Summary
GRDA RFP 9562 is a sealed-bid procurement by the Grand River Dam Authority for construction services to build the West Main & Herron Terminal Additions project at substations in/near Pryor, Oklahoma. The scope covers a 161 kV substation construction project, including foundations, structural steel erection, electrical equipment installation, grounding systems, conduit/cable work, and related modifications to support a new transmission line connection between the West Main and Herron facilities. A mandatory pre-bid meeting was held on July 14, 2026, at GRDA's Transmission & Engineering Headquarters in Pryor, OK, and sealed bids must be submitted through Bid Express by 2:00 PM Central Time on July 23, 2026.