Project Information

Bid Title

Big Bend 230kV Tie-Line Switch Replacement

Issuing Agency

DEPT OF DEFENSE

Location

South Dakota

Published Date

Sep 14, 2026

Closing Date

Oct 5, 2026

Government Level

Federal

Status

Closed

Ref. #

W9128F26SC003

Original Source

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Project Description

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Big Bend 230kV Tie-Line Switch Replacement

Active

Contract Opportunity

Notice ID

W9128F26SC003

Related Notice

Department/Ind. Agency

DEPT OF DEFENSE

Sub-tier

DEPT OF THE ARMY

Major Command

US ARMY CORPS OF ENGINEERS

Sub Command

ENGINEER DIVISION NORTHWESTERN

Sub Command 2

ENDIST OMAHA

Office

W071 ENDIST OMAHA

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General Information

• Contract Opportunity Type: Sources Sought (Original)
• Original Published Date: Sep 14, 2026 11:58 am CDT
• Original Response Date: Oct 05, 2026 02:00 pm CDT
• Inactive Policy: Manual
• Original Inactive Date: Oct 19, 2026
• Initiative:
  • None

Classification

• Original Set Aside:
• Product Service Code: Z2MD - REPAIR OR ALTERATION OF EPG FACILITIES - HYDRO
• NAICS Code:
  • 237130 - Power and Communication Line and Related Structures Construction
• Place of Performance:
  Big Bend Dam PowerhouseSD-47, 33573 N. Shore RoadFort Thompson, SD 57339 57339

Description

The U.S. Army Corps of Engineers (USACE) Omaha District intends to determine the extend of capable small businesses and other than small business firms that have the availability in providing the requirement described below. USACE is considering issue a Total Small Business Set-Aside Request for Proposal that will result in one (1) Firm Fixed Priced contract for the 230 kV Tie-Line Switch Replacement at Big Bend Powerhouse, Fort Thompson, SD. The North American Industry Classification System (NAICS) code is 237130, Power and Communication Line and Related Structures Construction. Estimated magnitude of construction is between $1,000,000 and $5,000,000. The general scope of work is to replace the disconnect switches connecting the Big Bend Power Plant to two (2) 230kV transmission tie lines. This equipment is located on top of the powerhouse structure and on the tailrace side of the dam next to the 230kV generator step-up transformers. Existing switch ratings are 242kV with a 900kV BIL; Ampacities range from 1,200A to 2,000A. The replacement scope is five (5) motor operated circuit switchers, two (2) load rated operated disconnects, six (6) grounding switches, and the associated equipment needed to place the 230kV switch connection back into service. Please respond to all information requested in this notice no later than 05 October 2026 at 2pm Central. Please include the Sources Sought Identification Number in the subject line of the email submission and send to Brianna.N.Wohlers@usace.army.mil. Please provide any comments or identify any concerns your company has regarding the planned solicitation. Note that the Government will not be responding to inquiries about the proposed solicitation at this time. Your responses and comments will be used by Government personnel to assess the viability and scope of the proposed solicitation and assist market research efforts, and will be kept in strictest confidence. Telephone inquiries will not be accepted.

Attachments/Links

Contact Information

Contracting Office Address

• KO CONTRACTING OFFICE 1616 CAPITOL AVENUE
• OMAHA , NE 68102-4901
• USA

Primary Point of Contact

• Brianna WOHLERS
• brianna.n.wohlers@usace.army.mil
• Phone Number 4029952668

Secondary Point of Contact

History

• Sep 14, 2026 11:58 am CDTSources Sought (Original)

Commodity Codes

• FSC ZMaintenance, Repair or Alteration of Real Property

• NAICS 237130Power and Communication Line and Related Structures Construction

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