26-10 Car833409A (Carroll) RFB
Closed State & local contract opportunity Posted
- Solicitation number
- 26-10 Car833409A (Carroll) Wetland
- State
- Iowa
- Responses due
Opportunity facts
- Jurisdiction
Opportunity details come from bidopportunities.iowa.gov. Updated .
About this opportunity
The Iowa Department of Agriculture and Land Stewardship, Division of Soil Conservation and Water Quality is requesting bids for construction of a nutrient reduction wetland in Carroll County under Bid No. 26-10 (Car833409A), with sealed bids due October 27, 2026 at 3:00 PM via the Iowa Management of Procurement and Contracts System (IMPACS). An optional pre-bid meeting is scheduled for October 6, 2026 at 11:00 AM at Carroll Public Library in Carroll, Iowa, with virtual attendance available.
Bidders must be registered with the Iowa Department of Inspections, Appeals & Licensing and demonstrate ownership of at least 20 percent of their own equipment. Written questions are due October 14, 2026 by 3:00 PM.
The project scope encompasses selective clearing, excavation and grading of approximately 19,861 cubic yards of earthwork, installation of 835 linear feet of pipe (18-inch and 36-inch reinforced concrete pipe, 8-inch dual-wall high-density polyethylene pipe, and corrugated metal tile), placement of 29 tons of riprap, construction of a Modified SW-513 concrete outlet structure and SW-401 concrete lift station, installation of a 3-phase 3-horsepower solar-powered pump system rated at 340 gallons per minute, and seeding of 2.4 acres. All work must comply with Natural Resources Conservation Service Construction Practice Standards 656 and 378. Construction must commence within 7 days of the preconstruction meeting and be completed by September 1, 2027; seeding must be completed by December 15, 2027 and must follow specifications-mandated seeding dates.
The estimated construction cost range is $175,000 to $275,000. Bidders must submit a bid bond equal to 10 percent of the base bid. The successful bidder must furnish a performance bond equal to 100 percent of the contract price within 14 days of notice of award. Liquidated damages are $175 per day for all work except seeding and $125 per day for seeding work. Materials purchased for this contract are exempt from Iowa sales and use tax.
Opportunity text
UPDATED 10/19/26 In general, the work includes constructing a wetland that will treat the water from an existing ditch using a solar panel powered pump. The project includes, but is not limited to, selective clearing, excavation and grading, along with tile and outlet structures, pump installation, tile installation, riprap placement, and seeding. This project includes around 19,861 total cubic yards of earthwork, 1,204 linear feet of pipe installation, 29 tons of riprap, installation of a Modified SW-513 concrete outlet structure, lift station consisting of a SW-401 concrete structure, solar pump system and 2.4 acres of seeding. The estimated construction cost range for this project is $175,000 to $275,000. Completion Dates: Construction September 1, 2027 Seeding December 15, 2027 (must follow seeding dates stipulated in the Specifications)
Files
| File | Type | Posted |
|---|---|---|
| Specifications.pdf | ||
| Plans.pdf | ||
| Wetland QA QC Plan.pdf | ||
| Design Report.pdf | ||
| Bid Book.pdf | ||
| Doc CC Schedule of prices.pdf | ||
| Doc EE Bid Bond.pdf | ||
| Pre-Bid Meeting Minutes & PLAN HOLDERS as of 10-22-26.pdf | ||
| Notice to Bidders.pdf | ||
| Doc CC Proposal Acknowledgement - Affidavit.pdf |
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