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Big Bend 230kV Tie-Line Switch Replacement

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W9128F26SC003Federal

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Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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The U.S. Army Corps of Engineers Omaha District is conducting market research via a Sources Sought notice for the 230 kV Tie-Line Switch Replacement at the Big Bend Powerhouse in Fort Thompson, South Dakota. The project involves replacing disconnect switches that connect the Big Bend Power Plant to two 230kV transmission tie lines, with equipment located on the powerhouse structure and the dam tailrace. The scope of work includes the procurement and installation of five motor operated circuit switchers, two load rated operated disconnects, six grounding switches, and all associated equipment required to return the 230kV switch connection to service. Existing equipment ratings are 242kV with a 900kV BIL and ampacities between 1,200A and 2,000A. The government intends to issue a Total Small Business Set-Aside as a single Firm Fixed Price contract under NAICS code 237130. The estimated construction magnitude is between 1,000,000 and 5,000,000 dollars. Interested firms must be registered in the System for Award Management and are requested to submit their capabilities and experience by October 5, 2026, at 2pm Central. Specifically, the government is looking for firms with verifiable experience in government installation projects valued between 1 million and 10 million dollars within the last five years, as well as expertise in the procurement and installation of 230kV transmission tie line disconnect switches. Small businesses are reminded that per FAR 52.219-14(e)(1), at least 25 percent of the cost of contract performance for personnel must be expended for employees of the concern.

General Info

Small business set-aside for 230kV switch replacement at Big Bend Powerhouse, South Dakota.

Agency

Department Of Defense → W071 Endist OmahaView Agency

NAICS

237130 - Power and Communication Line and Related Structures ConstructionView NAICS

Place of Performance

Big Bend Dam PowerhouseSD-47, 33573 N. Shore RoadFort Thompson, SD 57339, NE, 57339

Set-Aside

NONE

Documents

(1)

W9128F26SC003 - Big Bend 230kV Tie-Line Switch Replacement Sources Sought

PDFsources-sought

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Organization & Contact Information

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AgencyDepartment Of Defense → W071 Endist Omaha
Contacts1 person available
OfficeOMAHA, NE, 68102-4901, USA
Organization / Agency
Department Of Defense → W071 Endist Omaha
View Agency Profile
Office AddressOMAHA, NE, 68102-4901, USA

Full Description

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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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