Excavation up to 14 meters depth. RCC foundations up to 14 meters depth with up to 2000 cum reinforced concrete per foundation. Pre-cast column frame structure with industrial roofing 14,000 m2. Heavy machine foundations, underground drainage and communication tunnels networks. Steel structure work, including fabrication and erection of about 7,500 tons steel sections, and erection of 14 overhead gantry cranes up to 130 tons each. Steel super-structure for roofing and crane, covering an area of 14,000 m2. The cost includes owner-supplied material.