Description
The Grand River Dam Authority (GRDA) is seeking proposals for the “Tonnece 69 kV Terminal Addition Project,” which involves the design, construction, and installation of a new substation and associated 69 kV transmission facilities in Mayes County, Oklahoma. The solicitation includes detailed technical specifications for substation equipment, transmission line design, and geotechnical requirements. A mandatory pre‑bid meeting must be attended, after which vendors may conduct a site visit to review conditions. The bid packet contains extensive drawing sets and specifications that must be reviewed before submitting a price proposal.
• Scope includes substation construction, 69 kV terminal addition, and related transmission line work.
• Mandatory pre‑bid meeting on Nov 5 2026; site visit optional but recommended.
• Full bid documents (multiple PDFs) available for download; electronic signature required.
• Submission deadline is Nov 20 2026 03:00 PM EST.
Attached files
The solicitation documents live at the source — open the bid source above to download them.