SEPI Stays On Point With 3D Laser Scanning

Data accuracy

SEPI utilizes high definition 3D laser scanning technology to collect as many as 30,000 data points per second. This produces highly accurate point clouds.

Together with the actual photographs taken by the scanner, the data is processed and can be utilized in AutoCAD and/or MicroStation. The data is geo-referenced and with real x, y, z coordinates, providing three dimensional position of every point in the cloud.

For example, on the CATS LYNX Light Rail Survey project, SEPI collected cross-section data utilizing Robotic Total Station and high definition 3D laser scanning. Data collected allowed for temperature variations, settling, and other aspects that could affect movement in the tracks.

SEPI has the ability to scan substations, buildings, historical sites, transmission lines, roads, pipe networks, structures, quarries, bridges, intersections, and other facilities with survey accuracy.

Surveyor safety

High definition 3D laser scanning helps eliminate return site visits to capture missed data and limits the need for traffic control measures. It also creates a safer environment for the surveyor as the equipment can be operated remotely using WiFi.

These scans are used to produce as-builts/record drawings, volume calculations, and topographic mapping as well as identify settlements, deformations, and inconsistencies in construction.

On SEPI’s Northern High School Surveying project for Durham County Public Schools, considerable coordination was required with administrative and security staff to minimize disruptions of school and athletic field operations and avoid vehicle and pedestrian traffic conflicts.

SEPI utilized high definition 3D laser scanning to capture data points of existing school tennis courts, baseball field, and associated athletic facilities with minimal disruptions to school operations.

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