# SAM #RFQ516619 ORNL seeks Vertiv-Liebert precision air conditioning system **Buyer:** UT-Battelle **Posted:** November 02, 2026 **Respond By:** November 09, 2026 **Identifier:** RFQ516619 **NAICS:** 333415, 423730, 423740 Oak Ridge National Laboratory is seeking a precision cooling system for computer-room use. - **Government buyer:** Department of Energy, Oak Ridge National Laboratory (ORNL), National Security Science Directorate. - **OEM:** **Vertiv-Liebert**; the solicitation allows equivalent systems. - **Requested equipment:** One PAC system consisting of a 35 kW indoor CRAC unit (model DS035A) and a 56 kW outdoor condenser (model MCS056). - **Key requirements:** iCOM controls, BACnet, three-phase 208V power, air-cooled operation, NRTL compliance, indoor capacity of 7–35 kW, and outdoor condenser capacity of 7–56 kW. Indoor discharge must be front or top, not downflow; ambient temperature capability must be at least 95°F. No humidification, reheat, or additional accessories are required; gravity condensate drainage is acceptable. - **Delivery and support:** Delivery by late 2026 is preferred. Factory startup and commissioning are required, and the minimum one-year warranty begins at startup. Quotes should include product data sheets and proof of authorized reseller status. - **Notice update:** A Questions and Answers attachment was added; no scope or deadline changes are stated. ### Description

he National Security Science Directorate at Oak Ridge National Laboratory is seeking to procure a Vertiv-Liebert 35 kW Indoor CRAC Unit DS035A w/ MCS056 56 kW Outdoor Condenser, or equivalent Precision Air Conditioning (PAC) systems, with the following criteria per the SOW . Interested offerors should refer to Attachment C- Bill of Materials for detailed specifications.
 
Attachments: 
Attachment A - ORNL Terms and Conditions – Purchase Order Commercial Products & Services Under the Simplified Acquisition Threshold – BSD-CS-2154 (09/30/2026)
Attachment B - Prime Contract Flowdowns Prime Flowdown Clauses- (BSD-CS-2258, dated 09/30/2026)
Attachment C Bill of Materials PR516619 - Bill of Materials
Attachment D Representations and Certifications Representations & Certifications – Abbreviated (BSD- CS-2260, dated 03/09/2026)
 

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