321 39th Street , Brooklyn, NY, 11232-2903
PIN#85024B0002001
Except for procurements for construction, a procurement using a PQL shall be considered a "special case" under these Rules.
This Project consists of HVAC upgrade of underperforming and ageing system, and includes the following: • Remove existing condenser water piping with insulation from Cellar to Roof as indicated on floor plans including vertical riser from cellar to attic floors and roof level. Disconnect & remove existing multi-stack chillers from basement. Provide new chiller at cellar and Air-Cooled Split Condenser at Roof floor. Connect new installed condenser to chiller, provide make up water system and condensate drain, connection to existing building chilled water supply and return system. Provide new air-cooled condenser with refrigerant pipes, Valves and Controls. Replace existing shell and tube type (2 no’s) heat exchanger, steam-to-hot water heat exchanger in basement boiler room. • Disconnect & remove air handling units (AC-1, AC-2 & AC-8) units at attic floor. Provide new air handling unit AC-1, AC-2 and AC-8 with structural base at attic floor serving the library, collection and storage room and elevator lobby with temperature & humidity controls. Retrofit existing BMS for AC-1, AC-2 &AC-8, air cooled chiller plant and for added new equipment. • Replace existing Fire damper, Smoke damper and Combination Fire and Smoke damper as shown per Layout Drawings, provide access doors in ducts and ceiling for dampers access. • Scope of work also includes ancillary works for Gypsum board, Gypsum Plastering and patching works at equipment replacement areas.