This Government Contract opportunity from Department Of The Interior was posted on June 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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66--SILICON AUDIO BOREHOLE SENSORS

Awarded

140G0326Q0139Federal

Submission Closed06/29/2026, 10:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 334513

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AI Contract Overview

The U.S. Geological Survey, under the Department of the Interior, is conducting market research through a sources sought announcement to assess industry capacity for the acquisition of two Silicon Audio Model 203-60 high-sensitivity borehole accelerometers, designed as replacement units for existing seismic monitoring systems. These sensors are scientific-grade, 3-axis devices utilizing optical interferometric technology to deliver exceptional signal-to-noise performance, with a passband of 0.005 to 1500 Hz, sensitivity of 60 V/g, dynamic range of 172 dB, and noise levels as low as 0.5 ng/√Hz at 10 Hz. The sensors feature a compact 2.0-inch diameter by 14.5-inch length housing, operate within a temperature range of -35°C to +75°C, require 6–25 V DC power, and consume 150 mW of power. The agency has determined that Silicon Audio is the sole source capable of providing equipment that meets the exacting technical specifications and ensures full compatibility with legacy systems, justifying a sole source approach under FAR Part 12 for commercial items. This notice, issued under solicitation number 140G0326Q0139, is not a request for quotes but serves as a formal notice to satisfy RFO FAR Subpart 5.101(a) requirements and to allow all responsible parties an opportunity to submit product data sheets by June 29, 2026, at 1500 PST, exclusively via email to yangzhideng@usgs.gov. Responses submitted through hardcopy or web portals will not be considered, and the government retains full discretion to determine whether competition is warranted based on responses received. The action falls under NAICS code 334513 with a size standard of 750, and no pricing, delivery schedules, inspection criteria, or contract clauses are defined at this stage, as the purpose is strictly market research to inform future acquisition decisions.

General Info

USGS seeks suppliers for Silicon Audio Low-Noise Optical Seismic Sensors, submit by June 16, 2026.

Agency

Department Of The Interior → Office Of Acquisiton GrantsView Agency

NAICS

334513 - Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process VariablesView NAICS

Place of Performance

Set-Aside

NONE

Documents

(2)

Sole Source Justification for Borehole Sensor Acquisition

PDF•justification-and-authorization

Silicon Audio Model 203-60 Seismic Sensor Specifications

PDF•specifications

AI Contract Breakdown

Uniform Contract Format

Timeline

1 update

PhaseAwarded

PostedJun 11

Sources Sought

Amendment 1Jun 18

Contract was updated

AwardedSep 12

Contract was awarded

Submission Closed

06/29/2026, 10:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of The Interior → Office Of Acquisiton Grants

Contacts1 person available

OfficeSACRAMENTO, CA, 95819, USA

Organization / Agency

Department Of The Interior → Office Of Acquisiton Grants

View Agency Profile

Office AddressSACRAMENTO, CA, 95819, USA

Contacts

Deng Yangzhi

contact@example.gov

+1 (555) 000-0000

Full Description

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.