The Sauk County Courthouse (515 Oak St., Baraboo, WI) will undergo a comprehensive renovation of its mechanical, electrical, and lighting systems. The work includes selective demolition, concrete work, ceiling removal, and replacement of HVAC equipment with a partial Variable Air Volume (VAV) system, new lighting fixtures, controls, power distribution, and fire alarm upgrades. The project is divided into three phases covering the basement, all floors, roof, and penthouse, totaling approximately 42,300 gross sq ft. Bidders must coordinate demolition, maintain utilities, protect existing finishes, and follow historic building code exemptions. All drawings and specifications are provided for construction.
• Scope: HVAC equipment replacement, VAV conversion, lighting and control upgrades, power and fire‑alarm work, ceiling demolition/replacement.
• Phased execution: Phase 1 (basement & west first floor), Phase 2 (east first floor & second floor), Phase 3 (third floor, roof, penthouse).
• Area: ~42,300 sq ft of building space; work area per floor detailed in the bid documents.
• Required qualifications: Experience with historic building alterations, commercial HVAC, lighting controls, and coordination with multiple trades.
• Submission deadline: 10/29/2026 10:00 AM; questions due 09/16/2026 04:00 PM; bid available 09/11/2026.