Conduction of geotechnical surveyis an integral part of the development of the design documentation, and is regulated by SP 11-105-97 “Geotechnical surveys for construction” and SNiP(construction norms and specifications) 11-02-96 “Engineering surveys for construction. Main provisions”.

Geotechnical surveys are carried out with the purpose of:

• the study of geological structure with the allocation of geotechnical elements during the design, operation, reconstruction of buildings and constructions;
• the determination of physical, physical and mechanical as well as corrosive properties of soil, chemical composition and aggressive properties of the ground water;
• thestudy of hazardous geological and geotechnical processes with the development of recommendations on engineering protection of territories.

Wewillconductgeotechnical surveys in 4 stages: 

1.Preparatory stage includes:

• the collection of information;
• reconnaissance area of work;
• analysis of surveys results of the previous years. 

2.Stage of field works includes:

• well-drilling;
• drifting of exploratory shafts;
• description of geological diggings;
• sampling of soil;
• sampling of ground water. 

3. Stage of laboratory research includes:

• determination of physical propertiesof soils;
• determination of physical and mechanical properties of soils;
• determination of chemical composition of ground water;
• determinationof corrosive properties of soil and groundwater in relation to concrete, metal, cable sheathing. 

4. Stage of office analysis of results includes:

• analysis of laboratory research;
• plotting of engineering stratigraphic columns;
• plotting of engineering stratigraphic sections.

In the result of geotechnical surveys you will receive a Technical reportthat will be included in the project documentation.

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