2026 Upper Development, Dam No. 1 Coffer Dam
Idaho Falls Power seeks bids for coffer dam construction at Upper Development Dam No. 1, estimated at $250,000 with 120-day duration; due July 9, 2026.
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AI overview
Idaho Falls Power is soliciting bids for construction of a coffer dam at the Upper Development Dam No. 1 location. The project scope includes installation of an earth embankment coffer dam per engineer specifications, importation of embankment material, seepage monitoring and dewatering, controlled removal of the coffer dam with rewatering of the channel, and export of used coffer dam material. The anticipated project budget is approximately $250,000.00 with an expected duration of 120 days.
This project is contingent upon approval from multiple regulatory agencies including the United States Army Corps of Engineers, Idaho Department of Lands, Idaho Department of Environmental Quality, Idaho Department of Water Resources, and the Federal Energy Regulatory Commission.
Bid submissions are due by Thursday, July 9, 2026 at 1:00 p.m. MST at Idaho Falls Power, 140 S Capital Ave., Idaho Falls, Idaho 83402. Bids will be publicly opened and read aloud in the Energy Center at the same location. A pre-bid meeting is scheduled for June 24, 2026 at 1:30 p.m. MST. Interested bidders should contact Jason Cooper at 208-612-8573 or jcooper@ifpower.org for additional information and document access.
Resources & contact
Proposal Document
View proposal documentSolicitation number
IFP-26-21-1
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