Removal of (2) existing chillers, condensers, refrigerant piping up to and on roof, chilled water piping in mechanical room, and associated electrical and automatic controls. b. Installation of new chiller, chilled water piping to unit on grade, chilled water piping in mechanical room, chilled water pumps, water specialties, insulation, controls and appurtenances. c. Hydronic/chilled piping modification to provide chiller primary / secondary pump arrangement. d. Factory startup and commissioning of new chilled water systems and applicable controls. e. Provide new system controls and associated system programming within existing BMS system. Program as required to provide primary/secondary pumping with dual temperature water pumps. f. Provide factory authorized Start-Up documentation, Pump Warranties, System Test & Balance and associated close out O&M materials.