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LRH Technical Suport Branch Monitors Movement of Huntington Floodwall Pump Station

LRH
Published Feb. 2, 2016
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.

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.

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