Airborne lidar technology is widely accepted among power utility companies as an efficient tool for acquiring geo-referenced spatial data for various applications essential to power line asset management.
New route design can take the fundamental advantages of the lidar workflow which is all-digital format of its data collection, processing, analysis, delivery, and storage steps. By integrating high accuracy point cloud data and imageries with powerline GIS software workflow, it optimizes the route selection, tower construction site, cross section, data transfer, it realizes a seamless work flow from survey , designing, construction to transfer the asset to operation management. This maximizes the efficiency of the entire workflow, effectively avoiding duplication, saving investment. Furthermore, digital data acquired during an initial lidar survey can be archived and used to form the foundation of a permanently searchable and editable database, allowing subsequent time-based studies such as change detection.
As built powerline can use airborne LiDAR to modeling of existing routes and infrastructure, achieve a three-dimensional reconstruction of powerline corridor, recovery powerline corridor geospatial data, surface attachments (trees, buildings, etc.), the line sag, the position and the tower model, supplemented by powerline facilities and equipment parameters to achieve full digital line corridor asset management and visualization . It is often used in eengineering analysis/calculations for maintenance and upgrade, e.g. tower positions, sag analysis, thermal up-rate, load modeling, clearance and critical distances.