Over 8000 metric Tonnes of structural steel has gone into the erection of Delhi's newly inaugurated Terminal 3 roof structure. The terminal encompasses over 22 acres of land and is the world's second largest in terms of size, and the sixth largest in terms of passenger capacity. Terminal 3 is designed to provide world class amenities and a luxurious travel experience. Delivered in 12 months, the roof structure of Terminal 3 was a complex design that required a massive amount of innovative engineering techniques.