Account method of laser-scanning survey of hydraulic engineering tunnels of 2,7 km is stated in the general extent. The visual way of inspection of the tunnels, carried out in parallel with their leveling is resulted. The way of a deformation estimation of a condition of tunnels by the geometrical analysis of 3D-models received according to laser-scanning survey is considered.
Features of a technique of lazer – scanning survey of waste bank and processing of its re- sults are stated. The estimation of accuracy of survey is executed and the constructed three- dimensional model on which define geometrical parameters for an estimation of stability of highwall slope.