Environmental Services Facility HVAC Boiler Replacements

Replace three (3) HVAC boilers at Environmental Services Facility. Current units are at end-of-life. Minimum specs are: natural gas-fed at 150CFH; input 1,500,000 BTU/HR; output 1,400,000 BTU/HR; forced-draft burner on 120V/single-phase power; support communication protocols for LON, BACnet, and IoT. In addition to materials provision, awarded vendor shall perform the following tasks: verify all pipe, conduit, and wiring spec in field prior to proposal; remove and dispose of existing units; disconnect and reconnect hot water lines; disconnect and reconnect all electrical wiring; disconnect and reconnect controls; assess and add/modify any unit drainage systems; run new stainless double wall flue pipes to exterior and terminate at roof; perform combustion analysis to assure proper operation; insulate all piping; perform startup and operation check after install; and any other tasks necessary to ensure optimal operation upon completion.

CEP Chiller 5 Expansion

The scope of this project is to connect one 2000-ton chiller (owner furnished and set on equipment pad) and corresponding mechanical equipment to the CEP. The addition of the chiller will also include the installation of one 2000-ton rooftop cooling tower, one chilled water pump, removal of existing filtration systems, new side filtration skids, and one condenser water pump. Existing structure and piping will be extended as needed to accommodate the installation of the listed equipment.

CATS Bus AC and Heating Parts

CATS Bus Operations Division is in need of supplier to provide Bus Air Conditioning & Heating Parts.  A sample list of needed parts include: compressors, heating coils, condenser units, a/c motors, temperature sensors, expansion & discharge valves, etc.

 

877

CATS Bus Radiator and Fuel Tank Repair Services

Charlotte Area Transit Services (CATS) is seeking Service Providers to perform Bus Radiator and Fuel Tank Repair Services. This project involves outsourcing of servicing and repairs of radiators, Charge Air Coolers, various Oil Coolers, Coolant Surge Tanks, and Fuel Tanks for CATS buses.  The vendor will pick-up and return units to CATS facilities.  Service of the units will take place at the vendors facility.

 

870

Lee S. Dukes WTP HVAC Replacement

Charlotte Water will be replacing the Heating, Ventilation, and Air Conditioning (HVAC) unit for the administration building at Lee S. Dukes Water Treatment Plant (WTP).  This project will be an in-kind replacement.