Aaron Ansell from the
Huntington District’s Geospatial Section sets control targets for the Trimble
V-10 Terrestrial Photogrammetry unit to monitor Huntington Floodwall 11th Street
Pump Station Subsidence. Staff from the Huntington District’s Technical Support
Branch made a second 3-D scan of the project site to monitor the pump station
and surrounding wall sections for continued movement.
The team utilized the Faro
X-330 terrestrial, collecting close to 60 million 3d points on both the control
and river side of the floodwall along a 400’ section. The crew
plans to have the data processed in a week including a comparison to the scans
completed on the site in August of 2015. In addition to the
Faro-X330, the crew utilized the Trimble V10 Terrestrial Photogrammetry unit to
capture 39 photo stations.
Each photo station consists
of 12 high resolution images that capture a 360 degree panoramic photo on two
difference horizontal planes. These images can then be processed
and stitched to generate a 3D point cloud, giving the district an option in an
area where a 3-D scanner might not be the best solution for the project