Specifications include, but are not limited to: 1. Remove Cooling Towers on 4th floor roof of interior courtyard portion of the building and replace with new cooling towers. 2. Provide new 8-inch condenser water supply and return piping between mechanical room located on ground/basement floor up to new cooling towers. Existing condenser water piping to be abandoned in place (in an existing chase) and new condenser water piping to run adjacent to the existing along with a new refrigerant exhaust duct, conduits, etc. in a new chase (chase will extend an existing chase). 3. Remove two 250-ton water cooled chillers and replace with two new 250-ton water cooled chillers. 4. Remove two condenser water pumps, two primary chilled water pumps, three secondary chilled water pumps. Provide two new condenser water pumps, and three variable primary chilled water pumps.