Intent to Sole Source - Brandon Road Acoustic Transducers

Intent to Sole Source: The U.S. Army Corps of Engineers, Rock Island District (MVR), intends to procure 280 quantity Lubell LL 1424 HP, Underwater Acoustic Transducers for the Brandon Road Interbasin Project., on a sole source basis with Lubell Labs, Inc. in accordance with 41 United States Code 1901 as implemented in Federal Acquisition Regulation 13.501(a)(1)(ii), sole source (including brand name) under the authority of the simplified procedures for certain commercial items.

MVR requires transducers that meet certain design and performance specifications outlined below:

• Piezoelectric underwater acoustic transducer


• Test data on the speaker performance across a frequency range by sound pressure levels (dB 1 re μPa @ 1 m).


• Frequency range 200 Hz to greater than 8000 Hz, omni-directional


• Loudness greater than 170 dB across the frequency range of 200-8000 Hz


• Ability to be placed between 9-40 feet without compensation


• Wet contact, military grade bulkheaded connectors, male and female, MIL A-8625 anodized aluminum, MCIL3F // MCDLS-F // (PRO) Subconn on 24 inch 3/C SOOW pigtails on one end of each pair of connectors.


• Speaker housing to withstand harsh environments (i.e., not pools) made of anodized aluminum, AL-MAG (aluminum magnesium)


• Speaker housing to withstand corrosion (Mil-A-8625 specification) and with a secondary coating of LINEX


• Housing capable of being placed in a cage without damage to adhering the cage to the speaker


• Speakers designed for continuous long-term playback when driven by 75-80 Vrms, no more than 14 Amps, and ability to be used with off the shelf amplifiers

MVR intends to enter into a firm-fixed-price contract with Lubell Labs, Inc. The NAICS Code for this procurement is 334310 with a Small Business Size Standard of 750 employees.

THIS NOTICE IS NOT A REQUEST FOR COMPETITIVE QUOTES and no solicitation will be issued. However, any business firm that believes it can meet the requirement may give writing notification to the Contracting Officer in the form of a capability statement. Supporting evidence shall be in sufficient detail that demonstrates the ability to comply with the requirements listed, and must be furnished to the point of contact listed below by Tuesday, November 18, 2025 at 2:00 PM CST.

A determination by the Government not to compete this proposed contract based on responses to this notice is solely within the discretion of the Government. Information received will be considered solely for the purpose of determining whether to conduct a competitive procurement.

MVR will not reimburse for any costs connected with supplying sufficient detail to demonstrate the ability to comply with the requirements listed. In order to receive a Government award, a firm must be registered in the System for Award Management (SAM) (https://sam.gov/). Firms must register on a one-time basis, and annually confirm accuracy and completeness of registration information.

Questions should be directed to Contract Specialist, Stanley Bolton via email at stanley.l.bolton@usace.army.mil.