Dworshak Unit 4

The government seeks firms capable of designing and constructing the civil and structural components of a new fourth generating unit at the Dworshak Dam powerhouse, including site preparation, substructure, superstructure, bridge, drainage, and building systems. Offerors must submit a Sources Sought response—an electronic email package containing firm information, capability statements, past project examples, bonding letters, and answers to the listed industry questions—by 3:00 pm Pacific on 30 September 2025; no formal proposal or price quote is required. The notice does not require selection among multiple topics or lots; it is a single‑scope market‑research solicitation. Responses must address performance‑bond requirements, the estimated construction magnitude of $100‑250 million, and the small‑business size standard of $45 million, with work performed at the Dworshak Dam site in Ahsahka, Idaho.

Notice ID

ee17413606384bc6b7dc57934649dc89

Solicitation Number

W912EF25SS40

NAICS Code

N/A

Classification Code

N/A