Water Quality Supply Order

**W912EE**

The U.S. Army Corps of Engineers - Vicksburg District (USACE-MVK), in accordance with the Revolutionary Far Overhaul Part 12 - Acquisition of Commercial Products and Commercial Services, intends to award a sole source supply order to YSI Inc. (CAGE Code: 97794) for the purchase YSI EXO-2 Sondes (12) and a Profiler Bouy. The Hydraulics Branch of the USACE Vicksburg District requires the purchase of these systems to measure the health of a designated water body.  The purchase of this YSI EXO-2 Sonde equipment required for this data collection task conforms with the existing equipment and software interface platform already in use by the Vicksburg District - Water Quality Section. The specific supplies needed are listed in the requirement list below:

1. EXO2 SONDE, 10 Meter Depth, 7 Sensor Ports, central wiper compatible

-           DEPTH RANGE: 0-10 METERS

-           AUX PORT FOR FUTURE EXPANSION

-           CONTAINS: SONDE, 4 "D" BATTERIES, CALIBRATION CUP, TOOL KIT, 4 PORT PLUGS, USB DRIVE

QTY:4

1. EXO Wiped Conductivity/Temperature Sensor

-           PURPOSE-BUILT FOR COMBATING SENSOR FOULING IN LONG-TERM MONITORING APPLICATIONS

-           ADDITIONAL CENTRAL WIPER BRUSH AND SENSOR BRACE INCLUDED

QTY: 4

1. EXO PH Sensor Assembly, unguarded TI

-           COMPATIBLE WITH ANY EXO SONDE

-           PATENTED USER REPLACEABLE SENSOR HEAD

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING 

QTY: 4

1. EXO Optical DO Sensor TI

-           COMPATIBLE WITH ANY EXO SONDE

-           USER REPLACEABLE SENSOR CAP

(INSTALLED)

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING

QTY: 4 

1. EXO TURBIDITY SENSOR, TI

-           COMPATIBLE WITH ANY EXO SONDE

-           WIDE RANGE SENSOR READS FROM 0-4000 FNU

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING   QTY: 4

1. EXO CENTRAL WIPER, TI

-           INSTALLS IN CENTER WIPER PORT ON EXO2 OR EXO3 SONDE ONLY

-           INCLUDES TWO WIPER BRUSHES AND INSTALLATION TOOL

-            USED IN UNATTENDED MONITORING DEPLOYMENTS TO REDUCE BIO-FOULING QTY: 4

1. EXO SENSOR BRACE KIT

-           INCLUDES 1 SENSOR BRACE AND O-RING SET (1 SMALL, 3 LARGE O-RINGS)

-           INCLUDES 2 SPARE O-RING SETS

QTY:4  

1. Power Assembly for T-Frame Profiler *Includes*-Battery Box- 12V Battery- Solar Regulator

QTY: 1

1. T-Frame Assembly for Profilers * Includes*- Two (2) 30 Watt Solar Panels- Two (2) custom fiberglass covers- Cable energy absorption bungee assembly

QTY: 1

1. 6980 - Winch Controller, PVC Case- Controller in sealed submersible PVC case- Includes submersible connectors- Telemetry and Metrological Options Quoted Separately

QTY:1

1. 6960 Depth Sounder Option (For NEW Pontoon Profilers ONLY)

QTY: 1

1. Carmanah M650- LED Beacon, High Power- 4 Mile Range- Self Contained Solar Power- Polycarbonate Construction- Mounted on System

QTY:1

1. PXA assembly, floating profiler

QTY:1

1. Complete Pontoon Profiler Shipping Crate. Holds both pontoon boat and T-Frame assembly. Dimensions: 168 x84 x84  (426cmX213cmX213cm). Weight 2000lbs (907kgs) complete.

QTY:1

1. 6955 - Vertical Profiler Winch Assy, 50M

QTY:1

1. 6691 Profiler Cable- For applications 5-50 meters-Polyurethane outer jacket, Kevlar reinforced braid-Molded Sonde connector, Flying leads

QTY:1

1. EMM Buoy Antenna Assembly

QTY:1

1. Customer Supplied Material, SIM card/Activation. Customer to supply SIM card and activate it with their local provider. Customer will be responsible for installation of SIM card in modem upon receipt of goods. Factory testing of complete system will be performed at YSI with known, good SIM card prior to shipment.

QTY:1

1. RV50X Cell Modem Kit Includes: -Sierra Wireless RV50X Industrial LTE Gateway Modem-DIN Rail Mount, RV50X Modem -Strain Relief, Ribbon Cable, 9-PIN -Extraneous hardware QTY:1

1. Profiler spares kit, floating and fixed platforms

QTY:1

1. Profiler Pontoon/Raft Assembly- Approximate dimensions (7-ft X 12-ft)- 1100lbs of net buoyancy-Aluminum Substructure- Stainless Steel Hardware- Aluminum Grated Decking QTY:1

1. EXO WIPED CONDUCTIVITY/TEMPERATURE SENSOR

- PURPOSE-BUILT FOR COMBATING SENSOR FOULING IN LONG-TERM MONITORING APPLICATIONS

- ADDITIONAL CENTRAL WIPER BRUSH AND SENSOR BRACE INCLUDED

QTY:8

1. EXO PH SENSOR ASSEMBLY, UNGUARDED, TI

-           COMPATIBLE WITH ANY EXO SONDE

-           PATENTED USER REPLACEABLE SENSOR HEAD

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING

QTY: 8

1. EXO OPTICAL DO SENSOR, TI

-           COMPATIBLE WITH ANY EXO SONDE

-           USER REPLACEABLE SENSOR CAP

(INSTALLED)

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING

QTY: 8

1. EXO TURBIDITY SENSOR, TI

-           COMPATIBLE WITH ANY EXO SONDE

-           WIDE RANGE SENSOR READS FROM 0-4000 FNU

-           INCORPORATES WET-MATE CONNECTOR AND WELDED TITANIUM HOUSING

QTY: 8

1. EXO2 ANTI FOULING GUARD

- SENSOR GUARD DESIGNED WITH COPPER ALLOY TO INHIBIT GROWTH AND EXTEND DEPLOYMENT TIME

 QTY: 8

1. EXO2 SONDE, 10 METER DEPTH, 7 SENSOR PORTS, CENTRAL WIPER COMPATIBLE

-           DEPTH RANGE: 0-10 METERS

-           AUX PORT FOR FUTURE EXPANSION

-           CONTAINS: SONDE, 4 "D" BATTERIES, CALIBRATION CUP, TOOL KIT, 4 PORT PLUGS, USB DRIVE

QTY: 4

1. EXO2 SONDE, 100 METER DEPTH, 7 SENSOR PORTS, CENTRAL WIPER COMPATIBLE

-           DEPTH RANGE: 0-100 METERS

-           AUX PORT FOR FUTURE EXPANSION

-           CONTAINS: SONDE, 4 "D" BATTERIES, CALIBRATION CUP, TOOL KIT, 4 PORT PLUGS, USB DRIVE

QTY: 4

1. EXO SENSOR BRACE KIT

-           INCLUDES 1 SENSOR BRACE AND O-RING SET (1 SMALL, 3 LARGE O-RINGS)

-           INCLUDES 2 SPARE O-RING SETS

QTY: 8

This is not a Request for Quote (RFQ), and no solicitation is available for this procurement. Nevertheless, any firm or individual that believes it can meet the Vicksburg District’s requirements described herein may submit a capabilities statement, which, if received by 2:00 PM CST on 26 August 2026, will be considered.  Responses to this posting must be submitted via e-mail, no phone calls will be accepted. A determination not to compete this purchase based upon responses to this notice is solely within the discretion of the Federal Government. Any questions or comments should be directed to Afton Riles, Afton.Riles@usace.army.mil.