Perform executive operations
Excavation: 110,000 cubic meters
Backfilling: 100,000 cubic meters
Tunnel Drilling: 1,530 meters
Tunnel Framing: 2,500,000 kilograms
Shotcrete: 400,000 square meters
Formwork: 60,000 square meters
Concrete Pouring: 25,000 cubic meters
Reinforcement: 1,600 tons