Site work for a water / sewer project in Ahsahka, Idaho. Conceptual plans call for site work for a water / sewer project.

As of September 5, 2025, this is a market research solicitation, information regarding the award and award date has not been disclosed. A firm timeline for construction has not been established. *The closed solicitation has been included below for reference: 1. Project Summary The U.S. Army Corps of Engineers (USACE), Walla Walla District intends to expand the generation capability of the Dworshak Dam Powerhouse by installing a fourth generating unit (Main Unit 4) and associated powerhouse structure extension. Dworshak Dam is located on the Clearwater River in Ahsahka, ID, approximately 50 miles east of Lewiston, ID. The Government intends to accomplish this work through one or multiple, firm fixed-price procurements with a proposed work breakdown and general scopes as follows: a. Civil/Structural - Preparation of site, construction of powerhouse and tailrace substructure, and erection of functional building envelope for powerhouse extension. b. Generator Step-Up Transformer - Supply contract for the procurement and delivery of three single-phase oil filled transformers with an approximate rating of 13.8 Delta - 500/288.68 GrdY kV at 100,000 kVA each. c. Turbine-Generator - Design, supply, installation and commissioning of a hydroelectric generator with an approximate rating of 250-300MW. d. Balance of Plant - Auxiliary mechanical and electrical systems to support power generation and powerhouse operations. e. Hydraulic Steel Structures - Supply of standalone steel structures such as gates, bulkheads and trash racks. The Method of Contractor Selection has not been determined at this Time.