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What does construction of a building start with? 1 _______. Excavation is a process necessary for the construction of every modern building.
2 _______. It is also known that the structure of the soil is of great importance for excavation. The foundation of a building should never be placed on organic soils because soils of this kind are easily decomposed. 3 _______. So, if the upper stratum of soil is organic, it must be removed from the construction area in order to guard the foundation of the building against water and wind erosion. 4 _______.
Construction of any building usually starts with excavation.
It is a well-known fact that there exist different kinds of soil.
They are decomposed because water and wind change their structure.
Further excavation may take place only after the upper organic stratum has been removed.