Seal Coating Various Locations in Black Hawk County.

The Black Hawk County Engineer’s Office is seeking qualified contractors to perform county‑wide seal coating on a total of approximately 5.22 miles of roadway across multiple locations. The work involves applying an aggregate cover and a binder bitumen seal to extend pavement life, and must comply with Iowa DOT qualifications and insurance requirements (minimum $1 M General Liability). The contract requires completion by mid‑September 2026. • Scope: Seal coating ~5.22 mi of county roads (aggregate + binder) • Requirements: Iowa DOT qualification, $1 M GL insurance, compliance with county specifications • Timeline: Bid turn‑in by May 22 2026, bid opening May 26 2026, project completion by September 15 2026 • Location: Various sites throughout Black Hawk County, IA • Submission: Digital ID required; all bids submitted to the County Engineer’s Office (316 E. 5th St., Room 211)