PIEE #W911S226U3773

Pad-Mounted 750 kVA Transformer Procurement for Fort Buchanan, Puerto Rico

This procurement opportunity is issued by W6QM MICC-FT DRUM for Fort Buchanan, Puerto Rico. - Government Buyer: - W6QM MICC-FT DRUM (Mission and Installation Contracting Command, Fort Drum) - Place of performance: Fort Buchanan, Puerto Rico - Product Requested: - One pad-mounted, dead front, radial transformer - Capacity: 750 kVA - Primary voltage: 13,200 V (15 kV class) - Secondary voltage: 208Y/120 V - Three-phase, ONAN cooled, mineral oil filled - Stainless steel construction, ANSI 61 Grey color - Physical dimensions: Height 63–¼ to 64–¼ inches, Width 65 inches, Depth variable (existing is 41 inches) - Delivered fully assembled and ready for installation - Key Technical and Compliance Requirements: - Dead front design, pentahead security hardware, welded and pressure-tested tank - Electrical features: (6) 200 A load break wells (primary), NEMA spade secondary bushings, radial feed, ANSI impedance, five-position no-load tap changer - Protection/monitoring: bayonet fuse, current limiting fuses, load break switch, nitrogen pressure gauge, temperature gauge, pressure vacuum gauge, liquid level indicator, Schrader valve - Compliance: ANSI/IEEE C57.12 series, DOE 2016 efficiency, NESC, NEC/NFPA 70, UFGS 26 12 19, American Buy Act, PCB-free oil, UL listing - Documentation: Factory routine test reports, certified as-built drawings, installation and OM manuals, MSDS - Warranty: Minimum one-year manufacturer warranty - Notable Requirements: - Unit must be delivered fully assembled - MSDS must be included with offer submissions - Compliance with multiple U.S. standards and certifications is mandatory - OEMs are not specified by name, but major U.S. transformer manufacturers are likely to be eligible.

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: 63–¼ inches (up to 64–¼ 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.

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