Project Information

Bid Title

26-03 Ham892326B (Hamilton)

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. #

26-03 Ham892326B (Hamilton)

Original Source

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Bid Inquiries

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Bid Documents

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Project Description

Bid Information

Bid Number

26-03 Ham892326B (Hamilton)

Solicitation

26-03 Ham892326B (Hamilton)

Solicitation Type

Request for Bids

County

Hamilton

Description

Description

Completion Dates:         Construction: November 15, 2026; Seeding: May 15, 2027 (Structure) and June 30, 2027 (Buffer)

This is a Tile Zone nutrient reduction wetland. Work involves selective clearing, excavation, grading, reinforced concrete pipe (RCP) installation, high density polyethylene (HDPE) dual wall pipe installation, tied concrete block mat (Flexamat Plus or engineer approved equal), concrete manholes and seeding. The estimated cost range between $250,000 and $350,000.

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 9:49:00 AM

Until

5/20/2026 3:00:00 PM

Documents/Attachments

QA QC Plan

4/17/2026 8:59:32 AM

H & H Report

4/17/2026 8:59:11 AM

Plans

4/17/2026 8:58:53 AM

Specifications

4/17/2026 8:58:29 AM

Bid Bond

4/17/2026 8:58:15 AM

Schedule of Prices

4/17/2026 8:58:00 AM

Proposal and Affidavit

4/17/2026 8:57:43 AM

Notice to Bidders

4/17/2026 8:57:25 AM

General Requirements

4/17/2026 8:57:13 AM

Attachment Preview

STATE OF IOWA

DEPARTMENT OF AGRICULTURE AND LAND STEWARDSHIP

DIVISION OF SOIL CONSERVATION AND WATER QUALITY

Ham892326B NUTRIENT REDUCTION

WETLAND PROJECT

CONSTRUCTION CONTRACT

BID NO. 26-03

SECTION 26, TOWNSHIP 89 NORTH, RANGE 23 WEST

HAMILTON 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

BOLTON & MENK

1519 BALTIMORE DR

AMES, IA 50010

515-509-9296

April 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

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-021

Excavation

IA CS-023

Earthfill

IA CS-026

Topsoiling

IA CS-031

Concrete

IA CS-046

Tile Drains for Land Drainage

IA CS-061

Loose Rock Riprap

IA CS-001

Site Preparation

IA CS-005

Pollution Control

PLANS

Sheet Number

A.01

A.02

A.03

B.01

B.02

B.03

B.04

C.01

D.01

D.02

K.01

M.01

M.02

M.03

Sheet Title

Title Sheet

Plan Overview Sheet

Existing Conditions & Removals

CPDT Installation Detail

RCP Installation Detail

Wetland Inlet Structure

Wetland Outlet Structure

Estimated Quantities

Separation Berm Plan 7 Profile

Connection Channel & Diversion Berm

Seeding Plan

Plan & Profile - Tile Relays

Partial Capture Inlet & Private Tile Re-lay

Wetland Outlet

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 to 1-2

5-1 to 5-2

6-1 to 6-4

8-1 to 8-3

9-1 to 9-4

21-1 to 21-3

23-1 to 23-4

26-1 to 26-2

31-1 to 31-8

46-1 to 46-4

61-1 to 61-2

1-1 to 1-2

5-1 to 5-2

Date

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

01/22/2026

i

APPENDIX I – CONSTRUCTION ADMINISTRATION FORMS

DOCUMENT LL

Notice-of-Award

DOCUMENT MM Notice-to-Proceed

DOCUMENT JJ

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]

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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