Methods of Contouring
Contouring needs the determination of elevation of various points on the ground…
Advantages & Disadvantages of Plane Table Survey
1. Meaning of Plane Table Surveying: Plane table Surveying also called plane…
Surveying and Leveling
Contour Interval The vertical distance between any two consecutive contours is known…
Correction for curvature & Refraction
For long sights and accurate levelling work, the effects of curvature of…
DIFFERENT TYPES OF LEVELS
(1). The Dumpy Level: The telescope of the dumpy level is rigidly fixed…
Leveling & Contouring: Definitions
Definition: A line joining points of equal elevations is called a contour…
Other uses of theodolite in surveying
To measure something from closely we might need a theodolite. This instrument…
Adjustment of a Closed Traverse
Adjustment of a closed traverse includes: 1. Adjustment of Angular Error. 2.…
Traverse
Surveyors typically measure positions in series. Starting at control points, they measure…
LATITUDES AND DEPARTURES
The latitude of a line is its projection on the north-south meridian and…


