Aquarium Roof, Clear Lake Fisheries Management Unit, Cerro Gordo County

The Iowa Department of Natural Resources is issuing a competitive quotation for a minor capital improvement roofing project at the Clear Lake Fish Hatchery located in Cerro Gordo County. The scope of work includes removing existing clay tile roofing from the aquarium portion of the hatchery, removing existing dormers and infilling those areas, installing new architectural asphalt shingles (approximately 17 squares), and installing parapet wall flashing (approximately 68 linear feet). The five line items for bidding include mobilization as a lump sum, demolition of the existing clay tile roof and dormers as a lump sum, roof decking with dormer infill (estimated 15 units), architectural asphalt shingles as a lump sum, and flashing as a lump sum. Contractors must submit bids electronically to constructionbids@dnr.iowa.gov by 3:00 PM CST on January 29, 2026, with project completion required by March 20, 2026. Site visits are mandatory prior to bidding, and contractors must verify all dimensions and conditions shown in the plans, notifying the DNR Engineer of any discrepancies. The approved architectural shingle options include CertainTeed Landmark Pro in Weathered Wood, Owens Corning Duration Designer in Summer Harvest, and Atlas Pinnacle Pristine in Majestic Strike, with contractors required to specify their intended selection in their bid submission. Contractors must verify their qualifications and capability to meet work restrictions, including no work from noon Friday through Monday and no work on holidays, and all work must conform to applicable codes and ordinances with minimal disturbance to grass areas.

The bid package does not specify set-aside designations or restrictions limiting participation to disadvantaged enterprises or specific organization types, indicating this is an open competitive procurement. If the contract price equals or exceeds twenty-five thousand dollars, bidders must provide a performance bond equal to 100 percent of the contract price, and all contractors are required to provide current certificates of liability and property damage insurance with minimum coverage of $250,000 per person and $500,000 per occurrence. Contractors must apply for and obtain an NPDES Stormwater Discharge Permit prior to commencing work if the project disturbs one or more acres. The award will be made to the lowest responsive, responsible bidder, with payment made on a unit price basis within 30 days of receipt and approval of payment requests, subject to departmental withholding of up to 5 percent consistent with Iowa Code Chapter 573. Liquidated damages of $500.00 per calendar day will be assessed for work not completed by the March 20, 2026 deadline, and all work is guaranteed for one year from the date of final acceptance, with any defective material or workmanship to be replaced at no cost to the department. Interested parties should contact Ken Howe, District 3 Engineer, at 319-240-3553 or kenneth.howe@dnr.iowa.gov for bid package documentation and additional information regarding this opportunity.