Kolymskaya Hydro Power Plant on the Kolyma river

Hydraulic engineering works

Underground structures of various application, Chief Project Engineer - V.  Parkhomenko (B. Flikman).

Projection of the tunnel structures, underground operations  organization and technology:
- Excavation and concreting of hydrotechnical tunnels in permafrost soils.
 - Produsing coatings using spray concrete ("cold spray" method).
 - Dry dust collection when drilling boreholes and wells.
 - Pipeless, jet ventilation of the excavations  with heating ventilation air.
 - Technology and organization of the combined work in the construction of large-cell hydro turbine hall.
 - Seismic - safe  weight of the charges during the blasting operations near operating  generating units.
 - Technical maintenance of underground construction.