A. The purpose of this project is to provide cleaner air to the building by adding bi-polar ionization and better filtration. Work shall include but not be limited to replacing the existing air handler AH-J1. B. The contractor shall remove and replace existing air handler and accessories as outlined in the construction documents and modify ductwork and piping as required for connection to new equipment. Including but not limited to replacing chilled water control valve and outside air damper as noted on plans and specifications. C. The contractor shall replace the end suction pump associated with building and accessories as outlined in the construction documents and modify piping as required for connection to new pump. D. The contractor shall re-insulate all ductwork in the mechanical room associated with the replaced AHUs, including supply air, return air, outside air, and mixed air ducts as applicable. E. All VAV boxes shall be replaced and new thermostats provided and installed as noted on plans. F. All ductwork shall be cleaned. G. Add ductless spit system to electrical room. H. The contractor shall coordinate any downtime of HVAC systems to be replaced with East Georgia State College. All work shall be limited to the systems associated with the AHUs; the central plant and individual building services shall remain operational throughout the project. I. The contractor shall coordinate equipment sizes and clearances with the existing conditions prior to purchase or installation of any material.