Project Information

Bid Title

Notice to Bidders: Concourse A & C HVAC and Cooling Tower Refurbishment

Issuing Agency

Des Moines International Airport

Location

Iowa

Published Date

Dec 4, 2025

Closing Date

Jan 6, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Inquiries

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Bid Documents

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Project Description

Notice to Bidders: Concourse A & C HVAC and Cooling Tower Refurbishment

December 4, 2025

Notice to Bidders: Concourse A & C HVAC and Cooling Tower Refurbishment

Attachment Preview

NOTICE TO BIDDERS

FOR

CONCOURSE A & C HVAC AND COOLING TOWER REFURBISHMENT

AT DES MOINES INTERNATIONAL AIRPORT

CONTRACT NO: 2023-18-20

Time and Place for Filing Sealed Proposals. Sealed bids for the work comprising each

improvement as stated below must be on file before 10:00 a.m. on January 6, 2026 in the office of

the Executive Director, Des Moines International Airport, 2nd Floor, Room 207, 5800 Fleur, Drive,

Des Moines, Iowa, 50321. Bids received after the deadline for submission of bids as stated herein

shall not be considered and shall be returned to the late bidder unopened.

Accessibility for Individuals with Disabilities. The Des Moines Airport Authority is pleased to

provide accommodations to individuals with disabilities or groups and encourages participation.

To better serve you, please notify us at least three business days in advance, when possible, at

515-256-5100, should special accommodation be required.

Time and Place Sealed Proposals Will be Opened and Considered. Sealed proposals will be

opened, and bids tabulated at 10:00 a.m. on January 6, 2026, in the Board Room, 2nd Floor, Des

Moines International Airport, 5800 Fleur, Drive, Des Moines, Iowa, 50321, for consideration by

the Des Moines Airport Authority Board (Board) at its meeting on january 13, 2026. The Board

may award a Contract at said meeting, or at such other time and place as shall then be announced.

General Nature of Public Improvement

CONCOURSE A & C HVAC AND COOLING TOWER REFURBISHMENT

Activity ID#: 2023-18-20

The Work generally consists of:

Refurbishment of four (4) of the existing multi-zone air handlers (MZ Units) serving the

Concourses. Includes installing new fans and casing, cleaning coils, coating drain pans and

installing new filtration. Temporary ventilation and cooling is required while each MZ unit is out

of service. Cooling tower refurbishment for two of the cooling towers includes overhaul of motor

and gear boxes and replacement of fill. Provide electrical power and building automation controls

work as required to support the refurbished air handlers and cooling towers. The Engineer’s

opinion of probable construction cost for the Work is $1,030,000.

Commencement of Work. Work on the improvements shall be commenced any time after a written

Notice to Proceed is issued and shall be completed as stated below. The Notice to Proceed will be

issued after the Board Meeting, which is expected to occur in January 2026.

Bid Security and Bonds. Each Bidder shall accompany its bid with bid security as defined in Iowa

Code Section 26.8, as security that the successful Bidder will enter into a Contract for the work bid

upon and will furnish after the award of Contract corporate Surety Performance and Payment

Bond(s), in a form acceptable to the Board, for the faithful performance of the Contract, in an amount

equal to one hundred percent (100%) of the amount of the Contract. The Bidder’s security shall be

in the amount of ten (10%) percent of the Bid and shall be in the form of a cashier’s check or a

Notice to Bidders-2024

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certified check drawn on an FDIC insured bank in Iowa or on an FDIC insured bank chartered under

the laws of the United States; or a certified share draft drawn on a credit union in Iowa or chartered

under the laws of the United States; or a Bid Bond on the form provided in the Contract Documents

with corporate Surety satisfactory to the Board. The bid shall contain no condition except as

provided in the specifications.

Performance, Payment, and Maintenance Bonds. Each successful Bidder will be required to furnish

corporate Surety Bonds in an amount equal to one hundred percent (100%) of its Contract price.

Said Bonds shall be issued by a responsible Surety approved by the Des Moines Airport Authority

and shall guarantee the faithful performance of the Contract and the terms and conditions therein

contained and shall guarantee the prompt payment of all material and labor, and protect and save

harmless the Des Moines Airport Authority from claims and damages of any kind caused by the

operations of the Contract and shall also guarantee the maintenance of the improvement caused by

failures in materials and construction for a period of two (2) years from and after acceptance of the

Contract.

Award of Contract. All proposals submitted in accordance with the instructions presented herein

will be subject to evaluation. Bids may be held by the Des Moines Airport Authority for a period

not to exceed 30 days from the date of the bid opening for the purpose of conducting the bid

evaluation. The Owner will base the award of contract upon the lowest aggregate sum proposal

submitted from those bidders the Owner confirms as being responsive and responsible. The right

is reserved, as the Des Moines Airport Authority may require, to reject any and all bids and to

waive any informality in the bids received.

Contract Documents. A copy of said plans, specifications, and form of contract, and estimated

total cost is now on file in the office of the Director of Engineering and Planning and may be

examined at the Des Moines International Airport, 2nd Floor, Room 207, 5800 Fleur, Drive, Des

Moines, Iowa.

Copies of the Bidding & Contract Documents may be obtained at Beeline and Blue, 2507

Ingersoll Avenue, Des Moines, IA 50312 (515-244-1611 or www.beelineandblue.com), in

accordance with the Instructions to Bidders. A record of plan holders will be updated daily and

posted on Beeline and Blue’s Online Plan room. Documents are available at a cost of $25, which

is refundable, provided the following conditions are met: (1) The Contract Documents are returned

complete and in a reusable condition, and (2) they are returned within fourteen (14) calendar days

after the award of the project.

Failure to submit a fully completed and accurate Bidder Status Form with the Proposal may result

in the Proposal being deemed non-responsive and may result in the Proposal being rejected.

Sales Tax. The bidder should not include sales tax in the bid. A sales tax exemption certificate

will be available for all material purchased for incorporation in the project.

Preference of Products and Labor. By virtue of statutory authority, a preference will be given to

products and provisions grown and coal produced within the State of Iowa.

Notice to Bidders-2024

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In accordance with Iowa statutes, a resident bidder shall be allowed a preference as against a

nonresident bidder from a state or foreign country if that state or foreign country gives or requires

any preference to bidders from that state or foreign country, including but not limited to any

preference to bidders, the imposition of any type of labor force preference, or any other form of

preferential treatment to bidders or laborers from that state or foreign country. The preference

allowed shall be equal to the preference given or required by the state or foreign country in which

the nonresident bidder is a resident. In the instance of a resident labor force preference, a nonresident

bidder shall apply the same resident labor force preference to a public improvement in this state as

would be required in the construction of a public improvement by the state or foreign country in

which the nonresident bidder is a resident.

Title VI Solicitation Notice. The Des Moines Airport Authority, in accordance with the

provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 U.S.C. §§ 2000d to 2000d-

4) and the Regulations, hereby notifies all bidders that it will affirmatively ensure that any contract

entered into pursuant to this advertisement, disadvantaged business enterprises will be afforded

full and fair opportunity to submit bids in response to this invitation and will not be discriminated

against on the grounds of race, color, or national origin in consideration for an award.

Completion of Work. This project shall be fully completed no later than August 28, 2026.

Pre-Bid Conference and Mandatory Site Tour. A pre-bid conference will be held on Tuesday,

December 16, 2025 at 11:00 am, followed immediately by a site tour. A second site tour will be

held on Friday December 19, 2025 at 9:00 am. The pre-bid meeting and meeting location for the

the site tours will be in the Cloud Room, 2nd Floor, Des Moines International Airport, 5800 Fleur

Drive, Des Moines, IA 50321. All prime contractors planning to submit a bid must attend at

least one of the site tours.

The Des Moines Airport Authority reserves the right to reject any or all bids, to waive

informalities, and to enter into such contract, or contracts, as it shall deem to be in the best interest

of the Authority.

This Notice is given by authority of the Des Moines Airport Authority.

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Commodity Codes

• NAICS 238220Plumbing, Heating, and Air-Conditioning Contractors

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