Z2da--(Con) 635 - Oklahoma City Vamc Replace Lawton Outpatient Clinic Air Cool Chiller (Va-21-00046407)

The contractor shall provide supervision, manpower, and materials turnkey to replace existing Trane air cool chiller with new 100 tons air cool chiller. Contractor shall provide including but not limit to the following: Disconnect power and tagout logout electrical to existing Trane air cool chiller. Drain water from existing Trane air cool chiller and disconnect existing chilled water piping from existing Trane air cool chiller. Lift existing Trane air cool chiller up to trailer and remove from site. Set new 100 tons air cool chiller packet with circulation pump on the existing chiller pad. Contractor shall replace existing butterfly valves at existing chilled water supply and return piping. Necessary retrofit existing chilled water piping to accommodate new air cool chiller chilled water piping connection and connect existing chilled water piping to new air cool chiller chilled water piping connection. Retrofit Chilled water piping at the existing chilled water pump with bypass butterfly valve around the existing chilled water pump. Valve and piping configuration to isolate the existing chilled water pump for future use. On-board pump package in new air cool chiller will be used to pump chilled water through existing chilled water piping loop. Insulate new chilled water piping with fiberglass insulation and aluminum jacket. Install junction box for new air cool chiller at the existing chiller pad and connect power to new air cool chiller. Install heat trace cable on new piping section to prevent freezing. The existing air cool chiller controls by Johnson controls Building HVAC control in the facility, connect Johnson Controls to new air cool chiller. After the installation of new air cool chiller completed, factory start up shall perform and put new air cool chiller in operation. 13. The new replacement 100 tons air cool chiller is based on Trane air cool chiller Model CGAM. The other air cool chiller manufacture can be used if their air cool chiller meets specification section 23 64 00 and Trane air cool chiller Model CGAM specifications or exceeds. 14. The existing air cool chiller concrete pad can be reused, if the dimension of existing concrete pad is sufficiency to support new air cool chiller. There is some repair may require. 15. Should the new air cool chiller dimension is bigger than existing concrete pad, the contractor shall enlarge the existing concrete pad for supporting new air cool chiller. 16. Contractor may provide temporary air cool chiller and electric generator during the replacement of the air cool chiller. The temporary air cool chiller should provide chilled water 120 gpm at 45 deg-F. The temporary air cool chiller and electric generator shall be bid as an option.

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.