Clearing of vegetation and trees is usually necessary before undertaking any construction operation. It is very difficult to handle equipment and materials in the presence of trees, bushes, grass and weeds. Presence of these materials along with earth materials may lead to settlement at a later stage. Crawler dozers, equipped with special cleaning blades, are the best equipment needed for site clearance.
Type of vegetation, condition of soil and topography, quantity of clearance needed, and the purpose for which cleaning is done are the factors to be considered in planning the sequence of operation.
The factors are:
- Removing trees and stumps and roots
- Removing surface vegetation
- Disposing of the vegetation by stacking and ultimately burning.
- Knocking out all vegetation stumps and roots, chopping or crushing them and later burning.
- Killing or retarding the growth of bush by cutting the roots below the surface of the ground.
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