“ In the 1960s, Utah Construction engaged in additional army construction, because the lead contractor for the US Minuteman Missile hardened silos all through the United States, as well as Construction of the Cheyenne Mountain Complex in Colorado Springs. During October 2017, the Australian construction contractor Seymour Whyte was purchased by Vinci.| These latter actions can improve construction costs significantly. Intersecting runways -- Runways that cross each other are frequent at airports where the prevailing winds can change all year long. Passenger airways load civilian passengers, their luggage (and typically their pets), snacks and drinks. The gates are where the airplanes park for passenger boarding and deplaning. ”