69 kV Substation and Transmission Construction

The Grand River Dam Authority is seeking bids for construction of a new 69 kV terminal addition, including substation equipment and protection upgrades and a transmission structure, conductor, and OPGW installation.

Grand River Dam Authority


General
Open
RFP 10275
Nov 20, 2026 08:00 PM
Oct 26, 2026 06:56 PM
1 year
Request for Proposal (RFP)
Local
Ask AI about this solicitation
Contact
201 NW 63rd Street, Oklahoma City, OK, USA
Submission Instructions
Online
Description

The project includes construction of a new 69 kV terminal addition, with substation modifications to integrate a new circuit. Work includes foundations, structural steel, breaker and switch installation, bus modifications, grounding, conduit and cable installation, relay and metering panels, protection and control upgrades, and testing and commissioning. GRDA will furnish specified equipment and materials; the contractor must provide the remaining labor, equipment, materials, and construction services. The transmission scope includes installing a steel pole structure, conductor, OPGW, and shield wire, connecting the new circuit to the existing facility, and completing associated foundations, grounding, and right-of-way restoration. The bid must include the specified proposal attachments, at least five similar-project references, supervisory personnel resumes, and safety records for the bidder and proposed subcontractors. Attendance at the mandatory pre-bid meeting is required to submit a bid.

Classification Codes
NAICS237130Power and Communication Line and Related Structures Construction
PSCY1MZCONSTRUCTION OF EPG FACILITIES - OTHER, INCLUDING TRANSMISSION
Smart Codes
substation constructiontransmission line constructionelectrical protection and control
Specifications
Supply & Service
Timeline
Nov 05, 2026 04:30 PM-Mandatory Pre-Bid Meeting (required)
A GRDA representative will be available at the jobsite after the meeting for a site visit. Attendance at the pre-bid meeting is mandatory to submit a bid.
Nov 18, 2026 08:00 PM-Questions Due
Nov 20, 2026 08:00 PM-Bid Submission Deadline and Opening
Dec 9, 2026-Anticipated Contract Award
Requirements
Required
  • Commercial General Liability — $2,000,000.00
  • Automobile Liability — $1,000,000.00
  • Workers' Compensation
  • Employer's Liability — $100,000.00
  • Excess/Umbrella Insurance — $3,000,000.00
Required
  • Minimum 5 references
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