Closed Solicitation · DEPT OF DEFENSE

    Pad-Mounted Transformer

    Sol. W911S226U3773Combined Synopsis/SolicitationSet-aside: Total Small Business Set-Aside (FAR 19.5)FORT DRUM, NY
    Closed
    STATUS
    Closed
    closed Jul 29, 2026
    POSTED
    Jul 22, 2026
    Publication date
    NAICS CODE
    335311
    Primary industry classification
    PSC CODE
    6120
    Product & service classification

    AI Summary

    The Department of Defense is seeking proposals for a pad-mounted transformer rated at 750 kVA, with specific electrical and mechanical requirements. The transformer must comply with various standards and include detailed documentation upon delivery. The unit is to be delivered fully assembled to Fort Buchanan, Puerto Rico, within 40 weeks of contract award.

    Contract details

    Solicitation No.
    W911S226U3773
    Notice Type
    Combined Synopsis/Solicitation
    Set-Aside
    Total Small Business Set-Aside (FAR 19.5)
    Posted Date
    July 22, 2026
    Response Deadline
    July 29, 2026
    NAICS Code
    335311AI guide
    PSC / Class Code
    6120
    Contract Code
    2100
    Issuing Office
    W6QM MICC-FT DRUM
    Primary Contact
    Diana Ruiz
    State
    NY
    ZIP Code
    13602-5220
    AI Product/Service
    product

    Description

    Provide one Pad Mounted Transformer 750 kVA, 13.2 kV /208Y/120 V. Salient Characteristics: Furnish one (1) pad mounted, dead front, radial transformer, rated: ? Capacity: 750 kVA ? Phases: 3 ? Primary Voltage: 13,200 V (15 kV class) ?Secondary Voltage: 208Y/120 V ? Frequency: 60 Hz ? Phase: Three phase ? Cooling :ONAN ? Fluid: Mineral oil 2. Mandatory Physical Dimensions: The following dimensions are non negotiable: ? Height: 63?? inches (up to 64?? inches) ? Width: 65 inches ? Depth: May varies (existing is 41 inches) The Contractor shall confirm with proposal the manufacturing dimensions, either in writing or by a shop drawing, for government approval. 3. Mechanical and Construction Requirements: The transformer shall include: ?Stainless steel tank, cabinet and hardware (304) ? Dead front construction ? Pentahead security hardware ? ANSI 61 Grey color to match with existing enclosure ? Welded tank construction, sealed and pressure tested ? 1-inch Oil drain valve located on the primary side with 3/8-inch water sampler (required due to secondary side cable congestion) ? Arc-flash and safety labeling ? Lifting lugs and jacking pads ? Nameplate per ANSI C57.12.00 4.Electrical Requirements: ? Primary bushings: (6) 200 A load break wells with inserts for (3)LV and (3) 10KV arresters ? Secondary bushings: NEMA spade w/ supports terminals 10holes (3) LV and (1) neutral per ANSI ? Configuration: Radial Feed ? Impedance: Standard ANSI values for 750 kVA ? Taps: ?2 x 2.5% (standard 5 position no load tap changer) 5.Protection and Monitoring: The transformer shall include: ? Bayonet fuse with isolation link? Current limiting fuses ? Load break switch (2 position minimum) ? Nitrogen pressure gauge, test port and blanket ? Temperature gauge ? Pressure vacuum gauge ? Liquid level indicator ? Schrader valve Note: All gauges must be visible. 6. Compliance Requirements: The transformer must comply with: ? ANSI/IEEE C57.12 series ? DOE 2016 efficiency standards ? National Electrical Safety Code (NESC) ? National Electrical Code (NEC /NFPA 70) ? UFGS 26 12 19 ? Pad Mounted, Liquid Filled, Medium Voltage Transformers ?American Buy Act ? PCB-free oil certification ? UL Listed 002. Provide Factory routine test Reports Results and documentation as minimum: ? Insulation resistance test ? Winding resistance test ? Turns ratio (TTR) ?Polarity and phase-relation test ? No-load and load-loss test ? Dielectric test ? Excitation test ?Impedance test ? Applied and Induced potential tests ? Leak Test ? Oil quality test (dielectric strength, moisture, interfacial tension) ? Certified As-built drawings ? Certified test report signed by manufacturer ? Installation and OM manuals ? Warranty documentation (minimum 1 year) ? Destination to the federal facility Fort Buchanan, Puerto Rico00934 ? ECD: 40 weeks ? Unit must arrive fully assembled and ready for installation ?Packing slip must include contract number, PO number, and serial number? Minimum 1 year manufacturer warranty covering defects in equipment.

    Key dates

    1. July 22, 2026Posted Date
    2. July 29, 2026Proposals / Responses Due

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    Frequently asked questions

    Pad-Mounted Transformer is a federal acquisition solicitation issued by DEPT OF DEFENSE. Review the full description, attachments, and submission requirements on SamSearch before the response deadline.

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