Attachment 2 - Salient Characteristics.pdf
PDF 871 KB Posted
- Attached to
- Transformers Federal contract opportunity
- Solicitation number
- FA460825QC067
About this file
Attachment 2 is a detailed specification document outlining salient characteristics for transformers to be procured by the Department of the Air Force Global Strike Command. The document specifies 20 key design requirements for transformers, including electrical specifications such as 12,470V Delta primary voltage, 95 kV BIL, copper windings, 30 kV BIL secondary voltage, and specific configuration details like tap settings, bushing types, and cooling class. Notable exceptions are noted for 150 kVA and 750 kVA transformer models, including allowable fluid types and bushing configurations.
Additional technical specifications cover frequency (60 Hz), temperature rise (65C), conductor material (Al/Al), tank material (mild steel), and physical attributes like liquid level gauge, dial thermometer, pressure vacuum gauge, and Schrader valve. The transformers must be painted Barksdale Brown with a black polymer undercoat and be UL Listed. This specification document is part of solicitation FA460825QC067, which is a small business set-aside for transformer procurement, with quotes due by 06 May 2025 at 1:30 PM CDT.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Amendment 02 - QA.pdf | ||
| Amendment 01 - QA.pdf | ||
| Attachment 1 - Provisions and Clauses.pdf | ||
| Attachment 3 - Equipment List.pdf |
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Text version
Salient Characteristics for Requested Transformers
The following minimum requirements pertain to all transformers.
Part 1 – Design
1.1 DESIGN REQUIREMENTS
1. All transformers are 12,470V Delta, 95 kV BIL primary.
2. All transformers must have copper windings
3. All transformers are 30 kV BIL secondary.
4. Taps: 2 above, 2 below @ 2.5%
5. HV bushings: (6) 15kV 200A Wells & Inserts (dead front loop feed)
6. LV bushings: (4) 4 hole spades
a. Exception is the 750 kVA: (4) 6 hole spades
7. Fluid: Mineral Oil
a. Exception is the 150 kVA: FR3 is allowable.
8. Frequency: 60 Hz
9. Temperature Rise: 65C
10. Cooling Class: ONAN
a. Exception is the 150 kVA: KNAN
11. Conductor: Al / Al
12. Tank Material: Mild Steel
13. Cabinet depth: standard
14. Liquid Level Guage
15. Dial type thermometer
16. Pressure Vacuum Guage
17. Schrader Valve
18. Pressure Relief Valve
19. Paint: Barksdale Brown (Federal FS 20117) w/ Black Polymer
Undercoat
20. UL Listed
FA460825QC067
Attachment 2
File details come from the government source that posted it. Updated .