Bid guide

How to bid on Conconully Dam, WA, Safety of Dams Modification for the Department of the Interior

Bureau of Reclamation Conconully, WACloses September 30, 2026

What the agency is buying and why a vendor would care

The Department of the Interior, Bureau of Reclamation, is conducting market research for seismic modifications at Conconully Dam in Washington. This project aims to enhance the safety of the dam through various construction activities.

The scope of work is extensive and includes major earthwork, deep soil mixing, modifications to outlet works, construction of a stability berm, installation of drainage and monitoring systems, new roads, fencing, and site restoration. This is a significant opportunity for construction firms, with an estimated project value between $80 million and $100 million. The performance period is expected to be about three years.

Key dates and what happens at the deadline

This is a Sources Sought Notice and an Industry Day Invitation, not a request for proposals. The deadline for industry input is September 30, 2026, at 7:00 PM ET. After this date, the current solicitation number will become obsolete.

The Bureau of Reclamation is targeting a formal solicitation for late Fiscal Year 2027 or early Fiscal Year 2028. This RFI is for planning purposes and to gather information from interested parties.

Who this opportunity suits

This opportunity is suitable for experienced construction firms specializing in large-scale civil engineering projects, particularly those with expertise in dam safety modifications, earthwork, deep soil mixing, and water infrastructure. Firms with capabilities in coordinating power, fiber, and telecommunications for construction sites, as well as environmental restoration, will find this relevant.

The project's estimated value and complexity suggest it is best suited for established companies or joint ventures capable of handling multi-year, high-value government contracts in the construction category.

How to respond

To access the opportunity and respond, first click “View original source” to open the opportunity on the portal. If the first click takes you to the portal’s homepage, click it again to go directly to the bid.

You may need a free account to view the attached documents, which include the Industry Day Invitation, the Reclamation FIST 1-1 Hazardous Energy Control Program, and a Non-Disclosure Agreement (NDA). Review Attachment a, the Industry Day Invitation, for specific action requirements and coordination information.

Practical tips for preparing a competitive response

Even though this is not a bid request, responding thoroughly to this RFI is crucial for positioning your firm. Clearly demonstrate your company's experience with projects of similar scope and scale, especially those involving seismic modifications, large-scale earthwork, and complex infrastructure.

Highlight your technical capabilities and any innovative approaches your firm could bring to the project. Attend the Industry Day if possible, as this provides a direct opportunity to engage with the agency, ask questions, and gain a deeper understanding of their needs and expectations. Be prepared to discuss your firm's capacity to manage a three-year project with an $80 million to $100 million budget.

See the live bid — deadline, agency details, and how to respond

Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.

View this bid on BiddingSimple

This guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Bureau of Reclamation; the original posting controls.