Replace Roof on the Perry Maintenance Garage

The Iowa Department of Transportation is seeking competitive sealed bids to completely replace the roof of the Perry Maintenance Garage. The scope includes removal of existing roofing components, installation of new polyisocyanurate insulation (R‑30), a 1/4‑in. cover board, a 60‑mil EPDM membrane, new gutters, flashings, downspouts, and sheet‑metal coping, while keeping the building operational throughout construction. Bidders must submit unit‑price responses for both line items and comply with Iowa Administrative Code 761‑20. The project is expected to start September 1 2026 and finish by October 15 2026, with a total contract value not disclosed. • Remove existing roof, flashings, gutters, downspouts; install R‑30 polyisocyanurate insulation, cover board, EPDM membrane. • Provide new edge flashing, gutters, downspouts, and sheet‑metal coping; maintain building occupancy during work. • Mandatory bid submission by August 20 2026 1:00 PM CDT; site visits available Aug 10 & 11 2026; award after bid opening on Aug 20 2026.