Specifications include, but are not limited to: The Halls Building at Kentucky State University is a three-story / three wing dormitory building with a fourth single story student services wing. This project consists of restoring pre-conditioned replacement ventilation air to each of the three 3-story dorm wings. Each wing will be provided with a Rooftop Replacement Air (RRA) Unit located on the roof near the end of the respective wing. The supply air will be fed through the roof, and subsequently through the third and second floors to supply replacement air to the corridors of each floor on each wing. The routing of the duct requires a rated chase around the supply air duct, Fire dampers and comb. Smoke & Fire dampers at each corridor wall penetration. The RRA units require distributing power to a new third floor electrical panel and individual circuits distributed on the roof to the RRA units. Additionally. each RRA rooftop unit requires integration to the existing Building Automation System and interlock with the Life Safety system for RRA and Comb. Fire & Smoke Dampers.