Key activities

Drilling operations

− bored and cast-in-place piles construction using CFA, DDS technologies and vibration driving method by pile shoe loss;

technologies and vibration driving method by pile shoe loss; − land cofferdam;

− base reinforcement by the soil mixing method;

− freezing, hydrogeological structure wells and household drinking water supply wells drilling

− construction dewatering;

− hydraulic seam fracture;

− maintain formation pressure;

− static testing of soils with bored and cas-in place piles;

− piles quality control (PET echo-method);

− well-drilling with core sampling using Wireline technology.