Five-beam current profiling system IAW salients

The U.S. Geological Survey California Water Science Center is procuring a Five-Beam Current Profiling System, specifically a Nortek Signature 500 Acoustic Doppler Current Profiler system with multiple specialized components including a 5-beam head, current profile licenses, sensors, and housing. The system must meet detailed technical specifications including a 500 kHz operational frequency, 60-meter water velocity profiling range, 0.3% velocity measurement accuracy, and various integrated sensors for temperature, compass, tilt, and pressure measurements. The solicitation is being conducted as a Request for Quote (RFQ 140G0125Q0211) on a brand name or equal basis, allowing contractors to propose equivalent alternatives to the specified Nortek equipment. Written quotes are due on August 28, 2025 at 11:00 AM Eastern Time, with questions accepted until August 26, 2025 at 11:00 AM Eastern Time via email to Cynthia Nicanor at cnicanor@usgs.gov. The anticipated contract award date is September 20, 2025, and vendors must be registered in the System for Award Management (SAM) to be eligible for award.

This procurement is designated as a 100% total small business set-aside under NAICS code 334513 with a size standard of 750 employees, restricting competition to qualifying small businesses. The solicitation specifically identifies Nortek equipment as the preferred solution, suggesting potential brand preference or technical standardization requirements within the USGS operations. While no specific contract value is disclosed in the available documentation, the procurement involves sophisticated scientific instrumentation with multiple technical licenses and components. The contractor must deliver the complete system to West Sacramento, California within 30 days of receiving the purchase order. Performance will occur at the California Water Science Center location, and the procurement falls under Product/Service Code 6695 for Combination and Miscellaneous Instruments, indicating the specialized nature of this scientific measurement equipment.