LMA - Fish Ladder Diffuser Grating Replacement - Kahlotus

The work involves removing and replacing deteriorated diffuser grating in the north shore fish ladder at Lower Monumental Dam including supporting structure and hardware. Fabrication of all components from aluminum and grating, size and spacing will be replaced in-kind or slightly larger to reduce flexion. The contract will require completion of the work in the adult fish ladder within a finite fixed outage. The contractor will be required to complete all construction work within the in-water work window (approximately January 1st, 2020 through February 28th, 2020).


Bidding Closed

Prebid Date7/2/19 10:00 am

Bid Date7/30/19 2:00 pm

Company & Contacts

Department of the Army

Victoria K. Richmond, victoria.k.richmond@usace.army.mil   (509) 527-7225


Kahlotus, WA

Project Estimate: $250,000 – $500,000

Bidders may download electronic files for a nominal fee of $15.00. Printed documents are available, at Bidders expense, by choosing the “Order” option.

An organized site visit has been scheduled for Tuesday, July 02, 2019 @ 10:00 am PST