B08_ATCH_1_SALENTS.pdf

Salient Characteristics S25051

REAL-TIME ENVIRONMENTAL DATA BUOY SYSTEM

Salient Characteristics

This system shall consist of a floating platform (data buoy) that is outfitted with an environmental data logger with Iridium satellite telemetry, a weather station, CTD sonde interface components, depth sensor, and accessories. Also includes services for initial system setup and deployment.

Data Buoy w/Logger

2 ea. Environmental Data Buoy System:

1. Shall consist of a compact, self-powered, floating platform (data buoy) system that supports topside and subsurface environmental monitoring sensors such as weather stations, meteorological sensors, depth sensors, and multiparameter water quality sondes, and other related sensors.

2. The buoy shall be fitted with (3) 15-watt solar panels with a waterproof termination for charging two (2) 28 Amp-Hr batteries.

3. The buoy shall support mounting of both topside and subsurface sensors. Shall include a top plate for mounting an LED beacon, weather station mast and other sensor supports. The plate shall accommodate passage of multiple sensor cables and connectors.

4. The buoy shall be fitted with an integral waterproof battery compartment that provides adequate space for batteries and instrumentation. Shall include watertight power connectors on a sealed lid.

5. The flotation component (hull) shall be constructed of UV stabilized material and be capable of providing 200 lbs. of buoyancy.

6. The buoy structure shall consist of an internal stainless-steel frame with topside lifting and subsurface mooring eyes for both single-point and two-point moorings.

7. The buoy shall include a bottom stainless steel instrument cage with mooring eye for securing instrument clamps to accommodate water quality sondes and other subsurface sensors. The cage shall be removable for ease of maintenance and storage when not deployed.

8. Shall include three (3) 4-inch pass-through holes to allow sensor/cable pass-through and accommodate deployment pipes below the buoy.

9. The hull shall be yellow in color in accordance with international data buoy standards.

10. The buoy shall allow adequate topside space to accommodate various data logger with integrated telemetry modules including 4G LTE cellular, Iridium satellite and WiFi.

2 ea. Battery Assembly:

11. Shall consist of a battery assembly that can support 2 ea. 28 A-Hr batteries, and adequately fit in the buoy battery compartment described above.

12. Shall include solar regulator, battery (1 ea.), and tie-downs.

2 ea. Data Logger w/Iridium:

13. Shall consist of a data logger with Iridium satellite telemetry.

14. Shall have memory capacity of at least 8 MB of non-volatile memory.

15. Shall include SDI-12 and NMEA00183 sensor communications.

16. Shall be capable of being powered from 12 VDC (nominal) power.

17. Shall be housed in an IP rating of at least IP68 and be no larger than 5” in diameter x 5” in height.

18. Shall include at least 3ea. RS-232 ports and 1 RS-485 port for serial sensor interface.

19. Shall have (2) independent sensor switch power ports.

20. Shall include internal diagnostic features and be capable of measuring internal temperature, humidity, input power, and operating current.

21. Shall include RF signal connector, UW-6 power/communication port, and UW-8 sensor ports.

22. Shall be capable of operating over a temperature range from at least -40 to 70o C.

23. Shall be capable of transmitting its own latitude/longitude with each data transmission.

24. Shall include Iridium communications compatible with the Dept. of Defense and USGS Hydrologic

Instrumentation Facility networks.

2 ea. Solar Marine Light:

25. Shall consist of a self-contained solar-powered LED marine light with flange mount.

26. Shall have yellow output and be capable of producing 15 flashes per minute.

27. Shall have a nautical range of 1 to 3 miles.

28. Shall be capable of operating on user replaceable batteries with an operating life of at least 5 years.

29. Shall include programming remote and buoy mounting hardware including pole mount and fasteners.

2 ea. Ballast Weight:

30. Shall include a 15 lb. ballast weight for buoy stability.

8 ea. Zinc Anode:

31. Shall consist of a user replaceable sacrificial zinc anode that attaches to the buoy and provides cathodic protection.

1 ea. USB Interface Cable:

32. Shall consist of an interface cable with UW 6-pin plug to USB cable with 12 VDC power adapter.

33. Shall be capable of interfacing the logger described above to a computer.

Weather Station

2 ea. Weather Station

34. Shall consist of a compact weather station for measuring wind speed and direction.

35. Shall measure wind speed over a range of at least 0 to 60 m/s, with a resolution of 0.01 m/s, and an accuracy of 5% RMSE or better.

36. Shall measure direction over a range from 0 to 360o.

37. Shall include a GPS antenna receiver and compatible antenna capable of receiving signals from up to 48 satellites.

38. Shall be capable of being powered from an external 5-30 12 VDC power source.

39. Shall include an SDI-12, RS232, and RS485 communication interfaces.

40. Shall have no moving parts.

41. Shall have an Ingress Protection rating of at least IP66.

42. Shall include a built-in, 6-axis, compass.

43. Shall have a sample rate of at least 1 Hz.

44. Shall be capable of operating over a temperature range from at least -35 to 70o C.

45. Shall be capable of being mounted on a 1.75” diameter pole/mast.

46. Shall be no larger than 5.75” in dia. x 6.5” high.

47. Shall include a mating M-12 connector.

2 ea. Flying Lead Cable:

48. Shall be compatible with the data logger described above.

49. Shall consist of a 3m flying lead cable with UW plug and strain relief.

2 ea. Weather Station Mount:

50. Shall consist of a mount for securing the weather station to the data buoy.

51. Shall include all components including mounting adapter, antenna mast, O-ring(s), and corrosion-resistant fasteners for proper installation.

1 ea. Configuration Cable

50. Shall be compatible with the weather station described above.

51. Shall consist of 1.8 m configuration cable with USB and M12 connectors.

CTD Interface Components

2. ea. Cable Adapter:

52. Shall consist of a 3 m underwater cable adapter that connects the data logger to a Sea-Bird MicroCAT CTD sensor.

53. Shall include waterproof connectors and reinforcement to prevent stretching.

2 ea. Cage Mount:

54. Shall be compatible with the data buoy described above.

55. Shall consist of a bracket(s) and mounting hardware for attaching a Sea-Bird MicroCAT CTD to a buoy instrument cage as described above.

Depth Sensor

2 ea. Depth Sensor:

56. Shall consist of a single frequency sonar depth sensor with a stainless-steel housing and an operating frequency of 200 kHz.

57. Shall have a measurement range from at least 0.4 m to 175 m with a depth precision of no more than 0.25% of full range.

58. Shall be capable of operating from 12 VDC (nominal) power.

59. Shall be capable of transmitting NMEA 0183 data via an RS422 interface.

60. Shall include an underwater connector and a 3 m cable.

2 ea. Depth Sensor Mount:

61. Shall consist of a mount and hardware for attaching the depth sensor to buoy described above.

Anchor

2 ea. Anchors:

62. Shall consist of a 70 lb. one-piece cast iron or steel pyramid shaped anchor with attachment eyelet.

On-Site Support Services

63. The Contractor shall provide 2-days of on-site system and training support.

64. Support shall cover installation, operation, and deployment of all the buoy components, sensors, and the data logger described herein.

65. Shall include all travel expenses.