Drawdown & Structure Installation, Diamond Lake, Poweshiek County
Closed State & local contract opportunity Posted
- Solicitation number
- 27-05-79-01
- State
- Iowa
- Responses due
Opportunity facts
- Jurisdiction
Opportunity details come from bidopportunities.iowa.gov. Updated .
About this opportunity
Iowa Department of Natural Resources is soliciting bids for dam drawdown and drawdown-structure installation at Diamond Lake in Poweshiek County, with bids due July 23, 2026 at 11:00 a.m. CST.
The project involves cutting the dam to enable controlled drawdown of Diamond Lake and installing a permanent drawdown structure to facilitate future lake management operations. Project documents, including plans, specifications, and proposal forms, are available from Beeline and Blue, 2507 Ingersoll Ave, Des Moines, Iowa 50312, or at www.beelineandblue.com; (515) 244-1611.
Direct-substitution requests and project questions must be submitted by email to constructionbids@dnr.iowa.gov by 12:00 p.m. CST on the Friday prior to bid letting, using the subject line "Contractor Question - Project Number - Project Location."
Opportunity text
This project consists of cutting the dam for a controlled drawdown of Diamond Lake. A drawdown structure will be installed to aid in future lake drawdowns. *** Project documents, including plans, specifications, proposal forms, and addenda for this project are available at Beeline and Blue, 2507 Ingersoll Ave, Des Moines, IA 50312. Please visit www.beelineandblue.com or contact (515) 244-1611 for more information. *** Direct substitution requests, questions about the project, or questions concerning bidding and contract procedures to DNR Procurement. To be considered, these requests must be emailed to constructionbids@dnr.iowa.gov by 12:00pm the Friday prior to bid letting with the following subject line: Contractor Question - Project Number - Project Location *** Bid Closing Date and Time: 7/23/2026 at 11:00 AM CST
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