DWA Monolith 16/17

This solicitation from the Department of the Army Corps of Engineers Engineering District Walla Walla seeks proposals for repair work on the monolith joints between monoliths 16 and 17 at the Dworshak Dam in Ahsahka, Idaho. The solicitation involves installing packers in the foundation relief drains and joint drain, drilling and grouting new and existing holes, removing and reinstalling stairs and handrails, instrumentation and monitoring, waste water diversion, and related foundation repair services. Proposals will be evaluated based on technical approach, experience performing similar high-pressure grouting projects on concrete dams, past performance, and price. The final deadline for proposal revisions is August 28, 2020.

The opportunity is set aside for total small business and falls under NAICS code 237990 (Other Heavy and Civil Engineering Construction) and PSC code R499 (Miscellaneous repair and alteration of real property). The estimated value of construction ranges between $1,000,000 to $5,000,000. The selected contractor will be awarded a firm-fixed price contract to complete the drilling and grouting work outlined in the specifications and drawings provided by the Army Corps of Engineers Walla Walla District at the Dworshak Dam site in Ahsahka, Idaho.