Install New HVAC Lohman Building - Jefferson Landing State Historic Site

The State of Missouri Office of Administration is seeking contractors to replace the HVAC system in the historic Lohman Building at Jefferson Landing State Historic Site, including associated architectural and structural modifications. This project involves full removal of existing mechanical equipment, installation of new heating, ventilation, and air‑conditioning units, coordination with historic preservation standards, and updating related building systems. • Full demolition of existing HVAC components and associated floor/ceiling work • Installation of new HVAC equipment, ductwork, piping, and controls per updated design • Required compliance with historic preservation guidelines and coordination with structural engineers • Delivery of as‑built documentation and testing/commissioning upon completion