1356204-event.pdf

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Attached to
WINN981024d 25-20
Solicitation number
009-RFB-WRBWL-CY25-20
Issued by
Story County, Iowa

About this file

This is a Request for Bids (RFB) issued by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality for the construction of a nutrient reduction constructed wetland in Winneshiek County, Iowa. The project involves selective clearing, excavation, grading, installation of tied concrete block mat (Flexamat Plus or approved equal), tile installation, water control structures, and seeding across approximately 8 acres. The scope includes approximately 15,200 cubic yards of earthwork, 6,608 square feet of tied concrete block mat, 1,100 linear feet of tile installation, 108 linear feet of RCP drawdown pipe, 48 tons of riprap, 2 anti-seep collars, 1 concrete apron with footing guard, and various other components detailed across 30 line items. A pre-bid conference is scheduled for December 2, 2025 at 11:00 AM at the Spillville Public Library in Spillville, Iowa, 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 December 17, 2025, with the public bid opening held immediately thereafter via Microsoft Teams. Questions regarding plans and specifications must be submitted in writing to the project engineer by 3:00 PM on December 9, 2025.

The estimated construction cost range for this project is $200,000 to $300,000. Bidders are required to submit a bid bond equal to ten percent (10%) 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 one hundred percent (100%) of the contract price. Non-Iowa corporations must provide proof of authorization from the Secretary of State to conduct business in Iowa prior to contract execution. Contract documents, including plans, specifications, and the bid package, are available through the Iowa Agriculture website and the Department of Administrative Services vendor bidding portal. Interested parties must request inclusion on the plan holders list to receive addenda and meeting minutes.

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01 December 2025

WINN981024d 25-20

CONSTRUCTION OF NUTRIENT REDUCTION WETLAND

01 December 2025

Open 11/16/2025 1:00 PM CST Type RFB - Request for Bids Close 12/17/2025 3:00 PM CST Number 009-RFB-WRBWL-CY25-20 Currency US Dollar

Sealed Until 12/17/2025 3:00 PM CST

Contacts Tracy Bruun tracy.bruun@iowaagriculture.gov

Phone +1 515-344-6279

Commodity Codes None Added

01 December 202501 December 202501 December 202501 December 202501 December 202501 December 202501 December 202501 December 202501 December 2025 mailto:tracy.bruun@iowaagriculture.gov

Project ID: WINN981024D

Bid Number: 25-20

Project Counties: WINNESHIEK

Project Engineer: Brandon Short, Bolton & Menk

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 nutrient reduction constructed wetland wetland with a chute outlet structure. In general, the work involves, but is not limited to, selective clearing, excavation, grading, installation of tied concrete block mat (Flexamat Plus or engineer approved equal), tile installation, water control structure and seeding. This project includes about 15,200 cubic yards of earthwork, installation of 6,608 square feet of tied concrete block mat (Flexamat Plus or engineered approved equal), water control structure, 1,100 linear feet (LF) of tile installation, 108 LF of RCP drawdown pipe, 48 tons of riprap, 2 anti-seep collars, 1 concrete apron with footing guard and 8.0 acres of seeding. The estimated construction cost range for this project is $200,000 to $300,000.

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 #REF!, P.E., Bolton & Menk, 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

· View Other Agency Hosted Solicitations

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 Brandon Short!, P.E., Brandon.short@bolton-menk.com, 515-509-9296, and must copy Tracy Bruun, Division, tracy.bruun@iowaagriculture.gov. All other questions concerning other Contract Documents should be

Description https://iowaagriculture.gov/dscwq/requests-proposals https://das.iowa.gov/vendors/bidding-opportunities#vendor-bid-opportunities mailto:Brandon.short@bolton-menk.com 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

If the successful bidder is a non-Iowa corporation, the bidder shall submit proof to the Division, prior to the execution of the contract, of authorization by the Secretary of State to do business in Iowa.

END OF DOCUMENT AA

https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa

Required to View Event

Prerequisites Required to Enter Bid

01 December 2025

1. Bidder shall read and make certifications of their Bid

2. Bidder shall read and authorize to release information for their Bid

3. Bidder Shall provide Bid Security under Vendor Attachment

01 December 202501 December 202501 December 202501 December 202501 December 202501 December 202501 December 2025

Buyer Attachments

1. 0-25-20_Winn981024D_Bid-Book.pdf

2. 0-25-20_Winn981024D_Notice to Bidders.pdf

3. 1-25-20_Winn981024D_General_Requirements.pdf

4. 2-25-20_Winn981024D_Specifications.pdf

5. 3-25-20_Winn981024D_Plans.pdf

6. 4-25-20_Winn981024D_Appendix_Ik.pdf

7. 5-25-20_Winn981024D_H&H_Report.pdf

8. 6-25-20_Winn981024D_DocCC_Schedule_of_Prices-WORKSHEET.pdf

9. 7-25-20_Winn981024D_DocEE_BidBond_UPLOAD.pdf

0. 8-25-20_Winn981024D_DocCC_Proposal_3pgs_UPLOAD.pdf

01 December 202501 December 202501 December 202501 December 202501 December 202501 December 2025 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1Njk3MzIwLTI1LTIwX1dpbm45ODEwMjREX0JpZC1Cb29rLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI1NjEwLTI1LTIwX1dpbm45ODEwMjREX05vdGljZSB0byBCaWRkZXJzLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI4MDMxLTI1LTIwX1dpbm45ODEwMjREX0dlbmVyYWxfUmVxdWlyZW1lbnRzLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI3NTMyLTI1LTIwX1dpbm45ODEwMjREX1NwZWNpZmljYXRpb25zLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI3MDczLTI1LTIwX1dpbm45ODEwMjREX1BsYW5zLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI3MDg0LTI1LTIwX1dpbm45ODEwMjREX0FwcGVuZGl4X0lrLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NjcxODg1LTI1LTIwX1dpbm45ODEwMjREX0gmSF9SZXBvcnQucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI1NjQ2LTI1LTIwX1dpbm45ODEwMjREX0RvY0NDX1NjaGVkdWxlX29mX1ByaWNlcy1XT1JLU0hFRVQucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NjcxODk3LTI1LTIwX1dpbm45ODEwMjREX0RvY0VFX0JpZEJvbmRfVVBMT0FELnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzU2MjA0LTE5MzI1NzI1NjY4LTI1LTIwX1dpbm45ODEwMjREX0RvY0NDX1Byb3Bvc2FsXzNwZ3NfVVBMT0FELnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9

Questions Required Questions

Group 1:

Instructions:

1.1 Contractors are required to be registered with the Iowa Department of Inspections, Appeals, and Liscensing. Is the Contractor registered with the Iowa Department of Inspections, Appeals, and Liscensing?

1.2 I have reviewed the documents under the “Buyer Attachments” section and acknowledged on page 2 of Document CC below, any and all addenda (if any) associated with this project.

1.3 I have uploaded Proposal and Affidavit (Document CC), pages CC-1 through CC-3 under VENDOR ATTACHMENTS. The Schedule of Prices associated with this project shall be entered in the 'Items' section of this project.

01 December 202501 December 202501 December 202501 December 202501 December 2025

Product Line Items Product Line Items

1.

# Item Name, Commodity Code, Description Allow

Alternates Qty. UOM Requested Delivery

P1 Site stripping & preparation 1 LS - Lump Sum 11/15/2026

IA CS-001 A.02

P2 Structure & channel seeding 1 AC - Acre 12/15/2026

IA CS-006 K.01

P3 Buffer seeding 7 AC - Acre 12/15/2026

IA CS-006 K.01

P4 Mobilization and demobilization 1 LS - Lump Sum 11/15/2026

IA CS-008 A.02

P5 Drain tile investigation and removal 6 HR - Hour 11/15/2026

IA CS-009 A.02

P6 Tied Concrete Block Mat 6,608 SF - Square Feet 11/15/2026

IA CS-031 D.03

P7 Tied Concrete Block Mat: U-Anchors 170 EA - Each 11/15/2026

IA CS-031 D.03

P8 Tied Concrete Block Mat: Cross Plate Percussion Anchors 220 EA - Each 11/15/2026

IA CS-031 D.03

P9 Excavation 2,702 CY - Cubic Yard 11/15/2026

IA CS-021 D.01

P10 Earthfill (General) 762 CY - Cubic Yard 11/15/2026

IA CS-023 D.02

P11 Earthfill (General Dam) 531 CY - Cubic Yard 11/15/2026

IA CS-023 D.02

P12 Earthfill (Dam Core) 809 CY - Cubic Yard 11/15/2026

IA CS-023 D.02

P13 12" Pond Liner 19,564 SY - Square Yard 11/15/2026

IA CS-023 D.01

P14 Drainfill, fine 22 CY - Cubic Yard 11/15/2026

IA CS-024 D.02

P15 Topsoil Strip, Salvage, and Respread 3,868 CY - Cubic Yard 11/15/2026

IA CS-026 D.01

P16 Corrugated Dual-Wall HDPE: 8" Non-Perforated 40 LF - Linear Foot 11/15/2026

IA CS-046 M.02

P17 Corrugated Dual-Wall HDPE: 8" Perforated 440 LF - Linear Foot 11/15/2026

IA CS-046 M.02

P18 Corrugated Dual-Wall HDPE: 10" Non-Perforated 50 LF - Linear Foot 11/15/2026

IA CS-046 M.01

P19 Corrugated Dual-Wall HDPE: 10" Perforated 100 LF - Linear Foot 11/15/2026

IA CS-046 M.01

P20 Reinforced Concrete Pipe: 12" Diameter 108 LF - Linear Foot 11/15/2026

IA CS-031 M.01

P21 Modified SW-402 Water Control Structure 1 EA - Each 11/15/2026

IA CS-031 B.03, M.01

P22 Stoplog Storage Structure 1 EA - Each 11/15/2026

IA CS-046 B.03

P23 Outlet Riser Structure 1 EA - Each 11/15/2026

IA CS-046 B.02, M.01

P24 CMP tile outlets (20 LF each): 10" Diameter 1 EA - Each 11/15/2026

IA CS-051 M.02

P25 CMP tile outlets (20 LF each): 12" Diameter 1 EA - Each 11/15/2026

IA CS-051 M.01

P26 Riprap 48 TN - Ton 11/15/2026

IA CS-061 D.03, M.01, M.02

P27 Anti-Seep Collars 2 EA - Each 11/15/2026

IA CS-051 M.01

P28 Reinforced Concrete Apron, Footing, Bar Guard 1 EA - Each 11/15/2026

IA CS-031 M.01

P29 Corrugated Single- Wall HDPE: 6" Non-Perforated 78 LF - Linear Foot 11/15/2026

IA CS-046 M.02

P30 Corrugated Single- Wall HDPE: 6" Perforated 386 LF - Linear Foot 11/15/2026 01 December 202501 December 202501 December 202501 December 2025

IA CS-046 D.01

01 December 202501 December 202501 December 202501 December 2025

Service Line Items Service Line Items

There are no Items added to this event.

01 December 202501 December 202501 December 2025

File details come from the government source that posted it. Updated .