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KC-46A Depot Maintenance Complex Support Infrastructure for Tinker Air Force Base


Oklahoma City, OK


$36 M

Delivery Method

  • Design-Bid-Build

Client Type


Project Type

  • Heavy Civil
  • Site Work
Home of the KC-46A Pegasus 
158 acre campus
143,000+ man-hours without a safety incident

Under contract with the U.S. Army Corps of Engineers, Garney Federal and our joint venture partner, Contrack Watts, completed civil site and utility work at Tinker Air Force Base. This future depot maintenance facility will be home to the U.S. Air Force’s next generation aerial refueling aircraft, the KC-46A Pegasus. The project marks the first of several military construction projects to deliver KC-46 capabilities to Tinker AFB. At completion, the 158-acre campus will provide eight hangars, ramp infrastructure, software innovation labs, and engine test facilities. Demolition activities include clearing and grubbing the entire complex site, utility demolition, and removal and crushing of existing railroad ballast from the campus. New construction includes earthwork, wet and dry utilities, lime treatment of soils, and a perimeter road with a bridge and mechanically stabilized earth (MSE) walls. The project also includes granular base rock and asphalt drainage layer for an aircraft parking concrete apron and taxiway with a 25-foot wide asphalt shoulder and 168-vehicle parking lot.

“This project is extremely complex with very high standards, such as the airfield paving requirements. In addition, two other significant projects overlap the large site requiring a lot of coordination. The Contrack Watts / Garney JV has been able to get the program off on the right foot. Their field and senior leadership embrace the partnering approach and have been easy to work with throughout the project.”
—Daniel de Robles, P.E., Area Engineer for U.S. Army Corps of Engineers, Central Oklahoma Area Office