0-25-19_Winn970905C_Notice to Bidders.pdf
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- Attached to
- Winn970905C 25-19
- Solicitation number
- 009-RFB-WRBWL_CY25-19
- Issued by
- Story County, Iowa
About this file
This is a Notice to Bidders issued by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality, for the Winn970905C Nutrient Reduction Wetland Project located in Winneshiek County, Iowa. The project involves construction of a traditional breakpoint nutrient reduction wetland requiring selective clearing, excavation, grading, steel sheetpile installation, tile installation, water control structure installation, and seeding. Major work components include approximately 18,700 cubic yards of earthwork, 1,403 square feet of steel sheetpile installation, 385 linear feet of tile installation, 116 linear feet of drawdown pipe, 920 tons of riprap and clean stone, 115 cubic yards of concrete grout, and seeding of 8.7 acres. A pre-bid conference will be held on December 2, 2025, at 11:00 AM at the Spillville Public Library, with attendance encouraged but not mandatory. Sealed bids must be submitted through the Iowa Management of Procurement and Contracts System (IMPACS) by 3:00 PM local time on Wednesday, December 17, 2025, with a public bid opening held the same day via Microsoft Teams. Written questions regarding plans and specifications must be submitted by 3:00 PM on December 9, 2025.
The estimated construction cost range is $300,000 to $400,000, with the contract awarded to the lowest responsive bidder. Bidders must provide a bid bond equal to ten percent of their bid amount and must be registered with the Iowa Department of Inspections, Appeals & Licensing. The successful bidder will be required to furnish a Performance/Payment Bond equal to 100 percent of the contract price. Contract documents, including plans and specifications, are available through the Iowa Department of Agriculture website and the state's bidding opportunities portal. The contract mandates construction completion by November 15, 2026, for most work items and December 15, 2026, for seeding activities. Non-Iowa corporations are required to provide proof of authorization from the Secretary of State to conduct business in Iowa prior to contract execution.
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Winn970905C Nutrient Reduction Wetland Project DOCUMENT AA Bid No. 25-19 NOTICE-TO-BIDDERS
AA
NOTICE-TO-BIDDERS
Winn970905C Nutrient Reduction Wetland Project Section 09, Township 97 North, Range 09 West
Winnisheik County, Iowa
Sealed bids will be received by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality (Division), via the Iowa Management of Procurement and Contracts System (IMPACS), until 3:00 PM local time, Wednesday, December 17, 2025. The bid opening, open to the public, will be held through IMPACS at 3:00 PM local time, on Wednesday, December 17, 2025, when bids will be read aloud. Interested parties may call in to hear the bid opening using the Microsoft Teams call-in number: 469-998-7627, 226956253. Bids must be submitted on the appropriate bid forms provided and shall include a bid bond in the amount of ten percent (10%). Bidders must also be registered with the Iowa Department of Inspections, Appeals & Licensing.
This project is for a traditional breakpoint nutrient reduction wetland. In general, the work involves, but is not limited to, selective clearing, excavation, grading, steel sheetpile installation, tile installation, water control structure and seeding. This project includes about 18,700 cubic yards of earthwork, installation of 1,403 square feet of steel sheetpile, water control structure, 385 linear feet (LF) of tile installation, 116 LF of drawdown pipe, 920 tons of riprap and clean stone, 115 cubic yards of concrete grout and 8.7 acres of seeding. The estimated construction cost range for this project is $300,000 to $400,000.
A pre-bid conference will be held at 11:00 AM, on December 2, 2025 at the Spillville Public Library, 201 Oak St, Spillville 52168, telephone: 563-562-3723. Attendance at the pre-bid conference by prospective bidders is not mandatory but is encouraged.
The Plans and Construction Specifications governing the construction of the proposed improvements have been prepared by Anthony Harbaugh, P.E., Shive-Hattery, and are hereby made a part of this notice by reference and the proposed contract shall be executed in compliance therewith. Copies of the Contract Documents, including Plans, Construction Specifications, and Bid Package, are available through the website links:
https://iowaagriculture.gov/dscwq/requests-proposals and https://das.iowa.gov/vendors/bidding-opportunities#vendor-bid-opportunities
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In order to be included on the plan holders list, which is required to be able to receive meeting minutes, addenda and an updated plan holders list, interested parties must make a written or verbal request to the Division by telephone: 515-344- 6279, or by e-mail: tracy.bruun@iowaagriculture.gov. Bidders who attend and sign-in to the pre-bid conference will be added to the plan holders list. A printed copy of plans and construction specifications can be viewed by appointment by contacting Tracy Bruun, Division (tracy.Bruun@iowaagriculture.gov, or (515) 344-6279. Printed copies of specifications and plans will be provided to the successful bidder.
The successful bidder shall be required to furnish a Performance/Payment Bond in an amount equal to one hundred percent (100%) of the contract price.
Questions concerning the Plans and Construction Specifications should be in writing and addressed to Anthony Harbaugh, P.E., aharbaugh@shive-hattery.com or 515-223-8104, and must copy Tracy Bruun, Division, tracy.bruun@iowaagriculture.gov. All other questions concerning other Contract Documents should be addressed to Tracy Bruun, Division, tracy.bruun@iowaagriculture.gov or 515-344-6279. To be considered in a final addendum, written questions must be received by 3:00 PM on December 9, 2025.
The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities.
BIDDER LOGIN - https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa
END OF DOCUMENT AA
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