Closed Solicitation · DEPT OF DEFENSE
AI Summary
The Department of Defense, specifically the Air Force, is seeking bids for five phase pad-mounted transformers with various voltage ratings, including 112.5 KVA and 750 KVA. The transformers must meet specific VSFB electrical requirements, including stainless-steel construction, dead-front design, and compliance with the 2016 DOE Efficiency Standard. An updated pricing sheet is available, and the solicitation is set aside for small businesses. Bids are due by May 30, 2025.
**Reason for updated solicitation: UPDATED pricing sheet** Five (5) phase pad-mounted transformers shall have the following voltage ratings: 112.5 KVA, 208Y/120, 12 kV 150 KVA, 480Y/277, 12 kV 300 KVA, 480Y/277, 12 kV 500 KVA, 480Y/277, 12.47 kV 750 KVA, 480Y/277, 12 kV In addition, the five phase pad-mounted transformers shall meet VSFB electrical requirements below: All stainless-steel construction (includes tank, cabinet, base, radiators, fasteners, hinges, etc.),stainless-steel grade shall be 304L or 316L (if available). "Pentahead" cabinet locking mechanism/device. Dead-Front construction (HV-200A load break elbows with shield adapters). Externally clamped LV bushings with threaded copper stud for full load current below 2,100.amperes - NEMA spades shall be provided per ANSI hole requirements. Radial feed or Loop feed Frequency: 60Hz. Windings: HV/LV copper Mineral Oil-filled (Non-PCB): Type FR-3 Fluid. Standard impedance. Mild steel high-voltage/low-voltage compartment barriers. Cooling fins. Proper grounding provisions. Dial type gauges for oil temperature, liquid level and pressure/vacuum. Bay-O-Net fuses & current-limiting fuses: properly sized - additionally, the transformer shouldbe equipped with three spare fuses. Two-position "ON/OFF" load break primary switch 5-position tap changer: (-5%, -2 ½ %, 0, +2 ½ %, +5%) Automatic pressure relief device mounted on the terminal compartment. Oil drain valve with sampling device, and an oil-fill/oil-level plug. Nameplate and NEMA safety labels: include a "UL Listed" symbol on ratings label andnameplate. Compliant with 2016 DOE Efficiency Standard. Four (4) lifting lugs. Entire exterior of the pad-mount transformer and terminal components shall be painted with aMunsell-Green, outdoor color-finish. Guaranteed to have an average coil winding temperature of 65°C rise over an average ambient airtemperature of 30°C when operated at rated voltage and load conditions. Provide DGA test to verify conformance to performance requirements as outlined in the latestrevisions of ANSI C57.12.00 and ANSI C57.12.90.
30 CES - Pad Mount Transformers (2 of 2) 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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