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1. Can we use more than two units, for example, a mesh network?

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   2 comments  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR2: Development of Next Gen End of Train Device Technology  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

2. who are the intended end-users of the device and what are their needs in terms of a usable interface for secure data collection

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   0 comments  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR1: Non-Destructive Longitudinal Rail Stress Measurement Device  ·  Edit…  ·  Delete…  ·  Admin →
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   Kim Bowman shared this idea  ·  Jan 29, 2025

3. Has ultrasonics been considered as a solution to this problem? If not, why not? If so, why was it rejected?

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR1: Non-Destructive Longitudinal Rail Stress Measurement Device  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

4. What is the approximate magnitude of stress that is desired to be detected?

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR1: Non-Destructive Longitudinal Rail Stress Measurement Device  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

5. How could I go about obtaining test samples of rail sections with negligible and significant levels of internal stress?

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FR1: Non-Destructive Longitudinal Rail Stress Measurement Device  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

6. Who are the intended end-users for a Lidar-based tire inspection technology

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   0 comments  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Edit…  ·  Delete…  ·  Admin →
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   Kim Bowman shared this idea  ·  Jan 29, 2025

7. Please specify requirements for LiDAR eye safety such as wavelength and peak/average laser power.

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

8. How can a handheld LiDAR be used to acquire data for multiple tires of freight trucks?

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

9. LIDAR phone required?

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   1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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   Kim Bowman supported this idea  ·  Jan 29, 2025

10. For this topic will there be a tire dataset provided? If so what would be a rough magnitude estimate of the size of the dataset?

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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    Kim Bowman supported this idea  ·  Jan 29, 2025

11. We have a technology that combines Lidar with ultrasonic sensors to inspect the tire, is such a technical approach allowed?

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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    Kim Bowman supported this idea  ·  Jan 29, 2025

12. Are there any specific regulations or standards for the tire inspections?

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FM1: Lidar-Based Tire Inspection  ·  Delete…  ·  Admin →
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    Kim Bowman supported this idea  ·  Jan 29, 2025

13. are there test sites already designated for particular examples of concrete shrinkage issues?

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FH3: Concrete Shrinkage Measurement Device  ·  Delete…  ·  Admin →
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    Kim Bowman shared this idea  ·  Jan 29, 2025

14. Is any variation of optical fiber sensor acceptable for concrete shrinkage measurement?

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    1 comment  ·  U.S. DOT FY 2025 Phase I Pre-Solicitation Q&A » 25-FH3: Concrete Shrinkage Measurement Device  ·  Delete…  ·  Admin →
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    Kim Bowman supported this idea  ·  Jan 29, 2025