2010 Reconstruction of fish-protecting structures of Sevan HPP

1. A reinforcing and concreting of piers and retaining walls

2. A reinforcing and concreting of pedestrian bridges

3. A reinforcing and concreting of sidewall matching

4. A reinforcing and concreting of the basin of pumping station;

5. A reconstruction of the transformer substation and of compressor house

6. Building up of the posts of hoist

7. Insertions in the grooves, linking the insertions

8. Removal of the soil- vegetable layer

9. Filling of large size debris

10. Pebble graveling of a two layered roadbed

11. Sand layer of a two layered roadbed

12. The concrete of retaining walls

13. Gabion masonry