Health Monitoring of Roller Bearings Using Resonant Ultrasound Spectroscopy(RUS)

SOL #: FR26RDI2000000003Special NoticeSole Source

Overview

Buyer

Transportation
Federal Railroad Administration
693JJ6 FEDERAL RAILROAD ADMIN
WASHINGTON, DC, 20590, United States

Place of Performance

Albuquerque, NM

NAICS

Research and Development in the Physical (541715)

PSC

Transportation R&D Services; Surface Transportation, Public Transit, And Rail; Basic Research (AS11)

Set Aside

No set aside specified

Timeline

1
Posted
Apr 16, 2026
2
Action Date
May 3, 2026, 6:00 PM

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The Federal Railroad Administration (FRA) intends to award a sole-source contract to BlueHalo Labs LLC for the Health Monitoring of Roller Bearings Using Resonant Ultrasound Spectroscopy (RUS). This is a follow-on requirement to advance a RUS-based roller bearing inspection system, building on previous work under Contract No. 693JJ624C000042. This notice is for informational purposes only and is not a request for competitive proposals.

Scope of Work

This effort aims to advance a Resonant Ultrasound Spectroscopy (RUS)–based roller bearing inspection system. Under prior FRA sponsorship (Phase 1), BlueHalo Labs LLC demonstrated the technical feasibility of RUS combined with machine-learning–based anomaly detection for identifying internal roller bearing defects. Phase-1 activities established the Roller Bearing Damage Detector (RBDD) concept, validated laboratory performance, and demonstrated sensitivity to early-stage bearing damage using resonant-vibration spectral peak identification and alignment techniques, and unsupervised anomaly detection models. The project addresses the persistent safety and operational risk posed by railcar roller bearing failures to the U.S. rail network.

Contract & Timeline

  • Type: Notice of Intent (NOI) to Award a Sole Source Contract
  • Intended Awardee: BlueHalo Labs LLC
  • Authority: FAR 6.302-1, implemented by 41 U.S.C. § 3304(a)(1), "Only One Responsible Source."
  • Period of Performance: May 4, 2026 - November 3, 2027
  • Published: April 16, 2026

Set-Aside

This is a sole-source action; therefore, no set-aside designation applies.

Response Instructions

This is not a request for competitive proposals. However, interested parties may submit a capability statement demonstrating the ability to perform the RUS continuation effort without disruption, duplication of cost, or loss of program continuity. Capability statements must be received no later than May 3, 2026, by 2:00 PM Eastern Time. Oral communication will not be accepted. No solicitation document exists.

Contact Information

People

Points of Contact

Akwasi KankamPRIMARY

Files

Files

No files attached to this opportunity

Versions

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Special Notice
Posted: Apr 16, 2026
Health Monitoring of Roller Bearings Using Resonant Ultrasound Spectroscopy(RUS) | GovScope