Mechanical and Electrical Systems Upgrade at Chicago TRACON

Performance includes, but is not limited to, the following: Demolition as required to perform system upgrades. Replacement of four (4) reinforced fiberglass, field erected cooling towers and associated piping systems and accessories, each with a capacity of 900 gallons per minute (GPM). Replacement of four (4) main facility chillers and associated pumps and accessories, each with a capacity of 300 tons of cooling. Replacement of multiple HVAC equipment including air handling units, fan powered induction boxes, variable air volume boxes, constant volume boxes, unit heaters, exhaust fans, return fans, leak detection, circulation pumps, piping system valves, fittings and insulation. Refurbishment and replacement of all components of five (5) air handling units serving the Operations Area. Replacement and upgrade of the building automation system. Replacement of building steam humidification system. Replacement of building electrical components including transfer switches, motor starters, variable frequency drives, light fixtures, emergency lighting, wiring devices; C90 TRACON is a NAS facility, operating 24 hours per day and providing services critical to safety; therefore, work performed on or near this facility (and by extension, equipment) must be planned and conducted in a manner that minimizes or eliminates deterioration in the quality or quantity of services provided to the NAS. This may require, among other adaptations, working during non-standard business hours or using non-standard techniques to eliminate noise, obstructions to visibility from ATCTs, and shut down of equipment essential to operations. The continued operation of all equipment in the NAS and the safety of life and property are paramount considerations in all work conducted under this contract.

Division 03 -	Concrete, Cast-in-Place Concrete, Precast Concrete.
Division 04 -	Masonry, Unit Masonry.
Division 05 -	Metals, Structural Metal Framing.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry, Architectural Woodwork.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Insulation, Weather Barriers.
Division 08 -	Openings, Metal Doors and Frames, Wood Doors, Plastic Doors, Specialty Doors and Frames, Entrances and Storefronts, Curtain Wall and Glazed Assemblies, Windows, Hardware.
Division 09 -	Finishes, Plaster and Gypsum Board, Tiling, Acoustical Ceilings, Flooring, Resilient Flooring, Carpeting, Acoustic Treatment, Painting.
Division 10 -	Specialties, Visual Display Units, Signage, Compartments and Cubicles, Toilet Compartments, Partitions, Fire Protection Specialties, Fire Protection Cabinets, Fire Extinguishers, Storage Assemblies, Flagpoles.
Division 12 -	Furnishings, Window Treatments, Casework, Office Furniture, Multiple Seating.
Division 21 -	Fire Suppression, Fire-Suppression Sprinkler Systems.
Division 22 -	Plumbing, Facility Water Distribution, Facility Sanitary Sewerage, Facility Storm Drainage, Plumbing Equipment, Plumbing Fixtures.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Piping and Pumps, HVAC Air Distribution.
Division 26 -	Electrical, Instrumentation and Control for Electrical Systems, Interior Lighting, Emergency Lighting, Exit Signs, Exterior Lighting.
Division 27 -	Communications, Structured Cabling, Data Communications, Voice Communications.
Division 28 -	Electronic Safety and Security, Electronic Access Control and Intrusion Detection, Fire Detection and Alarm.
Division 31 -	Earthwork, Site Clearing, Grading, Soil Treatment.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Curbs, Gutters, Sidewalks, and Driveways, Planting Irrigation, Turf and Grasses.
Division 33 -	Utilities, Water Utilities, Sanitary Sewerage Utilities, Storm Drainage Utilities.