Two steel pipelines, 1.800 mm diameter, 7 km length Two GRP pipelines, 1.800 mm diameter Tunnel outlet: 200 meters long, 5 meters wide Water tunnel: finished diameter 7.3 meters, approx. 5.220 meters long Concrete transfer channel: 15 m³/s capacity, 6.587 meters long These specifications reflect the engineering complexity and demand for precision and safety in execution.