Attachment-4 OA_FP GSU Transformer Contract Drawings 2 of 3.pdf

The file "Attachment-4 OA_FP GSU Transformer Contract Drawings 2 of 3.pdf" appears to be a technical drawing or specification attachment for a U.S. Army Corps of Engineers solicitation (W9128F25RA053) for generator step-up (GSU) transformers at Oahe Dam in South Dakota and Fort Peck Dam in Montana. The project requires designing and manufacturing a total of 12 transformers: 10 for Oahe Dam (1 three-phase and 9 single-phase units) and 2 for Fort Peck Dam, with specifications including voltage ratings from 115 kV to 230 kV and capacities from 42,000 to 103,000 kVA.

The contract involves comprehensive transformer supply services, including design, manufacturing, factory acceptance testing, delivery to power plant sites, offloading, temporary storage, reassembly, oil processing, and preparation for final installation by a separate contractor. Mandatory site visits are scheduled for May 13, 2025, at Oahe Dam and May 15, 2025, at Fort Peck Dam, with proposal submissions due by August 6, 2025. The solicitation is unrestricted but maintains a small business size standard of 800 employees under NAICS code 335311. All contractors must be registered in the System for Award Management (SAM) with an active, verified account. The primary place of performance will be Fort Pierre, South Dakota, with specific delivery to the Oahe and Fort Peck Dam power plant sites.