B08_ATCH_1_SALIENTS_S23162.pdf

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Attached to
CURRENT PROFILING SYSTEM IAW SALIENTS Federal contract opportunity
Solicitation number
140G0123Q0320
Issued by
Department of the Interior US Geological Survey Office of Acquisitions and Grants

About this file

This document outlines the salient characteristics for a current profiling system procurement by the Department of the Interior US Geological Survey Office of Acquisitions and Grants. The system must include a portable, self-contained, five-beam acoustic Doppler current profiler with bottom tracking capability from 0.1 to 6 meters, operating at 3 MHz frequency with a sampling rate of at least 1 Hz. Additional requirements include a profiling range of 0.1 to 6 meters with 1% accuracy, water velocity measurement from +/- 5 m/s, capability to measure 128 velocity cells from 2.5-30 cm in size, and integrated sensors for temperature, compass, and tilt. The system must operate on an internal rechargeable battery for at least 7 hours, be waterproof with an IP67 rating, and weigh less than 1 pound. Associated equipment includes a flotation platform, transport case, accessories such as batteries and cables, and GNSS rover smart antenna.

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Sol_140G0123Q0320_Amd_0001.pdf PDF
B08_ATCH_3_FISMA_S23162.pdf PDF
Sol_140G0123Q0320.pdf PDF
B08_ATCH_2_508_S23162.pdf PDF

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Text version

Salient Characteristics S23162

CURRENT PROFILING SYSTEM FOR DISCHARGE MEASUREMENTS

Salient Characteristics

2 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, transport Bluetooth radio, GNSS rover, smart antenna ADCP, transport case, flotation platform with backpack carrying case, and accessories.

3. Shall include Broadband and Pulse-coherent acoustic processing technologies.

4. Shall have bottom tracking capability with a depth range of at least 0.1 to 6 m.

5. Shall include a 5-beam configuration, including a vertical beam, capable of operating at 3 MHz frequency.

6. Shall have a sampling frequency of at least 1 Hz.

7. Shall have a profiling range from at least 0.1 to 6 m with an accuracy of 1% +/- 0.002 m/s, or better.

8. Shall have a water velocity range from at least +/- 5.0 m/s.

9. Shall be capable of measuring at least 128 cells throughout the water column with a cell size of 2.5-30 cm.

10. Shall have a velocity resolution of 0.001 m/s, or better.

11. Shall include built-in temperature, 360 degrees magnetic compass, and 2-axis tilt sensors.

12. 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.

13. Shall be capable of operating on an internal rechargeable, replaceable battery with up to at least 7 hours operating life on a single charge.

14. Shall have an Ingress Protection (IP) rating of at least IP67 (waterproof) or better.

15. The ADCP shall be no larger than 24 cm (9.5”) x 5 cm (2.2”) in size and weight no more than 0.45 kg

(1.0 lbs.).

16. Shall be capable of operating over a temperature range from at least -5 to 45o C.

17. Shall include GNSS rover smart antenna.

18. Shall include a flotation platform equipped with a self-propelled propulsion system and remote control.

Platform shall include facilities for mounting the ADCP, smart antenna, and motor/battery controller package. Shall be no larger than 2 ft. wide x 3 ft. long and weigh no more than 10 pounds.

19. Shall include a ruggedized transport case for housing the ADCP, GNSS smart antenna, and accessories.

20. System shall be supplied with all applicable accessories including, but not limited to, batteries, battery charger/wall adapter, cables (i.e. radio,), and antenna.

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