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Restoration of water-tightness of the upstream face at Kalin dam, Blagoevgrad dam district
Sequence of repair works:
- Cleaning the reservoir from sediments in order to reach the main joint of the dam with total capacity of 1500 m3;
- Cleaning and hydro blasting of the dam surface;
- Treatment of the existing temperature joints with two-component polyurethane resin;
- Construction of drainage system;
- Installation of waterproof PVC-coating with a total area of 5200 m2.
