Specifications include, but are not limited to: a. Replace all unit ventilators with new units throughout school. i. Connect to existing lines for heating/chilled water in a 2-pipe change-over design to match the existing. b. Remove old chiller, patch roof. Install new chiller outside of boiler room. Provide gated fence enclosure. c. Add A/C coils to HVAC units in: Kitchen, Cafeteria, and Music rooms. i. Retain existing chilled water lines in the mechanical mezzanine above the Kitchen. Pipe chilled water to all coil locations at air handlers and multi-zone units that serve the Music Area, Cafeteria, Stage, and Staff Area. Replace any coils that do not hold a pressure test in the multizone units, and three air handlers. ii. Retain existing heating water piping to existing coils in the air handlers and multi-zone units that serve the Music, Cafeteria, Stage, Kitchen and Staff Area. d. Old shop area: refurb air handlers, add A/C coils and updates controls as necessary. e. Replace heating / chilled water pumps in the boiler room. f. All new heating, chilled piping to be run in the tunnels where tunnels exist. g. Where tunnels do not exist, lines will be run in mechanical rooms. h. Replace pneumatic controls with JCI digital controls, clean up pneumatics cabinet. Remove anything that is no longer used, label all components.