Bid Number

25-20 Winn981024D

Solicitation

Winn981024D 25-20

Solicitation Type

Request for Bids

County

Winneshiek

Description

Completion Dates: Construction: November 15, 2026; Seeding: December 15, 2026 (Structure and Buffer Seeding) Nutrient reduction constructed wetland with a chute outlet structure. Work involves selective clearing, excavation, grading, installation of tied concrete block mat, tile installation, water control structure and seeding. Project includes about 15,200CY of earthwork, installation of 6,608SF of tied concrete block mat, water control structure, 1,100LF of tile installation, 108LF of RCP drawdown pipe, 48TN of riprap, 2 anti-seep collars, 1 concrete apron with footing guard &8.0 ACS of seeding. Estimated construction cost range is $200,000 to $300,000.

Number

009

Name

Agriculture and Land Stewardship

Address 1

502 E 9TH ST

Address 2

City/State/Zip

Des Moines, IA 50319

Contact Name

Tracy Bruun

Contact Title

Contract Manager

Contact Email

Tracy.Bruun@iowaagriculture.gov

Contact Phone Number

(515) 344-6279

Contact Phone Extension

Contact Other Number

Contact Fax Number

From

11/16/2025 1:00:00 PM

Until

12/17/2025 3:00:00 PM

Doc CC Proposal & Affidavit

12/16/2025 9:49:58 AM

Doc CC Schedule of Prices

12/16/2025 9:49:12 AM

Addendum 1

12/16/2025 9:48:37 AM

Prebid Minutes, Q&A

12/16/2025 9:48:06 AM

Geotechnical Report

12/1/2025 3:06:55 PM

Document EE Bid Bond

11/14/2025 12:16:08 PM

H&H Report

11/14/2025 12:14:52 PM

Bid Book: Appendix I

11/14/2025 12:14:34 PM

Bid Book

11/14/2025 12:14:06 PM

Bid Book

11/14/2025 12:13:43 PM

Bid Book

11/14/2025 12:13:18 PM

Bid Book

11/14/2025 12:07:40 PM