26-08 Cal883432B (Calhoun)
| Location: | Iowa |
|---|---|
| Posted: | Aug 4, 2026 |
| Due: | Aug 26, 2026 |
| Agency: | State Government of Iowa |
| Type of Government: | State & Local |
| Category: |
|
| Solicitation No: | 26-08 Cal883432B (Calhoun) |
| Publication URL: | To access bid details, please log in. |
Bid Information
Bid Number
26-08 Cal883432B (Calhoun)
Solicitation
26-08 Cal883432B (Calhoun)
Solicitation Type
Request for Bids
County
Calhoun
Description
Description
In general, the work involves, but is not limited to, selective clearing, excavation and grading, tied-concrete block mat placement, along with tile and outlet structures, riprap placement, and seeding. This project includes around 13,800 cubic yards of earthwork, 2,750 square feet of tied-concrete block mat, 769 linear feet of various tile installation, a water control structure, 31 tons of riprap and erosion stone, 4 acres of seeding. The estimated construction cost range for this project is $135,000 to $155,000.
Completion Dates:
Construction: November 30, 2026
Buffer Seeding: December 15, 2026
Agency Information
Number
009
Name
Agriculture and Land Stewardship
Address 1
502 E 9TH ST
Address 2
City/State/Zip
Des Moines, IA 50319
Contact Information
Contact Name
Tracy Blocker
Contact Title
Contract Manager
Contact Email
Contact Phone Number
(515) 344-6279
Contact Phone Extension
Contact Other Number
Contact Fax Number
Valid Dates
From
8/4/2026 9:33:00 AM
Until
8/26/2026 3:00:00 PM
Documents/Attachments
Attachment Preview
STATE OF IOWA
DEPARTMENT OF AGRICULTURE AND LAND STEWARDSHIP
DIVISION OF SOIL CONSERVATION AND WATER QUALITY
Cal883432B NUTRIENT REDUCTION
WETLAND PROJECT
CONSTRUCTION CONTRACT
BID NO. 26-08
SECTION 32, TOWNSHIP 88 NORTH, RANGE 34 WEST
CALHOUN COUNTY, IOWA
PREPARED FOR:
PREPARED BY:
IOWA DEPARTMENT OF AGRICULTURE & LAND STEWARDSHIP
DIVISION OF SOIL CONSERVATION AND WATER QUALITY
HOOVER STATE OFFICE BUILDING
1305 EAST WALNUT STREET
DES MOINES, IOWA 50319
ISG INC
1725 N LAKE AVE
STORM LAKE, IA 50588
August 2026
TABLE OF CONTENTS
GENERAL REQUIREMENTS
DOCUMENT AA
Notice-to-Bidders
DOCUMENT BB
Instruction–to-Bidders
DOCUMENT CC
Proposal and Schedule of Prices
DOCUMENT DD
Construction Contract
DOCUMENT EE
Proposal Guarantee (Bid Bond)
DOCUMENT FF
General Conditions
DOCUMENT GG
Special Conditions
DOCUMENT NN
Performance Bond
CONSTRUCTION SPECIFICATIONS
Title
Certification
Table of Contents
IA CS-001
Site Preparation
IA CS-005
Pollution Control
IA CS-006
Seeding and Mulching for Protective Cover
IA CS-008
Mobilization & Demobilization
IA CS-009
Subsurface Drain Investigation, Removal and Repair
IA CS-011
Removal of Water
IA CS-021
Excavation
IA CS-023
Earthfill
IA CS-024
Drainfill (Sand)
IA CS-026
Topsoiling
IA CS-031
Concrete
IA CS-045
Plastic (PVC, PE) Pipe
IA CS-046
Tile Drains for Land Drainage
IA CS-051
Corrugated Metal Pipe Conduits
IA CS-061
Loose Rock Riprap
PLANS
TITLE
NOTES AND QUANTITIES
DETAILS
DETAILS
SITE RESTORATION PLAN
EXISTING SITE - WATERSHED
SITE PLAN
PLAN - PROFILE
OUTLET STRUCTURE & TILE
GRADING PLAN
CUT-FILL
CROSS SECTION
C0-10
C0-20
C0-30
C0-31
C1-10
C2-10
C3-10
C3-20
C3-21
C4-10
C4-20
C4-30
Page(s)
AA 1
BB 1-5
CC 1-4
DD 1-2
EE 1
FF 1-28
GG 1-3
NN 1-3
1
1
1
1-1 to 1-2
5-1 to 5-3
6-1 to 6-4
8-1 to 8-2
9-1 to 9-5
11-1 to 11-2
21-1 to 21-3
23-1 to 23-4
24-1 to 24-2
26-1 to 26-2
31-1 to 31-6
45-1 to 45-4
46-1 to 46-5
51-1 to 51-4
61-1 to 61-2
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APPENDIX I – CONSTRUCTION ADMINISTRATION FORMS
DOCUMENT LL
DOCUMENT MM
DOCUMENT JJ
DOCUMENT SS
DOCUMENT HH
DOCUMENT II
DOCUMENT QQ
Notice-of-Award
Notice-to-Proceed
Construction Progress Schedule
Application & Certificate for Payment
Change Order Request
Construction Contract Amendment
Iowa Sales & Use Tax Form
APPENDIX II – ADDENDA & BID TAB
[Addenda, if any, and bid tab to be added after bidding]
LL 1
MM 1
JJ 1-2
SS 1-2
HH 1-2
II 1-3
QQ 1
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GENERAL REQUIREMENTS
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State Government of Iowa
Bid Due: 9/24/2026
* Disclaimer: Information regarding bids, requests for proposals (RFPs), or requests for qualifications (RFQs) is provided on this website only for convenience and does not constitute official public notice. Persons wishing to respond to or inquire about bids, RFPs, or RFQs should contact the appropriate government department.