Mayfield Bank 2 GSU Transformer

The City of Tacoma is seeking a qualified vendor to design, manufacture, deliver, install, and commission a high‑voltage Generator‑Step‑Up (GSU) transformer for the Mayfield Hydroelectric Project. The scope includes supply of a 13.8 kV/240 kV, 38.4/51.2/64 MVA transformer, spare bushings, isolated‑phase bus, full engineering drawings, FAT testing, on‑site installation, and a five‑year warranty. The contract is a three‑year supplies‑type agreement valued at approximately $3.7 million, with performance‑bond and insurance requirements. • Supply and install one 13.8 kV/240 kV GSU transformer (38.4–64 MVA) with spare bushings and IPB. • Provide all design documentation, FAT testing, on‑site supervision, and post‑delivery manuals. • Vendor assumes all transport, placement, and related equipment; City removes existing unit and provides temporary storage. • Evaluation based on qualifications, total evaluated cost, payment schedule, delivery time, and sustainability.