Site work for a bridge / tunnel in North Liberty, Iowa. Completed plans call for site work for a bridge / tunnel.

Iowa River Wildlife Unit - Swan Lake Road Culvert Replacement This project consists of replacing an existing reinforced concrete box on Swan Lake Road in the Iowa River Wildlife Unit. Each bidder shall accompany the bid with a bid security as defined in Iowa code section 26.8. Scanned copies of the bid security will be accepted for those bidders submitting bids electronically. Additionally, the submission of an electronic bid security in the form of a certified check, cashiers check, or money order, the original security must be mailed to the Department at the Wallace State Office Building, 502 East 9th Street, Des Moines, IA 50319 within (5) business days of the bid letting date. The bid security must be in an amount set forth in the bidding documents and made payable to the Iowa Department of Natural Resources. Failure to execute a contract for the proposed work and file an acceptable Performance Bond, in an amount equal to 100% of the contract price and a certificate of liability insurance, within thirty (30) days of the date of the award of the contract, will be just and sufficient cause for the rescinding of the award and the forfeiture of the bid security. Sealed bids sent via email must be sent to constructionbids@dnr.iowa.gov All bids, and required documentation, must contain a scanned original signature - Electronic signatures are not allowed. When emailing bid documents, the subject line of the email must state the following: Project Number, Project Name, and Bid Letting Date. Please ensure the first page of the emailed attachment, or first of multiple attachments, is the bid proposal. No bids shall be accepted via FAX. Completion Date: 07/28/2023 SP-PPSP(6)--7C-00