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The INTERIOR, DEPARTMENT OF THE | US GEOLOGICAL SURVEY has issued a Tender notice for the procurement of a Infrasound Acoustic Monitors in the USA. This Tender notice was published on 01 Jul 2026 and is scheduled to close on 10 Jul 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 144317083, while the tender notice number is 140G0326Q0153 and Registering on the platform.
Procurement Summary
Country: USA
Summary: Infrasound Acoustic Monitors
Deadline: 10 Jul 2026
Posting Date: 01 Jul 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 144317083
Document Ref. No.: 140G0326Q0153
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Login to see detailsTender Details
This is a notice of intent to solicit from a single source.The U.S. Geological Survey (USGS), intends to award a purchase order with Chaparral Physics Geophysical Institute of the University of Alaska in Fairbanks, Ak for infrasound acoustic monitors as described in the required specifications attached. Award will be made in accordance with Federal Acquisition Regulation FAR Part 12 Acquisition of Commercial Products and Commercial Services. Chaparral Physics is, to the USGS knowledge, the only source who meets the ability for infrasound sensor requirements for measuring a range of very weak to very strong infrasound acoustic signals in the frequency range produced by volcanoes are stringent. Ever-changing volcanic, meteorologic, and local environmental conditions means that measurements must be acquired at least one hundred times per second to detect signals of interest. For infrasound measurements, this means that the instrument sensitivity must be sufficient to obtain an adequate signal-to-noise ratio for the acoustic measurement in as short of an integration time as possible. This application measures acoustic signals travelling through the atmosphere which are affected by the previously mentioned changing conditions. Software compares the signals from all the sensors in the array to identify local noise conditions and filter their negative effect out of the acoustic signal produced by the volcano. All the infrasound sensors in the array must have tested and verified equal sensitivity for processing software to achieve the desired noise cancellation effect. The Chaparral sensor meets the environmental requirements and has a power consumption less than 150mW, which is the only known source for small solar based systems.The purpose of this notice is to satisfy the requirements of FAR 5.101(c)(4)(vii). This notice of intent is not a request for competitive quotes. However, all responsible parties may submit a capability statement by the closing date of this announc...
Notice ID: 140g0326q0153
Department/Ind. Agency: interior, department of the
Sub-tier: us geological survey
Office: office of acquisiton grants
Product Service Code: 6625 - electrical and electronic properties measuring and testing instruments
NAICS Code: 334515 - Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
Inactive Dates: jul 28, 2026
Inactive Policy: manual
Documents
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