Rooftop Unit Replacement. Bid Bond 10% Scope of Work The Village of Winnetka is accepting sealed bids from properly qualified firms to replace multiple rooftop A/C units and Unit heaters at the Public Works facility located at 1390 Willow Road. The current units have been in place since roughly 2000. These are all operational but require frequent repairs. The Village's goal is to systematically replace these units over a set period of years with the scope of this contract focusing on Phase I replacements only. M/WBE's are encouraged to participate in the bid process. Scope of Service: The Scope of Services shall contain the following items: Rooftop Unit Replacement Scope. A. Replacement of the following existing rooftop units: i. Unit #5 (Trane, 5-ton) ii. Unit #3 (Trane, 2-ton) iii. Unit #7 (Trane, 4-ton) B. Recover refrigerant from each existing unit and dispose of the refrigerant in an environmentally responsible manner in accordance the E.P.A. regulations. C. Provide the services of a crane company to lift off the old unit and set the new unit in place. D. Remove and properly dispose of the existing rooftop unit. E. Furnish, deliver and install one new Trane brand package heat/cool rooftop unit with equivalent capacity for each unit being replaced. F. Furnish and install one new factory-supplied outside air economizer. This device can provide significant energy savings, as they deliver free cooling, instead of running the compressors to create mechanical cooling, when the outside temperature is cool. G. Furnish and install transitional electrical material to connect to the existing electrical wiring presently installed above the roofline. H. Furnish and install transitional gas piping to connect the new unit to the gas pipe presently installed above the roofline. I. Start-up the new unit and check for proper operation. J. Secure any and all permits required per Local or State law, regulation or ordinance. Unit Heater Replacement Scope A. A Replacement of 10 Reznor overhead heating units located at spots to be designated. . B. Provide and operate the heavy-duty lift necessary to safely lower the old Unit Heater and raise the new one. C. Dismount the old Unit Heater, remove it from your premises, and properly dispose of it in an environmentally responsible manner. D. Furnish and install a new Unit Heater. E. Furnish and install transitional gas piping. F. Furnish and install transitional electrical connections. G. Furnish and install transitional flue piping