Sub Structure
It is a lower part of the building constructed below the ground level.
Excavation
The process of moving earth, rock or other materials with tools, equipment or explosives.
Footing
Footing is a part of the foundation which is in contact with the ground.
Pedestal Column
Columns that are short-heightened and below the ground level.
Situ
Situ is a process carried out at the building site using raw materials.
Plinth Beam
Plinth beam is a beam constructed in the plinth level between the wall and the foundation.
Underground Tank
An underground tank is a water storage structure constructed below the ground.
Backfilling
The process of putting the soil back into a trench or foundation once excavation, and the related work has been completed.