Site work for a transportation facility in Des Moines, Iowa. Completed plans call for site work for a transportation facility.

The Work generally consists of: relocation of the gas service feeding the A & C Concourse, relocation of the fire pump electrical feeder originating at the Bag Claim substation, and relocation of an existing generator load bank from Bldg. 3 to Bag Claim. Relocation of the gas service and fire pump feeder will involve directional boring of new services under the existing apron. Both the gas service and the electrical service will include work above grade and within Bag Claim. The existing load bank has been partially disconnected from Bldg 3 and is ready for relocation to Bag Claim. The load bank will support an existing generator in Bag Claim. These projects are being completed ahead of a future project to demolish a portion of the existing Terminal. 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 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. 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. 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. 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. 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. By virtue of statutory authority, a preference will be given to products and provisions grown and coal produced within the State of Iowa. 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. Question Deadline 04/28/2026 All questions about the meaning or intent of the Bidding Documents are to be submitted to ENGINEER in writing, either through mail, email, or fax. Contact individual shall be as follows: Holly Elbert, P.E. BBS Architects Engineers 219 Eighth Street, Suite 100 Des Moines, Iowa 50309 515-365-8244 helbert@bbsae.com Final Questions from bidders – April 24, 2026.