161-kV Feeder 154/155 Transmission Line Extension Construction

The Grand River Dam Authority is seeking a contractor to construct a 1.14-mile, 161-kV Feeder 154/155 transmission line extension in Mayes County, Oklahoma, including steel structures, drilled foundations, conductors, OPGW, grounding, and tie-in work.

Grand River Dam Authority


General
Open
RFP 9846
Sep 22, 2026 12:00 PM
Aug 25, 2026 09:11 PM
3 months
Request for Proposal (RFP)
State
Ask AI about this solicitation
Original Solicitation Links
Contact
laurel.swift@grda.com
+19188247807
Chouteau, OK, USA
Submission Instructions
Online
Description

The Grand River Dam Authority is soliciting bids for construction of a 1.14-mile, 161-kV double-circuit transmission line extension through the MidAmerica Industrial Park in Mayes County, Oklahoma. The work includes hydrovac utility daylighting; drilled-shaft and direct-embedment foundations; galvanized steel transmission structures; installation of 795 kcmil ACSR “Drake” conductors, OPGW, and EHS shield wire; grounding; right-of-way restoration; and final tie-ins to existing Feeder 154 and Feeder 155 circuits and a customer substation. The contractor must provide labor, supervision, equipment, contractor-furnished materials, permits, safety procedures, outage coordination, and construction testing. Portions of the work will occur near energized 161-kV facilities, with no simultaneous outages permitted. The bid package requires a detailed lump-sum price and unit prices, a proposed crew schedule, experience and safety information, subcontractor information, certifications, and acknowledgment of the technical specifications. A mandatory pre-bid meeting is required, and the project is scheduled to begin by October 1, 2026, and be completed by December 15, 2026.

Classification Codes
NAICS237130Power and Communication Line and Related Structures Construction
PSCY1MZCONSTRUCTION OF EPG FACILITIES - OTHER, INCLUDING TRANSMISSION
Smart Codes
transmission line constructionelectrical pole installationoverhead conductor installation
Specifications
Supply & Service
Timeline
Aug 25, 2026-Posted Date
Sep 8, 2026-Personnel Attendance Confirmation and Government ID Due
Sep 14, 2026-Mandatory Pre-Bid Meeting (required)
Attendance is required to submit a bid. Attendees must submit government-issued identification and confirm attendance by September 8, 2026, at 2:00 PM CST.
Sep 18, 2026-Questions Due Date
Sep 22, 2026-Bid Due Date
Oct 1, 2026-Contract Start Date
Oct 14, 2026-Anticipated Contract Award
Dec 15, 2026-Contract Completion Date
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 Liability — $3,000,000.00
Required
  • Minimum 5 references
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