Rooftop Heating & Cooling Unit Replacement

This contract covers the replacement of a single rooftop heating and cooling unit (RTU) at Appleton International Airport. The work includes removal and disposal of the existing Trane unit, installation of a new factory‑assembled, R‑454B‑charged 35‑ton Trane RTU, and a one‑year warranty on materials and workmanship. The contractor must obtain an FAA crane permit (paid by the airport), secure Security Identification Display Area (SIDA) badges for all personnel ($85 each), provide a 5 % bid bond, and furnish performance and payment bonds equal to the contract sum. The project must be substantially completed by 30 Nov 2025, with liquidated damages of $100 per day after 31 Oct 2025, and final completion by 10 Dec 2025. The contract is a firm‑fixed‑price, competitive sealed‑bid award to August Winter & Sons for a bid value of $95,340. • Replace existing rooftop HVAC unit with new Trane RTU (35‑ton, DX cooling/natural‑gas heat). • Mandatory site visit, FAA crane permit, SIDA badge requirements, and full insurance/bonding compliance. • Schedule: award 31 Jul 2025 → substantial completion 30 Nov 2025 → final completion 10 Dec 2025.