covering complex landscapes
  • Model underlying geomorphology
  • Pointcloud or surface layers provided in CAD or GIS formats
  • Unobtrusive data gathering for sensitive projects
  • River-edge and stream-edge mapping
  • Coastal mapping, erosion monitoring, cliff-face mapping
  • Flood modelling
  • Tsunami modelling

UTILITIES

  • Power conductor, assets and pipeline aerial survey via drone LiDAR
  • Accompanying high resolution aerial imagery
  • Hydro or large-plant 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 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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