Featured project in the September/October 2010 issue of Engineering Inc. At 1.2 million square feet, there is nothing small about the Indianapolis International Airport’s Midfield Terminal. The massive construction project was so complex that planning for the original design began more than 30 years ago. It wasn’t until 1999 that Wessler Engineering was given the green light to move forward on an ambitious effort to cost-effectively manage water-quality treatment and aircraft deicing for the facility.