Specifications include, but are not limited to: replacement of an existing 140-ton chiller with a new 140-ton chiller with the capability of expansion to 240-tons, and associated demolition, construction, mechanical, and electrical work, including modifications to chilled water pumps and controls necessary for the new system's operation. Additive alternate proposals are included for upsizing chilled and condenser water piping; and for conversion to a variable flow, closed loop, chilled water system with new pumps, equipment, and modifications to existing piping, valving, controls, and appurtenances. ; The chiller shall be decommissioned and disassembled to allow removal from the building. The location of the new chiller shall provide space for expansion from 140-Tons to 240-Tons in the future. Required clearances of the future chiller buildout shall be coordinated with all other equipment in the space.