Award 140G0126D0006 Justification for Other Than Full and Open Competition

Awarded Limited / Sole Source Justification Posted

Solicitation number
140G0126R0005
Agency
Set-aside
No set-aside

Opportunity facts

Contract number
140G0126D0006 Federal IDV award
Awardee
YSI Inc.

Notice details come from SAM.gov. Updated .

About this opportunity

The U.S. Geological Survey Water Mission Area intends to award a sole-source Indefinite Delivery/Indefinite Quantity contract to YSI, Inc. for hydrologic instruments and equipment, with an estimated value of $34.6 million and a five-year period of performance.

The justification for sole-source procurement under Revolutionary FAR Overhaul 6.301(b) rests on full compatibility requirements. All parts and accessories must be fully compatible with YSI's environmental data collection systems, and USGS market research confirmed that no other manufacturer produces equivalent equipment that can be modified to meet USGS specifications. While individual instrument components from other sources exist, no single vendor besides YSI can collectively provide the full range of required hydrologic instruments with SDI-12 interfaces and integrated repair and calibration services. The market research included continuous vendor engagement, industry trade show attendance, equipment evaluations, internet searches, and vendor visits.

The contract covers multiparameter water quality sondes and sensors with SDI-12 interfaces, non-contact water level radar systems, non-submersible bubbler systems, rain gages, acoustic Doppler water velocity systems (ADCPs), floatation systems, sensor cabling, and repair and maintenance services. Delivery and task orders will be issued on a fixed-price basis. The Hydrologic Instrumentation Facility supports critical USGS missions including nationwide flood control operations and water quality monitoring across multiple federal agencies, tribal nations, and state and local governments, representing tens of millions of dollars in prior federal investments. The justification was signed by contracting and technical officials between May 14 and May 28, 2026.

Notice text

U.S. Geological Survey (USGS) Hydrological Instrumentation Facility (HIF) Indefinite Quantity Contract - Justification for Other than Full and Open Competition posting in accordance with Revolutionary FAR Overhaul (RFO) 6.301(b)

Files

File Type Posted
JOFOC_YSI_5-26-2026_2.pdf PDF

Notice history

Notice Type Posted
This notice Latest Limited / Sole Source Justification
Replenishment of hydrological equipment stocked in the USGS Hydrological Instru Latest pre-solicitation Pre-Solicitation

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