Big Bend 230kV Tie-Line Switch Replacement
Closed Pre-Solicitation Posted
- Solicitation number
- W9128F26SC003
- Agency
-
ENDIST Omaha
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- 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
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers Omaha District intends to solicit a firm fixed price contract for replacement of 230 kV disconnect switches at Big Bend Powerhouse, Fort Thompson, South Dakota, with responses due by October 5, 2026 at 2:00 p.m. Central. The District is considering a Total Small Business Set-Aside.
The scope includes replacement of five motor operated circuit switchers, two load-rated operated disconnects, six grounding switches, and associated equipment to restore 230 kV switch connections to service. Existing switch ratings are 242 kV with 900 kV BIL; ampacities range from 1,200 A to 2,000 A. The switches are located on top of the powerhouse structure and on the tailrace side of the dam adjacent to the 230 kV generator step-up transformers.
Estimated construction magnitude falls between $1 million and $5 million. The NAICS code is 237130, Power and Communication Line and Related Structures Construction. This is a sources-sought notice; respondents should submit capability information, comments, and concerns regarding the planned solicitation to Brianna.N.Wohlers@usace.army.mil, including the Sources Sought Identification Number in the subject line. The Government will not respond to inquiries at this stage and will maintain responses in confidence for market research purposes. Telephone inquiries will not be accepted.
Notice text
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.
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