2014 Reconstruction of Arzni HPP Derivation Aqueducts

The Client:

“Hrazdan”, “Argel” and “Arzni” HPPs are part of Sevan-Hrazdan cascade of HPPs of the energy system of the Republic of Armenia. The projects aim was restoration of damaged sections of the aqueducts of derivation channels of HPPs. The design was implemented by “Armhydroproject Institute” CJSC

 At restorated sections the 15 cm thick reinforced concrete was layed, as well as construction and insulation joints were restored.

All activities were carried out mainly in the winter time after the irrigation period. Concrete  works  at winter conditions were carried out using appropriate technological standards and requirements.

The following scope of works was performed
1. Installation and renovation of curbs
1215,6 m
2. Cleaning the canals of sediments and vegetation
404,4 m3
3. Removal of deteriorated concrete
643,6 m3
4. Cleaning the bottom and sides of the canal through sandblasting
10112,2 m2
5. Concreting the canal with В20 W6 F150 concrete
1774,1 m3
6. Reinforcement
52,1 t
7. Construction joints
2053,8 m
8. Transportation of rubbish
2698,3 t
9. Shotcreting
341,9 m2