Simple levelling When it is required to find the difference between two points which are visible from a single position of level. Then the method used is simple levelling. Suppose A and B are two points … [Read more...] about Simple and Differential levelling

# Surveying and Levelling

## Definition of Change Point and Station

Change Point It may be defined as: A Change Point ( C.P) is a point which shows the shifting of the level. It is a point on which fore and back sights are taken. Any stable and well defined object such as boundary stone, … [Read more...] about Definition of Change Point and Station

## Principles of Surveying

Principles of Surveying Followings are the principles of surveying which should be kept in mind while determining the relative positions of points on the surface of earth: To work from whole to part … [Read more...] about Principles of Surveying

## Terms related to Contouring | Objects of Contouring | Uses of Contour maps | Characteristics of Contours | Methods of Contouring

Contouring: 1. Contour line The intersection of ground surface and level surface is called … [Read more...] about Terms related to Contouring | Objects of Contouring | Uses of Contour maps | Characteristics of Contours | Methods of Contouring

## Hydrologic Cycle | Various Aspects of Hydrologic Cycle | Engineering applications

Hydrologic Cycle: The various aspects of water related to earth and their interaction can be explained in terms of a cycle … [Read more...] about Hydrologic Cycle | Various Aspects of Hydrologic Cycle | Engineering applications