Project Information

Bid Title

26-02 Cal883229BN & BS (Calhoun)

Issuing Agency

State Government of Iowa

Location

Iowa

Published Date

Apr 17, 2026

Closing Date

May 20, 2026

Government Level

State & Local

Status

Closed

Ref. #

26-02 Cal883229BN & BS (Calhoun)

Original Source

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Bid Documents

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Project Description

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

Tracy.Blocker@iowaagriculture.gov

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

QA QC Plan

4/17/2026 8:49:24 AM

H & H Report

4/17/2026 8:49:13 AM

Appendix I

4/17/2026 8:48:59 AM

Plans

4/17/2026 8:48:49 AM

Specifications

4/17/2026 8:48:36 AM

Bid Bond

4/17/2026 8:48:20 AM

Schedule of Prices

4/17/2026 8:48:05 AM

Proposal & Affidavit

4/17/2026 8:47:47 AM

Notice to Bidders

4/17/2026 8:47:26 AM

General Requirements

4/17/2026 8:47:13 AM

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

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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

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GENERAL REQUIREMENTS

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