Silicon audio borehole sensors
Closed Special Notice Posted
- Solicitation number
- 140G0326Q0139
- Agency
- Office of Acquisitions and Grants US Geological Survey, Department of the Interior
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- PSC
- 6655 Geophysical Instruments
- Points of contact
-
- Yangzhi Deng yangzhideng@usgs.gov (916) 278-9326
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Geological Survey issued a notice of intent on June 18, 2026 to award a sole-source purchase order to Silicon Audio for two 203-60 replacement borehole accelerometers, with response deadline June 29, 2026 at 1500 PST. The USGS determined that Silicon Audio is the only source capable of providing equipment with the required technical specifications and ensuring compatibility with the existing borehole monitoring system. The sensors are needed as replacements for identical units currently installed in a network monitoring a geologic carbon capture and sequestration project; sensor failure would create significant downtime at critical seismic monitoring stations expected to operate for at least five additional years. Market research through a sources-sought notice posted on SAM.gov confirmed no other manufacturer can supply identical replacement sensors. Although this is a notice of intent and no competitive solicitation will be issued, any responsible party may submit a quotation by the closing date for agency consideration; the Government retains sole discretion to decline competition based on responses received. All submissions must be sent by email to yangzhideng@ios.doi.gov; hardcopy or web portal submissions will not be accepted. The procurement falls under FAR Part 12 commercial products authority and NAICS 334513.
Notice text
SILICON AUDIO BOREHOLE SENSORS
Notice of Intent
This is a notice of intent to solicit from a single source.
The U.S. Geological Survey (USGS), intends to award a purchase order to Silicon Audio for the purchase of two 203-60 replacement borehole accelerometers.
Award will be made in accordance with Revolutionary FAR Overhaul (RFO) Federal Acquisition Regulation (FAR) Part 12 entitled, Acquisition of Commercial Products and Commercial Services. Silicon Audio is, to the USGS¿ knowledge, the only source who can provide the equipment with the required technical specifications and ensure compatibility with the existing system.
The purpose of this notice is to satisfy the requirements of RFO FAR Subpart 5.101(a). This notice of intent is not a request for competitive quotes. However, all responsible parties may submit a quotation by the closing date of this announcement which shall be considered by the agency. No solicitation will be issued. A determination not to compete this action based upon responses received is in the sole discretion of the Government.
The NAICS code for this action is 334513, Instruments and Related Products Manufacturing for Measuring, Displaying and Controlling Industrial Process Variables.
Responses or inquiries shall only be accepted through electronic mail addressed to yangzhideng@ios.doi.gov and must be uploaded and received in their entirety no later than June 29, 2026 at 1500 PST.
Responses submitted by hardcopy or any web portal shall not be accepted or considered.
The attached sole source justification has been redacted in accordance with FAR 6.301.
Attachments
| File | Type | Posted |
|---|---|---|
| SSJ_borehole_sensor_Redacted_2.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Silicon audio borehole sensors | Special Notice | |
| Silicon audio borehole sensors | Pre-Solicitation |
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