26-02 Cal883229BN & BS (Calhoun)
| Location: | Iowa |
|---|---|
| Posted: | Apr 17, 2026 |
| Due: | May 20, 2026 |
| Agency: | State Government of Iowa |
| Type of Government: | State & Local |
| Category: |
|
| Solicitation No: | 26-02 Cal883229BN & BS (Calhoun) |
| Publication URL: | To access bid details, please log in. |
Bid Information
Bid Number
26-02 Cal883229BN & BS (Calhoun)
Solicitation
26-02 Cal883229BN & BS (Calhoun)
Solicitation Type
Request for Bids
County
Calhoun
Description
Description
Completion Dates: Construction: December 31, 2026; Seeding: May 15, 2027 (Structure Seeding) & June 30, 2027 (Buffer Seeding)
2 sites - 1 contract
CAL883229BN - North
This is a pumped nutrient reduction wetland. Work involves selective clearing, excavation and grading, installation of lift stations with solar powered pumps, force main, tile, inlet risers, water control structures, drawdown pipes, riprap and seeding. The estimated construction cost range is $ 375,000 to $ 475,000.
CAL883229BS - South
This if a pumped nutrient reduction wetland. Work involves selective clearing, excavation and grading, installation of lift station with solar powered pump, force main, tile, inlet risers, water control structures, drawdown pipes, riprap and seeding. The estimated construction cost range is $ 175,000 to $ 275,000.
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
4/17/2026 9:37:00 AM
Until
5/20/2026 3:00:00 PM
Documents/Attachments
Attachment Preview
STATE OF IOWA
DEPARTMENT OF AGRICULTURE AND LAND STEWARDSHIP
DIVISION OF SOIL CONSERVATION AND WATER QUALITY
Cal883229BN-North & BS-South NUTRIENT
REDUCTION WETLAND PROJECT
CONSTRUCTION CONTRACT
BID NO. 26-2
SECTION 29, TOWNSHIP 88 NORTH, RANGE 32 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
SHIVE-HATTERY
4125 WESTOWN PARKWAY, SUITE 100
WEST DES MOINES, IA 50266
515-233-8104
April 2026
TABLE OF CONTENTS
GENERAL REQUIREMENTS
DOCUMENT AA
DOCUMENT BB
Notice-to-Bidders
Instruction–to-Bidders
DOCUMENT CC
Proposal and Schedule of Prices
DOCUMENT DD
DOCUMENT EE
DOCUMENT FF
DOCUMENT GG
DOCUMENT NN
Construction Contract
Proposal Guarantee (Bid Bond)
General Conditions
Special Conditions
Performance Bond
CONSTRUCTION SPECIFICATIONS
IA CS-001
Site Preparation
IA CS-005
IA CS-006
IA CS-008
IA CS-009
IA CS-011
IA CS-021
IA CS-023
Pollution Control
Seeding and Mulching for Protective Cover
Mobilization & Demobilization
Subsurface Drain Investigation, Removal and Repair
Removal of Water
Excavation
Earthfill
IA CS-024
IA CS-026
Drainfill (Sand)
Topsoiling
IA CS-031
Concrete
IA CS-045
Plastic (PVC, PE) Pipe
IA CS-046
IA CS-051
IA CS-061
IA CS-081
IA CS-095
33 4411
26-0519
Tile Drains for Land Drainage
Corrugated Metal Pipe Conduits
Loose Rock Riprap
Metal Fabrication
Geotextile
Pump Station 33 44 11 (NRCS CS-045)
Low-Voltage Electrical Power Conductors & Cables
26-0526
26-0529
Grounding & Bonding for Electrical Systems
Hangers & Support for Electrical Systems
26 0533.13
Conduit for Electrical Systems
26 2816.16
26 3100
Enclosed Switches
Photovoltaic Collectors
PLANS
C000
C001
C002
CD01
Cover Sheet
Project Quantities
Project Notes
Existing Conditions and Removals
C101
C102
C103
C104
C105
C106
NORTH Wetland Grading Plan
NORTH Wetland Cut-fill Plan
NORTH Drawdown Plan & Profile
NORTH Wetland Pump Station 1 Plan & Profile
NORTH Wetland Pump Station 2 Plan & Profile
NORTH Seeding Plan
Continued on next page
Page(s)
AA 1-2
BB 1-5
CC 1-5
DD 1-2
EE 1
FF 1-28
GG 1-4
NN 1-3
1-1 to 1-2
5-1 to 5-3
6-1 to 6-4
8-1 to 8-2
9-1 to 9-4
11-1 to 11-2
21-1 to 21-3
23-1 to 23-6
24-1 to 24-2
26-1 to 26-2
31-1 to 31-6
45-1 to 45-5
46-1 to 46-4
51-1 to 51-5
61-1 to 61-3
81-1 to 81-2
95-1 to 95-4
45-1 to 45-5
26 0519-1 to 26 0519-7
26 0526-1 to 26 0526-4
26 0529-1 to 26 0529-5
26 0533.13-1 to 26 0533.13-7
26 2816.16-1 to 26816.16-5
26 3100-1 to 26 3100-11
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C201
C202
C203
C204
C205
C206
C301
C302
C303
C304
C305
E101
E102
SOUTH Wetland Grading Plan
SOUTH Wetland Cut-fill Plan
SOUTH Embankment Plan & Profile
SOUTH Wetland Drawdown Plan & Profile
SOUTH Wetland PUMP Station Plan & Profile
SOUTH Seeding Plan
Construction Details
Construction Details
Construction Details
NORTH Wetland Duplex Pump Details
SOUTH Wetland Simplex Pump Details
NORTH Wetland Pump Station
SOUTH Wetland Pump Station
APPENDIX I – CONSTRUCTION ADMINISTRATION FORMS
DOCUMENT LL
DOCUMENT MM
DOCUMENT JJ
Notice-of-Award
Notice-to-Proceed
Construction Progress Schedule
DOCUMENT SS
Application & Certificate for Payment
DOCUMENT HH
Change Order Request
DOCUMENT II
Construction Contract Amendment
DOCUMENT QQ
Iowa Sales & Use Tax Form
APPENDIX II – ADDENDA & BID TAB
[Addenda, if any, and bid tab to be added after bidding]
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LL 1
MM 1
JJ 1-2
SS 1-2
HH 1-2
II 1-3
QQ 1
ii
GENERAL REQUIREMENTS
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See also
...construction), excavation (spillway & borrow), tile investigation, tile breaks, and water control...
State Government of Iowa
Bid Due: 6/11/2026
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