OrlÃk Dam
The Orlik Dam ( also: Worlik Dam; Czech Orlická prehrada ) is located 80 km south of Prague on the Vltava River. The dam is the largest in the Czech Republic, an important link in the Vltava cascade was built for power generation, flood protection and water regulation of Moldova. In addition, it serves the water, the boat traffic and leisure recreation.
The reservoir is 68 km long and also extends 22 km in the valley of the Otava and into the Lomnice and Skalice into it. The jam ends at Tyn nad Vltavou, where the hydropower plant Kořensko which dammed the Lainsitz located. Below the dam at Solenice the Vltava cascade continues in the hydropower plant Kamýk.
The concrete gravity dam was built from 1956 to 1963. On the right side of the middle dam, the spillway is 15 m wide with three openings and 8 m high steel shooters. The two bottom outlets have a diameter of 4 m. The total discharge capacity of these openings is 3 × 728 2 × 185 m³ / s, together 2554 m³ / s
The hydroelectric power plant has four Kaplan turbines with a capacity of 150 m³ / s and 4 × 91 = 364 MW of electric power. The average effluent water quantity is 83 m³ / s
On the right slope there are two transport facilities for ships. Sports Boats up to 3.5 tonnes are transported up and down with a small inclined elevator; the larger elevator for ships up to 300 tons is not in operation.