1341349-event.pdf
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- Solicitation number
- 009-RFB-WRBWL-CY25-12
- Issued by
- Calhoun County, Iowa
About this file
This is a Request for Bid (RFB) issued by the Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality for two nutrient reduction wetland construction projects in Calhoun County, designated as Cal883301A and Cal883220A. The solicitation seeks a single contract for constructing two separate wetland sites, with bids to be received via the Iowa Management of Procurement and Contracts System (IMPACS) until 3:00 PM on October 8, 2025. The first project (Cal883301A) involves constructing a wetland receiving water from an existing tile using a solar-powered pump, including approximately 15,752 cubic yards of earthwork, 1,217 linear feet of tile installation, road surface replacement, riprap placement, and seeding, with an estimated construction cost between $300,000 and $400,000. The second project (Cal883220A) involves a similar wetland construction receiving water from a drainage ditch, with approximately 1,775 cubic yards of earthwork, 172 linear feet of tile installation, concrete block mat placement, and seeding, with an estimated construction cost between $200,000 and $260,000.
Bidders are required to submit a bid bond for 10% of the total bid and must be registered with the Iowa Department of Inspections, Appeals & Licensing. A pre-bid conference will be held on September 23, 2025, at the Calhoun County Extension Service, though attendance is encouraged but not mandatory. The successful bidder will be required to furnish a Performance/Payment Bond for 100% of the contract price. The project engineer is JEO Consulting Group, Inc., and the contract documents, including plans and specifications, are available through specified website links. The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities. Non-Iowa corporations must submit proof of authorization to do business in Iowa prior to contract execution.
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Text version
17 September 2025
Cal883301A & Cal883220A Nutrient Reduction Wetlands Two nutrient reduction wetlands
17 September 2025
Open 9/14/2025 9:00 PM CDT Type RFB - Request for Bids Close 10/8/2025 3:00 PM CDT Number 009-RFB-WRBWL-CY25-12 Currency US Dollar
Sealed Until 10/8/2025 3:10 PM CDT
Contacts Tracy Bruun tracy.bruun@iowaagriculture.gov
Phone +1 515-344-6279
Commodity Codes None Added
17 September 202517 September 202517 September 202517 September 202517 September 202517 September 202517 September 202517 September 202517 September 2025 mailto:tracy.bruun@iowaagriculture.gov
Project ID: Cal883301A & Cal883220A
Bid Number: 25-12
Project Counties: Calhoun
Project Engineer: JEO Consulting Group, Inc
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, October 8, 2025. The bid opening, open to the public, will be held through IMPACS at 3:10 PM local time, on Wednesday, October 8, 2025, when bids will be read aloud. Interested parties may call in to hear the bid opening using the Microsoft Teams call-in number: 1 469-998-7627, 38684452#. 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.
Two sites; 1 contract
Cal883301A
In general, the work includes constructing a wetland that receives water from an existing tile using a pump powered using solar panels. The project includes, but is not limited to, selective clearing, excavation and grading, along with tile and outlet structures, pump installation, county road and culvert removal and replacement, riprap placement, and seeding. This project includes around 15,752 total cubic yards of earthwork, 1,217 linear feet of various tile installation, 158 square yards of PCC pavement replacement, 390 tons of riprap along with 29 tons of Class A Roadsone, 500 linear feet of silt fence, and 14.1 acres of seeding. The project also includes installation of one pump systems with the associated solar panels and controls. The estimated construction cost range for this project is $300,000 to $400,000.
Cal883220A
In general, the work includes constructing a wetland that receives water from an existing drainage ditch using a pump powered using solar panels. The project includes, but is not limited to, selective clearing, excavation and grading, along with tile and outlet structures, pump installation, tied concrete block mat and riprap placement, and seeding. This project includes around 1,775 total cubic yards of earthwork, 172 linear feet of various tile installation, 2200 square feet of tied concrete block mat, two concrete structures, 218 tons of riprap, and 14 acres of seeding. The project also includes installation of one pump systems with the associated solar panels and controls. The estimated construction cost range for this project is $200,000 to $260,000.
A pre-bid conference will be held at 9:00 AM, on September 23, 2025 at the Calhoun County Extension Serivce, 325 Court St, Rockwell City 50579, telephone: 712-297-8611. 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 Juan Arellanes, P.E., JEO, 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
Description https://iowaagriculture.gov/dscwq/requests-proposals https://das.iowa.gov/vendors/bidding-opportunities#vendor-bid-opportunities
· View Other Agency Hosted Solicitations https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa
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 Juan Arellanes, P.E., jarellanes@jeo.com, 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 September 30, 2025.
The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities.
To register and learn about IMPACS, go to:
https://das.iowa.gov/state-employees/procurement/iowa-management-procurement-and-contracts-system-impacs
The Division reserves the right to reject any or all proposals and to waive technicalities and irregularities.
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.
https://solutions.sciquest.com/apps/Router/SupplierLogin?CustOrg=DASIowa https://das.iowa.gov/state-employees/procurement/iowa-management-procurement-and-contracts-system-impacs
Required to View Event
Prerequisites Required to Enter Bid
17 September 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
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Buyer Attachments
1. 1- 25-12_Cal883301A_&_Cal883220A_Notice-to-Bidders.pdf
2. 2- 25-12_Cal883301A_&_Cal883220A_Affidavit_Doc_CC.pdf
3. 3- 25-12_Cal883301A_&_Cal883220A_ConstructionContract_Doc_DD.pdf
4. 4- 25-12_Cal883301A_&_Cal883220A_Bid-Bond_Doc_EE.pdf
5. 5- 25-12_Cal883301A_&_Cal883220A_Bid-Construction_Book_REQUIREMENTS.pdf
6. 6a- 25-12_Cal883301A_CombinedSpecifications_ Signed.pdf
7. 6b- 25-12_Cal883220A_CombinedSpecifications_Signed.pdf
8. 7a- 25-12_Cal883301A_Plans_FIINAL-Signed.pdf
9. 7b 25-12_Cal883220A_Final_Signed-Plans-2025-08-06.pdf
0. 8- 25-12_Cal883301A_&_Cal883220A_Appendix-1_Construction_&_AdminForms.pdf
17 September 202517 September 202517 September 202517 September 202517 September 202517 September 2025 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0Nzk2NzYxLSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9Ob3RpY2UtdG8tQmlkZGVycy5wZGY%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODAyNTIyLSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9BZmZpZGF2aXRfRG9jX0NDLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODAzMTYzLSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9Db25zdHJ1Y3Rpb25Db250cmFjdF9Eb2NfREQucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODAzMjI0LSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9CaWQtQm9uZF9Eb2NfRUUucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODA1MjU1LSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9CaWQtQ29uc3RydWN0aW9uX0Jvb2tfUkVRVUlSRU1FTlRTLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODEzNTY2YS0gMjUtMTJfQ2FsODgzMzAxQV9Db21iaW5lZFNwZWNpZmljYXRpb25zXyBTaWduZWQucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODEzNzE2Yi0gMjUtMTJfQ2FsODgzMjIwQV9Db21iaW5lZFNwZWNpZmljYXRpb25zX1NpZ25lZC5wZGY%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODExNzg3YS0gMjUtMTJfQ2FsODgzMzAxQV9QbGFuc19GSUlOQUwtU2lnbmVkLnBkZg%3D%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODI0NTI3YiAgMjUtMTJfQ2FsODgzMjIwQV9GaW5hbF9TaWduZWQtUGxhbnMtMjAyNS0wOC0wNi5wZGY%3D&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9 https://bids01.jaggaer.com/apps/Router/PublicEventDownload?file=U291cmNpbmdldmVudC8xMzQxMzQ5LTE4OTE0ODE2Mzg4LSAyNS0xMl9DYWw4ODMzMDFBXyZfQ2FsODgzMjIwQV9BcHBlbmRpeC0xX0NvbnN0cnVjdGlvbl8mX0FkbWluRm9ybXMucGRm&auth=MDpBRVMyI0NQNVp4a2IvSnkxZDNIUm81TGpka2h4M0V4bkpBZDlVSkVFUnk5WnZrK2l5eGZjOVRGNkRHUlU9
Questions Required Questions
Group 1:
Instructions:
1.1 Contractors are required to be registered with the Iowa Division of Labor. Is the Contractor registered with the Iowa Division of Labor?
1.2 I have reviewed the documents under the 'Buyer Attachments' section and acknowledge any and all addenda associated with this project (if any).
1.3 Please upload Proposal and Affidavit (Document CC), pages CC-1 through CC-3 here.
The Schedule of Prices associated with this project shall be entered in the 'Items' section of this project.
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Product Line Items Product Line Items
1. Cal883301A # Item Name, Commodity Code, Description Allow
Alternates Qty. UOM Requested Delivery
P1 Site Stripping and Preparation 1 LS - Lump Sum 9/1/2026
CS-IA-001
P2 Remove 24" RCP 80 LF - Linear Foot 9/1/2026
CS-IA-001
P3 Removal of Roadway Surface 158 SY - Square Yard 9/1/2026
CS-IA-001
P4 Pollution Control 1 LS - Lump Sum 9/1/2026
CS-IA-005
P5 Silt Fence 500 LF - Linear Foot 9/1/2026
CS-IA-005
P6 Buffer Seeding 11.3 AC - Acre 9/15/2026
CS-IA-006
P7 Structure Seeding - Hydroseeding and Mulch 1.1 AC - Acre 9/15/2026
CS-IA-006
P8 Mobilization and Demobilization 1 LS - Lump Sum 9/1/2026
CS-008
P9 Traffic Control 1 LS - Lump Sum 9/1/2026
CS-008
P10 Drain Tile Investigation and Removal 770 LF - Linear Foot 9/1/2026
CS-IA-009
P11 Excavation (Wetland Borrow) 5,065 CY - Cubic Yard 9/1/2026
CS-IA-021
P12 Excavation (General) 535 CY - Cubic Yard 9/1/2026
CS-IA-021
P13 Earthfill (West Road Shoulder) 4,142 CY - Cubic Yard 9/1/2026
CS-IA-023
P14 Earthfill (Islan Type Dam) 70 CY - Cubic Yard 9/1/2026
CS-IA-023
P15 Earthfill (Submerged Berm) 490 CY - Cubic Yard 9/1/2026
CS-IA-023
P16 Earthfill (Ditch Fill) 305 CY - Cubic Yard 9/1/2026
CS-IA-023
P17 Topsoil Placement 5,145 CY - Cubic Yard 9/1/2026
CS-IA-026
P18 PCC Pavement Patch 158 SY - Square Yard 9/1/2026
CS-IA-031
P19 SW-401 48" Diam. 1 EA - Each 9/1/2026
CS-IA-031
P20 SW-401 60" Diam. 1 EA - Each 9/1/2026
CS-IA-031
P21 RCP Culvert, 24" Diam. 248 LF - Linear Foot 9/1/2026
CS-IA-031
P22 RCP Flared End Section, 24" Diam. 6 EA - Each 9/1/2026
CS-IA-031
P23 Lift Station - SW-401 60" Diam. 1 EA - Each 9/1/2026
CS-IA-031
P24 Concrete Pile Support 3 EA - Each 9/1/2026
CS-IA-045
P25 PVC Pipe, 18" (Wetland Inlet) 19 LF - Linear Foot 9/1/2026
CS-IA-045
P26 PVC Pipe, 6" (Lift Station Discharge) 25 LF - Linear Foot 9/1/2026
CS-IA-045
P27 HDPE Pipe, 30" Diam (Non-perforated) 828 LF - Linear Foot 9/1/2026
CS-IA-046
P28 CMP Pipe, 15" Diam (Lift Station Discharge) 97 LF - Linear Foot 9/1/2026
CS-IA-051
P29 CMP Intake Riser, 30" Diam. 1 EA - Each 9/1/2026
CS-IA-051
P30 CMP Water Control Structure with Grate and Storage Structure 1 EA - Each 9/1/2026 17 September 202517 September 202517 September 202517 September 2025
CS-IA-051
P31 Revetment, IDOT Class E Riprap 399 TN - Ton 9/1/2026
CS-IA-061
P32 Aggregate Surfacing, IDOT Class A Roadstone 29 TN - Ton 9/1/2026
CS-IA-061
P33 Solar Lift Station System 1 EA - Each 9/1/2026
CS-IA-081
2. Cal883220A # Item Name, Commodity Code, Description Allow
Alternates Qty. UOM Requested Delivery
P1 Site Stripping and Preparation 1 LS - Lump Sum 6/1/2026
CS-IA-001
P2 Buffer Seeding 1.2 AC - Acre 6/30/2026
CS-IA-006
P3 Structural Seeding 1 AC - Acre 6/30/2026
CS-IA-006
P4 Mobilization and Demobilization 1 LS - Lump Sum 6/1/2026
CS-008
P5 Excavation (General) 1,775 CY - Cubic Yard 6/1/2026
CS-IA-021
P6 Earthfill (General) 1,775 CY - Cubic Yard 6/1/2026
CS-IA-023
P7 Modified SW-513 Structure with Grate and Wier Plate 1 EA - Each 6/1/2026
CS-IA-031
P8 SW-401 60" Dia. Lift Station 1 EA - Each 6/1/2026
CS-IA-031
P9 Concrete Pile Support 4 EA - Each 6/1/2026
CS-IA-031
P10 Tied Concrete Block Mat 2,200 SF - Square Feet 6/1/2026
CS-IA-031
P11 PVC Pipe, 6" (Lift Station Discharge) 44 LF - Linear Foot 6/1/2026
CS-IA-045
P12 CMP Pipe, 24" Dia. (Wetland Outlet) 41 LF - Linear Foot 6/1/2026
CS-IA-051
P13 CMP Pipe, 18" DIA. (Lift Station Inlet) 87 LF - Linear Foot 6/1/2026
CS-IA-051
P14 Revetment, IDOT Class E Riprap 218 TN - Ton 6/1/2026
CS-IA-061
P15 Aggregate Surfacing, IDOT Class A Roadstone 44 TN - Ton 6/1/2026
CS-IA-061
P16 Outlet Structure Debris Guard 1 EA - Each 6/1/2026
CS-IA-081
P17 Inlet Trash Guard 1 EA - Each 6/1/2026
CS-IA-081
P18 Solar Lift Station System 1 LS - Lump Sum 6/1/2026
CS-IA-081
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Service Line Items Service Line Items
There are no Items added to this event.
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File details come from the government source that posted it. Updated .