Langesen WPA 2 - NAWCA, Clear Lake Wildlife Unit, Winnebago County

The Iowa Department of Natural Resources (DNR) is soliciting bids for the Langesen WPA 2 - NAWCA project located in the Clear Lake Wildlife Unit in Winnebago County, Iowa. The procurement is for a construction project involving the installation of three earthen ditch plugs and one concrete water control structure, with associated site preparation and restoration work. Key deliverables include 500 cubic yards of earthfill, one water control structure, 25 linear feet of 18" CMP, site preparation and mowing, stone materials, filter sock installation, and seed/mulch materials. The project aims to enhance wetland restoration efforts in the area, with the contractor responsible for final grading, seedbed preparation, and furnishing seed and mulch, while the DNR will handle seed planting and mulch placement. Bid proposals are due electronically by 3:00 PM on March 13, 2025, with project completion required by September 15, 2025. Interested contractors must contact Heath Delzell, Project Engineer, at 515-979-0104 or heath.delzell@dnr.iowa.gov to obtain bid package documentation and proposal forms.

There are no specific set-aside designations or restrictions on organizational types mentioned in the procurement documents. The contract will be awarded on a unit price basis and requires a performance bond of 100% for contracts exceeding $25,000. Contractors must maintain public liability insurance of $250,000 per person and $500,000 per occurrence, along with property damage insurance of $250,000 per occurrence. Liquidated damages of $600 per day will be assessed for delays beyond the completion date. While no incumbent vendors are identified, the project requires careful integration with existing site conditions, including access from 510th St. or 200th Ave., and must conform to Iowa Statewide Urban Design and Specifications (SUDAS). The contract involves nine line items with specific unit pricing, though a total project budget is not explicitly stated. Potential bidders should carefully review the detailed engineering drawings and project specifications, which include precise requirements for concrete mix, reinforcement, and construction methodologies.