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Platteville Students Learn Benefits of LiDAR & UAS Tech for Structural Inspections

by Jessica Pairrett 5. May 2017 09:29

Firm’s Diekfuss and Chapman teach engineering students how LiDAR and UAS technology benefit inspections of structures

 

Diekfuss and Chapman present on technology used during structural inspections

On April 20, Joe Diekfuss and Jon Chapman of R.A. Smith National presented to the University of Wisconsin–Platteville's American Society of Civil Engineers (ASCE) student chapter. Students listened to the presentation, “Incorporating LiDAR and UAS Technology in the Inspection and Evaluation of Existing Structures,” during their ASCE chapter’s final general business meeting of the year.

The presentation focused on recently completed case studies: (1) Settlement Monitoring of a Residence, Madison, Wis.; and (2) Structural Evaluation of the Taylor Hill Reservoir, Sheboygan, Wis. Through the presentation of these case studies, Diekfuss and Chapman discussed the benefits of using LiDAR and UAS technology during structural inspections. LiDAR and UAS technology provide increased efficiency, improved safety and accurate quantification of notably deficient areas discovered during structural inspections.

Diekfuss is a structural engineer and National Highway Institute (NHI) certified bridge inspector. Chapman is a survey project manager and Federal Aviation Administration (FAA) certified UAS pilot.

Case studies allowed students to see how LiDAR and UAS technology aid in the evaluation of structures through real-world examples. 

Case Study 1: Settlement Monitoring of a Residence, Madison, Wis. 

Case Study 2: Structural Evaluation of the Taylor Hill Reservoir, Sheboygan, Wis.

R.A. Smith National’s Chapman, Wandschneider, Harrocks and Sims Obtain the Latest UAS (Drone) Pilot Certification from the Federal Aviation Administration

by Karen Wiesneski 20. February 2017 05:37

UAS Services Are Among the Advanced Survey Technologies Offered at R.A. Smith National

R.A. Smith National’s Jon Chapman and Bill Wandschneider of the firm’s Brookfield, Wis. office and John Harrocks and David Sims of the firm’s Oakmont (Pittsburgh office) have each obtained the newest certification available from the Federal Aviation Administration (FAA) for flying a UAS (unmanned aircraft system, also known as a drone) for commercial purposes. On August 29, 2016, the FAA authorized 14 CFR Part 107, which covers a broad spectrum of commercial uses for drones weighing less than 55 pounds, including the establishment of the Part 107 remote pilot certification.

R.A. Smith National has used UAS technology for a variety of project applications for both public and private sector clients, including topographic and planimetric mapping, volumetric surveying, orthorectified imagery and inspection imagery (building facades, utility towers, erosion monitoring and erosion control inspection), and others.

Advantages of using UAS technology include enhanced data collection on a wide range of projects; ability to better map areas that may otherwise be difficult or unsafe to traverse; and in certain instances, a more cost-effective means of collecting data versus traditional methods.

R.A. Smith National has been at the forefront of expertise in UAS technology having obtained a Section 333 Exemption and associated blanket COA (certificate of authorization) from the FAA in 2015. The firm originally began using the technology in 2015 for research and development. The survey division at R.A. Smith National was able to quickly move into offering UAS services based on the staff’s technical aptitude and their 14 years of experience in the use of advanced survey technologies that include LiDAR capture (also known as 3D laser scanning) and data extraction/3D modeling. 

Richard Smith, president, is excited about the opportunities that advanced survey technologies have brought to R.A. Smith National and its clients. “At R.A. Smith National we are always looking for ways to save our clients time and money. The use of advanced survey technologies and the speed at which they are growing are phenomenal,” said Smith. “It’s exciting to see our staff using the latest technologies to more accurately and cost effectively collect survey data and overcome challenges that are plaguing our clients. While LiDAR capture as well as UAS services are becoming more mainstream in our industry, we believe that our staff excels not only in the use of these tools, but also in their real world application. We have been very successful in the integration of advanced survey technologies as extensions of our conventional surveying practices and only employ new solutions after they have been proven and vetted through sound research and development. We are excited about expanding our UAS services and will be making additional investments in this area in the near future.”

A UAS can be used to collect data and imagery that is processed using photogrammetric software to create 3D digital maps.

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