B08_ATCH_1_SALIENTS.pdf
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- Attached to
- Current Profiling System IAW Salients Federal contract opportunity
- Solicitation number
- 140G0125Q0064
About this file
This is a Salient Characteristics document that specifies the technical requirements for a Current Profiling System for discharge measurements, being solicited by the USGS Hydrologic Instrumentation Facility. The system must be a portable, self-contained, five-beam Broadband Acoustic Doppler Current Profiling (ADCP) system for measuring discharge in rivers and streams.
The required system includes detailed specifications for an ADCP unit that must operate at 3 MHz frequency, have a profiling range of 0.1 to 6m, sampling frequency of at least 1 Hz, and velocity resolution of 0.001 m/s or better. The complete package must include an RTK GPS positioning system, flotation platform (no larger than 21" x 31"), ruggedized transport case, and software for data visualization and processing. Additional requirements specify Bluetooth connectivity with 100m range, IP67 waterproof rating, rechargeable battery with 7-hour life, and operating temperature range of -5 to 45°C. An adapter kit for use with larger flotation platforms is also required. The solicitation (140G0125Q0064) is scheduled to be issued around 2/25/2025, with quotes due 3/4/2025, and anticipated award date of 3/31/2025. This is a full and open competition under NAICS code 334513 with a size standard of 750 employees.
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| File | Type | Posted |
|---|---|---|
| Sol_140G0125Q0064.pdf |
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Text version
Salient Characteristics S25026
CURRENT PROFILING SYSTEM FOR DISCHARGE MEASUREMENTS
Salient Characteristics
1 ea. Current Profiling System:
1. Shall consist of a portable, self-contained, five-beam, Broadband, Acoustic Doppler Current Profiling
(ADCP) system for discharge measurements in rivers and streams.
2. The system shall be comprised of an ADCP, RTK GPS positioning system, flotation platform, ruggedized transport case, soft case/backpack for float, and accessories.
3. Shall include Broadband and Pulse-coherent acoustic processing technologies.
4. Shall have bottom tracking capability with a depth range capability of at least 0.1 to 6 m.
5. Shall have a built-in magnetic compass.
6. Shall include a 5-beam configuration, including a vertical beam, capable of operating at 3 MHz frequency.
7. Shall have a sampling frequency of at least 1 Hz.
8. Shall have a profiling range from at least 0.1 to 6 m with an accuracy of 1% +/- 0.002 m/s, or better.
9. Shall have a water velocity range from at least +/- 5.0 m/s.
10. Shall be capable of measuring at least 128 cells throughout the water column with a cell size of 2.5-30 cm.
11. Shall have a velocity resolution of 0.001 m/s, or better.
12. Shall include built-in temperature and 2-axis tilt sensors.
13. Shall have integral Bluetooth low energy radio communications with a range of at least 100 m.
Bluetooth shall include an automatic reconnection feature with the ability to buffer data in the event of communication loss.
14. Shall be capable of operating on an internal rechargeable, replaceable battery with up to at least 7 hours operating life on a single charge.
15. Shall have an Ingress Protection (IP) rating of at least IP67 (waterproof) or better.
16. The ADCP shall be no larger than 2.5” x 10” in size and weight no more than 1.5 lbs.
17. Shall be capable of operating over a temperature range from at least -5 to 45o C.
18. Shall include a compatible RTK positioning system including RTK GNSS rover and RTK GNSS base station smart antennas with tripod. Shall also include necessary rechargeable batteries, interface cable(s), mounting hardware and adapters, and GNSS firmware.
19. Shall include a flotation platform equipped with a tether. Platform shall include facilities for mounting the ADCP and smart antenna. Shall be no larger than 21” wide x 31” long and be capable of supporting speeds up to at least 10 ft/sec.
20. Shall include a custom soft carrying case/backpack for transporting the floatation platform.
21. Shall include a ruggedized transport case for housing the ADCP, smart antenna, and accessories.
22. Shall include an interactive application that provides data visualization and full processing compatibility for the ADCP described herein. Software shall include functionality for communicating with the ADCP, collecting real-time data, data viewing, plotting, and graphing, post processing, analysis, and exporting data.
1 ea. Adapter Kit
23. Shall consist of a kit that includes a GPS adapter and antenna mast, and/or other hardware, for using the above described system on larger flotation platforms that are capable of supporting higher velocities.
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