Description
The City of Danville is seeking bids for the provision of two 67 to 12.74/ 7.2 KV substation power transformers. The transformers should be suitable for outdoor service at an altitude less than one kilometer above sea level. The high voltage should be 67,000 volts delta at 350 kV BIL, and the low voltage should be 12,470/7,200 volts wye at 110 kV BIL. The transformers should be three-phase, 60 Hertz, and have a rating of 15/20/25/28 MVA. The bid should include the cost of delivery to the substation site, installation, and testing. The city prefers the transformers to be shipped oil-filled with the low-voltage bushings installed. The bid should also include the services of a field service engineer for final assembly and acceptance testing.
Some key points to consider:
• The transformers should be designed and constructed in accordance with the latest editions of the Standards of the ASTM, ANSI, AEIC, NEMA, IEEE, and NESC.
• The bid should include a compliance and exceptions checklist, which should clearly note any exceptions or deviations from the specifications.
• The city reserves the right to waive minor irregularities or errors in the bid if it appears that such irregularities or errors were made through inadvertence.
• The city will evaluate all data provided in the bid and select the bid that represents the best value to the City of Danville.
• The bid should include a warranty period of at least five years.