The Z--TRD GSU Transformer Replacements project involves the replacement of transformers at three power plants located in Shasta and Trinity Counties, California. This solicitation is issued by the Bureau of Reclamation and is classified under NAICS code 237130, which pertains to power and communication line and related structures construction. Contractors with experience in large-scale electrical infrastructure projects, particularly those involving transformer installation and replacement, are encouraged to bid. The estimated price range for this project is between $35 million and $50 million, indicating a significant opportunity for qualified contractors.