Notice of Intent to Award Sole Source

The U.S. Army Corps of Engineers Nashville District published a Notice of Intent to Award Sole Source on January 28, 2026, regarding the procurement of dissolved gas analysis (DGA) monitoring equipment. The Department of Defense is awarding this contract on a sole source basis without full and open competition. The procurement is for two Calisto R9 DGA monitors with associated accessories and services to be installed at the Barkley Power Plant in Kuttawa, Kentucky. The contract will be awarded to Doble Engineering, a small business based in Marlborough, Massachusetts, under a Firm-Fixed Price requirements contract. This special notice documents the contracting officer's justification for limiting competition to a single source.

The procurement aims to maintain equipment continuity and compatibility across the Nashville District's hydroelectric powerhouse systems while leveraging the Calisto R9's unique closed-loop design that eliminates consumable gas requirements and reduces long-term maintenance costs. The contract includes two Calisto R9 monitors, four stainless steel 20-foot flexible hoses, isolation valves, mounting stands, commissioning services, and personnel training. Work must commence within 30 calendar days of award, with physical completion of the base contract required 63 days after award and the overall contract ending 153 days post-award. The procurement is authorized under FAR 13.106-1(b)(1)(i) as a simplified acquisition not exceeding the simplified acquisition threshold. The contracting officer's justification emphasizes that Doble Engineering and Morgan Schaffer are the sole manufacturers and distributors of the Calisto R9, making competitive procurement impracticable and sole source award the appropriate acquisition method.