Our Latest Mechanical Construction Projects


Multi-Modal CONRAC Facility Multi-Modal CONRAC Facility, O’Hare Airport
Mechanical Inc.

Autumn served as a mechanical contractor during the construction of the Multi-Modal Facility - Consolidated Rental Car (CONRAC) Facility at O’Hare International Airport. Our work scope included purchase and setting boilers, air handling units, cooling towers, and pumps. Autumn also installed over 45 miles (250,000 ft) of underfloor radiant tubing throughout the structure to prevent ice forming, to keep driveways clear, and to melt any snow plowed from the roof. This new 3 million sq. ft. facility was part of the O’Hare Modernization Program. Autumn was subcontracted and supported by the prime mechanical contractor, Helm Mechanical, Inc.


Illinois Tollway M-2 Maintenance Facility Illinois Tollway M-2 Maintenance Facility
Madison Construction, Inc.

Autumn served as the mechanical contractor responsible for the Illinois State Toll Highway Authority (ISTHA) M-2 Maintenance Facility renovation and building expansion. Autumn executed and managed the installation and retrofitting of HVAC equipment, piping, building controls, and a compressed air system for vehicle maintenance. To supply in-floor heating during the winter, Autumn equipped the new 13,000 sq ft maintenance bay addition with over a half-mile of radiant tubing and dedicated boilers. The project was contracted through Madison Construction, Inc.


American Airlines Hangar Relocation American Airlines Hangar 2 Relocation Project
W.E. O’Neil

Autumn served as the primary mechanical contractor for the American Airlines Hangar 2 relocation and replacement project at O’Hare International Airport. Autumn was responsible for the installation of the facility HVAC, mechanical piping, and building controls. The project involved installing eight massive 85,000 CFM make-up air units for direct-fired heating and ventilation of the hangar, various piping systems for compressed air, aircraft air start, and natural gas.


M6 Maintenance Facility M6 Maintenance Facility- Marengo, IL
Illinois State Tollway Authority
Stenstrom Construction Company

Autumn is the prime mechanical contractor for the new $23 million M6 Maintenance Facility Project for the Illinois State Tollway and Stenstrom Construction Company. This project includes construction of a 67,000 s.f. maintenance facility and a 5,200 s.f. truck wash facility. Our work includes all mechanical piping and equipment, HVAC sheet metal, infrared heating and vehicle exhaust systems.


American Airlines Hanger 2 American Airlines Hanger 2
W.E. O’Neil Construction

Autumn was awarded the prime mechanical contract for the American Airlines Hangar 2 new construction project at O’Hare International Airport. This 160,000 s.f. hangar is being built to house six B-737 aircraft or two wide bodied B-777 aircraft. There is also an additional 15,600 s.f. for storage rooms, offices and production control areas. Autumn is providing mechanical equipment, piping, ventilation and temperature controls for this project which is scheduled to be completed by December 2018.


Ebinger Elementary School
Friedler Construction Company
Public Building Commission of Chicago/ Chicago Public Schools

Ebinger Elementary School Annex project consists of interior renovation, site improvements and the construction of a two story addition for classrooms and computer rooms. Autumn will utilize lessons learned from previously completed Chicago Public Schools Annex projects to complete mechanical piping and equipment work.


Robert J. Depke Juvenile Justice Center Robert J. Depke Juvenile Justice Center
Wight and Company/ Blackhawk HVAC

Autumn completed the mechanical piping contract for the Robert J. Depke Juvenile Justice Center expansion project located in Vernon Hills, IL in June of 2017. This $12.8 million, 2-story, 35,500 s.f. expansion of the justice center included new courtrooms, hearing rooms, workspaces for the State’s Attorney’s office, 19th District Circuit Court Clerk, public defender’s office and probation departments. Wight and Company was the General Contractor.


Minnie Mars Jamieson Elementary School Annex Elementary School Projects
Edwards Elementary School Annex / Berglund Construction Company
Minnie Mars Jamieson Elementary School Annex / Old Veterans Construction Company

Autumn was the mechanical piping subcontractor for construction of the 2-story, 50,000 square foot classroom addition at Edwards Elementary School, and the 3-story, 38,000 square foot classroom addition at Minnie Mars Jamieson Elementary School. Both Annex projects included classrooms, music room, computer lab and kitchen/dining facilities. These projects were completed in 2017.



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