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This is a Request for Proposal (RFP) from Oak Ridge National Laboratory (ORNL) soliciting a firm fixed price proposal for a Modular Three-Phase Uninterruptible Power Supply (UPS) System. The solicitation number is 506995, with proposals due by October 2, 2026 at 5:00 PM EST. The offer validity period is 120 days, and award will be made to the lowest priced, technically acceptable offeror. This is not a small business set-aside. The NAICS code is 335999 (All Other Miscellaneous Electrical Equipment and Component Manufacturing), and the subcontract type is firm fixed price with an anticipated period of performance to be determined.

ORNL seeks a Vertiv APM2 Vertiv Liebert APM2 UPS system or domestic equivalent configured as a 100 kVA/kW, 480V three-phase unit with integrated input, bypass, and module breakers (three total breakers). The system must include two monitoring card slots with an IS-UNITY-DP network card factory installed for SNMP, Modbus, and BACnet interfacing, plus an IS-RELAY card for relay contact signals. The UPS must feature transformer-free modular architecture with 97.5% efficiency in double conversion mode, front-to-top airflow with top fan exhaust, and a large 9-inch backlit LCD display. Offerors must submit a firm fixed price quote with proposed delivery schedule, completed Representations and Certifications (BSD-CS-2260), and any exceptions to terms and conditions. Questions are due September 30, 2026 by 5:00 PM EST. The Procurement Officer is Brittanie Mack-Brewster at mackbrewstbc@ornl.gov. Applicable attachments include ORNL Terms and Conditions, Prime Flowdown Clauses, Bill of Materials, and Representations and Certifications documents.

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Request for Proposal: PR506995

Hello, Poten*al Offeror, Oak Ridge Na*onal Laboratory (ORNL) is invi*ng you to submit a Firm Fixed Price proposal/quote for the following items listed below. An award will be made based on the lowest priced, technically acceptable proposal.

Solicitation Number: 506995 Offers Due By: 10/02/2026 at 5:00PM EST Offer Validity Period: 120 days NAICS Code: 335999 — All Other Miscellaneous Electrical Equipment and

Component Manufacturing Subcontract Type Anticipated: Firm Fixed Price Small Business Set-Aside: No Description of Supplies/Services Sought: Modular Three-Phase Uninterruptible Power Supply (UPS)

System, 100 kVA/kW, 480V, Integrated Breakers and Monitoring Anticipated Subcontract Period of Performance: To Be Determined ORNL Procurement Representative: Brittanie Mack-Brewster (mackbrewstbc@ornl.gov)

Summary of Work/Descrip=on of Items:

ORNL is reques*ng a quote for the same or domes*c equivalent of a 1.0 Ver*v APM2 Ver*v Liebert APM2 Modular Three Phase VAC UPS System consis*ng and configured as follows: System Input/Output Voltage and Wiring: 480V-480V 3W + G, Configured Capacity Ra*ng kVA,kW: 100kVA/kW, Nameplate Capacity Ra*ng kVA,kW: 100: 100kVA/kW, Redundant N+1 Power Module: Not Included, UPS Na*ve Voltage/Wiring: 480V 3W + G, 60 Hz input to 50 Hz output, Input type: Single Input, Airflow: Front to Top Airflow- includes top fan exhaust, Cable Entry: Top. Wiring Cabinet or Aaached Ancillary required for boaom entry, Two Monitoring Card Slots: IS-UNITY-DP / IS-RELAY (IS-UNITY-DP: network card factory installed for SNMP, Modbus, BACnet interfacing to building Management Systems and environmental sensor support; IS-RELAY: Intellislot Relay Contact Interface Kit; P/N: IS-RELAY; Provides relay contact signals for "On Baaery", "Low Baaery", "On Bypass", "UPS Fault", "Summary Alarm"). Ver*v Liebert APM2 Standard Features Include:

Transformer-Free Modular and Scalable Architecture - Efficiency up to 97.5% in double conversion mode, UL and cUL Listed to UL Standard 1778 5th Edi*on, IP 20 rated enclosure, 65kAIC Ra*ng - Provides interrup*ng ra*ng and labeling of 65kA, Unity Power Factor Ra*ng - Delivers more usable power per kVA, Load Power Factor Support - Supports loads 0.5 leading and lagging to unity without de-ra*ng, Energy Op*miza*on Mode (Eco-Mode) up to 99% efficiency, Dynamic online mode up to 98.8% efficiency, Flexible energy storage (baaery) technologies, High capacity rated baaery charger, Latest genera*on three-level IGBT topology with Silicon Carbide converters, hot swappable HMI, bypass, power, and internal baaery modules allow service while under opera*on to protect cri*cal load from bypass, Seamless opera*on up to 50C° with auto-dera*ng above 40C°, Con*nuous Duty Sta*c Bypass Switch, Input Contacts - Dry contacts are available for func*ons including monitoring external breakers, on-generator signal, and other func*ons, Output Contacts - Dry contacts are available for func*ons including a permissive signal to maintenance bypass SKRU, to trip external breakers, and other func*ons, Generator Load Control - Suppresses baaery charging reducing power demand by an external signal. Shims unit from Eco Mode to double conversion (if applicable), and synchronizes the inverter output with the bypass, Automa*c retransfer - Provides return to inverter power amer an overload, DSP based controls - Provides digital control of power conversion and system opera*on, Large intui*ve 9” Backlit LCD HMI display - Monitors power conversion, UPS opera*on and u*lity condi*ons including maintenance bypass when provided, Waveform capture on UPS input power for troubleshoo*ng and analysis, Temperature-Compensated Charging/Baaery Load Test, Front only service access, Local and Remote Emergency Power Off (EPO), Casters and leveling feet, Suitable for against the wall with standard top fan airflow.Internal Input and Output Breakers The solu*on includes the following features: Breaker Configura*on: Three (3) breakers- (RIB, BIB, MIB) Cabinet Loca*on: UPS Cabinet Integrated, Cabinet Size (Width): UPS Cabinet Integrated.

Please provide the following documents in response to this proposal:

§ Quote: A firm fixed price quote with your proposed delivery schedule.

§ Representa=ons & Cer=fica=ons: Provide a completed and signed copy of the following aaached documents:

- Abbreviated Representa*ons and Cer*fica*ons (BSD-CS-2260, dated 03/09/2026)

§ Excep=ons: Any excep*ons taken to the terms and condi*ons listed below. You are requested to explain the reason(s) for the non-compliance and iden*fy any alternate solu*ons to achieve compliance. Any excep*ons that are taken to the provisions of this solicita*on will be considered in evalua*ng the Offeror’s proposal and may result in your offer being deemed non-responsive. The absence of a proposal sec*on en*tled “Excep*ons/Non-Compliance” or a statement indica*ng “no excep*ons are taken” implies complete and unequivocal acceptance of all requirements, terms, and condi*ons.

The following RFP Attachments and Special Provisions shall apply to any subcontract/purchase order as a result of this solicitation:

RFP ATTACHMENTS

Attachment No. Description Document Title (Date/Revision)

Attachment A ORNL Terms and Conditions Terms and Conditions – Purchase Order Commercial Items & Services Under Simplified Acquisition Threshold – BSD-CS-2154 (01/13/2026)

Attachment B Prime Contract Flowdowns Prime Flowdown Clauses- (BSD-CS-2258, dated (07/09/2026)

Attachment C Bill of Materials RFP506995 - Bill of Materials

Attachment D Representations and Certifications

Representations & Certifications – Abbreviated (BSD- CS-2260, dated 03/09/2026)

Special Provisions:

FAR 52.211-6 Brand Name or Equal shall apply

Important Dates:

§ Ques=ons: Ques*ons are due on 09/30/2026 by 5:00 PM EST. All ques*ons shall be provided in wri*ng via email to the Procurement Officer listed below.

§ Proposal Due Date: All proposals shall be submiaed via email to the Procurement Officer listed below by 5:00 PM EST on 10/02/2026.

Thank you, Briaanie Mack-Brewster Procurement Officer Strategic Support, Contracts Division Business Services Directorate

Oak Ridge Na=onal Laboratory 1 Bethel Valley Road, Oak Ridge, TN 37831 Email: mackbrewstbc@ornl.gov

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