Ust-Khantaiskaya Hydro Power Plant on the Khantaika river

Hydraulic engineering works

Underground structures of various application, Chief Project Engineer - V.  Parkhomenko (M. Stepanov).

Projection of the tunnel structures, underground operations organization and technology:

 - Excavation and concreting of hydrotechnical tunnels in permafrost soils.
 - Spray concrete coatings  (method of "cold spray").
 - Excavation of vertical pressure conduits and tire mines.
 - Combined operations in the underground Machine Hall during one-by-one construction.
 - Seismic-safe weight of the charges during balasting operations  near the gates installed and backed by level of Upper water and down-stream water.
 - Technical maintenance of underground operations.