Little Goose Powerhouse Unit 3

Closed Solicitation Posted

Solicitation number
W912EF25BA013
Agency
ENDIST Walla Walla US Army Corps of Engineers, Department of Defense
Responses due
Set-aside
No set-aside

Opportunity facts

NAICS code
237990 Other Heavy and Civil Engineering Construction
PSC
5450 Miscellaneous Prefabricated Structures
Place of performance
99143
Points of contact
More information

Notice details come from SAM.gov. Updated .

About this opportunity

The U.S. Army Corps of Engineers Walla Walla District is procuring repair services for an oil leak at the turbine shaft to Kaplan hub connection of Little Goose Powerhouse Unit 3. The work involves three primary containment solutions: fabrication and installation of a sealing ring at the hub connection to the turbine shaft, installation of stainless-steel tubing, and welding of thirty caps for sealing the tops of coupling bolts and nuts. The contractor will not be required to disassemble or reassemble any existing components, with the unit being partially disassembled and dewatered prior to contractor arrival. This is a sealed bid procurement using an Invitation for Bid format, with proposals due September 15, 2025, at 11:00 AM PST. A site visit was scheduled for August 26, 2025, at 2:00 PM to allow potential bidders to assess the work location. The solicitation has been amended multiple times, with the most recent amendment issued on September 4, 2025, providing updated technical specifications and supplemental drawings.

This procurement does not include any set-aside designations and is open to all qualified contractors. The estimated contract value ranges between $250,000 and $500,000, structured as a firm-fixed-price contract with optional line items for additional labor and materials on a time and materials basis. The performance period is 120 calendar days after receipt of the notice to proceed, with an additional 15 days allocated for final cleanup and demobilization. The work will be performed at Little Goose Dam on the Lower Snake River near Starbuck, Washington, specifically within the powerhouse facility that consists of six main generating units. The contractor must provide performance and payment bonds and maintain specific insurance requirements, with the project subject to Davis-Bacon Act wage requirements for Columbia and Franklin Counties, Washington.

Notice text

This work is for the repair of an oil leak at the turbine shaft to Kaplan hub connection of Little Goose Powerhouse Unit 3. Work involves containment of three leak paths as described in the upcoming solicitation package in SECTION 48 13 13.04 26 EXISTING TURBINE COMPONENT, REFURBISHMENT AND REPLACEMENT of the technical specifications. Repairs include fabrication and installation of a sealing ring at the hub connection to the turbine shaft (OD of flange); installation of stainless-steel tubing; and welding of thirty (30) caps for sealing the tops of the coupling bolts and nuts. The Contractor will not be required to disassemble or reassemble any existing components. The work will take place in the powerhouse of Little Goose Dam. Little Goose Dam is located on the Lower Snake River near Starbuck, WA. The powerplant consists of six main generating units. This work will only be required for Unit 3.

Attachments

Files attached to this notice, newest first
File Type Posted
Amendment 03.pdf PDF
Amend 0003 25BA013_SUPPLEMENTAL DRAWINGS.pdf PDF
Amendment 03.pdf PDF
Amend 0003 25BA013 - LGA Unit 3 Repair Tech spec.pdf PDF
Amendment 02.pdf PDF
Amendment 01.pdf PDF
Technical Specifications.pdf PDF
Drawings.pdf PDF

Notice history

Notices posted for this opportunity, newest first
Notice Type Posted
Little Goose Powerhouse Unit 3 This notice · Latest solicitation Solicitation
Little Goose Unit 3 Hub Shaft Repair Pre-Solicitation
Little Goose Unit 3 Hub Shaft Repair Original Pre-Solicitation

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