Preliminary Surveying

Rapid and innovative 3-D surveying with a UAV* or laser.

* “UAV” Unmanned Aerial Vehicle (drone) etc.

Solution

• UAV Survey
  Surveying a wide area can be accomplished in a short time

  • Establish evaluation points and verification points using anti-aircraft signs.
  • Automatically navigate along the flight route entered in a tablet etc.
  • A digital camera is mounted on the UAV.

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• Laser scanner surveying
  Acquire 3-D coordinate data in real time with high precision over a wide area.

  • Establish tie points (observation reference points). Scanning is done using a Laser scanner.
  • High precision 3D current state over a wide area achieved with minimum personnel.
  • Based on high point density, surface data with higher accuracy can be created.

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Design / Construction Planning

3D survey data (current state topography) and design drawings are converted into a three dimensional format, and the amount of construction (cut and embankment) is automatically calculated from the difference.

Solution

• 3D point cloud data
  Current 3D data conversion

  • Use a photo (surface measurement) taken by the UAV.
  • High density 3D point cloud is extracted from the surface measurement image.
  • Removes noise such as vegetation and completes as 3D data.

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• 3D design data creation
  3D data conversion of design

  • Design books are converted to 3D data (plan view, longitudinal, cross-sectional).
  • Data sent to construction machinery is converted based on 3D design data.
  • The amount of construction (cut and embankment) is calculated from the difference between 3D present condition data and 3D design data.

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• Calculation of earthwork volumes
  Refinement of soil volume calculation

  • Design books are converted to 3D data (plan view, longitudinal, cross-sectional).
  • Data sent to construction machinery is converted based on 3D design data.
  • The amount of construction (cut and embankment) is calculated from the difference between 3D present condition data and 3D design data.

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Construction

The ICT construction machine is set up based on 3D design data. Semi-automatic control improves productivity and safety. In addition, progress and completed work value volume can be confirmed.

Solution

• ICT Setup
  Realizing a new level of safety and productivity for ICT construction machinery

  • The setup of ICT construction machinery is supported with both hardware and software.
  • This provides consistent quality without being influenced by the skill level of the operator.
  • Based on the construction history, it is possible to determine the progress and calculate the completed work value (separate contract is required).

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• Provision of ICT construction machinery
  Realizing a new level of safety and productivity for ICT construction machinery

  • The setup of ICT construction machinery is supported with both hardware and software.
  • This provides consistent quality without being influenced by the skill level of the operator.
  • Based on the construction history, it is possible to determine the progress and calculate the completed work value (separate contract is required).

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• Completed work value volume calculation
  Realizing a new level of safety and productivity for ICT construction machinery

  • The setup of ICT construction machinery is supported with both hardware and software.
  • This provides consistent quality without being influenced by the skill level of the operator.
  • Based on the construction history, it is possible to determine the progress and calculate the completed work value (separate contract is required).

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Inspection

Utilizing UAV and performing inspections with a laser, etc., drastically reduces the amount of completed work quality documents. Achieve a reduction of inspection items.

Solution

• Completed work quality management
  Efficiency improvement and quality assurance is secured using 3D measurement equipment

  • Improve efficiency of drawing inspections using 3D design data.
  • Quality is achieved by quantitative calculation using planar measurement results.
  • Form creation using automatic judging of standard values in compatible software. Improved operation efficiency.

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