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THIS IS A SOURCES SOUGHT/REQUEST FOR INFORMATION ONLY. This is not a Solicitation Announcement, nor is it a Request for Proposal. The U.S. Army Corps of Engineers (USACE), Los Angeles District, is conducting market research to identify prime contractors capable of the design-build replacement of the chiller and control system for the Vertical Wind Tunnel (VWT) at Yuma Proving Ground, Arizona. This notice is for market research and planning purposes only and does not constitute a solicitation. The Government is not committing to awarding a contract based on this notice. Project Overview Project Title: Yuma Proving Ground (YPG) Vertical Wind Tunnel (VWT) Chillers Replacement Location: Yuma Proving Ground, Arizona, Building 2590 Estimated Magnitude of Construction: Between $1,000,000 and $5,000,000 Anticipated Contract Type: Firm-Fixed-Price, Design-Build (DB) Anticipated Period of Performance: 365 days Scope of Work: The anticipated scope of work is for a complete design-build solution to replace an existing 450-ton chiller with respective control system. The chiller system must provide reliable cooling performance under peak summer conditions and integrate with the VWT's main flight control system. The anticipated scope includes, but is not limited to, the following: Develop a complete design for the new chilled water system, capable of delivering its required cooling capacity at a 120°F ambient design temperature. The design shall include a full evaluation of existing electrical, HVAC, and plumbing infrastructure to identify all necessary upgrades. Perform all site work, including potentially constructing a new concrete pad for the chillers, shading structures, retaining walls, utility tie-ins, grading, and pavement repair. Removing existing airflow obstructions (e.g., retrofitted metal enclosures) for existing chiller units. Procure and install two new water-cooled chillers (approximately 1,000 tons total). Install a new, direct digital control system and hardware and software that corresponds with the new chillers. Ensure the new chiller control system seamlessly interfaces with the VWT's main flight control system, accepting commands from and providing status to the main operator's console and the main base Energy Monitoring and Control System (EMCS). Assess the replacement of the VWT's main flight control system to ensure appropriate interface with the new chiller control system. Procure and install as recommended by the assessment. Upgrade electrical service transformer and switchboard for new chiller system. Assess replacement options for existing Variable Frequency Drives (VFDs) for vertical wind tunnel fans. Procure and install new Variable Frequency Drives (VFDs) as recommended by assessment. Provide full system testing, adjusting, and balancing (TAB), including robust operational checks at high-throttle to prove performance under peak load. Provide a comprehensive warranty and a plan for long-term operation and maintenance suppor…

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