Purchasing Section


The current solicitation schedule provides the list of current needs for the department. This site contains solicitations for facility improvement projects, miscellaneous large and small equipment, vehicles, information technology services and miscellaneous goods and services. Types of requests are categorized as; requests for bid (RFB), requests for proposal (RFP) or request for information (RFI).

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Request for information
An RFI may be sought by the Department at any time for purposes of seeking industry knowledge of products or services. There are no awards or purchases made by the Iowa DOT for these types of requests.

The Iowa Administrative Code defines two types of solicitation; Formal and Informal based on thresholds of cost

  1. Formal
    A formal, sealed bid procedure is used for purchase of goods and/or services exceeding $50,000.00.
  2. Informal
    An Informal bid procedure is used for purchase of goods and/or services less than $50,000.00.

All correspondence, documents, addendums or other pertinent information will be posted below for each solicitation. Vendors will be required to visit the current solicitation schedule periodically for all updates.

Please use the furnished mailing label included in each bid proposal, or include  “Iowa Department of Transportation, proposal number & letting date” on the outside of the return envelope.

The list of solicitations will be refreshed at 3 p.m. each day.

Construction projects

The Iowa DOT's Purchasing Section does not provide plan holders names of potential prime contractors. Sets of plans and specifications for construction projects are now attached to the posted solicitation opportunity list. To the fullest extent possible, plan rooms will be utilized statewide for potential bidders to have the ability to print the solicitation, plans and specifications.

Formal Listing

Request for Bid (RFB)

Proposal No. Description Response Due Date Bid Bond Required (Y/N) Agent
RFB21597 Hydraulic Cylinders
N Jean Gustafson
RFB21257 Portable Dynamic Message Sign (PDMS) Rentals
N Jean Gustafson
RFB21437 Light Poles and Mastarms

Addendum 1
N Tiffany Stupp
RFB21456 Replacement of Roof at Spirit Lake DOT Maintenance Facility

Y Jody McNaughton
RFB21494 Construction of District 5 Offices, Materials Lab and Construction Offices at Fairfield Maintenance Facility


Addendum 1

Questions and responses 1

Addendum 2

Questions and responses 2

Mandatory Pre-bid meeting for General Contractors.

Date: Sept. 14, 2018

Time: 11:00a.m.

Location: 301 West Briggs, Fairfield IA 52556
Jody McNaughton
RFB21212 I-80/I-380 Fiber Optic Installation and Splicing

N Zach Gillen

Request for Proposal (RFP)
Proposal No. Description Response Due Date Bid Bond Required (Y/N) Agent

IRP/IFTA and CVIEW Solution and Associated Services

Appendix D - Requirements Matrix

Questions and responses

N Carrie May

Informal Listing

Proposal No. Description Response Due Date Email Agent

Remove and install a new furnace, A/C unit, thermostat and conduct duct cleaning at the Avoca Maintenance Facility


Mandatory site visit scheduled
Date: Sept. 25, 2018
Time 10 a.m.
Location: 1110 Chest Nut Avoca, IA 51521
Jody McNaughton

Removal and replacement of four gas fired heaters at Red Oak DOT Maintenance Facility


Mandatory site visit scheduled
Date: Sept. 25, 2018
Time 9 a.m.
Location: 1903 Broadway, Red Oak, IA 51566
Jody McNaughton

Installation of a mini split system (furnace & A/C) in office at Des Moines North DOT Garage



Mandatory site visit scheduled
Date: Sept. 21, 2018
Time 1 p.m.
Location: 1530 NE 53rd St., Des Moines, IA 50313
Jody McNaughton

Drilling of test well at DOT's Martensdale Maintenance Facility


9/25/2018 Jody McNaughton

Cleaning of HVAC coils located in the Materials Lab on DOT Ames Complex

9/27/2018 Jody McNaughton
RFB21561 Remove and replace a chilled water pump and two hot water pumps located at DOT Ames Complex

Materials lab pump photos

NW wing pump photos

Chiller pump photos

9/27/2018 Jody McNaughton

Carpet Replacement in Management Team area

9/21/2018 Rhonda Ruark
RFB21500 Council Bluffs North Garage Repairs


Questions and responses 1

Addendum 1

Mandatory Pre-bid
Date: Sept. 18, 2018
Time: 1 p.m. Location: 2501 N. 25th, Council Bluffs, IA 51501
Jody McNaughton
RFB21474 Ames warehouse water service upgrade to replace the 2" water line


Addendum 1

Addendum 2

Addendum 3
Revised Response Due Date 9/13/2018 Jody McNaughton
RFB20594 Jib crane pier This posting has been removed. Jody McNaughton
RFB20593 Jib crane installation This posting has been removed. Jody McNaughton

Pedestal Mounted Portable Traffic Signal System

1/4/2018 Zach Gillen

All posted requests are subject to change. It is the responsibility of each vendor to check this Web site for all addendums, questions, revisions, etc., prior to the response due date.