The elevation took 9 hours. Once elevated, the 5,600 Cubicmeter Package stood 280 feet (85 meters) tall, with a diameter of 32.8 feet (10 meters). Chief engineer Dimiter Zagoroff designed a three-and-a-half ton, 36-foot (11-meter) diameter steel cradle-like base to support the air package 36 feet (11 meters) above the ground. The steel cradle was hinged on a central steel column anchored in a one-ton concrete foundation