Batavia XFMR Purchase_Addendum _2 NEW BID DATE.pdf

This is an addendum to a transformer purchase solicitation issued by the City of Batavia, Illinois, for northeast and southeast substation upgrades. The project requires the procurement of one 138kV to 34.5kV power transformer equipped with an on-load tap changer (OLTC). All materials, sizes, and capacities must conform to the National Electric Code, National Electrical Manufacturers Association standards, ANSI standards, IEEE standards, and prevailing state and local electrical codes, with materials bearing UL labels where possible. The original bid due date has been extended to October 23, 2026, with the time and location remaining unchanged from the original solicitation.

The addendum specifies that all transformer specifications must comply with multiple IEEE standards including C57.12.00 for general requirements for liquid-immersed transformers, C57.12.10 for safety requirements, C57.12.28 for coating systems, C57.12.70 for terminal markings and connections, C57.12.90 for test codes, and NEMA TP 80050-2013 (R2024) for transformers and related equipment. Bidders are required to confirm receipt of this addendum by signature and company name, with confirmation to be emailed to awooldridge@bhmg.com. BHMG Engineers, Inc. is serving as the consulting engineer for this project.