National Academies Press: OpenBook

Highway Infrastructure Inspection Practices for the Digital Age (2022)

Chapter: Appendix C1 - Case Example Questionnaire for Construction

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Page 160
Suggested Citation:"Appendix C1 - Case Example Questionnaire for Construction." National Academies of Sciences, Engineering, and Medicine. 2022. Highway Infrastructure Inspection Practices for the Digital Age. Washington, DC: The National Academies Press. doi: 10.17226/26592.
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Suggested Citation:"Appendix C1 - Case Example Questionnaire for Construction." National Academies of Sciences, Engineering, and Medicine. 2022. Highway Infrastructure Inspection Practices for the Digital Age. Washington, DC: The National Academies Press. doi: 10.17226/26592.
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Page 161
Page 162
Suggested Citation:"Appendix C1 - Case Example Questionnaire for Construction." National Academies of Sciences, Engineering, and Medicine. 2022. Highway Infrastructure Inspection Practices for the Digital Age. Washington, DC: The National Academies Press. doi: 10.17226/26592.
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Page 162
Page 163
Suggested Citation:"Appendix C1 - Case Example Questionnaire for Construction." National Academies of Sciences, Engineering, and Medicine. 2022. Highway Infrastructure Inspection Practices for the Digital Age. Washington, DC: The National Academies Press. doi: 10.17226/26592.
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Page 163

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160 A P P E N D I X C 1 Case Example Questionnaire for Construction The objective of this synthesis is to document the various technologies used by DOTs to inspect highway infrastructure during construction and maintenance of assets. Information to be gathered includes: • The technologies used for inspection of new and existing highway infrastructure assets, focusing on geospatial technologies, remote sensing and monitoring, mobile software applications, and nondestructive evaluation methods; • The different methods used to assess the viability, efficiencies, and return on investment (ROI) of inspection technologies; and • How information from these assessments is being used (e.g., for construction project management, to allocate resources, to determine the condition of assets). AGENCY: _____________________________________________ INTERVIEWEE: _________________________________________ TIME AND DATE: _______________________________________ GENERAL INFORMATION 1. What division or section at your agency do you work in? Construction Asset Management Operations and Maintenance Other, please specify: __________________________ 2. Which of the following technologies are you able to discuss in terms of their use for construction inspection at your agency? Geospatial Remote Sensing and Monitoring Mobile Devices and Software Applications Nondestructive Evaluation Methods Yes Yes Yes Yes No No No No

Case Example Questionnaire for Construction 161   GEOSPATIAL TECHNOLOGIES 4. Which of the following geospatial technologies has been used by your agency to inspect highway infrastructure during construction? Global Navigation Satellite Systems (GNSS)/ Global Positioning System (GPS) Geographic Information Systems (GIS) Unmanned Aircraft Systems (UAS) (Note: UAS is also a remote sensing technology) Robotic Total Stations (RTS) Terrestrial Photogrammetry (TP) e-Ticketing 5. How are geospatial technologies used at your agency to conduct construction inspection? 6. Please explain the benefits and challenges your agency has experienced when using geospatial technologies for construction inspection. REMOTE SENSING & MONITORING TECHNOLOGIES 7. Which of the following remote sensing and monitoring technologies has been used to inspect highway infrastructure during construction? Light Detection and Ranging (LiDAR)/3D laser scanning Radio-frequency identification (RFID) Intelligent Compaction (IC) Remote Sensors (e.g., accelerometers, maturity meter sensors, strain gauges, etc.) (RS) Infrared sensors (e.g., thermal, motion detectors, object detection, thermal profiling) (IS) Remote Cameras (RC) Barcodes and Readers (BR) 3. How did your agency decide to implement these technologies for construction inspection? What are the driving forces in your agency for using/implementing these technologies? 8. How are remote sensing and monitoring technologies used at your agency to conduct construction inspection?

162 Highway Infrastructure Inspection Practices for the Digital Age MOBILE DEVICES AND SOFTWARE APPLICATIONS 10. Which of the following mobile devices and software applications has been used to inspect highway infrastructure during construction? 3D Engineered Models/BIM (3D) Automated Machine Guidance (AMG) Tablet computers/smartphones (TS) Handheld data collectors (e.g., Real-time Kinematics (RTK), Trimble Yuma) (HDC) Virtual Reality/Augmented Reality (VR/AR) 11. How are mobile devices and software applications used at your agency to conduct construction inspection? 12. Please explain the benefits and challenges your agency has experienced when using mobile devices and software applications for construction inspection. NONDESTRUCTIVE EVALUATION METHODS 13. Which of the following nondestructive testing methods (NDT) has been used to inspect highway infrastructure during construction? Ground-penetrating radar (GPR) Surface profile measuring systems Dynamic test loading for piles Ultrasonic testing Thermal integrity testing Cross-hole sonic logging for drilled shafts Falling weight deflectometers Nuclear density gauges Infrared thermography Magnetic imaging tools (MITs) Acoustic emission 14. How are NDTs used at your agency to conduct construction inspection? 15. Please explain the benefits and challenges your agency has experienced when using nondestructive evaluation methods for construction inspection. 9. Please explain the benefits and challenges your agency has experienced when using remote sensing and monitoring technologies for construction inspection.

Case Example Questionnaire for Construction 163   FINAL THOUGHTS 16. How does your agency evaluate the effectiveness and efficiencies of using these technologies for highway construction inspection? What are the main methods used for evaluation/assessment? 17. How does your agency use the results and the information obtained from these assessments/evaluations for construction project management and resource allocation? 18. What methods has your agency used to determine the return on investment from using technologies for inspections? 19. Do you have any examples of using technologies for construction and maintenance inspections that you would like to share? 20. What lessons learned has your agency gained from using technologies for conducting inspections? 21. What other technologies is your agency currently using for conducting inspections that were not discussed?

Next: Appendix C2 - Case Example Questionnaire for Asset Management »
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Historically, state departments of transportation (DOTs) have employed on-site workforces to execute infrastructure inspection using traditional inspection methods.

The TRB National Cooperative Highway Research Program's NCHRP Synthesis 582: Highway Infrastructure Inspection Practices for the Digital Age documents the various technologies - such as unmanned aircraft systems (UASs), embedded and remote sensors, intelligent machines, mobile devices, and new software applications - used by DOTs to inspect highway infrastructure during construction and maintenance of assets.

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