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The story about the Volga Hydroelectric Power Station will start with the ship lock.
Volzhskaya HPP is srednenapornoy hydroelectric channel type. The structure of the main waterworks are: powerhouse, concrete spillway and earth dams, shipping facilities.
Shipping constructions (locks, boat lifts, etc.) - Are designed for lifting or lowering ships from one water level to another.
As part of the waterworks two lock chambers, at numbers 30 and 31.




2. The cargo ship enters the approach channel.



3. Ship with tourists in one of the chambers of a lock.



4. The cargo ship "Sormovo 3064" enters the airlock.



5. On a command from the control it is pressed against one of the sides of the sluice chamber.



6. The valves are closed chamber under the supervision of an employee.



7. Employee Gateway looks to during the closing between the valves no foreign objects.



8. Folds airlock closed. The lock chamber starts to enter the water.



9. After a few minutes airlock filled with water.



10. The excess water flows into the spillway.



11. The cargo ship mooring team.



12. The view from the control tower to the upper chambers of a lock.



13. The lower chamber gateways.



14. Passenger ship "K.Minin" exits from the top of the lock chamber.



15. View of the drainage channel of the lower lock chambers.



16. The building mezhshlyuzovoy HPP, which is structurally part of waterworks, but is not legally relevant to the Volga hydroelectric station, has two Kaplan hydroelectric PL30-B-330.



17. Gateway Gateway, a total weight of 390 tons.
For half a century here was carried almost 423,000 sluicing through the main gate of the sash passed 950,000 vessels. The total volume of freight traffic has exceeded 802 million tons.



Source: dervishv.livejournal.com