Demolition, site work, paving and new construction of a mixed-use development in Waterloo, Iowa. Completed plans call for the demolition of a municipal facility.

This project consists of removal of existing buildings and construction of a new office and shop building, plus related earthwork, paving and site utilities, and incidental work as required by the Plans and/or the DNR Construction Inspector. The new building work includes concrete slab floors and foundations, wood framing (stud walls and manufactured roof truss), exterior sheet metal cladding (walls, roof and soffits), gutters and downspouts, insulation (blown-in and batt types), composite windows, doors and frames (hollow metal, wood and overhead sectional types), interior finishes (drywall, acoustical ceilings and painting), casework (cabinets and countertops), toilet room accessories, shop heating and ventilation, office HVAC, plumbing (water, waste and gas piping, and fixtures), electrical power and lighting, communication cabling, and fire alarm and detection systems. Sitework includes demolition (existing buildings, sidewalks, retaining wall and concrete pads), grading, new paving (concrete and compacted gravel), relocation of existing fuel tank and security gate, existing utility modifications (water, sanitary, storm, natural gas and electrical), and a new flagpole. Sealed bids will be received by the Iowa Department of Natural Resources, at 6200 Park Avenue, Suite 200, Des Moines, IA, 50321, or via email at constructionbids@dnr.iowa.gov until 11:00am, April 23, 2026. When emailing bid documents, the subject line of the email must state the following: Project Number - Project Location, and Bid Letting Date. Please ensure the first page of the emailed attachment, or first of multiple attachments, is the bid proposal. Question Deadline 04/17/2026 at 4:30 PM CT All substitution requests and questions must be submitted by 4:30pm the friday prior to the bid letting to be considered.